build: Build mlibc + add distclean target

Signed-off-by: Ian Moffett <ian@osmora.org>

165 files changed, 0 insertions, 6763 deletions

diff --git a/lib/mlibc/tests/ansi/abs.c b/lib/mlibc/tests/ansi/abs.c
deleted file mode 100644
index 492040c..0000000
--- a/lib/mlibc/tests/ansi/abs.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <limits.h>
-
-int main(){
-    assert(abs(-10) == 10);
-    assert(abs(2021) == 2021);
-
-    assert(labs(-256) == 256);
-    assert(labs(10034890) == 10034890);
-
-    assert(llabs(-0x2deadbeef) == 0x2deadbeef);
-    assert(llabs(49238706947) == 49238706947);
-
-    return 0;
-}
\ No newline at end of file
diff --git a/lib/mlibc/tests/ansi/alloc.c b/lib/mlibc/tests/ansi/alloc.c
deleted file mode 100644
index c6ce870..0000000
--- a/lib/mlibc/tests/ansi/alloc.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <stdint.h>
-#include <errno.h>
-
-int main() {
-	void *p;
-
-	p = aligned_alloc(sizeof(void *), sizeof(void *));
-	assert(p != NULL && (uintptr_t)p % sizeof(void *) == 0);
-	free(p);
-
-	p = aligned_alloc(256, 256);
-	assert(p != NULL && (uintptr_t)p % 256 == 0);
-	free(p);
-
-	// small alignments are okay
-	p = aligned_alloc(1, 8);
-	assert(p != NULL);
-	free(p);
-	p = aligned_alloc(1, 1);
-	assert(p != NULL);
-	free(p);
-
-	// It seems that glibc doesn't report error in these cases.
-#if !(defined(USE_HOST_LIBC) && defined(__GLIBC__))
-	// size % align must be 0
-	p = aligned_alloc(256, 1);
-	assert(errno == EINVAL);
-	assert(p == NULL);
-
-	// align must be a 'valid alignment supported by the implementation'
-	p = aligned_alloc(3, 1);
-	assert(errno == EINVAL);
-	assert(p == NULL);
-#endif
-}
diff --git a/lib/mlibc/tests/ansi/calloc.c b/lib/mlibc/tests/ansi/calloc.c
deleted file mode 100644
index 6cfc87d..0000000
--- a/lib/mlibc/tests/ansi/calloc.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-int main() {
-	errno = 0;
-	void *ptr = calloc((SIZE_MAX / 2) + 2, 2);
-	assert(!ptr);
-	assert(errno);
-
-	errno = 0;
-	ptr = calloc(sizeof(size_t), 10);
-	assert(ptr);
-	for(size_t i = 0; i < 10; i++) {
-		size_t *p = ptr;
-		assert(!p[i]);
-	}
-}
diff --git a/lib/mlibc/tests/ansi/creal-cimag.c b/lib/mlibc/tests/ansi/creal-cimag.c
deleted file mode 100644
index fc70aa3..0000000
--- a/lib/mlibc/tests/ansi/creal-cimag.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <assert.h>

-#include <math.h>

-#include <complex.h>

-

-// FIXME: We should create a proper floating point facility

-//        in order for other functions to be tested properly

-

-#define APPROXIMATELY_EQUAL(calculated, expected) fabs((calculated) - (expected)) <= 0.0000005

-#define APPROXIMATELY_EQUALF(calculated, expected) fabsf((calculated) - (expected)) <= 0.0000005f

-#define APPROXIMATELY_EQUALL(calculated, expected) fabsl((calculated) - (expected)) <= 0.0000005L

-

-#define IS_COMPLEX_NUMBER(Z)    \

-    _Generic((Z),               \

-        double complex: 1,      \

-        float complex: 1,       \

-        long double complex: 1, \

-        default: 0              \

-    )

-

-int main() {

-    assert(IS_COMPLEX_NUMBER(CMPLX(5.2, 4.3)));

-    double complex cz = CMPLX(5.2, 4.3);

-    assert(APPROXIMATELY_EQUAL(creal(cz), 5.2));

-    assert(APPROXIMATELY_EQUAL(cimag(cz), 4.3));

-

-    assert(IS_COMPLEX_NUMBER(CMPLXF(1.2f, 2.5f)));

-    float complex czf = CMPLXF(1.2f, 2.5f);

-    assert(APPROXIMATELY_EQUALF(crealf(czf), 1.2f));

-    assert(APPROXIMATELY_EQUALF(cimagf(czf), 2.5f));

-

-    assert(IS_COMPLEX_NUMBER(CMPLXL(0.1L, 123.54L)));

-    long double complex czl = CMPLXL(0.1L, 123.54L);

-    assert(APPROXIMATELY_EQUALL(creall(czl), 0.1L));

-    assert(APPROXIMATELY_EQUALL(cimagl(czl), 123.54L));

-

-    return 0;

-}
\ No newline at end of file
diff --git a/lib/mlibc/tests/ansi/fenv.c b/lib/mlibc/tests/ansi/fenv.c
deleted file mode 100644
index 629a5cb..0000000
--- a/lib/mlibc/tests/ansi/fenv.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <assert.h>
-#include <stdbool.h>
-#include <fenv.h>
-#include <float.h>
-#include <math.h>
-
-#define NO_OPTIMIZE(x) asm volatile("" :: "r,m" (x) : "memory")
-
-static void div_by_zero() {
-	volatile float zero = 0.0f;
-	NO_OPTIMIZE(69.0f / zero);
-}
-
-static bool float_cmp(float a, float b) {
-	return a == b || fabs(a - b) < (fabs(a) + fabs(b)) * FLT_EPSILON;
-}
-
-static void test_rounding(float expectation1, float expectation2) {
-	float x;
-	volatile float f = 1.968750f;
-	volatile float m = 0x1.0p23f;
-
-	NO_OPTIMIZE(x = f + m);
-	assert(float_cmp(expectation1, x));
-	NO_OPTIMIZE(x = x - m);
-	assert(x == expectation2);
-}
-
-void test0() {
-	// test whether the divide-by-zero exception is raised
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-
-	div_by_zero();
-	int raised = fetestexcept(FE_DIVBYZERO);
-	assert((raised & FE_DIVBYZERO));
-}
-
-void test1() {
-	// test various rounding modes
-	feclearexcept(FE_DIVBYZERO);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-
-	fesetround(FE_UPWARD);
-	assert(fegetround() == FE_UPWARD);
-	test_rounding(8388610.0f, 2.0f);
-
-	fesetround(FE_DOWNWARD);
-	assert(fegetround() == FE_DOWNWARD);
-	test_rounding(8388609.0f, 1.0f);
-
-	fesetround(FE_TONEAREST);
-	assert(fegetround() == FE_TONEAREST);
-	test_rounding(8388610.0f, 2.0f);
-
-	fesetround(FE_TOWARDZERO);
-	assert(fegetround() == FE_TOWARDZERO);
-	test_rounding(8388609.0f, 1.0f);
-}
-
-void test2() {
-	// test feraiseexcept
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-	assert(feraiseexcept(FE_DIVBYZERO | FE_OVERFLOW) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == (FE_DIVBYZERO | FE_OVERFLOW));
-}
-
-void test3() {
-	// test fe{get,set}env
-	feclearexcept(FE_ALL_EXCEPT);
-	assert(fetestexcept(FE_ALL_EXCEPT) == 0);
-	assert(feraiseexcept(FE_OVERFLOW) == 0);
-
-	fenv_t state;
-	assert(fegetenv(&state) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == FE_OVERFLOW);
-
-	div_by_zero();
-	assert(fetestexcept(FE_ALL_EXCEPT) == (FE_DIVBYZERO | FE_OVERFLOW));
-
-	assert(fesetenv(&state) == 0);
-	assert(fetestexcept(FE_ALL_EXCEPT) == FE_OVERFLOW);
-}
-
-int main() {
-	test0();
-	test1();
-	test2();
-	test3();
-}
diff --git a/lib/mlibc/tests/ansi/fopen.c b/lib/mlibc/tests/ansi/fopen.c
deleted file mode 100644
index f4818b2..0000000
--- a/lib/mlibc/tests/ansi/fopen.c
+++ /dev/null
@@ -1,59 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "fopen-host-libc.tmp"
-#else
-#define TEST_FILE "fopen.tmp"
-#endif
-
-int main() {
-	FILE *file;
-	char str[] = "mlibc fopen test";
-	char str2[] = " mlibc appending";
-	char completestr[] = "mlibc fopen test mlibc appending";
-	char buffer[100];
-	char buffer2[100];
-
-	// Clear all the buffers to zero.
-	memset(buffer, 0, sizeof(buffer));
-	memset(buffer2, 0, sizeof(buffer2));
-
-	// Open the file for writing.
-	file = fopen(TEST_FILE, "w");
-	assert(file);
-
-	// Write string minus null terminator, flush and close.
-	fwrite(str, 1, sizeof(str) - 1, file);
-	fflush(file);
-	fclose(file);
-
-	// Open the file for reading.
-	file = fopen(TEST_FILE, "r");
-	assert(file);
-
-	// Verify that we read back the written string and close the file.
-	assert(fread(buffer, 1, sizeof(str) - 1, file));
-	assert(!strcmp(buffer, str));
-	fclose(file);
-
-	// Open the file in appending mode, append string 2 (minus the null terminator) to the file, flush and close.
-	file = fopen(TEST_FILE, "a");
-	fwrite(str2, 1, sizeof(str2) - 1, file);
-	fflush(file);
-	fclose(file);
-
-	// Open the file for reading again, verify the contents, close the file and return.
-	file = fopen(TEST_FILE, "r");
-	assert(fread(buffer2, 1, sizeof(completestr) - 1, file));
-	assert(!strcmp(buffer2, completestr));
-	fclose(file);
-
-	// Check that stdout, stdin and stderr can be closed by the application (issue #12).
-	fclose(stdout);
-	fclose(stdin);
-	fclose(stderr);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/freopen.c b/lib/mlibc/tests/ansi/freopen.c
deleted file mode 100644
index c91577f..0000000
--- a/lib/mlibc/tests/ansi/freopen.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "freopen-host-libc.tmp"
-#else
-#define TEST_FILE "freopen.tmp"
-#endif
-
-int main() {
-	FILE *file = fopen(TEST_FILE, "w");
-	assert(file);
-
-	assert(freopen("/dev/null", "w", file));
-
-	char str[] = "mlibc freopen test";
-	fwrite(str, 1, sizeof(str) - 1, file);
-	fflush(file);
-	fclose(file);
-
-	file = fopen(TEST_FILE, "r");
-	assert(file);
-
-	char buf[sizeof(str)];
-	memset(buf, 0, sizeof(buf));
-	int ret = fread(buf, 1, sizeof(buf) - 1, file);
-	fprintf(stderr, "ret %d\n", ret);
-	assert(ret == 0);
-	fclose(file);
-
-	file = fopen("/dev/null", "w");
-	assert(file);
-
-	assert(freopen(TEST_FILE, "w", file));
-	fwrite(str, 1, sizeof(str) - 1, file);
-	fflush(file);
-	fclose(file);
-
-	memset(buf, 0, sizeof(buf));
-	file = fopen(TEST_FILE, "r");
-	assert(fread(buf, 1, sizeof(buf) - 1, file));
-
-	fprintf(stderr, "buffer content '%s'\n", buf);
-	assert(!strcmp(buf, "mlibc freopen test"));
-	fclose(file);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/locale.c b/lib/mlibc/tests/ansi/locale.c
deleted file mode 100644
index 056298b..0000000
--- a/lib/mlibc/tests/ansi/locale.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <stdio.h>
-#include <wchar.h>
-#include <locale.h>
-#include <assert.h>
-
-int main() {
-	wchar_t c = 0xC9;
-	unsigned char buf[sizeof(wchar_t)] = { 0 };
-	setlocale(LC_ALL, "");
-	if (sprintf(buf, "%lc", c) < 0)
-		return -1;
-
-	assert(buf[0] == 0xc3 && buf[1] == 0x89
-			&& buf[2] == '\0' && buf[3] == '\0');
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/longjmp.c b/lib/mlibc/tests/ansi/longjmp.c
deleted file mode 100644
index 9f9c1ed..0000000
--- a/lib/mlibc/tests/ansi/longjmp.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <stdio.h>
-#include <setjmp.h>
-#include <stdnoreturn.h>
-#include <assert.h>
-
-jmp_buf buf;
-
-noreturn void do_jump(int arg) {
-	longjmp(buf, 2 * arg);
-}
-
-int main(void) {
-	volatile int times_called = 0;
-
-	if (setjmp(buf) != 8) {
-		do_jump(++times_called);
-	}
-
-	assert(times_called == 4);
-
-	times_called = 0;
-	int ret = setjmp(buf);
-	assert(ret == times_called);
-
-	if (!ret) {
-		times_called = 1;
-		longjmp(buf, 0);
-	}
-}
diff --git a/lib/mlibc/tests/ansi/mbrtoc32.c b/lib/mlibc/tests/ansi/mbrtoc32.c
deleted file mode 100644
index 781bc71..0000000
--- a/lib/mlibc/tests/ansi/mbrtoc32.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <assert.h>
-#include <locale.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <uchar.h>
-
-struct {
-	size_t ret;
-	char32_t c32;
-	uint8_t bytes[4];
-} expected_results[] = {
-	{1, 0x7A, {0x7A, 0, 0, 0}},
-	{2, 0xDF, {0xC3, 0x9F, 0, 0}},
-	{3, 0x6C34, {0xE6, 0xB0, 0xB4, 0}},
-	{4, 0x1F34C, {0xF0, 0x9F, 0x8D, 0x8C}},
-};
-
-int main() {
-	setlocale(LC_ALL, "en_US.utf8");
-
-	size_t ret = 0;
-
-	char *str = "z\u00df\u6c34\U0001F34C";
-
-	fprintf(stderr, "string: '%s'\n", str);
-
-	mbstate_t state = {};
-	char32_t c32;
-	size_t loop = 0;
-	while((ret = mbrtoc32(&c32, str, strlen(str), &state))) {
-		assert(ret != (size_t)-3);
-		if(ret == (size_t)-1)
-			break;
-		if(ret == (size_t)-2)
-			break;
-
-		fprintf(stderr, "Next UTF-32 char: 0x%x obtained from %zu bytes [", c32, ret);
-		for(size_t n = 0; n < ret; ++n) {
-			fprintf(stderr, " 0x%02x ", (uint8_t) str[n]);
-		}
-		fprintf(stderr, "]\n");
-
-		assert(ret == expected_results[loop].ret);
-		assert(c32 == expected_results[loop].c32);
-		for(size_t n = 0; n < ret; ++n) {
-			assert((uint8_t) str[n] == expected_results[loop].bytes[n]);
-		}
-
-		str += ret;
-		loop++;
-	}
-}
diff --git a/lib/mlibc/tests/ansi/memmem.c b/lib/mlibc/tests/ansi/memmem.c
deleted file mode 100644
index 8de558f..0000000
--- a/lib/mlibc/tests/ansi/memmem.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <string.h>
-#include <assert.h>
-
-int main() {
-	char *haystack = "abc123\0x45";
-
-	char *needle1 = "abc";
-	void *rv = memmem(haystack, strlen(haystack), needle1, strlen(needle1));
-	assert(rv == haystack);
-
-	char *needle2 = "123";
-	rv = memmem(haystack, strlen(haystack), needle2, strlen(needle2));
-	assert(rv == haystack + 3);
-
-	char *needle3 = "1234";
-	rv = memmem(haystack, strlen(haystack), needle3, strlen(needle3));
-	assert(rv == NULL);
-
-	char *needle4 = "23\0x45";
-	rv = memmem(haystack, 10, needle4, 6);
-	assert(rv == haystack + 4);
-}
diff --git a/lib/mlibc/tests/ansi/qsort.c b/lib/mlibc/tests/ansi/qsort.c
deleted file mode 100644
index bb48a23..0000000
--- a/lib/mlibc/tests/ansi/qsort.c
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-static const char *arr[] = { "xyz", "abc", "ghi", "def" };
-
-static const size_t magic = 0xDEADBEEF;
-
-static int cmpstringp(const void *p1, const void *p2, void *ctx) {
-	/* The actual arguments to this function are "pointers to
-	 * pointers to char", but strcmp(3) arguments are "pointers
-	 * to char", hence the following cast plus dereference. */
-	assert(*(size_t *) ctx == magic);
-	return strcmp(*(const char **) p1, *(const char **) p2);
-}
-
-int main() {
-	qsort_r(&arr[0], sizeof(arr) / sizeof(*arr), sizeof(char *), cmpstringp, (void *) &magic);
-
-	assert(!strcmp(arr[0], "abc"));
-	assert(!strcmp(arr[1], "def"));
-	assert(!strcmp(arr[2], "ghi"));
-	assert(!strcmp(arr[3], "xyz"));
-
-	for(size_t i = 0; i < sizeof(arr) / sizeof(*arr); i++) {
-		fprintf(stderr, "%s\n", arr[i]);
-	}
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/snprintf.c b/lib/mlibc/tests/ansi/snprintf.c
deleted file mode 100644
index 82e4640..0000000
--- a/lib/mlibc/tests/ansi/snprintf.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	char buffer[10];
-	int ret = snprintf(buffer, 10, "%d", 123456789);
-	assert(strncmp("123456789", buffer, 10) == 0);
-	assert(ret == 9);
-
-	// We deliberately induce a warning here.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat-truncation"
-	ret = snprintf(buffer, 10, "%d", 1234567890);
-	assert(strncmp("123456789", buffer, 10) == 0);
-	assert(ret == 10);
-#pragma GCC diagnostic pop
-
-	// mlibc issue #118.
-	ret = snprintf(NULL, 0, "%d", 123456789);
-	assert(ret == 9);
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/sprintf.c b/lib/mlibc/tests/ansi/sprintf.c
deleted file mode 100644
index fd9398c..0000000
--- a/lib/mlibc/tests/ansi/sprintf.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-#include <math.h>
-#include <string.h>
-
-int main() {
-	char buf[11] = { 0 };
-	sprintf(buf, "%d", 12);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%f", 3.14);
-	assert(!strcmp(buf, "3.140000"));
-
-	// Test %c right padding.
-	sprintf(buf, "%-2c", 'a');
-	assert(!strcmp(buf, "a "));
-
-	// Test %c left padding.
-	sprintf(buf, "%2c", 'a');
-	assert(!strcmp(buf, " a"));
-
-	// Test %d right padding - mlibc issue #58.
-	sprintf(buf, "%-2d", 1);
-	assert(!strcmp(buf, "1 "));
-	sprintf(buf, "%-2.2d", 1);
-	assert(!strcmp(buf, "01"));
-	sprintf(buf, "%-3.2d", 1);
-	assert(!strcmp(buf, "01 "));
-	sprintf(buf, "%-3.2d", 12);
-	assert(!strcmp(buf, "12 "));
-	sprintf(buf, "%-3.2d", 123);
-	assert(!strcmp(buf, "123"));
-	sprintf(buf, "%-3.2u", 12);
-	assert(!strcmp(buf, "12 "));
-
-	// Test %d left padding.
-	sprintf(buf, "%2d", 1);
-	assert(!strcmp(buf, " 1"));
-	sprintf(buf, "%3.2d", 1);
-	assert(!strcmp(buf, " 01"));
-	sprintf(buf, "%3.2d", 12);
-	assert(!strcmp(buf, " 12"));
-	sprintf(buf, "%3.2d", 123);
-	assert(!strcmp(buf, "123"));
-	sprintf(buf, "%3.2u", 12);
-	assert(!strcmp(buf, " 12"));
-
-	// Test %f padding.
-	// TODO: Test printing of huge numbers (larger than 2^64)
-	sprintf(buf, "%2.f", 1.2);
-	assert(!strcmp(buf, " 1"));
-	sprintf(buf, "%2.f", 12.3);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%5.2f", 1.0);
-	assert(!strcmp(buf, " 1.00"));
-	sprintf(buf, "%.1f", -4.0);
-	assert(!strcmp(buf, "-4.0"));
-	sprintf(buf, "%-3.f", 8.0);
-	assert(!strcmp(buf, "8  "));
-	sprintf(buf, "%4f", INFINITY);
-	assert(!strcmp(buf, " inf") || !strcmp(buf, "infinity"));
-	sprintf(buf, "%4f", NAN);
-	assert(!strcmp(buf, " nan"));
-	sprintf(buf, "%4F", INFINITY);
-	assert(!strcmp(buf, " INF") || !strcmp(buf, "INFINITY"));
-	sprintf(buf, "%4F", NAN);
-	assert(!strcmp(buf, " NAN"));
-	sprintf(buf, "%05.2f", 1.0);
-	assert(!strcmp(buf, "01.00"));
-	sprintf(buf, "%09f", INFINITY); // 0 ignored when padding infs
-	assert(!strcmp(buf, "      inf") || !strcmp(buf, " infinity"));
-	// TODO: We don't yet round properly
-	// sprintf(buf, "%5.2f", 1.2);
-	// assert(!strcmp(buf, " 1.20"));
-	// sprintf(buf, "%5.2f", 1.23);
-	// assert(!strcmp(buf, " 1.23"));
-	// sprintf(buf, "%5.2f", 1.234);
-	// assert(!strcmp(buf, " 1.23"));
-	// sprintf(buf, "%5.2f", 12.345);
-	// assert(!strcmp(buf, "12.35"));
-	// sprintf(buf, "%-5.2f", 1.2);
-	// assert(!strcmp(buf, "1.20 "));
-
-	// Test '+' and ' ' flags - mlibc issue #229.
-	// Disable -Wformat here since we deliberately induce some warnings.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-	sprintf(buf, "%+d", 12);
-	assert(!strcmp(buf, "+12"));
-	sprintf(buf, "% d", 12);
-	assert(!strcmp(buf, " 12"));
-	sprintf(buf, "% +d", 12);
-	assert(!strcmp(buf, "+12"));
-	sprintf(buf, "%+ d", 12);
-	assert(!strcmp(buf, "+12"));
-	sprintf(buf, "%+d", -12);
-	assert(!strcmp(buf, "-12"));
-	sprintf(buf, "% d", -12);
-	assert(!strcmp(buf, "-12"));
-	sprintf(buf, "% +d", -12);
-	assert(!strcmp(buf, "-12"));
-	sprintf(buf, "%+ d", -12);
-	assert(!strcmp(buf, "-12"));
-#pragma GCC diagnostic pop
-
-	// Test '#' flag.
-	// TODO: Test with a, A, e, E, f, F, g, G conversions.
-	sprintf(buf, "%#x", 12);
-	assert(!strcmp(buf, "0xc"));
-	sprintf(buf, "%#X", 12);
-	assert(!strcmp(buf, "0XC"));
-	sprintf(buf, "%#o", 12);
-	assert(!strcmp(buf, "014"));
-	sprintf(buf, "%#x", 0);
-	assert(!strcmp(buf, "0"));
-	sprintf(buf, "%#X", 0);
-	assert(!strcmp(buf, "0"));
-	sprintf(buf, "%#o", 0);
-	assert(!strcmp(buf, "0"));
-
-	// Test 'd' with different size mods to see
-	// if they work
-	sprintf(buf, "%d", 12);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%ld", 12L);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%lld", 12LL);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%zd", (size_t)12);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%hd", 12);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%hhd", 12);
-	assert(!strcmp(buf, "12"));
-
-	// Test 'x' with different size mods to see
-	// if they work
-	sprintf(buf, "%x", 12);
-	assert(!strcmp(buf, "c"));
-	sprintf(buf, "%lx", 12L);
-	assert(!strcmp(buf, "c"));
-	sprintf(buf, "%llx", 12LL);
-	assert(!strcmp(buf, "c"));
-	sprintf(buf, "%zx", (size_t)12);
-	assert(!strcmp(buf, "c"));
-	sprintf(buf, "%hx", 12);
-	assert(!strcmp(buf, "c"));
-	sprintf(buf, "%hhx", 12);
-	assert(!strcmp(buf, "c"));
-
-	// Test 'X' with different size mods to see
-	// if they work
-	sprintf(buf, "%X", 12);
-	assert(!strcmp(buf, "C"));
-	sprintf(buf, "%lX", 12L);
-	assert(!strcmp(buf, "C"));
-	sprintf(buf, "%llX", 12LL);
-	assert(!strcmp(buf, "C"));
-	sprintf(buf, "%zX", (size_t)12);
-	assert(!strcmp(buf, "C"));
-	sprintf(buf, "%hX", 12);
-	assert(!strcmp(buf, "C"));
-	sprintf(buf, "%hhX", 12);
-	assert(!strcmp(buf, "C"));
-
-	// Test 'o' with different size mods to see
-	// if they work
-	sprintf(buf, "%o", 12);
-	assert(!strcmp(buf, "14"));
-	sprintf(buf, "%lo", 12L);
-	assert(!strcmp(buf, "14"));
-	sprintf(buf, "%llo", 12LL);
-	assert(!strcmp(buf, "14"));
-	sprintf(buf, "%zo", (size_t)12);
-	assert(!strcmp(buf, "14"));
-	sprintf(buf, "%ho", 12);
-	assert(!strcmp(buf, "14"));
-	sprintf(buf, "%hho", 12);
-	assert(!strcmp(buf, "14"));
-
-	// Test %n$ syntax.
-	sprintf(buf, "%1$d", 12);
-	assert(!strcmp(buf, "12"));
-	sprintf(buf, "%1$d %1$d", 12);
-	assert(!strcmp(buf, "12 12"));
-	sprintf(buf, "%1$d %2$d %1$d", 12, 14);
-	assert(!strcmp(buf, "12 14 12"));
-	sprintf(buf, "%1$d %2$s %2$s", 12, "foo");
-	assert(!strcmp(buf, "12 foo foo"));
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/sscanf.c b/lib/mlibc/tests/ansi/sscanf.c
deleted file mode 100644
index f3a881f..0000000
--- a/lib/mlibc/tests/ansi/sscanf.c
+++ /dev/null
@@ -1,143 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-struct format_test_cases {
-	const char *format;
-	const char *data;
-	int expected_int;
-	enum {
-		T_INT,
-		T_UINT,
-		T_CHAR,
-		T_NONE,
-	} type;
-	int ret;
-} formats[] = {
-	{"%i", "0x420", 0x420, T_INT, 1},
-	{"%i", "0420", 0420, T_INT, 1},
-	{"%i", "420", 420, T_INT, 1},
-	{"%i", "-420", -420, T_INT, 1},
-	{"%d", "-12345", -12345, T_INT, 1},
-	{"%u", "69", 69, T_UINT, 1},
-	{"%u", "0420", 420, T_UINT, 1},
-	{"%o", "0420", 0420, T_UINT, 1},
-	{"%x", "0xCB7", 0xCB7, T_UINT, 1},
-	{"%%", "%", 0, T_NONE, 0},
-	{"%c", "         I am not a fan of this solution.", ' ', T_CHAR, 1},
-	{" %c", "           CBT (capybara therapy)", 'C', T_CHAR, 1},
-};
-
-#pragma GCC diagnostic ignored "-Wformat-security"
-
-static void test_matrix() {
-	for(size_t i = 0; i < (sizeof(formats) / sizeof(*formats)); i++) {
-		struct format_test_cases *f = &formats[i];
-		int ret = -1;
-		int data_int;
-		unsigned int data_uint;
-		char data_char;
-
-		switch(f->type) {
-			case T_INT: {
-				ret = sscanf(f->data, f->format, &data_int);
-				assert(data_int == f->expected_int);
-				break;
-			}
-			case T_UINT: {
-				ret = sscanf(f->data, f->format, &data_uint);
-				assert(data_uint == (unsigned int) f->expected_int);
-				break;
-			}
-			case T_CHAR: {
-				ret = sscanf(f->data, f->format, &data_char);
-				assert(data_char == (unsigned char) f->expected_int);
-				break;
-			}
-			case T_NONE: {
-				ret = sscanf(f->data, f->format);
-				break;
-			}
-
-		}
-
-		assert(ret == f->ret);
-	}
-}
-
-int main() {
-	{
-		int x = 0;
-		char buf[] = "12345";
-		sscanf(buf, "%d", &x);
-		assert(x == 12345);
-	}
-
-	{
-		char c;
-		int n1;
-		int n2;
-		char buf[] = "z$ 7 5 440";;
-		int count = sscanf(buf, "%*c%c %d %*d %d", &c, &n1, &n2);
-		assert(count == 3);
-		assert(c == '$');
-		assert(n1 == 7);
-		assert(n2 == 440);
-	}
-
-	{
-		// From dsda-doom
-		char buf[] = "process_priority               0\n";
-		char def[80], strparm[128];
-		memset(def, '!', 80);
-		memset(strparm, '!', 128);
-		sscanf(buf, "%s %[^\n]\n", def, strparm);
-		assert(!strcmp(def, "process_priority"));
-		assert(!strcmp(strparm, "0"));
-	}
-
-	{
-		char buf[] = "fffff100";
-		unsigned long y = 0;
-		sscanf(buf, "%lx", &y);
-		assert(y == 0xfffff100);
-	}
-
-#if !defined(__i386__)
-	{
-		char buf[] = "fffffffff100";
-		unsigned long y = 0;
-		sscanf(buf, "%lx", &y);
-		assert(y == 0xfffffffff100);
-	}
-#endif
-
-	{
-		char buf[] = "410dc000";
-		unsigned long y = 0;
-		sscanf(buf, "%lx", &y);
-		assert(y == 0x410dc000);
-	}
-
-	{
-		// From webkitgtk
-		char buf[] = "MemTotal:       16299664 kB\n";
-		char token[51] = {0};
-		size_t amount = 0;
-		int ret = sscanf(buf, "%50s%zukB", token, &amount);
-		assert(ret == 2);
-		assert(!strcmp(token, "MemTotal:"));
-		assert(amount == 16299664);
-	}
-
-	{
-		char buf[] = "SIGINT";
-		int sig;
-		int ret = sscanf(buf, "%d", &sig);
-		assert(!ret);
-	}
-
-	test_matrix();
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strchr.c b/lib/mlibc/tests/ansi/strchr.c
deleted file mode 100644
index a80a1f9..0000000
--- a/lib/mlibc/tests/ansi/strchr.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <assert.h>
-#include <string.h>
-#include <stddef.h>
-
-int main() {
-  char str[] = "This is a sample string";
-  char *pch;
-  // The character 's' is at position 4, 7, 11 and 18
-  pch = strchr(str, 's');
-  assert(pch - str + 1 == 4);
-  pch = strchr(pch + 1, 's');
-  assert(pch - str + 1 == 7);
-  pch = strchr(pch + 1, 's');
-  assert(pch - str + 1 == 11);
-  pch = strchr(pch + 1, 's');
-  assert(pch - str + 1 == 18);
-  pch = strchr(pch + 1, 's');
-  assert(pch == NULL);
-  return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strftime.c b/lib/mlibc/tests/ansi/strftime.c
deleted file mode 100644
index 69ec642..0000000
--- a/lib/mlibc/tests/ansi/strftime.c
+++ /dev/null
@@ -1,48 +0,0 @@
-#include <string.h>
-#include <time.h>
-#include <assert.h>
-#include <locale.h>
-#include <stdio.h>
-
-int main() {
-	// Date representation depends on locale, here only C is tested.
-	// Maybe consider testing more locales?
-	if (setlocale (LC_ALL, "C") == NULL) {
-		fputs("strftime testcase could not set locale, errors may be expected!", stderr);
-	}
-
-	char timebuf[16];
-	char result[16] = " 8";
-	struct tm tm;
-	tm.tm_sec = 0;
-	tm.tm_min = 17;
-	tm.tm_hour = 17;
-	tm.tm_mday = 8;
-	tm.tm_mon = 2;
-	tm.tm_year = 121;
-	tm.tm_wday = 2;
-	tm.tm_yday = 39;
-	strftime(timebuf, sizeof(timebuf), "%e", &tm);
-	assert(!strcmp(timebuf, result));
-
-	memset(timebuf, 0, sizeof(timebuf));
-	strftime(timebuf, sizeof(timebuf), "%x", &tm);
-	assert(!strcmp(timebuf, "03/08/21"));
-
-	memset(timebuf, 0, sizeof(timebuf));
-	strftime(timebuf, sizeof(timebuf), "%X", &tm);
-	assert(!strcmp(timebuf, "17:17:00"));
-
-	memset(timebuf, 0, sizeof(timebuf));
-	strftime(timebuf, sizeof(timebuf), "%a %A", &tm);
-	assert(!strcmp(timebuf, "Tue Tuesday"));
-
-	memset(timebuf, 0, sizeof(timebuf));
-	strftime(timebuf, sizeof(timebuf), "%b %B %h", &tm);
-	assert(!strcmp(timebuf, "Mar March Mar"));
-
-	memset(timebuf, 0, sizeof(timebuf));
-	assert(!strftime(timebuf, sizeof(timebuf), "%a %A %a %A %b %B %h", &tm));
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strrchr.c b/lib/mlibc/tests/ansi/strrchr.c
deleted file mode 100644
index 2de9821..0000000
--- a/lib/mlibc/tests/ansi/strrchr.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <string.h>
-#include <assert.h>
-
-int main() {
-  char str[] = "This is a sample string";
-  char *pch;
-  pch = strrchr(str, 's');
-  // The last occurence of 's' is at position 18
-  assert(pch - str + 1 == 18);
-  return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strtof.c b/lib/mlibc/tests/ansi/strtof.c
deleted file mode 100644
index a13af90..0000000
--- a/lib/mlibc/tests/ansi/strtof.c
+++ /dev/null
@@ -1,83 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <string.h>
-#include <math.h>
-
-#define FLT_RANGE 0.000001f
-#define DBL_RANGE 0.000001
-#define LDBL_RANGE 0.000001
-
-#define DO_TEST(str, value, off, func, range) ({ \
-	char s[] = (str); \
-	char *pEnd = NULL; \
-	__typeof(func(s, &pEnd)) result = func(s, &pEnd); \
-	assert(result >= (value) - (range)); \
-	assert(result <= (value) + (range)); \
-	assert(pEnd == (off == -1 ? s + strlen(s) : s + off)); })
-
-#define DO_TEST_SUCCESS_FUNC(str, success_func, off, func) ({ \
-	char s[] = (str); \
-	char *pEnd = NULL; \
-	assert(success_func(func(s, &pEnd))); \
-	assert(pEnd == (off == -1 ? s + strlen(s) : s + off)); })
-
-int main () {
-	DO_TEST("0", 0.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0.12", 0.12f, -1, strtof, FLT_RANGE);
-	DO_TEST("12", 12.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("12.13", 12.13f, -1, strtof, FLT_RANGE);
-	DO_TEST("10.0e1", 100.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("10.0e10", 100000000000.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("100.0e-1", 10.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x0", 0.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x0.12", 0.0703125f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x12", 18.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x12.13", 18.07421875f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x10.0p1", 32.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x10.0p10", 16384.0f, -1, strtof, FLT_RANGE);
-	DO_TEST("0x100.0p-1", 128.0f, -1, strtof, FLT_RANGE);
-	DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtof);
-	DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtof);
-	DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtof);
-	DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtof);
-
-	DO_TEST("0", 0.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0.12", 0.12, -1, strtod, DBL_RANGE);
-	DO_TEST("12", 12.0, -1, strtod, DBL_RANGE);
-	DO_TEST("12.13", 12.13, -1, strtod, DBL_RANGE);
-	DO_TEST("10.0e1", 100.0, -1, strtod, DBL_RANGE);
-	DO_TEST("10.0e10", 100000000000.0, -1, strtod, DBL_RANGE);
-	DO_TEST("100.0e-1", 10.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0x0", 0.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0x0.12", 0.0703125, -1, strtod, DBL_RANGE);
-	DO_TEST("0x12", 18.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0x12.13", 18.07421875, -1, strtod, DBL_RANGE);
-	DO_TEST("0x10.0p1", 32.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0x10.0p10", 16384.0, -1, strtod, DBL_RANGE);
-	DO_TEST("0x100.0p-1", 128.0, -1, strtod, DBL_RANGE);
-	DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtod);
-	DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtod);
-	DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtod);
-	DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtod);
-
-	DO_TEST("0", 0.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0.12", 0.12, -1, strtold, LDBL_RANGE);
-	DO_TEST("12", 12.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("12.13", 12.13, -1, strtold, LDBL_RANGE);
-	DO_TEST("10.0e1", 100.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("10.0e10", 100000000000.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("100.0e-1", 10.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x0", 0.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x0.12", 0.0703125, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x12", 18.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x12.13", 18.07421875, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x10.0p1", 32.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x10.0p10", 16384.0, -1, strtold, LDBL_RANGE);
-	DO_TEST("0x100.0p-1", 128.0, -1, strtold, LDBL_RANGE);
-	DO_TEST_SUCCESS_FUNC("NAN", isnan, -1, strtold);
-	DO_TEST_SUCCESS_FUNC("nan", isnan, -1, strtold);
-	DO_TEST_SUCCESS_FUNC("INF", isinf, -1, strtold);
-	DO_TEST_SUCCESS_FUNC("INFINITY", isinf, -1, strtold);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strtol.c b/lib/mlibc/tests/ansi/strtol.c
deleted file mode 100644
index 823cb4a..0000000
--- a/lib/mlibc/tests/ansi/strtol.c
+++ /dev/null
@@ -1,140 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <limits.h>
-#include <string.h>
-#include <errno.h>
-#include <stdio.h>
-#include <wchar.h>
-
-#define DO_TEST(str, value, off, func, base) ({ \
-	char s[] = (str); \
-	char *pEnd = NULL; \
-	errno = 0; \
-	assert(func(s, &pEnd, base) == (value)); \
-	assert(errno == 0); \
-	assert(pEnd == (off == -1 ? s + strlen(s) : s + off)); })
-
-#define DO_ERR_TEST(str, value, err, func, base) ({ \
-	char s[] = (str); \
-	char *pEnd = NULL; \
-	errno = 0; \
-	assert(func(s, &pEnd, base) == (value)); \
-	assert(errno == err); \
-	assert(pEnd == (err == ERANGE ? s + strlen(s) : s)); })
-
-#define DO_TESTL(str, value, off, func, base) ({ \
-	wchar_t s[] = (str); \
-	wchar_t *pEnd = NULL; \
-	errno = 0; \
-	assert(func(s, &pEnd, base) == (value)); \
-	assert(errno == 0); \
-	assert(pEnd == (off == -1 ? s + wcslen(s) : s + off)); })
-
-#define DO_ERR_TESTL(str, value, err, func, base) ({ \
-	wchar_t s[] = (str); \
-	wchar_t *pEnd = NULL; \
-	errno = 0; \
-	assert(func(s, &pEnd, base) == (value)); \
-	assert(errno == err); \
-	assert(pEnd == (err == ERANGE ? s + wcslen(s) : s)); })
-
-int main () {
-	// A few generic checks.
-	DO_TEST("0", 0, -1, strtol, 0);
-	DO_TEST("0", 0, -1, strtol, 10);
-	DO_TEST("2001", 2001, -1, strtol, 10);
-	DO_TEST("+2001", 2001, -1, strtol, 10);
-	DO_TEST("60c0c0", 0x60c0c0, -1, strtol, 16);
-	DO_TEST("-1101110100110100100000", -3624224, -1, strtol, 2);
-	DO_TEST("0x6fffff", 0x6fffff, -1, strtol, 0);
-	DO_TEST("0666", 0666, -1, strtol, 0);
-	DO_TEST("0xzzz", 0, 1, strtol, 0);
-	DO_TEST("0yzzz", 0, 1, strtol, 0);
-	DO_TEST("00xzz", 0, 2, strtol, 0);
-	DO_ERR_TEST("", 0, 0, strtol, 10);
-	DO_ERR_TEST("asd", 0, 0, strtol, 10);
-	DO_ERR_TEST("999999999999999999999999999", LONG_MAX, ERANGE, strtol, 10);
-	DO_ERR_TEST("-999999999999999999999999999", LONG_MIN, ERANGE, strtol, 10);
-
-	// strtol
-#if defined(__i386__)
- 	DO_TEST("-2147483648", LONG_MIN, -1, strtol, 10);
-	DO_TEST("2147483647", LONG_MAX, -1, strtol, 10);
- 	DO_ERR_TEST("-2147483649", LONG_MIN, ERANGE, strtol, 10);
-	DO_ERR_TEST("2147483648", LONG_MAX, ERANGE, strtol, 10);
-#else
-	DO_TEST("-9223372036854775808", LONG_MIN, -1, strtol, 10);
-	DO_TEST("9223372036854775807", LONG_MAX, -1, strtol, 10);
-	DO_ERR_TEST("9223372036854775808", LONG_MAX, ERANGE, strtol, 10);
-	DO_ERR_TEST("-9223372036854775809", LONG_MIN, ERANGE, strtol, 10);
-#endif
-
-	// wcstol
-#if defined(__i386__)
-	DO_TESTL(L"-2147483648", LONG_MIN, -1, wcstol, 10);
-	DO_TESTL(L"2147483647", LONG_MAX, -1, wcstol, 10);
-	DO_ERR_TESTL(L"2147483648", LONG_MAX, ERANGE, wcstol, 10);
-	DO_ERR_TESTL(L"-2147483649", LONG_MIN, ERANGE, wcstol, 10);
-#else
-	DO_TESTL(L"-9223372036854775808", LONG_MIN, -1, wcstol, 10);
-	DO_TESTL(L"9223372036854775807", LONG_MAX, -1, wcstol, 10);
-	DO_ERR_TESTL(L"9223372036854775808", LONG_MAX, ERANGE, wcstol, 10);
-	DO_ERR_TESTL(L"-9223372036854775809", LONG_MIN, ERANGE, wcstol, 10);
-#endif
-
-	// strtoll
-	DO_TEST("-9223372036854775808", LLONG_MIN, -1, strtoll, 10);
-	DO_TEST("9223372036854775807", LLONG_MAX, -1, strtoll, 10);
-	DO_ERR_TEST("9223372036854775808", LLONG_MAX, ERANGE, strtoll, 10);
-	DO_ERR_TEST("-9223372036854775809", LLONG_MIN, ERANGE, strtoll, 10);
-	// wcstoll
-	DO_TESTL(L"-9223372036854775808", LLONG_MIN, -1, wcstoll, 10);
-	DO_TESTL(L"9223372036854775807", LLONG_MAX, -1, wcstoll, 10);
-	DO_ERR_TESTL(L"9223372036854775808", LLONG_MAX, ERANGE, wcstoll, 10);
-	DO_ERR_TESTL(L"-9223372036854775809", LLONG_MIN, ERANGE, wcstoll, 10);
-
-	// strtoul
-#if defined(__i386__)
-	DO_TEST("-1", -(1UL), -1, strtoul, 10);
-	DO_TEST("2147483647", LONG_MAX, -1, strtoul, 10);
-	DO_TEST("4294967295", ULONG_MAX, -1, strtoul, 10);
-	DO_TEST("-4294967295", 1UL, -1, strtoul, 10);
-	DO_ERR_TEST("4294967296", ULONG_MAX, ERANGE, strtoul, 10);
-#else
-	DO_TEST("-1", -(1UL), -1, strtoul, 10);
-	DO_TEST("9223372036854775807", LONG_MAX, -1, strtoul, 10);
-	DO_TEST("18446744073709551615", ULONG_MAX, -1, strtoul, 10);
-	DO_TEST("-18446744073709551615", 1UL, -1, strtoul, 10);
-	DO_ERR_TEST("18446744073709551616", ULONG_MAX, ERANGE, strtoul, 10);
-#endif
-
-	// wcstoul
-#if defined(__i386__)
-	DO_TESTL(L"-1", -(1UL), -1, wcstoul, 10);
-	DO_TESTL(L"2147483647", LONG_MAX, -1, wcstoul, 10);
-	DO_TESTL(L"4294967295", ULONG_MAX, -1, wcstoul, 10);
-	DO_TESTL(L"-4294967295", 1UL, -1, wcstoul, 10);
-	DO_ERR_TESTL(L"4294967296", ULONG_MAX, ERANGE, wcstoul, 10);
-#else
-	DO_TESTL(L"-1", -(1UL), -1, wcstoul, 10);
-	DO_TESTL(L"9223372036854775807", LONG_MAX, -1, wcstoul, 10);
-	DO_TESTL(L"18446744073709551615", ULONG_MAX, -1, wcstoul, 10);
-	DO_TESTL(L"-18446744073709551615", 1UL, -1, wcstoul, 10);
-	DO_ERR_TESTL(L"18446744073709551616", ULONG_MAX, ERANGE, wcstoul, 10);
-#endif
-
-	// strtoull
-	DO_TEST("-1", -(1ULL), -1, strtoull, 10);
-	DO_TEST("9223372036854775807", LLONG_MAX, -1, strtoull, 10);
-	DO_TEST("18446744073709551615", ULLONG_MAX, -1, strtoull, 10);
-	DO_TEST("-18446744073709551615", 1ULL, -1, strtoull, 10);
-	DO_ERR_TEST("18446744073709551616", ULLONG_MAX, ERANGE, strtoull, 10);
-	// wcstoull
-	DO_TESTL(L"-1", -(1ULL), -1, wcstoull, 10);
-	DO_TESTL(L"9223372036854775807", LLONG_MAX, -1, wcstoull, 10);
-	DO_TESTL(L"18446744073709551615", ULLONG_MAX, -1, wcstoull, 10);
-	DO_TESTL(L"-18446744073709551615", 1ULL, -1, wcstoull, 10);
-	DO_ERR_TESTL(L"18446744073709551616", ULLONG_MAX, ERANGE, wcstoull, 10);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/strverscmp.c b/lib/mlibc/tests/ansi/strverscmp.c
deleted file mode 100644
index d6501a1..0000000
--- a/lib/mlibc/tests/ansi/strverscmp.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-
-int main() {
-   int res;
-
-   res = strverscmp("jan1", "jan10");
-   assert(res < 0);
-
-   res = strverscmp("jan11", "jan10");
-   assert(res > 0);
-
-   res = strverscmp("jan1", "jan1");
-   assert(res == 0);
-}
diff --git a/lib/mlibc/tests/ansi/strxfrm.c b/lib/mlibc/tests/ansi/strxfrm.c
deleted file mode 100644
index 07a4082..0000000
--- a/lib/mlibc/tests/ansi/strxfrm.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <assert.h>
-#include <locale.h>
-#include <string.h>
-
-int main() {
-	setlocale(LC_ALL, "C");
-
-	const char *buf = "cbtteststring";
-	char dest[14];
-	size_t ret = strxfrm(dest, buf, strlen(buf) + 1);
-	assert(ret == 13);
-	int cmp = strncmp(dest, buf, 13);
-	assert(!cmp);
-}
diff --git a/lib/mlibc/tests/ansi/timegm.c b/lib/mlibc/tests/ansi/timegm.c
deleted file mode 100644
index f5af03e..0000000
--- a/lib/mlibc/tests/ansi/timegm.c
+++ /dev/null
@@ -1,45 +0,0 @@
-#include <time.h>
-#include <stdio.h>
-#include <assert.h>
-
-int main() {
-	struct tm soon = {};
-	soon.tm_sec = 0;
-	soon.tm_min = 0;
-	soon.tm_hour = 0;
-	soon.tm_mday = 1;
-	soon.tm_mon = 0;
-	soon.tm_year = 70;
-	time_t result;
-	time_t expected_result = 0;
-	// This should be epoch.
-	result = timegm(&soon);
-	printf("epoch: %ld\n", result);
-	assert(result == expected_result);
-
-	soon.tm_sec = 12;
-	soon.tm_min = 8;
-	soon.tm_hour = 16;
-	soon.tm_mday = 17;
-	soon.tm_mon = 4;
-	soon.tm_year = 122;
-	expected_result = 1652803692;
-	result = timegm(&soon);
-	// On my host, this returned 1652803692, verify this.
-	printf("epoch: %ld\n", result);
-	assert(result == expected_result);
-
-	soon.tm_sec = 45;
-	soon.tm_min = 42;
-	soon.tm_hour = 17;
-	soon.tm_mday = 16;
-	soon.tm_mon = 8;
-	soon.tm_year = 69;
-	expected_result = -9181035;
-	result = timegm(&soon);
-	// On my host, this returned -9181035, verify this.
-	printf("epoch: %ld\n", result);
-	assert(result == expected_result);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/ungetc.c b/lib/mlibc/tests/ansi/ungetc.c
deleted file mode 100644
index 8773c6d..0000000
--- a/lib/mlibc/tests/ansi/ungetc.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "ungetc-host-libc.tmp"
-#else
-#define TEST_FILE "ungetc.tmp"
-#endif
-
-void test(int buffering) {
-	FILE *f = fopen(TEST_FILE, "w");
-	for(int c = '0'; c <= '9'; c++) {
-		fputc(c, f);
-	}
-	fclose(f);
-
-	f = fopen(TEST_FILE, "r");
-	if (!buffering) {
-		setbuf(f, NULL);
-	}
-
-	assert(ungetc('x', f) == 'x');
-	assert(fgetc(f) == 'x');
-
-	// Test pushing back the same character
-	for (int c = '0'; c <= '9'; c++) {
-		assert(fgetc(f) == c);
-		assert(ungetc(c, f) == c);
-		assert(fgetc(f) == c);
-	}
-	assert(fgetc(f) == EOF);
-	assert(ungetc(EOF, f) == EOF);
-
-	// Even though the spec does not guarantee it, we should be able to
-	// ungetc more than one character.
-	assert(ungetc('x', f) == 'x');
-	assert(ungetc('y', f) == 'y');
-	assert(fgetc(f) == 'y');
-	assert(fgetc(f) == 'x');
-
-	// Seeking should discard the effects of ungetc.
-	assert(ungetc('x', f) == 'x');
-	rewind(f);
-
-	// Test pushing back a different character
-	for (int c = '0'; c <= '9'; c++) {
-		assert(fgetc(f) == c);
-		assert(ungetc(c - '0' + 'a', f) == c - '0' + 'a');
-		assert(fgetc(f) == c - '0' + 'a');
-	}
-
-#ifndef USE_HOST_LIBC
-	// Too many ungetcs should fail.
-	int eof = 0;
-	for (int i = 0; i < 100; i++) {
-		if (ungetc('x', f) == EOF) {
-			eof = 1;
-			break;
-		}
-	}
-	assert(eof);
-#endif
-
-	fclose(f);
-
-	// TODO: Test with other operations, like fread.
-}
-
-int main() {
-	fprintf(stderr, "with buffering...\n");
-	test(1);
-	fprintf(stderr, "without buffering...\n");
-	test(0);
-}
diff --git a/lib/mlibc/tests/ansi/utf8.c b/lib/mlibc/tests/ansi/utf8.c
deleted file mode 100644
index 18b0d5a..0000000
--- a/lib/mlibc/tests/ansi/utf8.c
+++ /dev/null
@@ -1,63 +0,0 @@
-#include <assert.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wchar.h>
-#include <locale.h>
-
-#if UINTPTR_MAX == UINT64_MAX
-#define WCHAR_SPEC ""
-#else
-#define WCHAR_SPEC "l"
-#endif
-
-#define EXPECT(func) ({ \
-		if(res != expected_ret) { \
-			printf(#func " decoded %d bytes (expected %d bytes), at %s:%d\n", \
-					res, expected_ret, __FILE__, line); \
-			fflush(stdout); \
-			abort(); \
-		} \
-		if(wc != expected) { \
-			printf(#func " output cp %" WCHAR_SPEC "x (expected cp %" WCHAR_SPEC "x), at %s:%d\n", wc, \
-					expected, __FILE__, line); \
-			fflush(stdout); \
-			abort(); \
-		} \
-	})
-
-void verify_decode(const char *input, wchar_t expected, int line) {
-	wchar_t wc;
-	int bytes = *input ? strlen(input) : 1;
-	int expected_ret = *input ? strlen(input) : 0;
-
-	// Check mbrtowc().
-	mbstate_t state;
-	memset(&state, 0, sizeof(state));
-	assert(mbrtowc(NULL, NULL, -1, &state) == 0);
-	int res = mbrtowc(&wc, input, bytes, &state);
-	EXPECT("mbrtowc");
-	res = mbrtowc(NULL, input, bytes, &state);
-	EXPECT("mbrtowc (pwc == NULL)");
-
-	// Check mbtowc().
-	assert(mbtowc(NULL, NULL, -1) == 0);
-	res = mbtowc(&wc, input, bytes);
-	EXPECT("mbtowc");
-	res = mbtowc(NULL, input, bytes);
-	EXPECT("mbtowc (pwc == NULL)");
-}
-
-int main() {
-	setlocale(LC_ALL, "C.UTF-8");
-
-#define verify_decode(in, out) verify_decode(in, out, __LINE__)
-	verify_decode("\x24", 0x24);
-	verify_decode("\xC2\xA2", 0xA2);
-	verify_decode("\xE0\xA4\xB9", 0x939);
-	verify_decode("\xE2\x82\xAC", 0x20AC);
-	verify_decode("\xED\x95\x9C", 0xD55C);
-	verify_decode("\xF0\x90\x8D\x88", 0x10348);
-	verify_decode("", L'\0');
-}
diff --git a/lib/mlibc/tests/ansi/wcsdup.c b/lib/mlibc/tests/ansi/wcsdup.c
deleted file mode 100644
index 564b77e..0000000
--- a/lib/mlibc/tests/ansi/wcsdup.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-#include <wchar.h>
-
-int main() {
-	wchar_t *wide_string = L"test string\n";
-	wchar_t *dup_string = wcsdup(wide_string);
-	assert(!memcmp(wide_string, dup_string, (wcslen(wide_string) + 1) * sizeof(wchar_t)));
-	free(dup_string);
-}
diff --git a/lib/mlibc/tests/ansi/wcsncasecmp.c b/lib/mlibc/tests/ansi/wcsncasecmp.c
deleted file mode 100644
index fcbe98f..0000000
--- a/lib/mlibc/tests/ansi/wcsncasecmp.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <assert.h>
-#include <wchar.h>
-
-int main() {
-	assert(!wcsncasecmp(L"foo", L"foo", 3));
-	assert(!wcsncasecmp(L"foo", L"FOO", 3));
-	assert(!wcsncasecmp(L"fooa", L"FOOB", 3));
-	assert(wcsncasecmp(L"foo", L"bar", 3));
-	assert(!wcsncasecmp(L"fooa", L"FOOA", 4));
-	assert(!wcsncasecmp(L"123abc", L"123AbC", 6));
-}
diff --git a/lib/mlibc/tests/ansi/wcsrtombs.c b/lib/mlibc/tests/ansi/wcsrtombs.c
deleted file mode 100644
index 80df257..0000000
--- a/lib/mlibc/tests/ansi/wcsrtombs.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include <stdlib.h>
-#include <wchar.h>
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	const wchar_t str[] = L"wcsrtombs";
-	const wchar_t *p = str;
-	int ret = wcsrtombs(NULL, &p, 343245234, NULL);
-	assert(ret == 9);
-	return 0;
-}
diff --git a/lib/mlibc/tests/ansi/wmemcmp.c b/lib/mlibc/tests/ansi/wmemcmp.c
deleted file mode 100644
index 74de9bd..0000000
--- a/lib/mlibc/tests/ansi/wmemcmp.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <assert.h>
-#include <wchar.h>
-#include <stdlib.h>
-
-int main(void){
-    wchar_t *ws1 = calloc(10, sizeof(wchar_t));
-    wchar_t *ws2 = calloc(10, sizeof(wchar_t));
-
-    mbstowcs(ws1, "Test 1", 10);
-    mbstowcs(ws2, "Tester 2", 10);
-
-    assert(wmemcmp(ws1, ws2, 10) < 0);
-    assert(wmemcmp(ws2, ws1, 10) > 0);
-    assert(wmemcmp(ws2, ws2, 10) == 0);
-
-	free(ws1);
-	free(ws2);
-    return 0;
-}
diff --git a/lib/mlibc/tests/bsd/ns_get_put.c b/lib/mlibc/tests/bsd/ns_get_put.c
deleted file mode 100644
index d64bb2a..0000000
--- a/lib/mlibc/tests/bsd/ns_get_put.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <assert.h>
-#include <arpa/nameser.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdint.h>
-
-int main() {
-	uint8_t *buf = malloc(256);
-	uint16_t original16 = 4891;
-	uint32_t original32 = 4861984;
-	memset(buf, 0x0, sizeof(*buf));
-	ns_put16(original16, buf);
-	uint16_t result16 = ns_get16(buf);
-	assert(result16 == original16);
-	memset(buf, 0x0, sizeof(*buf));
-	ns_put32(original32, buf);
-	uint32_t result32 = ns_get32(buf);
-	assert(result32 == original32);
-	free(buf);
-	return 0;
-}
diff --git a/lib/mlibc/tests/bsd/reallocarray.c b/lib/mlibc/tests/bsd/reallocarray.c
deleted file mode 100644
index 905d68d..0000000
--- a/lib/mlibc/tests/bsd/reallocarray.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <stdlib.h>
-
-int main() {
-	void *ret = reallocarray(NULL, 69, 0xCB7);
-	free(ret);
-	return !ret;
-}
diff --git a/lib/mlibc/tests/bsd/sbrk.c b/lib/mlibc/tests/bsd/sbrk.c
deleted file mode 100644
index 88b0407..0000000
--- a/lib/mlibc/tests/bsd/sbrk.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <assert.h>
-#include <stdio.h>
-#include <unistd.h>
-
-int main() {
-	void *ret = sbrk(0);
-	assert(ret != (void *) -1);
-	assert(ret);
-}
diff --git a/lib/mlibc/tests/bsd/strl.c b/lib/mlibc/tests/bsd/strl.c
deleted file mode 100644
index a502850..0000000
--- a/lib/mlibc/tests/bsd/strl.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	char buf[256];
-
-	/* Test copy to 0-sized buffer . */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcpy(buf, "xyz", 0) == 3);
-	assert(strcmp(buf, "") == 0);
-
-	/* Test normal copy. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcpy(buf, "xyz", sizeof(buf)) == 3);
-	assert(strcmp(buf, "xyz") == 0);
-
-	/* Test truncated copy. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcpy(buf, "abcdefabcdef", 10) == 12);
-	assert(strcmp(buf, "abcdefabc") == 0);
-
-	/* Test concat to 0-sized buffer. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcat(buf, "abc", 0) == 3);
-	assert(strcmp(buf, "") == 0);
-
-	/* Test concat to full buffer. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcat(buf, "abcde", 6) == 5);
-	assert(strcmp(buf, "abcde") == 0);
-	assert(strlcat(buf, "xyz", 5) == 8);
-	assert(strcmp(buf, "abcde") == 0);
-
-	/* Test normal concat. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcat(buf, "abc", sizeof(buf)) == 3);
-	assert(strcmp(buf, "abc") == 0);
-	assert(strlcat(buf, "xyz", sizeof(buf)) == 6);
-	assert(strcmp(buf, "abcxyz") == 0);
-
-	/* Test truncated concat. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcat(buf, "abcabc", 10) == 6);
-	assert(strcmp(buf, "abcabc") == 0);
-	assert(strlcat(buf, "xyzxyz", 10) == 12);
-	assert(strcmp(buf, "abcabcxyz") == 0);
-
-	/* Test truncated concat w/ truncated dst. */
-	memset(buf, 0, sizeof(buf));
-	assert(strlcat(buf, "abcabc", 10) == 6);
-	assert(strcmp(buf, "abcabc") == 0);
-	assert(strlcat(buf, "xyz", 4) == 7);
-	assert(strcmp(buf, "abcabc") == 0);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/glibc/error.c b/lib/mlibc/tests/glibc/error.c
deleted file mode 100644
index 2ae752a..0000000
--- a/lib/mlibc/tests/glibc/error.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <errno.h>
-#include <error.h>
-
-int main() {
-	error(0, EINVAL, "test: %s", "error");
-}
diff --git a/lib/mlibc/tests/glibc/error.py b/lib/mlibc/tests/glibc/error.py
deleted file mode 100644
index 3833974..0000000
--- a/lib/mlibc/tests/glibc/error.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import subprocess
-import sys
-import os
-from pyexpect import expect
-
-wrapper = os.getenv("MESON_EXE_WRAPPER")
-wrapper = [x for x in (wrapper,) if x]
-
-output = subprocess.check_output(wrapper + [sys.argv[1]], stderr=subprocess.STDOUT)
-
-expect(bytes(sys.argv[1], 'utf-8') + b': test: error: Invalid argument (EINVAL)\n').to_equal(output)
diff --git a/lib/mlibc/tests/glibc/error_at_line.c b/lib/mlibc/tests/glibc/error_at_line.c
deleted file mode 100644
index 257ddd2..0000000
--- a/lib/mlibc/tests/glibc/error_at_line.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <errno.h>
-#include <error.h>
-
-int main() {
-	error_at_line(0, EINVAL, "error_at_line", 5, "test: %s", "error");
-}
diff --git a/lib/mlibc/tests/glibc/error_at_line.py b/lib/mlibc/tests/glibc/error_at_line.py
deleted file mode 100644
index 7499e05..0000000
--- a/lib/mlibc/tests/glibc/error_at_line.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import subprocess
-import sys
-import os
-from pyexpect import expect
-
-wrapper = os.getenv("MESON_EXE_WRAPPER")
-wrapper = [x for x in (wrapper,) if x]
-
-output = subprocess.check_output(wrapper + [sys.argv[1]], stderr=subprocess.STDOUT)
-
-expect(bytes(sys.argv[1], 'utf-8') + b':error_at_line:5: test: error: Invalid argument (EINVAL)\n').to_equal(output)
diff --git a/lib/mlibc/tests/glibc/error_expect_fail.c b/lib/mlibc/tests/glibc/error_expect_fail.c
deleted file mode 100644
index 17f0907..0000000
--- a/lib/mlibc/tests/glibc/error_expect_fail.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <errno.h>
-#include <error.h>
-
-int main() {
-	error(1, EINVAL, "test error #1");
-}
diff --git a/lib/mlibc/tests/glibc/error_message_count.c b/lib/mlibc/tests/glibc/error_message_count.c
deleted file mode 100644
index c2c694a..0000000
--- a/lib/mlibc/tests/glibc/error_message_count.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <error.h>
-
-int main() {
-	assert(error_message_count == 0);
-	error(0, EINVAL, "test error #1");
-	assert(error_message_count == 1);
-	error_at_line(0, EINVAL, __FILE__, __LINE__, "test error #2");
-	assert(error_message_count == 2);
-}
diff --git a/lib/mlibc/tests/glibc/error_one_per_line.c b/lib/mlibc/tests/glibc/error_one_per_line.c
deleted file mode 100644
index 98721ec..0000000
--- a/lib/mlibc/tests/glibc/error_one_per_line.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <error.h>
-
-int main() {
-	assert(error_one_per_line == 0);
-	assert(error_message_count == 0);
-	error_one_per_line = 1;
-	error_at_line(0, EINVAL, __FILE__, 0, "test error #1");
-	assert(error_message_count == 1);
-	error_at_line(0, EINVAL, __FILE__, 0, "test error #2");
-	assert(error_message_count == 1);
-}
diff --git a/lib/mlibc/tests/glibc/error_print_progname.c b/lib/mlibc/tests/glibc/error_print_progname.c
deleted file mode 100644
index 8840cb2..0000000
--- a/lib/mlibc/tests/glibc/error_print_progname.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <assert.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <errno.h>
-#include <error.h>
-
-bool ran = false;
-
-void test_progname(void) {
-	ran = true;
-	fprintf(stderr, "progname test");
-}
-
-int main() {
-	assert(error_print_progname == NULL);
-	error_print_progname = &test_progname;
-	error(0, EINVAL, "test error #1");
-	assert(ran == true);
-}
diff --git a/lib/mlibc/tests/glibc/ffsl-ffsll.c b/lib/mlibc/tests/glibc/ffsl-ffsll.c
deleted file mode 100644
index ed70ad6..0000000
--- a/lib/mlibc/tests/glibc/ffsl-ffsll.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <assert.h>
-#include <stdint.h>
-#include <string.h>
-#include <limits.h>
-
-int main(void){
-	// ffsl
-	assert(ffsl(0x8000) == 16);
-	assert(ffsl(0) == 0);
-#if UINTPTR_MAX == UINT64_MAX
-	assert(ffsl(LLONG_MAX - 1) ==  2);
-	assert(ffsl(LLONG_MAX) == 1);
-#endif
-	assert(ffsl(LONG_MIN) == (long)(sizeof(long) * CHAR_BIT));
-	assert(ffsl(LONG_MIN + 1) == 1);
-
-	for (int i = 1; i < 0x1000; i++) {
-		assert(ffsl(i) - 1 == __builtin_ctz(i));
-	}
-
-	// ffsll
-	assert(ffsll(0x8000) == 16);
-	assert(ffsll(0) == 0);
-#if UINTPTR_MAX == UINT64_MAX
-	assert(ffsll(LLONG_MAX - 1) ==  2);
-	assert(ffsll(LLONG_MAX) == 1);
-#endif
-	assert(ffsll(LLONG_MIN) == (long long)(sizeof(long long) * CHAR_BIT));
-	assert(ffsll(LLONG_MIN + 1) == 1);
-
-	for (int i = 1; i < 0x1000; i++) {
-		assert(ffsll(i) - 1 == __builtin_ctz(i));
-	}
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/glibc/getopt.c b/lib/mlibc/tests/glibc/getopt.c
deleted file mode 100644
index a0e27bb..0000000
--- a/lib/mlibc/tests/glibc/getopt.c
+++ /dev/null
@@ -1,288 +0,0 @@
-#include <assert.h>
-#include <getopt.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define COUNT_OF(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
-#define dump(x) fprintf(stderr, "getopt c '%c' (%d), optind %d ('%s'), optarg '%s', optopt '%c' (%d)\n", \
-		(x), (x), optind, (size_t)optind >= COUNT_OF(test_argv) ? "out of range" : test_argv[optind], optarg, optopt, optopt);
-
-void test1() {
-	const char *shortopts = "b:cdef";
-
-	const struct option longopts[] = {
-		{"foo", required_argument, NULL, 'f'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	int test_argc = 7;
-
-	char *test_argv[] = {
-		"dummy",
-		"--foo",
-		"abc",
-		"-b",
-		"abc",
-		"abc",
-		"abc"
-	};
-
-	optind = 0;
-	int c = getopt_long(test_argc, test_argv, shortopts, longopts, NULL);
-	dump(c)
-	assert(c == 'f');
-
-	c = getopt_long(test_argc, test_argv, shortopts, longopts, NULL);
-	dump(c)
-	assert(optarg && !strcmp(optarg, "abc"));
-	assert(c == 'b');
-
-	c = getopt_long(test_argc, test_argv, shortopts, longopts, NULL);
-	dump(c);
-	assert(c == -1);
-	assert(optarg == NULL);
-
-	// we have 2 non-option arguments
-	assert((optind + 2) == test_argc);
-}
-
-void test2() {
-	const struct option longopts[] = {
-		{"foo", required_argument, NULL, 'f'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	char *test_argv[] = {
-		"dummy",
-		"-c",
-	};
-
-	fputs("Situation: we pass a non-existant short option in argv\n", stderr);
-
-	optind = 0;
-	int c = getopt_long(COUNT_OF(test_argv), test_argv, "ab:", longopts, NULL);
-	// Exprected result: return '?', optopt is set to the offender
-	assert(c == '?');
-	assert(optopt == 'c');
-
-	fputs("Situation: we pass a non-existant short option in argv, while passing a leading colon in optstring\n", stderr);
-	optind = 0;
-
-	c = getopt_long(COUNT_OF(test_argv), test_argv, ":ab:", longopts, NULL);
-	// Exprected result: return '?', optopt is set to the offender
-	assert(c == '?');
-	assert(optopt == 'c');
-
-	fputs("Situation: we omit the required arg to a short option\n", stderr);
-	optind = 0;
-
-	c = getopt_long(COUNT_OF(test_argv), test_argv, "ab:c:", longopts, NULL);
-	// Exprected result: return '?', optopt is set to the offender
-	assert(c == '?');
-	assert(optopt == 'c');
-
-	fputs("Situation: we omit the required arg to a short option, while passing a leading colon in optstring\n", stderr);
-	optind = 0;
-
-	c = getopt_long(COUNT_OF(test_argv), test_argv, ":ab:c:", longopts, NULL);
-	// Exprected result: return ':', optopt is set to the offender
-	assert(c == ':');
-	assert(optopt == 'c');
-}
-
-void test3() {
-	const struct option longopts[] = {
-		{"foo", required_argument, NULL, 'f'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	char *test_argv[] = {
-		"dummy",
-		"-cmanagarm",
-	};
-
-	fputs("Situation: we pass a concatenated argument to a short option\n", stderr);
-
-	optind = 0;
-	int c = getopt_long(COUNT_OF(test_argv), test_argv, "ab:c:", longopts, NULL);
-	dump(c);
-	// Exprected result:
-	assert(c == 'c');
-	assert(!strcmp(optarg, "managarm"));
-}
-
-void test4() {
-	const struct option longopts[] = {
-		{"foo", required_argument, NULL, 'f'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	char *test_argv[] = {
-		"dummy",
-		"-acmanagarm",
-	};
-
-	fputs("Situation: we pass concatenated short options to getopt\n", stderr);
-
-	optind = 0;
-	int c = getopt_long(COUNT_OF(test_argv), test_argv, "ab:c:", longopts, NULL);
-	assert(c == 'a');
-
-	c = getopt_long(COUNT_OF(test_argv), test_argv, "ab:c:", longopts, NULL);
-	// Exprected result:
-	assert(c == 'c');
-	assert(!strcmp(optarg, "managarm"));
-}
-
-void test5() {
-	const struct option longopts[] = {
-		{"foo", required_argument, NULL, 'f'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	char *test_argv[] = {
-		"su",
-		"-",
-		"managarm",
-		0
-	};
-
-	int test_argc = 3;
-
-	fputs("Situation: testing `su - managarm`\n", stderr);
-
-	optind = 0;
-	int c = getopt_long(test_argc, test_argv, "ab:", longopts, NULL);
-	dump(c);
-	assert(c == -1);
-
-	if (optind < test_argc && !strcmp(test_argv[optind], "-")) {
-		++optind;
-	}
-
-	assert(optind < test_argc);
-	assert(!strcmp(test_argv[optind++], "managarm"));
-	assert(optind == test_argc);
-}
-
-void test6() {
-	char *test_argv[] = {
-		"telescope",
-		"gemini://electrode.codes",
-		"-S",
-		0
-	};
-
-	int test_argc = 3;
-	optind = 0;
-
-	const struct option longopts[] = {
-		{"colors",      no_argument,    NULL,   'C'},
-		{"colours",	no_argument,    NULL,   'C'},
-		{"help",	no_argument,	NULL,	'h'},
-		{"safe",	no_argument,	NULL,	'S'},
-		{"version",	no_argument,	NULL,	'v'},
-		{NULL,		0,		NULL,	0},
-	};
-
-	int c = getopt_long(test_argc, test_argv, "Cc:hnST:v", longopts, NULL);
-	dump(c);
-	assert(c == 'S');
-	assert(optind == 3);
-	assert(!optarg);
-}
-
-void test7() {
-	int c;
-
-	static const struct option options[] = {
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{ "version", no_argument, NULL, 'V' },
-		{}
-	};
-	const char *command;
-
-	char *test_argv[] = {
-		"udevadm",
-		"hwdb",
-		"--update",
-		0
-	};
-
-	int test_argc = 3;
-	setenv("POSIXLY_CORRECT", "1", 1);
-	optind = 0;
-
-	while ((c = getopt_long(test_argc, test_argv, "+dhV", options, NULL)) >= 0) {
-		switch (c) {
-			case 'd':
-				break;
-			case 'h':
-				break;
-			case 'V':
-				break;
-			default:
-				break;
-		}
-	}
-
-	dump(c);
-	command = test_argv[optind];
-	assert(command);
-	assert(!strcmp(command, "hwdb"));
-}
-
-void test8() {
-	const char *shortopts = "b:cde";
-
-	int foo = false;
-	int bar = false;
-
-	const struct option longopts[] = {
-		{"foo", required_argument, &foo, 'x'},
-		{"bar", required_argument, &bar, 'y'},
-		{NULL, no_argument, NULL, 0}
-	};
-
-	int test_argc = 6;
-
-	char *test_argv[] = {
-		"dummy",
-		"-foo",
-		"abc",
-		"-bar=def",
-		"ghi",
-		"jkl"
-	};
-
-	#ifdef __GLIBC__
-		optind = 0;
-	#else
-		optreset = 1;
-	#endif
-	optopt = 0;
-	int c = getopt_long_only(test_argc, test_argv, shortopts, longopts, NULL);
-	dump(c);
-	assert(foo && !c);
-	assert(optind == 3);
-
-	c = getopt_long_only(test_argc, test_argv, shortopts, longopts, NULL);
-	dump(c);
-	assert(bar && !c);
-	assert(optind == 4);
-}
-
-int main() {
-	test1();
-	test2();
-	test3();
-	test4();
-	test5();
-	test6();
-	test7();
-	test8();
-}
diff --git a/lib/mlibc/tests/glibc/gnu-basename.c b/lib/mlibc/tests/glibc/gnu-basename.c
deleted file mode 100644
index 9566532..0000000
--- a/lib/mlibc/tests/glibc/gnu-basename.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#define _GNU_SOURCE
-#include <assert.h>
-#include <string.h>
-
-#define test_string(x, expectval) assert(strcmp(basename(x), expectval) == 0)
-
-int main() {
-	test_string("/usr/lib", "lib");
-	test_string("/usr/", "");
-	test_string("/", "");
-	test_string(".", ".");
-	test_string("..", "..");
-}
diff --git a/lib/mlibc/tests/glibc/linux-syscall.c b/lib/mlibc/tests/glibc/linux-syscall.c
deleted file mode 100644
index 2760df4..0000000
--- a/lib/mlibc/tests/glibc/linux-syscall.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <sys/syscall.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-int main() {
-	char *data = "hello mlibc\n";
-	long ret = syscall(SYS_write, 1, data, strlen(data));
-	assert(ret == (long)strlen(data));
-
-	syscall(SYS_exit, 0);
-	abort();
-}
diff --git a/lib/mlibc/tests/linux/cpuset.c b/lib/mlibc/tests/linux/cpuset.c
deleted file mode 100644
index 3f55732..0000000
--- a/lib/mlibc/tests/linux/cpuset.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <sched.h>
-
-#define SET_SIZE 15
-
-int main() {
-	cpu_set_t *set = CPU_ALLOC(SET_SIZE);
-	size_t setsize = CPU_ALLOC_SIZE(SET_SIZE);
-
-	CPU_ZERO_S(setsize, set);
-
-	assert(!CPU_ISSET_S(11, setsize, set));
-
-	CPU_SET_S(11, setsize, set);
-	assert(CPU_ISSET_S(11, setsize, set));
-	assert(CPU_COUNT_S(setsize, set) == 1);
-
-	assert(!CPU_ISSET_S(CPU_SETSIZE - 1, setsize, set));
-
-	CPU_CLR_S(11, setsize, set);
-	assert(!CPU_ISSET_S(11, setsize, set));
-
-	CPU_FREE(set);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/linux/malloc-usable-size.c b/lib/mlibc/tests/linux/malloc-usable-size.c
deleted file mode 100644
index 3bb0394..0000000
--- a/lib/mlibc/tests/linux/malloc-usable-size.c
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <assert.h>
-#include <malloc.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-int main() {
-	void *p1 = malloc(1023);
-	fprintf(stderr, "size: %zu\n", malloc_usable_size(p1));
-	assert(malloc_usable_size(p1) >= 1023);
-	free(p1);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/linux/pthread_attr.c b/lib/mlibc/tests/linux/pthread_attr.c
deleted file mode 100644
index 4c1907c..0000000
--- a/lib/mlibc/tests/linux/pthread_attr.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <string.h>
-#include <signal.h>
-
-static void test_affinity() {
-	pthread_attr_t attr;
-	cpu_set_t set = {0};
-	assert(!pthread_attr_init(&attr));
-	assert(!pthread_attr_setaffinity_np(&attr, 1, &set));
-
-	cpu_set_t other_set = {0};
-	assert(!pthread_attr_getaffinity_np(&attr, 1, &set));
-
-	assert(!memcmp(&set, &other_set, sizeof(cpu_set_t)));
-
-	pthread_attr_destroy(&attr);
-}
-
-#if !defined(USE_HOST_LIBC) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 32)
-static void test_sigmask() {
-	pthread_attr_t attr;
-	sigset_t set;
-	sigemptyset(&set);
-	sigaddset(&set, SIGUSR1);
-#ifndef USE_HOST_LIBC
-	sigaddset(&set, SIGCANCEL);
-#endif
-
-	assert(!pthread_attr_init(&attr));
-	assert(!pthread_attr_setsigmask_np(&attr, &set));
-
-	sigset_t other_set;
-	sigemptyset(&other_set);
-
-	assert(!pthread_attr_getsigmask_np(&attr, &other_set));
-
-	assert(sigismember(&other_set, SIGUSR1));
-#ifndef USE_HOST_LIBC
-	// Test whether internal signals get filtered properly.
-	assert(!sigismember(&other_set, SIGCANCEL));
-#endif
-
-	pthread_attr_destroy(&attr);
-}
-
-static void *getattr_worker(void *arg) {
-	(void)arg;
-	return NULL;
-}
-
-static void test_getattrnp() {
-	pthread_attr_t attr;
-	size_t stacksize = PTHREAD_STACK_MIN;
-	assert(!pthread_attr_init(&attr));
-	assert(!pthread_attr_setstacksize(&attr, stacksize));
-
-	pthread_t thread;
-	assert(!pthread_create(&thread, &attr, getattr_worker, NULL));
-	assert(!pthread_getattr_np(thread, &attr));
-	size_t other_stacksize;
-	assert(!pthread_attr_getstacksize(&attr, &other_stacksize));
-	assert(other_stacksize == stacksize);
-	assert(!pthread_join(thread, NULL));
-
-	pthread_t own_thread = pthread_self();
-	void *stack;
-	assert(!pthread_getattr_np(own_thread, &attr));
-	assert(!pthread_attr_getstack(&attr, &stack, &other_stacksize));
-	assert(stack);
-	assert(other_stacksize);
-	// Check that we can read from the highest byte returned.
-	// pthread_getattr_np() should return the lowest byte
-	// of the stack.
-	printf("highest byte: %hhu\n", *(char *)(stack + other_stacksize - 1));
-
-	pthread_attr_destroy(&attr);
-}
-#endif // !defined(USE_HOST_LIBC) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 32)
-
-int main() {
-	test_affinity();
-#if !defined(USE_HOST_LIBC) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 32)
-	test_sigmask();
-	test_getattrnp();
-#endif
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/linux/pthread_setname_np.c b/lib/mlibc/tests/linux/pthread_setname_np.c
deleted file mode 100644
index 95c95c9..0000000
--- a/lib/mlibc/tests/linux/pthread_setname_np.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-#include <pthread.h>
-
-int main() {
-	int ret = pthread_setname_np(pthread_self(), "mlibc-test-123");
-	assert(!ret);
-
-	char buf[16];
-	ret = pthread_getname_np(pthread_self(), buf, 16);
-	assert(!ret);
-	assert(!strcmp("mlibc-test-123", buf));
-
-	ret = pthread_setname_np(pthread_self(), "mlibc-test-123-too-long");
-	assert(ret == ERANGE);
-
-	ret = pthread_getname_np(pthread_self(), buf, 1);
-	assert(ret == ERANGE);
-
-	ret = pthread_getname_np(pthread_self(), buf, 15);
-	assert(ret == ERANGE);
-
-	ret = pthread_getname_np(pthread_self(), buf, 16);
-	assert(!ret);
-	assert(!strcmp("mlibc-test-123", buf));
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/linux/xattr.c b/lib/mlibc/tests/linux/xattr.c
deleted file mode 100644
index c6dd152..0000000
--- a/lib/mlibc/tests/linux/xattr.c
+++ /dev/null
@@ -1,80 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/xattr.h>
-
-#define assert_perror(x)            \
-	({                          \
-		int res = (x);      \
-		if (res < 0) {      \
-			perror(#x); \
-			return 1;   \
-		}                   \
-		res;                \
-	})
-
-#define soft_assert(x, m)                                                   \
-	({                                                                  \
-		if (!(x)) {                                                 \
-			fprintf(stderr, "cond \"%s\" failed: %s\n", #x, m); \
-			return 1;                                           \
-		}                                                           \
-	})
-
-void remove_tmp(const char (*fname)[]) {
-	unlink(&(*fname)[0]);
-}
-#define _cleanup_file_ __attribute__((cleanup(remove_tmp)))
-
-int main(void) {
-	int ret;
-	char buf[32] = { 0 };
-	_cleanup_file_ char filename[] = "xattr_test.XXXXXX";
-	_cleanup_file_ char filename2[] = "xattr_test.XXXXXX.2";
-
-	int tmpfile = assert_perror(mkstemp(filename));
-	memcpy(filename2, filename, sizeof(filename) - 1);
-	assert_perror(symlink(filename, filename2));
-
-	assert_perror(setxattr(filename, "user.T1", "ABC", 3, XATTR_CREATE));
-	assert_perror(fsetxattr(tmpfile, "user.T2", "DEF", 3, XATTR_CREATE));
-
-	// for testing remove
-	assert_perror(fsetxattr(tmpfile, "user.T3", "DEF", 3, XATTR_CREATE));
-
-	if ((ret = getxattr(filename, "user.T1", buf, 3)) != 3) {
-		if (ret < 0) {
-			perror("getxattr");
-			return 1;
-		}
-
-		soft_assert(memcmp(buf, "ABC", 3) == 0, "xattr read wrong");
-	}
-
-	ret = lgetxattr(filename2, "user.T1", buf, 3);
-	soft_assert(ret < 0 && errno == ENODATA, "lgetxattr deref'd");
-
-	if ((ret = fgetxattr(tmpfile, "user.T3", buf, 3)) != 3) {
-		if (ret < 0) {
-			perror("fgetxattr");
-			return 1;
-		}
-
-		soft_assert(memcmp(buf, "DEF", 3) == 0, "xattr read wrong");
-	}
-
-	assert_perror(removexattr(filename, "user.T2"));
-	assert_perror(fremovexattr(tmpfile, "user.T3"));
-
-	ret = assert_perror(listxattr(filename, buf, sizeof(buf) - 1));
-	soft_assert(memmem(buf, ret, "user.T1", 7), "user.T1 not found");
-	soft_assert(!memmem(buf, ret, "user.T2", 7), "user.T2 found");
-	soft_assert(!memmem(buf, ret, "user.T3", 7), "user.T3 found");
-
-	ret = assert_perror(flistxattr(tmpfile, buf, sizeof(buf) - 1));
-	soft_assert(memmem(buf, ret, "user.T1", 7), "user.T1 not found");
-	soft_assert(!memmem(buf, ret, "user.T2", 7), "user.T2 found");
-	soft_assert(!memmem(buf, ret, "user.T3", 7), "user.T3 found");
-}
diff --git a/lib/mlibc/tests/meson.build b/lib/mlibc/tests/meson.build
deleted file mode 100644
index b7d65ca..0000000
--- a/lib/mlibc/tests/meson.build
+++ /dev/null
@@ -1,261 +0,0 @@
-timeout_sec = 10
-
-all_test_cases = [
-	'ansi/alloc',
-	'ansi/sscanf',
-	'ansi/sprintf',
-	'ansi/snprintf',
-	'ansi/utf8',
-	'ansi/strtol',
-	'ansi/strtof',
-	'ansi/abs',
-	'ansi/longjmp',
-	'ansi/mbrtoc32',
-	'ansi/strverscmp',
-	'ansi/strftime',
-	'ansi/strchr',
-	'ansi/strrchr',
-	'ansi/wcsrtombs',
-	'ansi/wmemcmp',
-	'ansi/timegm',
-	'ansi/ungetc',
-	'ansi/wcsdup',
-	'ansi/wcsncasecmp',
-	'ansi/fopen',
-	'ansi/memmem',
-	'ansi/creal-cimag',
-	'ansi/fenv',
-	'ansi/qsort',
-	'ansi/freopen',
-	'ansi/strxfrm',
-	'ansi/calloc',
-	'bsd/ns_get_put',
-	'bsd/reallocarray',
-	'bsd/strl',
-	'bsd/sbrk',
-	'posix/inet_ntop',
-	'posix/inet_pton',
-	'posix/access',
-	'posix/pthread_barrier',
-	'posix/pthread_rwlock',
-	'posix/pthread_cond',
-	'posix/pthread_create',
-	'posix/pthread_cancel',
-	'posix/pthread_atfork',
-	'posix/pthread_cleanup',
-	'posix/pthread_kill',
-	'posix/pthread_mutex',
-	'posix/pthread_key',
-	'posix/pthread_thread_local',
-	'posix/pthread_attr',
-	'posix/pthread_schedparam',
-	'posix/pwd',
-	'posix/fdopen',
-	'posix/fopencookie',
-	'posix/fmemopen',
-	'posix/getaddrinfo',
-	'posix/getdelim',
-	'posix/getnameinfo',
-	'posix/getservbyname',
-	'posix/getservbyport',
-	'posix/grp',
-	'posix/dprintf',
-	'posix/posix_memalign',
-	'posix/posix_spawn',
-	'posix/index',
-	'posix/rindex',
-	'posix/search',
-	'posix/open_memstream',
-	'posix/popen',
-	'posix/system', # This test should be in the ANSI tests, but it depends on sys/wait.h
-	'posix/sigsuspend',
-	'posix/sigaltstack',
-	'posix/time',
-	'posix/realpath',
-	'posix/ffs',
-	'posix/getcwd',
-	'posix/memrchr',
-	'posix/wordexp',
-	'posix/rlimits',
-	'posix/accept4',
-	'posix/setpriority',
-	'posix/alarm',
-	'posix/abort', # This test should be in the ANSI tests, but it depends on sigaction
-	'posix/timer',
-	'posix/vfork',
-	'posix/wcwidth',
-	'posix/pause',
-	'posix/flockfile',
-	'posix/basename',
-	'posix/regex',
-	'posix/sigtimedwait',
-	'posix/if_indextoname',
-	'posix/readv-writev',
-	'posix/posix-timer',
-	'posix/strdupa',
-	'posix/mkstemp',
-	'posix/waitid',
-	'glibc/getopt',
-	'glibc/ffsl-ffsll',
-	'glibc/error_message_count',
-	'glibc/error_one_per_line',
-	'glibc/error_print_progname',
-	'glibc/error_expect_fail',
-	'glibc/error',
-	'glibc/error_at_line',
-	'linux/xattr',
-	'linux/pthread_setname_np',
-	'linux/pthread_attr',
-	'linux/cpuset',
-	'linux/malloc-usable-size',
-]
-
-if host_machine.system() == 'linux'
-	all_test_cases += 'glibc/linux-syscall'
-endif
-
-fail_test_cases = [
-	'posix/abort',
-	'glibc/error_expect_fail',
-]
-
-wrapped_test_cases = [
-	'glibc/error',
-	'glibc/error_at_line',
-]
-
-host_libc_excluded_test_cases = [
-	'bsd/strl', # These functions do not exist on Linux.
-]
-host_libc_noasan_test_cases = [
-	'posix/pthread_cancel',
-	'posix/pthread_attr', # does some stack overflowing to check stack size
-	'posix/posix_memalign',
-	'posix/search', # requires tdelete (#351)
-	'ansi/calloc', # does some overflowing
-	'linux/pthread_attr', # encounters memory leaks
-]
-
-extra_cflags_test_cases = {
-	'ansi/calloc': ['-Wno-alloc-size-larger-than'],
-}
-
-test_sources = []
-test_link_args = []
-test_c_args = []
-use_pie = false
-
-test_c_args = []
-test_link_args = []
-
-# Our ubsan implementation can't be used by the tests themselves,
-# since it is internal to libc.so and ld.so.
-test_override_options = ['b_sanitize=none']
-
-if library_type == 'static'
-	libc_dep = declare_dependency(
-		include_directories: libc_include_dirs,
-		link_with: libc_static,
-		dependencies: [libc_deps, rtlib_deps]
-	)
-	use_pie = false
-	test_c_args += '-no-pie'
-	test_link_args += ['-no-pie', '-static']
-	test_sources += [
-		'../options/internal' / host_machine.cpu_family() / 'mlibc_crtbegin.S',
-		'../options/internal' / host_machine.cpu_family() / 'mlibc_crtend.S',
-		crt,
-	]
-else
-	libc_dep = declare_dependency(
-		include_directories: libc_include_dirs,
-		link_with: libc_shared,
-		dependencies: [libc_deps, rtlib_deps]
-	)
-	test_link_args += ['-Wl,--dynamic-linker=' + meson.build_root() + '/ld.so']
-
-	if host_machine.system() in ['linux']
-		use_pie = true
-		test_sources += crt_pie
-	else
-		use_pie = false
-		test_sources += crt
-
-		# Meson doesn't set these for us (issue #4651).
-		test_c_args += '-no-pie'
-		test_link_args += '-no-pie'
-	endif
-
-	# Add the rtdl tests.
-	if not disable_posix_option
-		subdir('rtdl')
-	endif
-endif
-
-py = import('python').find_installation('python3')
-
-foreach test_name : all_test_cases
-	test_subdir = test_name.split('/')[0]
-	test_short_name = test_name.split('/')[1]
-	test_exec_name = test_name.replace('/', '-')
-
-	if test_subdir == 'ansi' and disable_ansi_option
-		continue
-	elif test_subdir == 'bsd' and disable_bsd_option
-		continue
-	elif test_subdir == 'glibc' and disable_glibc_option
-		continue
-	elif test_subdir == 'posix' and disable_posix_option
-		continue
-	elif test_subdir == 'linux' and disable_linux_option
-		continue
-	endif
-
-	should_fail = fail_test_cases.contains(test_name)
-	exec = executable(test_exec_name, [test_name + '.c', test_sources],
-		dependencies: libc_dep,
-		build_rpath: meson.build_root(),
-		override_options: test_override_options,
-		c_args: test_c_args,
-		link_args: test_link_args,
-		pie: use_pie,
-	)
-
-	if wrapped_test_cases.contains(test_name)
-		test(test_short_name,
-			py,
-			suite: test_subdir,
-			should_fail: should_fail,
-			args: [
-				meson.source_root() + '/tests/' + test_name + '.py',
-				exec
-			],
-			timeout: timeout_sec,
-		)
-	else
-		test(test_short_name, exec, suite: test_subdir, should_fail: should_fail, timeout: timeout_sec)
-	endif
-
-	if build_tests_host_libc and not host_libc_excluded_test_cases.contains(test_name)
-		if test_name in host_libc_noasan_test_cases
-			host_libc_sanitize_options = 'b_sanitize=undefined'
-		else
-			host_libc_sanitize_options = 'b_sanitize=address,undefined'
-		endif
-
-		if test_name in extra_cflags_test_cases
-			extra_cflags = extra_cflags_test_cases[test_name]
-		else
-			extra_cflags = []
-		endif
-
-		exec = executable('host-libc-' + test_exec_name, test_name + '.c',
-			build_rpath: meson.build_root(),
-			override_options: host_libc_sanitize_options,
-			c_args: ['-D_GNU_SOURCE', '-DUSE_HOST_LIBC', '-pthread', extra_cflags],
-			link_args: ['-lresolv', '-ldl', '-pthread', '-lm', '-lrt'],
-			native: true,
-		)
-		test(test_short_name, exec, suite: ['host-libc', test_subdir], should_fail: should_fail, timeout: timeout_sec)
-	endif
-endforeach
diff --git a/lib/mlibc/tests/posix/abort.c b/lib/mlibc/tests/posix/abort.c
deleted file mode 100644
index 5f7bb7d..0000000
--- a/lib/mlibc/tests/posix/abort.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <signal.h>
-#include <assert.h>
-#include <stdlib.h>
-
-void handler(int sig, siginfo_t *info, void *ctx) {
-	(void)sig;
-	(void)info;
-	(void)ctx;
-}
-
-int main() {
-	struct sigaction sa;
-	sa.sa_sigaction = handler;
-	sa.sa_flags = SA_SIGINFO;
-	sigemptyset(&sa.sa_mask);
-
-	int ret = sigaction(SIGABRT, &sa, NULL);
-	assert(!ret);
-
-	abort();
-}
diff --git a/lib/mlibc/tests/posix/accept4.c b/lib/mlibc/tests/posix/accept4.c
deleted file mode 100644
index ba593ee..0000000
--- a/lib/mlibc/tests/posix/accept4.c
+++ /dev/null
@@ -1,123 +0,0 @@
-#include <unistd.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdbool.h>
-#include <errno.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_PORT 31337
-#else
-#define TEST_PORT 42069
-#endif
-
-static struct sockaddr_in connect_addr, accept_addr;
-static int listen_fd;
-
-int permutations[] = {
-	0,
-	SOCK_CLOEXEC,
-	SOCK_NONBLOCK,
-	SOCK_CLOEXEC | SOCK_NONBLOCK,
-};
-
-static bool run_test(int flags)
-{
-	int connect_fd;
-	int fd_flags, access;
-	socklen_t addrlen;
-
-	connect_fd = socket(AF_INET, SOCK_STREAM, 0);
-	connect(connect_fd, (struct sockaddr *)&connect_addr, sizeof(connect_addr));
-	addrlen = sizeof(accept_addr);
-
-	int accept_fd = accept4(listen_fd, (struct sockaddr *)&accept_addr, &addrlen, flags);
-
-	if(accept_fd == -1) {
-		fprintf(stderr, "accept4 failed: %s\n", strerror(errno));
-		goto cleanup;
-	}
-
-	fd_flags = fcntl(accept_fd, F_GETFD);
-	if(!(!!(fd_flags & FD_CLOEXEC) == !!(flags & SOCK_CLOEXEC))) {
-		fprintf(stderr, "CLOEXEC mismatch, got %d instead of %d\n", !!(fd_flags & FD_CLOEXEC), !!(flags & SOCK_CLOEXEC));
-		goto cleanup;
-	}
-
-	access = fcntl(accept_fd, F_GETFL);
-	if(!(!!(access & O_NONBLOCK) == !!(flags & SOCK_NONBLOCK))) {
-		fprintf(stderr, "NONBLOCK flag mismatch, %d vs %d\n", !!(access & O_NONBLOCK), !!(flags & SOCK_NONBLOCK));
-		goto cleanup;
-	}
-
-	close(accept_fd);
-	close(connect_fd);
-
-	fprintf(stderr, "tested CLOEXEC %d, NONBLOCK %d\n", !!(flags & SOCK_CLOEXEC), !!(flags & SOCK_NONBLOCK));
-	return true;
-
-cleanup:
-	close(accept_fd);
-	close(connect_fd);
-	return false;
-}
-
-static int socket_setup(void)
-{
-	struct sockaddr_in addr;
-	int reuseaddr;
-
-	memset(&addr, 0, sizeof(struct sockaddr_in));
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = htonl(INADDR_ANY);
-	addr.sin_port = htons(TEST_PORT);
-
-	int socket_fd = socket(AF_INET, SOCK_STREAM, 0);
-
-	if(socket_fd == -1) {
-		fprintf(stderr, "socket failed: %s\n", strerror(errno));
-		exit(1);
-	}
-
-	reuseaddr = 1;
-	int ret = setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &reuseaddr, sizeof(reuseaddr));
-
-	if(ret == -1) {
-		fprintf(stderr, "setsockopt failed: %s\n", strerror(errno));
-		exit(1);
-	}
-
-	ret = bind(socket_fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_in));
-
-	if(ret == -1) {
-		fprintf(stderr, "bind failed: %s\n", strerror(errno));
-		exit(1);
-	}
-
-	ret = listen(socket_fd, 5);
-
-	if(ret == -1) {
-		fprintf(stderr, "listen failed: %s\n", strerror(errno));
-		exit(1);
-	}
-
-	return socket_fd;
-}
-
-int main() {
-	memset(&connect_addr, 0, sizeof(connect_addr));
-	connect_addr.sin_family = AF_INET;
-	connect_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-	connect_addr.sin_port = htons(TEST_PORT);
-
-	for(size_t i = 0; i < 4; i++) {
-		listen_fd = socket_setup();
-		if(!run_test(permutations[i])) {
-			exit(1);
-		}
-		close(listen_fd);
-	}
-}
diff --git a/lib/mlibc/tests/posix/access.c b/lib/mlibc/tests/posix/access.c
deleted file mode 100644
index e0c9f45..0000000
--- a/lib/mlibc/tests/posix/access.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <fcntl.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "access-host-libc.tmp"
-#else
-#define TEST_FILE "access.tmp"
-#endif
-
-int main() {
-	// Make sure that it wasn't created by a previous test run
-	unlink(TEST_FILE);
-
-	assert(access(TEST_FILE, F_OK) == -1);
-	assert(access(TEST_FILE, W_OK) == -1);
-	assert(access(TEST_FILE, R_OK) == -1);
-	assert(access(TEST_FILE, X_OK) == -1);
-
-	close(open(TEST_FILE, O_CREAT | O_RDWR, 0666));
-
-	assert(access(TEST_FILE, F_OK) == 0);
-	assert(access(TEST_FILE, W_OK) == 0);
-	assert(access(TEST_FILE, R_OK) == 0);
-	assert(access(TEST_FILE, X_OK) == -1);
-
-	unlink(TEST_FILE);
-}
diff --git a/lib/mlibc/tests/posix/alarm.c b/lib/mlibc/tests/posix/alarm.c
deleted file mode 100644
index b8a43e3..0000000
--- a/lib/mlibc/tests/posix/alarm.c
+++ /dev/null
@@ -1,34 +0,0 @@
-#include <signal.h>
-#include <assert.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-static volatile int alarms_fired = 0;
-
-static void sigalrm_handler(int signal) {
-	if(signal == SIGALRM)
-		alarms_fired++;
-}
-
-int main() {
-	signal(SIGALRM, sigalrm_handler);
-
-	alarms_fired = 0;
-
-	unsigned int ret = alarm(10);
-	assert(!ret);
-
-	sleep(1);
-
-	ret = alarm(1);
-	assert(ret == 9);
-
-	sleep(2);
-
-	if(alarms_fired != 1) {
-		fprintf(stderr, "alarm handler fired %u times instead of 1\n", alarms_fired);
-		exit(1);
-	}
-}
diff --git a/lib/mlibc/tests/posix/basename.c b/lib/mlibc/tests/posix/basename.c
deleted file mode 100644
index 260bf90..0000000
--- a/lib/mlibc/tests/posix/basename.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <assert.h>
-#include <libgen.h>
-#include <string.h>
-
-int main() {
-	/* intentionally a macro: basename modifies its argument */
-#define test_string(x, expectval) do {                         \
-		char str[] = x;                                \
-		assert(strcmp(basename(str), expectval) == 0); \
-	} while (0)
-
-	test_string("/usr/lib", "lib");
-	test_string("/usr/", "usr");
-	test_string("/", "/");
-	test_string(".", ".");
-	test_string("..", "..");
-}
diff --git a/lib/mlibc/tests/posix/dprintf.c b/lib/mlibc/tests/posix/dprintf.c
deleted file mode 100644
index 4746edb..0000000
--- a/lib/mlibc/tests/posix/dprintf.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <assert.h>
-#include <errno.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "dprintf-host-libc.tmp"
-#else
-#define TEST_FILE "dprintf.tmp"
-#endif
-
-int main() {
-	int fd = open(TEST_FILE, O_RDWR | O_CREAT, 0666);
-	assert(fd > -1);
-
-	int ret = dprintf(fd, "aaa");
-	assert(ret == 3);
-
-	// Check if we can read back the same things.
-	// Also checks to see if the fd is still open,
-	// which is issue #199.
-
-	off_t seek = lseek(fd, 0, SEEK_SET);
-	assert(seek == 0);
-
-	char buf[3];
-	ssize_t num_read = read(fd, buf, 3);
-
-	assert(num_read == 3);
-	assert(buf[0] == 'a'
-		&& buf[1] == 'a'
-		&& buf[2] == 'a');
-
-	// All the tests pass, now we can unlink the file.
-	ret = unlink(TEST_FILE);
-	assert(ret == 0);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/fdopen.c b/lib/mlibc/tests/posix/fdopen.c
deleted file mode 100644
index 1066bfb..0000000
--- a/lib/mlibc/tests/posix/fdopen.c
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#define TEST_FILE "fdopen.tmp"
-
-int main() {
-	int fd = open(TEST_FILE, O_CREAT | O_RDWR, 0666);
-	assert(fd >= 0);
-
-	char *str = "mlibc fdopen test";
-	assert(write(fd, str, strlen(str)));
-
-	// Seek to the beginning, then reopen with fdopen in append mode.
-	lseek(fd, 0, SEEK_SET);
-	FILE *file = fdopen(fd, "a");
-	assert(file);
-
-	// Append and close.
-	str = " appended";
-	fwrite(str, strlen(str), 1, file);
-	fflush(file);
-	fclose(file);
-
-	// Open it again and check that the append succeeded.
-	fd = open(TEST_FILE, O_RDONLY);
-	assert(fd >= 0);
-	file = fdopen(fd, "r");
-	assert(file);
-	str = "mlibc fdopen test appended";
-	char buf[100] = {0};
-	assert(fread(buf, 1, strlen(str), file));
-	assert(!strcmp(buf, str));
-	fclose(file);
-}
diff --git a/lib/mlibc/tests/posix/ffs.c b/lib/mlibc/tests/posix/ffs.c
deleted file mode 100644
index 3f7ba84..0000000
--- a/lib/mlibc/tests/posix/ffs.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <assert.h>
-#include <strings.h>
-#include <limits.h>
-
-int main(void){
-    assert(ffs(0x8000) == 16);
-    assert(ffs(0) == 0);
-	assert(ffs(INT_MAX - 1) ==  2);
-	assert(ffs(INT_MAX) == 1);
-	assert(ffs(INT_MIN) == (int)(sizeof(int) * CHAR_BIT));
-	assert(ffs(INT_MIN + 1) == 1);
-
-	for (int i = 1; i < 0x1000; i++) {
-		assert(ffs(i) - 1 == __builtin_ctz(i));
-	}
-
-    return 0;
-}
diff --git a/lib/mlibc/tests/posix/flockfile.c b/lib/mlibc/tests/posix/flockfile.c
deleted file mode 100644
index 982311e..0000000
--- a/lib/mlibc/tests/posix/flockfile.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <assert.h>
-#include <time.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <unistd.h>
-
-static void *worker(void *arg) {
-	(void)arg;
-	flockfile(stdout);
-	fputs_unlocked("hello from worker", stdout);
-	funlockfile(stdout);
-	return NULL;
-}
-
-int main() {
-	// Check that recursive locking works.
-	assert(!ftrylockfile(stdout));
-	flockfile(stdout);
-	flockfile(stdout);
-	funlockfile(stdout);
-	funlockfile(stdout);
-	funlockfile(stdout);
-
-	assert(!ftrylockfile(stdout));
-
-	pthread_t thread;
-	int ret = pthread_create(&thread, NULL, &worker, NULL);
-	assert(!ret);
-
-	sleep(1);
-	funlockfile(stdout);
-
-	assert(!pthread_join(thread, NULL));
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/fmemopen.c b/lib/mlibc/tests/posix/fmemopen.c
deleted file mode 100644
index 4d5046e..0000000
--- a/lib/mlibc/tests/posix/fmemopen.c
+++ /dev/null
@@ -1,150 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define BUFFER0_SIZE 0x1000
-#define BUFFER1 "Hello world"
-#define BUFFER1_SIZE (sizeof(BUFFER1))
-
-int main() {
-	// test seek with mode "r"
-	FILE *f = fmemopen(NULL, BUFFER0_SIZE, "r");
-	assert(f);
-
-	int ret = fseek(f, 0, SEEK_END);
-	assert(!ret);
-	long pos = ftell(f);
-	fprintf(stderr, "pos = %ld\n", pos);
-	// Despite the fact that this is correct behavior (see below),
-	// this sometimes fails on glibc; newlib seems to get this wrong, too.
-	// to quote what posix says about it:
-	// > The stream shall also maintain the size of the current buffer contents;
-	// > use of fseek() or fseeko() on the stream with SEEK_END shall seek relative to this size.
-	// > For modes r and r+ the size shall be set to the value given by the size argument.
-#if !defined(__GLIBC__)
-	assert(pos == BUFFER0_SIZE);
-#endif
-
-	fclose(f);
-
-	// test seek with mode "w"
-	f = fmemopen(NULL, BUFFER0_SIZE, "w");
-	assert(f);
-
-	ret = fseek(f, 0, SEEK_END);
-	assert(!ret);
-	pos = ftell(f);
-	assert(pos == 0);
-
-	fclose(f);
-
-	// test seek with mode "a" and a NULL buffer
-	f = fmemopen(NULL, BUFFER0_SIZE, "a");
-	assert(f);
-
-	ret = fseek(f, 0, SEEK_END);
-	assert(!ret);
-	pos = ftell(f);
-	assert(pos == 0);
-
-	fclose(f);
-
-	// test seek with mode "a" and a buffer containing a '\0'
-	f = fmemopen(BUFFER1, BUFFER1_SIZE + 2, "a");
-	assert(f);
-
-	pos = ftell(f);
-	assert(pos == (long) (BUFFER1_SIZE - 1));
-
-	ret = fseek(f, 0, SEEK_SET);
-	assert(!ret);
-	pos = ftell(f);
-	assert(!pos);
-
-	ret = fseek(f, 0, SEEK_END);
-	assert(!ret);
-	pos = ftell(f);
-	assert(pos == (long) (BUFFER1_SIZE - 1));
-
-	fclose(f);
-
-	// test seek with mode "a" and a buffer not containing a '\0'
-	f = fmemopen(BUFFER1, BUFFER1_SIZE - 2, "a");
-	assert(f);
-
-	ret = fseek(f, 0, SEEK_END);
-	assert(!ret);
-	pos = ftell(f);
-	assert(pos == (long) (BUFFER1_SIZE - 2));
-
-	fclose(f);
-
-	f = fmemopen(BUFFER1, BUFFER1_SIZE, "r");
-	assert(f);
-
-	ret = fseek(f, 0, SEEK_SET);
-	assert(!ret);
-
-	char buf[BUFFER1_SIZE];
-	int read = fread(buf, 1, BUFFER1_SIZE - 2, f);
-	assert(read == BUFFER1_SIZE - 2);
-	assert(!strncmp(BUFFER1, buf, BUFFER1_SIZE - 2));
-
-	fseek(f, 0, SEEK_END);
-
-	read = fread(buf, 1, 2, f);
-	assert(read == 0);
-	assert(feof(f));
-
-	fclose(f);
-
-	// Open a buffer for read+write
-	char *buf1 = strdup(BUFFER1);
-	f = fmemopen(buf1, BUFFER1_SIZE, "w+");
-	assert(f);
-	assert(strlen(BUFFER1) == BUFFER1_SIZE - 1);
-
-	// seek to somewhere in the middle of the buffer
-	fseek(f, BUFFER1_SIZE - 5, SEEK_SET);
-	// write as much data to it as possible
-	read = fwrite(BUFFER1, 1, 9, f);
-	rewind(f);
-
-	// seek the the same position in the middle of the buffer
-	ret = fseek(f, BUFFER1_SIZE - 5, SEEK_SET);
-	assert(!ret);
-	memset(buf, 0, BUFFER1_SIZE);
-	// read what we just wrote
-	read = fread(buf, 1, 5, f);
-	// check that the write got correctly truncated
-	fprintf(stderr, "buf '%s' (%zu)\n", buf, strlen(buf));
-	assert(!strncmp(BUFFER1, buf, 4) && strlen(buf) == 4);
-
-	fclose(f);
-	free(buf1);
-
-	char *buf2 = strdup(BUFFER1);
-	f = fmemopen(buf2, 0, "r");
-	assert(f || errno == EINVAL);
-
-	if(f) {
-		memset(buf, 0, BUFFER1_SIZE);
-		read = fread(buf, 10, 1, f);
-		assert(!read);
-		rewind(f);
-
-		read = fwrite(BUFFER1, 1, 12, f);
-		assert(read == 0);
-
-		fclose(f);
-	}
-	free(buf2);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/fopencookie.c b/lib/mlibc/tests/posix/fopencookie.c
deleted file mode 100644
index 4325038..0000000
--- a/lib/mlibc/tests/posix/fopencookie.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <assert.h>
-#include <stdbool.h>
-#include <stdio.h>
-
-struct testcookie {
-	bool read;
-	bool write;
-	bool seek;
-	bool close;
-};
-
-ssize_t cookie_read(void *c, char *buf, size_t size) {
-	(void) buf;
-	struct testcookie *cookie = c;
-	cookie->read = true;
-	return size;
-}
-
-ssize_t cookie_write(void *c, const char *buf, size_t size) {
-	(void) buf;
-	struct testcookie *cookie = c;
-	cookie->write = true;
-	return size;
-}
-
-int cookie_seek(void *c, off64_t *offset, int whence) {
-	(void) offset;
-	(void) whence;
-	struct testcookie *cookie = c;
-	cookie->seek = true;
-	return 0;
-}
-
-int cookie_close(void *c) {
-	struct testcookie *cookie = c;
-	cookie->close = true;
-	return 0;
-}
-
-int main() {
-	struct testcookie cookie = { false, false, false, false };
-
-	cookie_io_functions_t funcs = {
-		.read = cookie_read,
-		.write = cookie_write,
-		.seek = cookie_seek,
-		.close = cookie_close,
-	};
-
-	FILE *stream = fopencookie(&cookie, "w+", funcs);
-	assert(stream);
-
-	unsigned char buf[1];
-	int ret = fread(buf, 1, 1, stream);
-	assert(ret == 1);
-	ret = fwrite(buf, 1, 1, stream);
-	assert(ret == 1);
-	ret = fseek(stream, 0, SEEK_SET);
-	assert(!ret);
-
-	ret = fclose(stream);
-	assert(!ret);
-
-	assert(cookie.read && cookie.write && cookie.seek && cookie.close);
-}
diff --git a/lib/mlibc/tests/posix/getaddrinfo.c b/lib/mlibc/tests/posix/getaddrinfo.c
deleted file mode 100644
index d52c93f..0000000
--- a/lib/mlibc/tests/posix/getaddrinfo.c
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <netdb.h>
-#include <assert.h>
-#include <stddef.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <stdio.h>
-
-int main() {
-	struct addrinfo *res = NULL;
-	struct addrinfo hints = {0};
-	hints.ai_family = AF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_protocol = IPPROTO_TCP;
-
-	int ret = getaddrinfo(NULL, "443", &hints, &res);
-	assert(ret == 0);
-
-	struct sockaddr_in *addr = (struct sockaddr_in*)(res[0].ai_addr);
-	assert(addr->sin_port == htons(443));
-	assert(res[0].ai_socktype == SOCK_STREAM);
-	assert(res[0].ai_protocol == IPPROTO_TCP);
-
-	freeaddrinfo(res);
-	res = NULL;
-
-	/* check we can resolve any domain */
-	ret = getaddrinfo("example.net", NULL, &hints, &res);
-	assert(ret == 0);
-
-	freeaddrinfo(res);
-	res = NULL;
-
-	hints.ai_flags = AI_NUMERICHOST;
-	ret = getaddrinfo("10.10.10.10", NULL, &hints, &res);
-	assert(ret == 0);
-
-	addr = (struct sockaddr_in*)res[0].ai_addr;
-	assert((addr->sin_addr.s_addr & 0xFF) == 10);
-	assert(((addr->sin_addr.s_addr >> 8) & 0xFF) == 10);
-	assert(((addr->sin_addr.s_addr >> 16) & 0xFF) == 10);
-	assert(((addr->sin_addr.s_addr >> 24) & 0xFF) == 10);
-
-	freeaddrinfo(res);
-	res = NULL;
-
-	ret = getaddrinfo("example.net", NULL, &hints, &res);
-	assert(ret == EAI_NONAME);
-
-	freeaddrinfo(res);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/getcwd.c b/lib/mlibc/tests/posix/getcwd.c
deleted file mode 100644
index f3ba8da..0000000
--- a/lib/mlibc/tests/posix/getcwd.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <assert.h>
-#include <limits.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-int main() {
-	char buf[PATH_MAX];
-	char *ret = getcwd(buf, PATH_MAX);
-
-	assert(ret);
-	assert((strlen(ret) == strlen(buf)) && strlen(ret));
-	assert(!strcmp(ret, buf));
-
-	char *ret2 = getcwd(NULL, 0);
-	assert(ret2);
-	assert(strlen(ret2));
-	assert(!strcmp(ret, ret2));
-	free(ret2);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/getdelim.c b/lib/mlibc/tests/posix/getdelim.c
deleted file mode 100644
index bc43ef6..0000000
--- a/lib/mlibc/tests/posix/getdelim.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <unistd.h>
-#include <string.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "getdelim-host-libc.tmp"
-#else
-#define TEST_FILE "getdelim.tmp"
-#endif
-
-int main(void) {
-	FILE *fp;
-	char *line = NULL;
-	size_t len = 0;
-	ssize_t read;
-
-	// We have to open the file for writing and then reading separately,
-	// as mlibc doesn't allow us to do both at the same time (yet).
-	fp = fopen(TEST_FILE, "w");
-	assert(fp);
-	fputs("foo\nbar\nbaz\nquux\n", fp);
-	fclose(fp);
-
-	fp = fopen(TEST_FILE, "r");
-	assert(fp);
-	while ((read = getline(&line, &len, fp)) != -1) {
-		printf("read line of length %zd, capacity %zu\n", read, len);
-	}
-	assert(!ferror(fp));
-	free(line);
-	fclose(fp);
-
-	size_t nchars = 10000;
-	fp = fopen(TEST_FILE, "w");
-	assert(fp);
-	for (size_t i = 0; i < nchars; i++)
-		fputc('a', fp);
-	fputc('b', fp);
-	fclose(fp);
-
-	line = NULL;
-	len = 0;
-	fp = fopen(TEST_FILE, "r");
-	assert(fp);
-	while ((read = getdelim(&line, &len, 'b', fp)) != -1) {
-		printf("read line of length %zd, capacity %zu\n", read, len);
-		assert((size_t)read == nchars + 1);
-	}
-
-	assert(len > nchars + 1);
-	assert(!ferror(fp));
-	assert(feof(fp));
-
-	assert(getdelim(&line, &len, 'b', fp) == -1);
-	assert(feof(fp));
-
-	free(line);
-	fclose(fp);
-
-	fp = fopen(TEST_FILE, "w");
-	assert(fp);
-	assert(fwrite("1234ef\0f", 1, 8, fp) == 8);
-	fclose(fp);
-
-	fp = fopen(TEST_FILE, "r");
-	assert(fp);
-
-	/* test with line = NULL and large len */
-	line = NULL;
-	len = (size_t) ~0;
-	assert(getdelim(&line, &len, 'e', fp) == 5);
-	assert(!memcmp(line, "1234e", 6));
-	assert(5 < len);
-
-	/* test handling of internal nulls */
-	assert(getdelim(&line, &len, 'e', fp) == 3);
-	assert(!memcmp(line, "f\0f", 4));
-	assert(3 < len);
-
-	/* test handling of EOF */
-	assert(getdelim(&line, &len, 'e', fp) == -1);
-
-	free(line);
-	fclose(fp);
-
-	// Delete the file
-	unlink(TEST_FILE);
-}
diff --git a/lib/mlibc/tests/posix/getnameinfo.c b/lib/mlibc/tests/posix/getnameinfo.c
deleted file mode 100644
index d22a0eb..0000000
--- a/lib/mlibc/tests/posix/getnameinfo.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <netdb.h>
-#include <assert.h>
-#include <arpa/inet.h>
-#include <stddef.h>
-#include <string.h>
-
-int main() {
-	struct sockaddr_in addr;
-	addr.sin_family = AF_INET;
-	assert(inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr));
-
-	char host[64];
-	assert(!getnameinfo((struct sockaddr*)&addr, sizeof(addr), host,
-				sizeof(host), NULL, 0, 0));
-
-	assert(inet_pton(AF_INET, "8.8.8.8", &addr.sin_addr));
-
-	assert(!getnameinfo((struct sockaddr*)&addr, sizeof(addr), host,
-				sizeof(host), NULL, 0, 0));
-	assert(!strcmp(host, "dns.google"));
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/getservbyname.c b/lib/mlibc/tests/posix/getservbyname.c
deleted file mode 100644
index 8c51710..0000000
--- a/lib/mlibc/tests/posix/getservbyname.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <assert.h>
-#include <netdb.h>
-#include <string.h>
-#include <arpa/inet.h>
-
-int main() {
-	struct servent *ret = getservbyname("http", "tcp");
-	assert(ret);
-	assert(!strcmp("http", ret->s_name));
-	assert(ret->s_port == htons(80));
-	assert(!strcmp("tcp", ret->s_proto));
-
-	ret = getservbyname("http", NULL);
-	assert(ret);
-	assert(!strcmp("http", ret->s_name));
-	assert(ret->s_port == htons(80));
-	assert(!strcmp("tcp", ret->s_proto));
-
-	ret = getservbyname("babel", "udp");
-	assert(ret);
-	ret = getservbyname("babel", "tcp");
-	assert(!ret);
-
-	ret = getservbyname("", NULL);
-	assert(!ret);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/getservbyport.c b/lib/mlibc/tests/posix/getservbyport.c
deleted file mode 100644
index f522d71..0000000
--- a/lib/mlibc/tests/posix/getservbyport.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <string.h>
-#include <assert.h>
-#include <stdio.h>
-
-int main() {
-	struct servent *ret = getservbyport(htons(80), "tcp");
-	assert(ret);
-	assert(!strcmp("http", ret->s_name));
-	assert(ret->s_port == htons(80));
-	assert(!strcmp("tcp", ret->s_proto));
-
-	ret = getservbyport(htons(80), NULL);
-	assert(ret);
-	assert(!strcmp("http", ret->s_name));
-	assert(ret->s_port == htons(80));
-	assert(!strcmp("tcp", ret->s_proto));
-
-	ret = getservbyport(htons(6696), "udp");
-	assert(ret);
-	ret = getservbyport(htons(6696), "tcp");
-	assert(!ret);
-
-	ret = getservbyport(htons(0), NULL);
-	assert(!ret);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/grp.c b/lib/mlibc/tests/posix/grp.c
deleted file mode 100644
index 3d334fe..0000000
--- a/lib/mlibc/tests/posix/grp.c
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <grp.h>
-#include <unistd.h>
-#include <assert.h>
-#include <string.h>
-#include <errno.h>
-#include <stdbool.h>
-
-void check_root_group(struct group *grp) {
-	assert(grp);
-
-	printf("group name: %s\n", grp->gr_name);
-	fflush(stdout);
-
-	assert(grp->gr_gid == 0);
-	assert(!strcmp(grp->gr_name, "root"));
-
-	// Depending on your system, the root group may or may not contain the root user.
-	if (grp->gr_mem[0] != NULL) {
-		bool found = false;
-		for (size_t i = 0; grp->gr_mem[i] != NULL; i++) {
-			printf("group member: %s\n", grp->gr_mem[i]);
-			fflush(stdout);
-
-			if (!strcmp(grp->gr_mem[i], "root")) {
-				found = true;
-				break;
-			}
-		}
-		assert(found);
-	}
-}
-
-int main()
-{
-	struct group grp, *result = NULL;
-	char *buf;
-	size_t bufsize;
-	int s;
-	bool password = false;
-
-	bufsize = sysconf(_SC_GETGR_R_SIZE_MAX);
-	assert(bufsize > 0 && bufsize < 0x100000);
-
-	buf = malloc(bufsize);
-	assert(buf);
-
-	s = getgrnam_r("root", &grp, buf, bufsize, &result);
-	assert(!s);
-	check_root_group(result);
-
-	s = getgrgid_r(0, &grp, buf, bufsize, &result);
-	assert(!s);
-	check_root_group(result);
-
-	result = getgrnam("root");
-	check_root_group(result);
-
-	result = getgrgid(0);
-	check_root_group(result);
-
-	result = getgrnam("this_group_doesnt_exist");
-	assert(!result);
-#ifndef USE_HOST_LIBC
-	// This is not guaranteed.
-	assert(errno == ESRCH);
-#endif
-
-	s = getgrnam_r("this_group_doesnt_exist", &grp, buf, bufsize, &result);
-	assert(!result);
-#ifndef USE_HOST_LIBC
-	// This is not guaranteed.
-	assert(s == ESRCH);
-#endif
-
-	errno = 0;
-	setgrent();
-	assert(errno == 0);
-
-	result = getgrent();
-	assert(result);
-	grp.gr_name = strdup(result->gr_name);
-	if(result->gr_passwd) {
-		password = true;
-	}
-	grp.gr_passwd = strdup(result->gr_passwd);
-	grp.gr_gid = result->gr_gid;
-	assert(grp.gr_name);
-	if(password)
-		assert(grp.gr_passwd);
-
-	assert(grp.gr_name);
-	if(password)
-		assert(grp.gr_passwd);
-
-	endgrent();
-
-	result = getgrent();
-	assert(result);
-	assert(strcmp(result->gr_name, grp.gr_name) == 0);
-	if(password)
-		assert(strcmp(result->gr_passwd, grp.gr_passwd) == 0);
-	assert(result->gr_gid == grp.gr_gid);
-
-	free(grp.gr_name);
-	if(password)
-		free(grp.gr_passwd);
-	free(buf);
-}
diff --git a/lib/mlibc/tests/posix/if_indextoname.c b/lib/mlibc/tests/posix/if_indextoname.c
deleted file mode 100644
index 15dc12a..0000000
--- a/lib/mlibc/tests/posix/if_indextoname.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <assert.h>
-#include <net/if.h>
-#include <stdio.h>
-
-int main() {
-	char name[IF_NAMESIZE];
-
-	assert(name == if_indextoname(1, name));
-	printf("test: name '%s'\n", name);
-	assert(1 == if_nametoindex(name));
-}
diff --git a/lib/mlibc/tests/posix/index.c b/lib/mlibc/tests/posix/index.c
deleted file mode 100644
index 63be75d..0000000
--- a/lib/mlibc/tests/posix/index.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <assert.h>
-#include <strings.h>
-#include <stddef.h>
-
-int main() {
-  char str[] = "This is a sample string";
-  char *pch;
-  // The character 's' is at position 4, 7, 11 and 18
-  pch = index(str, 's');
-  assert(pch - str + 1 == 4);
-  pch = index(pch + 1, 's');
-  assert(pch - str + 1 == 7);
-  pch = index(pch + 1, 's');
-  assert(pch - str + 1 == 11);
-  pch = index(pch + 1, 's');
-  assert(pch - str + 1 == 18);
-  pch = index(pch + 1, 's');
-  assert(pch == NULL);
-  return 0;
-}
diff --git a/lib/mlibc/tests/posix/inet_ntop.c b/lib/mlibc/tests/posix/inet_ntop.c
deleted file mode 100644
index feca26c..0000000
--- a/lib/mlibc/tests/posix/inet_ntop.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <arpa/inet.h>
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	struct in_addr addr;
-	addr.s_addr = (1 << 24) |
-		(1 << 16) | (1 << 8) | 1;
-	char buf[INET_ADDRSTRLEN];
-	assert(inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN) != NULL);
-	assert(strncmp("1.1.1.1", buf, INET_ADDRSTRLEN) == 0);
-
-	struct in6_addr addr2 = { .s6_addr = {0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1} };
-	char buf2[INET6_ADDRSTRLEN];
-	assert(inet_ntop(AF_INET6, &addr2, buf2, INET6_ADDRSTRLEN) != NULL);
-	assert(strncmp("2001:db8::1:0:0:1", buf2, INET6_ADDRSTRLEN) == 0);
-
-	struct in6_addr addr3 = { .s6_addr = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1} };
-	char buf3[INET6_ADDRSTRLEN];
-	assert(inet_ntop(AF_INET6, &addr3, buf3, INET6_ADDRSTRLEN) != NULL);
-	assert(strncmp("::1", buf3, INET6_ADDRSTRLEN) == 0);
-
-	struct in6_addr addr4 = { .s6_addr = {0x20, 0x1, 0xd, 0xb8, 00, 00, 00, 0x1, 00, 0x1, 00, 0x1, 00, 0x1, 00, 0x1} };
-	char buf4[INET6_ADDRSTRLEN];
-	assert(inet_ntop(AF_INET6, &addr4, buf4, INET6_ADDRSTRLEN) != NULL);
-	assert(strncmp("2001:db8:0:1:1:1:1:1", buf4, INET6_ADDRSTRLEN) == 0);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/inet_pton.c b/lib/mlibc/tests/posix/inet_pton.c
deleted file mode 100644
index 6c0f342..0000000
--- a/lib/mlibc/tests/posix/inet_pton.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <arpa/inet.h>
-#include <assert.h>
-
-int main() {
-	struct in_addr addr;
-	assert(inet_pton(AF_INET, "1.1.1.1", &addr));
-	assert((addr.s_addr & 0xFF) == 1);
-	assert(((addr.s_addr >> 8) & 0xFF) == 1);
-	assert(((addr.s_addr >> 16) & 0xFF) == 1);
-	assert(((addr.s_addr >> 24) & 0xFF) == 1);
-
-	assert(!inet_pton(AF_INET, "256.999.1234.555", &addr));
-	assert(!inet_pton(AF_INET, "a.b.c.d", &addr));
-	return 0;
-}
-
diff --git a/lib/mlibc/tests/posix/memrchr.c b/lib/mlibc/tests/posix/memrchr.c
deleted file mode 100644
index 99e3e25..0000000
--- a/lib/mlibc/tests/posix/memrchr.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-int main () {
-	char str[] = "The Last Supper by Leonardo da Vinci";
-	char *str_temp;
-
-	// Test strstr
-	str_temp = strstr(str, "Supper"); /* Find a substring in the string */
-	assert(!strcmp(str_temp, "Supper by Leonardo da Vinci"));
-
-	/* Following calls use memory APIs for the above tasks */
-	// Test memchr
-	str_temp = (char *)memchr((void *)str, 'L', strlen(str));
-	assert(!strcmp(str_temp, "Last Supper by Leonardo da Vinci"));
-
-	// Test memrchr
-	str_temp = (char *)memrchr((void *)str, 'L', strlen(str));
-	assert(!strcmp(str_temp, "Leonardo da Vinci"));
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/mkstemp.c b/lib/mlibc/tests/posix/mkstemp.c
deleted file mode 100644
index d06783e..0000000
--- a/lib/mlibc/tests/posix/mkstemp.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-
-void validate_pattern(char *p) {
-	assert(memcmp(p, "XXXXXX", 6));
-	assert(memchr(p, 0, 6) == NULL);
-
-	for (int i = 0; i < 6; i++) {
-		assert(isalnum(p[i]));
-	}
-}
-
-int main() {
-	int ret;
-
-	// Make sure the patterns themselves cannot be chosen.  This
-	// *could* happen on glibc, or if we widen the character set
-	// used for generating random names. Odds are 1 in 60 billion,
-	// but I'd rather not worry about this.
-	ret = open("prefixXXXXXX", O_RDWR | O_CREAT | O_EXCL, 0600);
-	assert(ret >= 0 || (ret == -1 && errno == EEXIST));
-	ret = open("longprefixXXXXXXlongsuffix", O_RDWR | O_CREAT | O_EXCL, 0600);
-	assert(ret >= 0 || (ret == -1 && errno == EEXIST));
-
-	ret = mkstemp("short");
-	assert(ret == -1);
-	assert(errno == EINVAL);
-
-	ret = mkstemp("lessthan6XXX");
-	assert(ret == -1);
-	assert(errno == EINVAL);
-
-	ret = mkstemps("lessthan6XXXswithsuffix", 11);
-	assert(ret == -1);
-	assert(errno == EINVAL);
-
-	char *p = strdup("prefixXXXXXX");
-	ret = mkstemp(p);
-	// We can't really protect against EEXIST...
-	assert(ret >= 0 || (ret == -1 && errno == EEXIST));
-	assert(!memcmp(p, "prefix", 6));
-	assert(p[12] == 0);
-	validate_pattern(p + 6);
-
-	if (ret >= 0) {
-		ret = close(ret);
-		assert(!ret);
-	}
-	free(p);
-
-	p = strdup("longprefixXXXXXXlongsuffix");
-	ret = mkstemps(p, 10);
-	// We can't really protect against EEXIST...
-	assert(ret >= 0 || (ret == -1 && errno == EEXIST));
-	assert(!memcmp(p, "longprefix", 10));
-	assert(!memcmp(p + 16, "longsuffix", 10));
-	assert(p[26] == 0);
-	validate_pattern(p + 10);
-
-	if (ret >= 0) {
-		ret = close(ret);
-		assert(!ret);
-	}
-	free(p);
-}
diff --git a/lib/mlibc/tests/posix/open_memstream.c b/lib/mlibc/tests/posix/open_memstream.c
deleted file mode 100644
index 0347003..0000000
--- a/lib/mlibc/tests/posix/open_memstream.c
+++ /dev/null
@@ -1,65 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#define WRITE_NO 1024
-
-int main() {
-	size_t size;
-	char *buf;
-
-	FILE *fp = open_memstream(&buf, &size);
-	assert(fp);
-
-	char c = 'A';
-	for (size_t i = 0; i < WRITE_NO; i++)
-		assert(fwrite(&c, sizeof(char), 1, fp) == 1);
-
-	// Flush the file to update the pointers.
-	assert(!fflush(fp));
-
-	assert(size == WRITE_NO);
-	for (size_t i = 0; i < size; i++)
-		assert(buf[i] == c);
-
-	// Check if the stream maintains a null-bye at the end.
-	assert(buf[size] == '\0');
-
-	// Stream should be expanded, size should be == 2*WRITE_NO.
-	assert(!fseek(fp, WRITE_NO, SEEK_END));
-	assert(!fflush(fp));
-	assert(size == 2*WRITE_NO);
-	assert(buf[size] == '\0');
-
-	// Check if it's filled with zero's.
-	for (size_t i = WRITE_NO; i < size; i++)
-		assert(buf[i] == '\0');
-
-	// Go back and overwrite the 0's with 'B'.
-	assert(!fseek(fp, -WRITE_NO, SEEK_CUR));
-	c = 'B';
-	for (size_t i = 0; i < WRITE_NO; i++)
-		assert(fwrite(&c, sizeof(char), 1, fp) == 1);
-
-	// Check if that happened.
-	assert(size == 2*WRITE_NO);
-	for (size_t i = WRITE_NO; i < size; i++)
-		assert(buf[i] == c);
-	assert(buf[size] == '\0');
-
-	// Go to the front and write 'B'.
-	assert(!fseek(fp, 0, SEEK_SET));
-	for (size_t i = 0; i < WRITE_NO; i++)
-		assert(fwrite(&c, sizeof(char), 1, fp) == 1);
-
-	// Check if that happened.
-	assert(size == 2*WRITE_NO);
-	for (size_t i = 0; i < size; i++)
-		assert(buf[i] == c);
-	assert(buf[size] == '\0');
-
-	// Close the file, we have tested everything.
-	assert(!fclose(fp));
-	free(buf);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pause.c b/lib/mlibc/tests/posix/pause.c
deleted file mode 100644
index 054c5a4..0000000
--- a/lib/mlibc/tests/posix/pause.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <assert.h>
-#include <signal.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <sys/wait.h>
-
-static void noop(int x) {
-	(void)x;
-}
-
-int main() {
-	signal(SIGUSR1, &noop);
-
-	int pid;
-	switch(pid = fork()) {
-	case -1:
-		perror("fork");
-		abort();
-	case 0:
-		pause();
-		assert(errno == EINTR);
-		return 0;
-	default:
-		while (1) {
-			usleep(100);
-			kill(pid, SIGUSR1);
-			usleep(100);
-			int status;
-
-			errno = 0;
-			if (waitpid(-1, &status, WNOHANG) <= 0) {
-				if (errno && errno != EAGAIN) {
-					perror("wait");
-					kill(pid, SIGKILL);
-				}
-				continue;
-			}
-
-			if (!WIFEXITED(status)) {
-				printf("wait returned %x\n", status);
-				abort();
-			}
-
-			return WEXITSTATUS(status);
-		}
-	}
-}
diff --git a/lib/mlibc/tests/posix/popen.c b/lib/mlibc/tests/posix/popen.c
deleted file mode 100644
index 87bbde2..0000000
--- a/lib/mlibc/tests/posix/popen.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <unistd.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "popen-host-libc.tmp"
-#else
-#define TEST_FILE "popen.tmp"
-#endif
-
-#define TEST_STRING1 "the quick brown fox jumps over the lazy dog"
-#define TEST_STRING1_LEN 43
-#define TEST_STRING2 "Lorem ipsum dolor sit amet, consectetur adipiscing elit"
-#define TEST_STRING2_LEN 55
-
-int main() {
-	// Test reading
-	FILE *f1 = popen("echo -n '" TEST_STRING1 "'", "r");
-	assert(f1);
-	char buf1[TEST_STRING1_LEN];
-	assert(fread(buf1, 1, TEST_STRING1_LEN, f1) == TEST_STRING1_LEN);
-	assert(memcmp(buf1, TEST_STRING1, TEST_STRING1_LEN) == 0);
-	pclose(f1);
-
-	// Test writing
-	FILE *f2 = popen("cat - > " TEST_FILE, "w");
-	assert(f2);
-	assert(fwrite(TEST_STRING2, 1, TEST_STRING2_LEN, f2) == TEST_STRING2_LEN);
-	pclose(f2);
-
-	// Read test file back
-	FILE *test_file = fopen(TEST_FILE, "r");
-	assert(test_file);
-	char buf2[TEST_STRING2_LEN];
-	assert(fread(buf2, 1, TEST_STRING2_LEN, test_file) == TEST_STRING2_LEN);
-	assert(memcmp(buf2, TEST_STRING2, TEST_STRING2_LEN) == 0);
-	fclose(test_file);
-	assert(unlink(TEST_FILE) == 0);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/posix-timer.c b/lib/mlibc/tests/posix/posix-timer.c
deleted file mode 100644
index d097818..0000000
--- a/lib/mlibc/tests/posix/posix-timer.c
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <assert.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <time.h>
-
-int main() {
-	struct sigevent evp;
-	memset(&evp, 0, sizeof(evp));
-
-	sigset_t set;
-	sigemptyset(&set);
-	sigaddset(&set, SIGUSR1);
-	sigprocmask(SIG_BLOCK, &set, 0);
-	evp.sigev_notify = SIGEV_SIGNAL;
-	evp.sigev_signo = SIGUSR1;
-
-	struct timeval start;
-	gettimeofday(&start, NULL);
-
-	timer_t timer;
-	if (timer_create(CLOCK_MONOTONIC, &evp, &timer)) {
-		perror("timer_create");
-		exit(1);
-	}
-
-	struct itimerspec spec;
-	memset(&spec, 0, sizeof(spec));
-	spec.it_value.tv_sec = 1;
-	spec.it_value.tv_nsec = 0;
-
-	int sig;
-	timer_settime(timer, 0, &spec, NULL);
-	sigwait(&set, &sig);
-
-	struct timeval end;
-	gettimeofday(&end, NULL);
-	timer_delete(timer);
-
-	double diff = end.tv_sec - start.tv_sec;
-	diff += (end.tv_usec - start.tv_usec) / 1000000.0;
-	assert(diff >= 1.0);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/posix_memalign.c b/lib/mlibc/tests/posix/posix_memalign.c
deleted file mode 100644
index 34652b9..0000000
--- a/lib/mlibc/tests/posix/posix_memalign.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <stdint.h>
-#include <errno.h>
-
-int main() {
-	void *p = NULL;
-
-	// align must be a power of two
-	assert(posix_memalign(&p, 3, 1) == EINVAL && p == NULL);
-
-	// align must be a multiple of sizeof(void *)
-	assert(posix_memalign(&p, sizeof(void *) / 2, 8) == EINVAL && p == NULL);
-
-	assert(posix_memalign(&p, sizeof(void *), sizeof(void *)) == 0 && p != NULL && (uintptr_t)p % sizeof(void *) == 0);
-	free(p);
-	assert(posix_memalign(&p, 256, 1) == 0 && p != NULL && (uintptr_t)p % 256 == 0);
-	free(p);
-	assert(posix_memalign(&p, 256, 256) == 0 && p != NULL && (uintptr_t)p % 256 == 0);
-	free(p);
-}
diff --git a/lib/mlibc/tests/posix/posix_spawn.c b/lib/mlibc/tests/posix/posix_spawn.c
deleted file mode 100644
index cc5ccff..0000000
--- a/lib/mlibc/tests/posix/posix_spawn.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <stdlib.h>
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <unistd.h>
-#include <spawn.h>
-#include <sys/wait.h>
-
-extern char **environ;
-
-void run_cmd(char *cmd)
-{
-    pid_t pid;
-    char *argv[] = {"sh", "-c", cmd, NULL};
-    int status;
-    printf("Run command: %s\n", cmd);
-    status = posix_spawn(&pid, "/bin/sh", NULL, NULL, argv, environ);
-    if(status == 0) {
-        printf("Child pid: %i\n", pid);
-        if(waitpid(pid, &status, 0) != -1) {
-            printf("Child exited with status %i\n", status);
-        printf("Child exit status: %i\n", WEXITSTATUS(status));
-        assert(WEXITSTATUS(status) == 0);
-        } else {
-            perror("waitpid");
-        assert(0 == 1);
-        }
-    } else {
-        printf("posix_spawn: %s\n", strerror(status));
-    assert(0 == 1);
-    }
-}
-
-int main() {
-    run_cmd(":");
-    return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_atfork.c b/lib/mlibc/tests/posix/pthread_atfork.c
deleted file mode 100644
index 45be136..0000000
--- a/lib/mlibc/tests/posix/pthread_atfork.c
+++ /dev/null
@@ -1,54 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/wait.h>
-
-_Atomic int prepare_order = 0;
-_Atomic int parent_order = 0;
-_Atomic int child_order = 0;
-
-static void prepare1() { prepare_order = 1; }
-static void prepare2() { prepare_order = 2; }
-
-static void parent1() { parent_order = 1; }
-static void parent2() { parent_order = 2; }
-
-static void child1() { child_order = 1; }
-static void child2() { child_order = 2; }
-
-int main() {
-	assert(!pthread_atfork(prepare1, parent1, child1));
-	assert(!pthread_atfork(prepare2, parent2, child2));
-
-	pid_t pid = fork();
-	assert(pid >= 0);
-
-	if (!pid) {
-		assert(child_order == 2);
-		exit(0);
-	} else {
-		assert(prepare_order == 1);
-		assert(parent_order == 2);
-
-		while (1) {
-			int status = 0;
-
-			int ret = waitpid(pid, &status, 0);
-
-			if (ret == -1 && errno == EINTR)
-				continue;
-
-			assert(ret > 0);
-
-			if (WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT)
-				return 1;
-
-			return WEXITSTATUS(status);
-		}
-	}
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_attr.c b/lib/mlibc/tests/posix/pthread_attr.c
deleted file mode 100644
index c901a90..0000000
--- a/lib/mlibc/tests/posix/pthread_attr.c
+++ /dev/null
@@ -1,157 +0,0 @@
-#include <pthread.h>
-#include <assert.h>
-#include <errno.h>
-#include <alloca.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <signal.h>
-
-static void test_detachstate() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
-	int detachstate;
-	assert(!pthread_attr_getdetachstate(&attr, &detachstate));
-	assert(detachstate == PTHREAD_CREATE_DETACHED);
-	assert(pthread_attr_setdetachstate(&attr, 2* (PTHREAD_CREATE_DETACHED +
-				PTHREAD_CREATE_JOINABLE)) == EINVAL);
-}
-
-static void *stacksize_worker(void *arg) {
-	size_t default_stacksize = (*(size_t*)arg);
-	size_t alloc_size = default_stacksize + default_stacksize/2;
-	void *area = alloca(alloc_size);
-	// If the allocated stack was not enough this will crash.
-	*(volatile int*)(area + alloc_size) = 1;
-	return NULL;
-}
-
-static void test_stacksize() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_init(&attr));
-	size_t stacksize;
-	assert(!pthread_attr_getstacksize(&attr, &stacksize));
-	assert(!pthread_attr_setstacksize(&attr, stacksize * 2));
-	pthread_t thread;
-	assert(!pthread_create(&thread, &attr, stacksize_worker, &stacksize));
-	assert(!pthread_join(thread, NULL));
-}
-
-static void test_guardsize() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_init(&attr));
-	assert(!pthread_attr_setguardsize(&attr, 0));
-	size_t guardsize;
-	assert(!pthread_attr_getguardsize(&attr, &guardsize));
-	assert(!guardsize);
-}
-
-static void test_scope() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM));
-	int scope;
-	assert(!pthread_attr_getscope(&attr, &scope));
-	assert(scope == PTHREAD_SCOPE_SYSTEM);
-	assert(pthread_attr_setscope(&attr, 2* (PTHREAD_SCOPE_SYSTEM +
-				PTHREAD_SCOPE_PROCESS)) == EINVAL);
-}
-
-static void test_inheritsched() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED));
-	int inheritsched;
-	assert(!pthread_attr_getinheritsched(&attr, &inheritsched));
-	assert(inheritsched == PTHREAD_INHERIT_SCHED);
-	assert(pthread_attr_setinheritsched(&attr, 2* (PTHREAD_INHERIT_SCHED +
-				PTHREAD_EXPLICIT_SCHED)) == EINVAL);
-}
-
-static void test_schedparam() {
-	pthread_attr_t attr;
-	struct sched_param init_param = {0};
-	assert(!pthread_attr_setschedparam(&attr, &init_param));
-	struct sched_param param = {1};
-	assert(!pthread_attr_getschedparam(&attr, &param));
-	assert(param.sched_priority == init_param.sched_priority);
-}
-
-static void test_schedpolicy() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_setschedpolicy(&attr, SCHED_FIFO));
-	int policy;
-	assert(!pthread_attr_getschedpolicy(&attr, &policy));
-	assert(policy == SCHED_FIFO);
-	assert(pthread_attr_setinheritsched(&attr, 2* (SCHED_FIFO + SCHED_RR +
-				SCHED_OTHER)) == EINVAL);
-}
-
-static void *stackaddr_worker(void *arg) {
-	void *addr = *(void**)arg;
-
-	void *sp;
-#if defined(__x86_64__)
-	asm volatile ("mov %%rsp, %0" : "=r"(sp));
-#elif defined(__i386__)
-	asm volatile ("mov %%esp, %0" : "=r"(sp));
-#elif defined(__aarch64__)
-	asm volatile ("mov %0, sp" : "=r"(sp));
-#elif defined (__riscv)
-	asm volatile ("mv %0, sp" : "=r"(sp));
-#else
-#	error Unknown architecture
-#endif
-
-	// Check if our stack pointer is in a sane range.
-	assert(sp > addr);
-	return NULL;
-}
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-static void test_stackaddr() {
-	pthread_attr_t attr;
-	assert(!pthread_attr_init(&attr));
-	size_t size;
-	assert(!pthread_attr_getstacksize(&attr, &size));
-	void *addr = mmap(NULL, size, PROT_READ | PROT_WRITE,
-				MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-	assert(!pthread_attr_setstack(&attr, addr, size));
-	assert(!pthread_attr_setguardsize(&attr, 0));
-	void *new_addr;
-	size_t new_size;
-	assert(!pthread_attr_getstack(&attr, &new_addr, &new_size));
-	assert(new_addr == addr);
-	assert(new_size == size);
-
-	pthread_t thread;
-	assert(!pthread_create(&thread, &attr, stackaddr_worker, &addr));
-	assert(!pthread_join(thread, NULL));
-}
-#pragma GCC diagnostic pop
-
-#if !defined(USE_HOST_LIBC) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 32)
-static void test_stack() {
-	pthread_attr_t attr;
-	void *stackaddr = (void*)1;
-	size_t stacksize = PTHREAD_STACK_MIN;
-
-	assert(!pthread_attr_setstack(&attr, stackaddr, stacksize));
-	void *new_addr;
-	size_t new_size;
-	assert(!pthread_attr_getstack(&attr, &new_addr, &new_size));
-	assert(new_addr == stackaddr);
-	assert(new_size == stacksize);
-}
-#endif
-
-int main() {
-	test_detachstate();
-	test_stacksize();
-	test_guardsize();
-	test_scope();
-	test_inheritsched();
-	test_schedparam();
-	test_schedpolicy();
-	test_stackaddr();
-#if !defined(USE_HOST_LIBC) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 32)
-	test_stack();
-#endif
-}
diff --git a/lib/mlibc/tests/posix/pthread_barrier.c b/lib/mlibc/tests/posix/pthread_barrier.c
deleted file mode 100644
index 213ba8f..0000000
--- a/lib/mlibc/tests/posix/pthread_barrier.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <pthread.h>
-#include <unistd.h>
-#include <assert.h>
-
-pthread_barrier_t barrier;
-_Atomic int hitBarrierCount, pastBarrierCount;
-
-static void *worker(void *arg) {
-	(void)arg;
-	hitBarrierCount++;
-	pthread_barrier_wait(&barrier);
-	pastBarrierCount++;
-	return NULL;
-}
-
-int main() {
-	// pthread_barrierattr_t
-	pthread_barrierattr_t attr;
-	pthread_barrierattr_init(&attr);
-
-	int pshared;
-	pthread_barrierattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_PRIVATE);
-
-	pthread_barrierattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
-	pthread_barrierattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_SHARED);
-
-	pthread_barrierattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE);
-	pthread_barrierattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_PRIVATE);
-
-	// pthread_barrier_t
-	pthread_barrier_init(&barrier, &attr, 3);
-	pthread_barrierattr_destroy(&attr);
-
-	pthread_t thread1;
-	int ret = pthread_create(&thread1, NULL, &worker, NULL);
-	assert(!ret);
-
-	pthread_t thread2;
-	ret = pthread_create(&thread2, NULL, &worker, NULL);
-	assert(!ret);
-
-	sleep(1);
-
-	// Make sure the barrier actually stops threads from proceeding.
-	assert(pastBarrierCount == 0);
-	assert(hitBarrierCount <= 2);
-
-	hitBarrierCount++;
-	pthread_barrier_wait(&barrier);
-	assert(hitBarrierCount == 3);
-
-	pthread_barrier_destroy(&barrier);
-}
diff --git a/lib/mlibc/tests/posix/pthread_cancel.c b/lib/mlibc/tests/posix/pthread_cancel.c
deleted file mode 100644
index ca4ca34..0000000
--- a/lib/mlibc/tests/posix/pthread_cancel.c
+++ /dev/null
@@ -1,150 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <unistd.h>
-
-_Atomic int worker_ready = 0;
-_Atomic int main_ready = 0;
-
-static void *worker1(void *arg) {
-	(void)arg;
-	assert(!pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL));
-	assert(!pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL));
-
-	worker_ready = 1;
-
-	while (1) sleep(1);
-
-	return NULL;
-}
-
-static void *worker2(void *arg) {
-	(void) arg;
-	assert(!pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL));
-
-	worker_ready = 1;
-
-	while(!main_ready);
-
-	// Cancellation point - we should cancel right now
-	sleep(1);
-
-	assert(!"Expected to be cancelled!");
-	__builtin_unreachable();
-}
-
-static void *worker3(void *arg) {
-	(void) arg;
-	assert(!pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL));
-
-	worker_ready = 1;
-
-	while(!main_ready);
-
-	// Cancellation point - we should cancel right now
-	pthread_testcancel();
-
-	assert(!"Expected to be cancelled!");
-	__builtin_unreachable();
-}
-
-static void *worker4(void *arg) {
-	(void) arg;
-	assert(!pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL));
-
-	worker_ready = 1;
-	sleep(1);
-
-	// We expect to be canceled during the sleep
-
-	assert(!"Expected to be cancelled!");
-	__builtin_unreachable();
-}
-
-static void *worker5(void *arg) {
-	assert(!pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL));
-
-	worker_ready = 1;
-
-	while(!main_ready);
-
-	// Cancellation point - we should NOT cancel right now
-	pthread_testcancel();
-
-	int *arg_int = (int*)arg;
-	*arg_int = 1;
-
-	return NULL;
-}
-
-static void check_result(pthread_t thread) {
-
-	void *ret_val = NULL;
-	int ret = pthread_join(thread, &ret_val);
-	assert(!ret);
-	assert(ret_val == PTHREAD_CANCELED);
-}
-
-int main() {
-	pthread_t thread;
-	int ret = pthread_create(&thread, NULL, &worker1, NULL);
-	assert(!ret);
-
-	while (!worker_ready);
-	ret = pthread_cancel(thread);
-	assert(!ret);
-	check_result(thread);
-
-	main_ready = 0;
-	worker_ready = 0;
-	main_ready = 0;
-	ret = pthread_create(&thread, NULL, &worker2, NULL);
-	assert(!ret);
-
-	while(!worker_ready);
-	ret = pthread_cancel(thread);
-	assert(!ret);
-	main_ready = 1;
-	check_result(thread);
-
-	main_ready = 0;
-	worker_ready = 0;
-	main_ready = 0;
-	ret = pthread_create(&thread, NULL, &worker3, NULL);
-	assert(!ret);
-
-	while(!worker_ready);
-	ret = pthread_cancel(thread);
-	assert(!ret);
-	main_ready = 1;
-	check_result(thread);
-
-	worker_ready = 0;
-	main_ready = 0;
-	ret = pthread_create(&thread, NULL, &worker4, NULL);
-	assert(!ret);
-
-	while(!worker_ready);
-	ret = pthread_cancel(thread);
-	assert(!ret);
-	main_ready = 1;
-	check_result(thread);
-
-	// Test for bug where pthread_testcancel() was not checking if
-	// cancellation was triggered properly.
-	worker_ready = 0;
-	int pthread_arg = 0;
-	main_ready = 0;
-	ret = pthread_create(&thread, NULL, &worker5, &pthread_arg);
-	assert(!ret);
-
-	while(!worker_ready);
-	main_ready = 1;
-
-	void *ret_val = NULL;
-	ret = pthread_join(thread, &ret_val);
-	assert(!ret);
-	assert(!ret_val);
-	assert(pthread_arg == 1);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_cleanup.c b/lib/mlibc/tests/posix/pthread_cleanup.c
deleted file mode 100644
index b6136aa..0000000
--- a/lib/mlibc/tests/posix/pthread_cleanup.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include <stdint.h>
-#include <assert.h>
-#include <pthread.h>
-
-_Atomic uintptr_t cleanup_val = 0;
-
-static void cleanup(void *arg) {
-	cleanup_val = (uintptr_t)arg;
-}
-
-static void *worker(void *arg) {
-	(void)arg;
-
-	pthread_cleanup_push(cleanup, (void *)1);
-	pthread_cleanup_push(cleanup, (void *)2);
-	pthread_cleanup_push(cleanup, (void *)3);
-	pthread_cleanup_push(cleanup, (void *)4);
-
-	pthread_cleanup_pop(1);
-	assert(cleanup_val == 4);
-
-	pthread_cleanup_pop(0);
-	assert(cleanup_val == 4);
-
-	pthread_exit(NULL);
-
-	pthread_cleanup_pop(0);
-	pthread_cleanup_pop(0);
-
-	return NULL;
-}
-
-int main() {
-	pthread_t thread;
-	assert(!pthread_create(&thread, NULL, &worker, NULL));
-	assert(!pthread_join(thread, NULL));
-
-	assert(cleanup_val == 1);
-
-	return 0;
-}
-
diff --git a/lib/mlibc/tests/posix/pthread_cond.c b/lib/mlibc/tests/posix/pthread_cond.c
deleted file mode 100644
index 6203928..0000000
--- a/lib/mlibc/tests/posix/pthread_cond.c
+++ /dev/null
@@ -1,106 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <pthread.h>
-#include <unistd.h>
-
-_Atomic int waiting, should_exit;
-pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
-
-static void *worker(void *arg) {
-	(void)arg;
-	pthread_mutex_lock(&mtx);
-	++waiting;
-	while (!should_exit)
-		pthread_cond_wait(&cond, &mtx);
-	pthread_mutex_unlock(&mtx);
-	return NULL;
-}
-
-static void test_broadcast_wakes_all() {
-	pthread_t t1, t2;
-	pthread_create(&t1, NULL, &worker, NULL);
-	pthread_create(&t2, NULL, &worker, NULL);
-
-	// Wait until the workers have actually entered the cond_wait
-	// before doing a broadcast.
-	while (waiting != 2 || pthread_mutex_trylock(&mtx) == EBUSY)
-		usleep(150000); // 150ms
-
-	should_exit = 1;
-	assert(!pthread_cond_broadcast(&cond));
-	pthread_mutex_unlock(&mtx);
-
-	pthread_join(t1, NULL);
-	pthread_join(t2, NULL);
-}
-
-static void test_timedwait_timedout() {
-	// Use CLOCK_MONOTONIC.
-	pthread_condattr_t attr;
-	pthread_condattr_init(&attr);
-	assert(!pthread_condattr_setclock(&attr, CLOCK_MONOTONIC));
-
-	struct timespec before_now;
-	assert(!clock_gettime(CLOCK_MONOTONIC, &before_now));
-	before_now.tv_nsec -= 10000;
-
-	pthread_mutex_lock(&mtx);
-	int e = pthread_cond_timedwait(&cond, &mtx, &before_now);
-	assert(e == ETIMEDOUT);
-	pthread_mutex_unlock(&mtx);
-
-	long nanos_per_second = 1000000000;
-	struct timespec after_now;
-	assert(!clock_gettime(CLOCK_MONOTONIC, &after_now));
-	after_now.tv_nsec += nanos_per_second / 10; // 100ms
-	if (after_now.tv_nsec >= nanos_per_second) {
-		after_now.tv_nsec -= nanos_per_second;
-		after_now.tv_sec++;
-	}
-
-	pthread_mutex_lock(&mtx);
-	e = pthread_cond_timedwait(&cond, &mtx, &after_now);
-	assert(e == ETIMEDOUT);
-	pthread_mutex_unlock(&mtx);
-
-	after_now.tv_nsec += nanos_per_second;
-	pthread_mutex_lock(&mtx);
-	e = pthread_cond_timedwait(&cond, &mtx, &after_now);
-	assert(e == EINVAL);
-	pthread_mutex_unlock(&mtx);
-}
-
-static void test_attr() {
-	pthread_condattr_t attr;
-	pthread_condattr_init(&attr);
-
-	clockid_t clock;
-	assert(!pthread_condattr_getclock(&attr, &clock));
-	assert(clock == CLOCK_REALTIME);
-	assert(!pthread_condattr_setclock(&attr, CLOCK_MONOTONIC));
-	assert(!pthread_condattr_getclock(&attr, &clock));
-	assert(clock == CLOCK_MONOTONIC);
-
-	int pshared;
-	assert(!pthread_condattr_getpshared(&attr, &pshared));
-	assert(pshared == PTHREAD_PROCESS_PRIVATE);
-	assert(!pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED));
-	assert(!pthread_condattr_getpshared(&attr, &pshared));
-	assert(pshared == PTHREAD_PROCESS_SHARED);
-
-	pthread_condattr_destroy(&attr);
-	pthread_condattr_init(&attr);
-
-	// Make sure that we can create a pthread_cond_t with an attr.
-	pthread_cond_t cond;
-	pthread_cond_init(&cond, &attr);
-	pthread_cond_destroy(&cond);
-	pthread_condattr_destroy(&attr);
-}
-
-int main() {
-	test_attr();
-	test_broadcast_wakes_all();
-	test_timedwait_timedout();
-}
diff --git a/lib/mlibc/tests/posix/pthread_create.c b/lib/mlibc/tests/posix/pthread_create.c
deleted file mode 100644
index b78674f..0000000
--- a/lib/mlibc/tests/posix/pthread_create.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <assert.h>
-#include <time.h>
-#include <pthread.h>
-
-int variable = 0;
-
-static void *worker(void *arg) {
-	(void) arg;
-	variable = 1;
-	return NULL;
-}
-
-int main() {
-	pthread_t thread;
-	int ret = pthread_create(&thread, NULL, &worker, NULL);
-	assert(!ret);
-
-	ret = pthread_join(thread, NULL);
-	assert(!ret);
-	assert(variable == 1);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_key.c b/lib/mlibc/tests/posix/pthread_key.c
deleted file mode 100644
index 40bd882..0000000
--- a/lib/mlibc/tests/posix/pthread_key.c
+++ /dev/null
@@ -1,95 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <errno.h>
-#include <limits.h>
-
-_Atomic int dtors_entered = 0;
-pthread_key_t key3;
-
-static void dtor1(void *arg) {
-	(void)arg;
-	dtors_entered++;
-
-	// Set the key during destruction to trigger dtor2 (as it only runs if
-	// the key value is non-NULL).
-	assert(!pthread_setspecific(key3, &key3));
-	assert(pthread_getspecific(key3) == &key3);
-}
-
-static void dtor2(void *arg) {
-	(void)arg;
-	dtors_entered++;
-}
-
-static void *worker1(void *arg) {
-	(void)arg;
-
-	pthread_key_t key1, key2;
-	assert(!pthread_key_create(&key1, NULL));
-	assert(!pthread_key_create(&key2, dtor1));
-	assert(!pthread_key_create(&key3, dtor2));
-
-	assert(!pthread_setspecific(key1, &key1));
-	assert(pthread_getspecific(key1) == &key1);
-
-	assert(!pthread_setspecific(key2, &key2));
-	assert(pthread_getspecific(key2) == &key2);
-
-	pthread_exit(0);
-	return NULL;
-}
-
-static void dtor3(void *arg) {
-	(void)arg;
-
-	// Make sure that we can create and destroy keys inside the dtor.
-	pthread_key_t dtorKey;
-	assert(!pthread_key_create(&dtorKey, NULL));
-
-	assert(!pthread_setspecific(dtorKey, &dtorKey));
-	assert(pthread_getspecific(dtorKey) == &dtorKey);
-
-	assert(!pthread_key_delete(dtorKey));
-}
-
-static void *worker2(void *arg) {
-	(void)arg;
-
-	pthread_key_t key;
-	assert(!pthread_key_create(&key, dtor3));
-
-	assert(!pthread_setspecific(key, &key));
-	assert(pthread_getspecific(key) == &key);
-
-	pthread_exit(0);
-	return NULL;
-}
-
-int main() {
-	// NOTE that the EINVAL return from pthread_setspecific is mlibc-specific,
-	// POSIX specifies that accessing an invalid key is undefined behavior.
-
-	assert(pthread_getspecific(PTHREAD_KEYS_MAX) == NULL);
-	assert(pthread_setspecific(PTHREAD_KEYS_MAX, NULL) == EINVAL);
-
-	pthread_key_t key;
-	assert(!pthread_key_create(&key, NULL));
-	assert(!pthread_setspecific(key, &key));
-	assert(pthread_getspecific(key) == &key);
-	assert(!pthread_key_delete(key));
-
-	pthread_t thread;
-	assert(!pthread_create(&thread, NULL, &worker1, NULL));
-	assert(!pthread_join(thread, NULL));
-
-	assert(pthread_getspecific(key) == NULL);
-	assert(!pthread_setspecific(key, &key));
-	assert(pthread_getspecific(key) == &key);
-
-	assert(dtors_entered == 2);
-
-	assert(!pthread_create(&thread, NULL, &worker2, NULL));
-	assert(!pthread_join(thread, NULL));
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_kill.c b/lib/mlibc/tests/posix/pthread_kill.c
deleted file mode 100644
index b740b70..0000000
--- a/lib/mlibc/tests/posix/pthread_kill.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <signal.h>
-
-_Atomic int handler_ready = 0;
-_Atomic int thread_signal_ran = 0;
-
-static void sig_handler(int sig, siginfo_t *info, void *ctx) {
-	(void)sig;
-	(void)info;
-	(void)ctx;
-
-	thread_signal_ran = 1;
-}
-
-static void *worker(void *arg) {
-	(void)arg;
-
-	struct sigaction sa;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_sigaction = sig_handler;
-	sa.sa_flags = SA_SIGINFO;
-	assert(!sigaction(SIGUSR1, &sa, NULL));
-
-	handler_ready = 1;
-
-	while (!thread_signal_ran)
-		;
-
-	return NULL;
-}
-
-int main() {
-	pthread_t thread;
-	assert(!pthread_create(&thread, NULL, &worker, NULL));
-
-	while (!handler_ready)
-		;
-
-	assert(!pthread_kill(thread, SIGUSR1));
-	assert(!pthread_join(thread, NULL));
-
-	assert(thread_signal_ran);
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/pthread_mutex.c b/lib/mlibc/tests/posix/pthread_mutex.c
deleted file mode 100644
index 0a9b82f..0000000
--- a/lib/mlibc/tests/posix/pthread_mutex.c
+++ /dev/null
@@ -1,101 +0,0 @@
-#include <pthread.h>
-#include <assert.h>
-#include <errno.h>
-
-#define TEST_ATTR(attr, field, value) ({ \
-		int x; \
-		assert(!pthread_mutexattr_set ## field (&(attr), (value))); \
-		assert(!pthread_mutexattr_get ## field (&(attr), &x)); \
-		assert(x == (value)); \
-	})
-
-int variable;
-pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-static void *worker(void *arg) {
-	(void)arg;
-	pthread_mutex_lock(&mutex);
-	variable = 1;
-	pthread_mutex_unlock(&mutex);
-	return NULL;
-}
-
-static void testAttr() {
-	pthread_mutexattr_t attr;
-	pthread_mutexattr_init(&attr);
-
-	TEST_ATTR(attr, type, PTHREAD_MUTEX_DEFAULT);
-	TEST_ATTR(attr, type, PTHREAD_MUTEX_NORMAL);
-	TEST_ATTR(attr, type, PTHREAD_MUTEX_ERRORCHECK);
-	TEST_ATTR(attr, type, PTHREAD_MUTEX_RECURSIVE);
-
-	TEST_ATTR(attr, robust, PTHREAD_MUTEX_STALLED);
-	TEST_ATTR(attr, robust, PTHREAD_MUTEX_ROBUST);
-
-	TEST_ATTR(attr, protocol, PTHREAD_PRIO_NONE);
-	TEST_ATTR(attr, protocol, PTHREAD_PRIO_INHERIT);
-	TEST_ATTR(attr, protocol, PTHREAD_PRIO_PROTECT);
-
-	TEST_ATTR(attr, pshared, PTHREAD_PROCESS_PRIVATE);
-	TEST_ATTR(attr, pshared, PTHREAD_PROCESS_SHARED);
-
-	// TODO: sched_get_priority* is unimplemented.
-	// int prio = sched_get_priority_max(SCHED_FIFO);
-	// TEST_ATTR(attr, prioceiling, prio);
-
-	pthread_mutexattr_destroy(&attr);
-}
-
-static void testNormal() {
-	pthread_mutexattr_t attr;
-	pthread_mutexattr_init(&attr);
-	pthread_mutex_init(&mutex, &attr);
-	pthread_mutexattr_destroy(&attr);
-
-	pthread_mutex_lock(&mutex);
-	variable = 0;
-
-	pthread_t thread;
-	int ret = pthread_create(&thread, NULL, &worker, NULL);
-	assert(!ret);
-
-	assert(pthread_mutex_trylock(&mutex) == EBUSY);
-	pthread_mutex_unlock(&mutex);
-
-	ret = pthread_join(thread, NULL);
-	assert(!ret);
-	assert(variable == 1);
-
-	pthread_mutex_destroy(&mutex);
-}
-
-static void testRecursive() {
-	pthread_mutexattr_t attr;
-	pthread_mutexattr_init(&attr);
-	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-	pthread_mutex_init(&mutex, &attr);
-	pthread_mutexattr_destroy(&attr);
-
-	pthread_mutex_lock(&mutex);
-	variable = 0;
-
-	pthread_t thread;
-	int ret = pthread_create(&thread, NULL, &worker, NULL);
-	assert(!ret);
-
-	assert(pthread_mutex_trylock(&mutex) == 0);
-	pthread_mutex_unlock(&mutex);
-	pthread_mutex_unlock(&mutex);
-
-	ret = pthread_join(thread, NULL);
-	assert(!ret);
-	assert(variable == 1);
-
-	pthread_mutex_destroy(&mutex);
-}
-
-int main() {
-	testAttr();
-	testNormal();
-	testRecursive();
-}
diff --git a/lib/mlibc/tests/posix/pthread_rwlock.c b/lib/mlibc/tests/posix/pthread_rwlock.c
deleted file mode 100644
index 5316372..0000000
--- a/lib/mlibc/tests/posix/pthread_rwlock.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <pthread.h>
-
-static void test_write_lock_unlock() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_wrlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_read_lock_unlock() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_rdlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_write_trylock_unlock() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_trywrlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_read_trylock_unlock() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_tryrdlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_write_prevents_read() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_wrlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_tryrdlock(&rw);
-	assert(res == EBUSY);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_write_prevents_write() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_wrlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_trywrlock(&rw);
-	assert(res == EBUSY);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_read_prevents_write() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_rdlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_trywrlock(&rw);
-	assert(res == EBUSY);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_read_allows_read() {
-	int res;
-	pthread_rwlock_t rw = PTHREAD_RWLOCK_INITIALIZER;
-	res = pthread_rwlock_rdlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_tryrdlock(&rw);
-	assert(!res);
-	res = pthread_rwlock_unlock(&rw);
-	assert(!res);
-}
-
-static void test_attr() {
-	pthread_rwlockattr_t attr;
-	pthread_rwlockattr_init(&attr);
-
-	int pshared;
-	pthread_rwlockattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_PRIVATE);
-
-	pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
-	pthread_rwlockattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_SHARED);
-
-	pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE);
-	pthread_rwlockattr_getpshared(&attr, &pshared);
-	assert(pshared == PTHREAD_PROCESS_PRIVATE);
-
-	pthread_rwlockattr_destroy(&attr);
-}
-
-int main() {
-	test_write_lock_unlock();
-	test_read_lock_unlock();
-	test_write_trylock_unlock();
-	test_read_trylock_unlock();
-	test_write_prevents_read();
-	test_write_prevents_write();
-	test_read_prevents_write();
-	test_read_allows_read();
-	test_attr();
-}
diff --git a/lib/mlibc/tests/posix/pthread_schedparam.c b/lib/mlibc/tests/posix/pthread_schedparam.c
deleted file mode 100644
index dde70fb..0000000
--- a/lib/mlibc/tests/posix/pthread_schedparam.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <pthread.h>
-#include <stdlib.h>
-
-int main() {
-	struct sched_param param = {
-		.sched_priority = 100,
-	};
-
-	int policy = 0xDEADBEEF;
-
-	int ret = pthread_getschedparam(pthread_self(), &policy, &param);
-	assert(policy == SCHED_OTHER);
-	assert(!ret);
-
-	param.sched_priority = 10;
-
-	ret = pthread_setschedparam(pthread_self(), SCHED_FIFO, &param);
-	assert(!ret || ret == EPERM);
-
-	if(ret == EPERM) {
-		exit(0);
-	}
-
-	param.sched_priority = 0xDEADBEEF;
-
-	ret = pthread_getschedparam(pthread_self(), &policy, &param);
-	assert(policy == SCHED_FIFO);
-	assert(param.sched_priority == 10);
-	assert(!ret);
-}
diff --git a/lib/mlibc/tests/posix/pthread_thread_local.c b/lib/mlibc/tests/posix/pthread_thread_local.c
deleted file mode 100644
index 90c6f72..0000000
--- a/lib/mlibc/tests/posix/pthread_thread_local.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <stdio.h>
-#include <pthread.h>
-#include <assert.h>
- 
-_Thread_local unsigned int counter = 9999; 
-_Thread_local unsigned int uninitialized;
- 
-void *check_counter(void *arg)
-{
-	(void)arg;
-	fprintf(stderr, "counter for worker thread: %d, at %p\n", counter, &counter);
-	fflush(stderr);
-	assert(counter == 9999);
-
-	fprintf(stderr, "uninitialized data for worker thread: %d, at %p\n", uninitialized, &uninitialized);
-	fflush(stderr);
-	assert(uninitialized == 0);
-
-	++counter;
-	++uninitialized;
-	fprintf(stderr, "counter for worker thread: %d\n", counter);
-	fflush(stderr);
-	assert(counter == 10000);
-	assert(uninitialized == 1);
-	return NULL;
-}
- 
-int main()
-{
-	fprintf(stderr, "counter for main thread: %d, at %p\n", counter, &counter);
-	fflush(stderr);
-	assert(counter == 9999);
-
-	fprintf(stderr, "uninitialized data for main thread: %d, at %p\n", uninitialized, &uninitialized);
-	fflush(stderr);
-	assert(uninitialized == 0);
-
-	++counter;
-	++uninitialized;
-	fprintf(stderr, "counter for main: %d\n", counter);
-	fflush(stderr);
-	assert(counter == 10000);
-	assert(uninitialized == 1);
-
-	pthread_t thd;
-	pthread_create(&thd, NULL, check_counter, NULL);
-	pthread_join(thd, NULL);
-
-	fprintf(stderr, "counter for main: %d\n", counter);
-	fflush(stderr);
-	assert(counter == 10000);
-	assert(uninitialized == 1);
-}
diff --git a/lib/mlibc/tests/posix/pwd.c b/lib/mlibc/tests/posix/pwd.c
deleted file mode 100644
index a9ebd8e..0000000
--- a/lib/mlibc/tests/posix/pwd.c
+++ /dev/null
@@ -1,88 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <pwd.h>
-#include <unistd.h>
-#include <assert.h>
-#include <string.h>
-#include <errno.h>
-
-int main()
-{
-	struct passwd pwd, *result = NULL;
-	char *buf;
-	size_t bufsize;
-	int s;
-
-	bufsize = sysconf(_SC_GETPW_R_SIZE_MAX);
-	assert(bufsize > 0 && bufsize < 0x100000);
-
-	buf = malloc(bufsize);
-	assert(buf);
-
-	s = getpwnam_r("root", &pwd, buf, bufsize, &result);
-	assert(!s);
-	assert(pwd.pw_uid == 0);
-	assert(!strcmp(pwd.pw_name, "root"));
-	assert(strlen(pwd.pw_passwd) <= 1000);
-
-	s = getpwuid_r(0, &pwd, buf, bufsize, &result);
-	assert(!s);
-	assert(pwd.pw_uid == 0);
-	assert(!strcmp(pwd.pw_name, "root"));
-	assert(strlen(pwd.pw_passwd) <= 1000);
-
-	result = getpwnam("root");
-	assert(result);
-	assert(result->pw_uid == 0);
-	assert(!strcmp(result->pw_name, "root"));
-	assert(strlen(result->pw_passwd) <= 1000);
-
-	result = getpwuid(0);
-	assert(result);
-	assert(result->pw_uid == 0);
-	assert(!strcmp(result->pw_name, "root"));
-	assert(strlen(result->pw_passwd) <= 1000);
-
-	errno = 0;
-	setpwent();
-	assert(errno == 0);
-
-	errno = 0;
-	result = getpwent();
-	assert(result);
-
-	pwd = *result;
-	pwd.pw_name = strdup(result->pw_name);
-	pwd.pw_passwd = strdup(result->pw_passwd);
-	pwd.pw_gecos = strdup(result->pw_gecos);
-	pwd.pw_dir = strdup(result->pw_dir);
-	pwd.pw_shell = strdup(result->pw_shell);
-	assert(pwd.pw_name);
-	assert(pwd.pw_passwd);
-	assert(pwd.pw_gecos);
-	assert(pwd.pw_dir);
-	assert(pwd.pw_shell);
-
-	errno = 0;
-	setpwent();
-	assert(errno == 0);
-
-	errno = 0;
-	result = getpwent();
-	assert(result);
-
-	assert(!strcmp(pwd.pw_name, result->pw_name));
-	assert(!strcmp(pwd.pw_passwd, result->pw_passwd));
-	assert(!strcmp(pwd.pw_gecos, result->pw_gecos));
-	assert(!strcmp(pwd.pw_dir, result->pw_dir));
-	assert(!strcmp(pwd.pw_shell, result->pw_shell));
-	assert(pwd.pw_uid == result->pw_uid);
-	assert(pwd.pw_gid == result->pw_gid);
-
-	free(buf);
-	free(pwd.pw_name);
-	free(pwd.pw_passwd);
-	free(pwd.pw_gecos);
-	free(pwd.pw_dir);
-	free(pwd.pw_shell);
-}
diff --git a/lib/mlibc/tests/posix/readv-writev.c b/lib/mlibc/tests/posix/readv-writev.c
deleted file mode 100644
index 5025ce2..0000000
--- a/lib/mlibc/tests/posix/readv-writev.c
+++ /dev/null
@@ -1,51 +0,0 @@
-#include <assert.h>
-#include <fcntl.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/uio.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_FILE "readv-writev-host-libc.tmp"
-#else
-#define TEST_FILE "readv-writev.tmp"
-#endif
-
-int main() {
-	// Make sure that it wasn't created by a previous test run
-	unlink(TEST_FILE);
-
-	int fd = open(TEST_FILE, O_RDWR | O_CREAT, 0644);
-	assert(fd != -1);
-
-	char str0[] = "hello ";
-	char str1[] = "world!";
-
-	struct iovec bufs[2] = {
-		{
-			.iov_base = &str0,
-			.iov_len = strlen(str0),
-		},
-		{
-			.iov_base = &str1,
-			.iov_len = strlen(str1),
-		},
-	};
-
-	ssize_t written = writev(fd, bufs, 2);
-	assert(written == 12);
-
-	memset(&str0, 0, strlen(str0));
-	memset(&str1, 0, strlen(str1));
-
-	assert(!lseek(fd, 0, SEEK_SET));
-
-	ssize_t read = readv(fd, bufs, 2);
-	assert(read == 12);
-
-	assert(!strncmp(str0, "hello ", 7));
-	assert(!strncmp(str1, "world!", 7));
-
-	assert(!close(fd));
-
-	unlink(TEST_FILE);
-}
diff --git a/lib/mlibc/tests/posix/realpath.c b/lib/mlibc/tests/posix/realpath.c
deleted file mode 100644
index e44de81..0000000
--- a/lib/mlibc/tests/posix/realpath.c
+++ /dev/null
@@ -1,133 +0,0 @@
-#include <unistd.h>
-#include <sys/stat.h>
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <signal.h>
-
-#ifdef USE_HOST_LIBC
-#define TEST_BASE "/tmp/mlibc-realpath-host-libc"
-#else
-#define TEST_BASE "/tmp/mlibc-realpath"
-#endif
-
-void prepare() {
-	assert(!mkdir(TEST_BASE "/", S_IRWXU));
-	assert(!mkdir(TEST_BASE "/dir1", S_IRWXU));
-	assert(!mkdir(TEST_BASE "/dir2", S_IRWXU));
-	assert(!symlink(TEST_BASE "/dir2/", TEST_BASE "/dir1/abs-link"));
-	assert(!chdir(TEST_BASE "/dir1"));
-	assert(!symlink("../dir2/", TEST_BASE "/dir1/rel-link"));
-}
-
-void cleanup(int do_assert) {
-	if (do_assert) {
-		assert(!unlink(TEST_BASE "/dir1/rel-link"));
-		assert(!unlink(TEST_BASE "/dir1/abs-link"));
-		assert(!rmdir(TEST_BASE "/dir2"));
-		assert(!rmdir(TEST_BASE "/dir1"));
-		assert(!rmdir(TEST_BASE "/"));
-	} else {
-		unlink(TEST_BASE "/dir1/rel-link");
-		unlink(TEST_BASE "/dir1/abs-link");
-		rmdir(TEST_BASE "/dir2");
-		rmdir(TEST_BASE "/dir1");
-		rmdir(TEST_BASE "/");
-	}
-}
-
-void signal_handler(int sig, siginfo_t *info, void *ctx) {
-	(void)sig;
-	(void)info;
-	(void)ctx;
-
-	cleanup(0);
-
-	struct sigaction sa;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_handler = SIG_DFL;
-	sa.sa_flags = 0;
-
-	sigaction(SIGABRT, &sa, NULL);
-	abort();
-}
-
-int main() {
-	char *path;
-
-	struct sigaction sa;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_sigaction = signal_handler;
-	sa.sa_flags = SA_SIGINFO;
-	sigaction(SIGABRT, &sa, NULL);
-
-	prepare();
-
-	path = realpath(TEST_BASE "/dir1/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir1"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/../dir2", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/abs-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/rel-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/abs-link/../", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE ""));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/rel-link/../", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE ""));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/abs-link/../dir1/abs-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/rel-link/../dir1/rel-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/abs-link/../dir1/rel-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath(TEST_BASE "/dir1/rel-link/../dir1/abs-link/", NULL);
-	assert(path);
-	assert(!strcmp(path, TEST_BASE "/dir2"));
-	free(path);
-
-	path = realpath("/tmp", NULL);
-	assert(path);
-	assert(!strcmp(path, "/tmp"));
-	free(path);
-
-	path = realpath("/", NULL);
-	assert(path);
-	assert(!strcmp(path, "/"));
-	free(path);
-
-	path = realpath("//", NULL);
-	assert(path);
-	assert(!strcmp(path, "/"));
-	free(path);
-
-	cleanup(1);
-}
diff --git a/lib/mlibc/tests/posix/regex.c b/lib/mlibc/tests/posix/regex.c
deleted file mode 100644
index 6c2ca3f..0000000
--- a/lib/mlibc/tests/posix/regex.c
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
- 
-int main(void) {
-	char *testString = "mlibc is the best best best libc";
-	char *pattern = "\\(be[a-z]t\\) \\1";
-
-	regex_t reg;
-	int rc = regcomp(&reg, pattern, 0);
-	assert(!rc);
-
-	regmatch_t matches[2];
-	rc = regexec(&reg, testString, 2, matches, 0);
-	assert(!rc);
-
-	printf("Whole pattern: \"%.*s\" at %zd-%zd.\n",
-		(int)(matches[0].rm_eo - matches[0].rm_so), &testString[matches[0].rm_so],
-		(ssize_t)matches[0].rm_so, (ssize_t)(matches[0].rm_eo - 1));
-	assert(matches[0].rm_so == 13 && matches[0].rm_eo == 22);
-
-	printf("Substring: \"%.*s\" at %zd-%zd.\n",
-		(int)(matches[1].rm_eo - matches[1].rm_so), &testString[matches[1].rm_so],
-		(ssize_t)matches[1].rm_so, (ssize_t)matches[1].rm_eo - 1);
-	assert(matches[1].rm_so == 13 && matches[1].rm_eo == 17);
-
-	regfree(&reg);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/rindex.c b/lib/mlibc/tests/posix/rindex.c
deleted file mode 100644
index 0eb2f54..0000000
--- a/lib/mlibc/tests/posix/rindex.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <strings.h>
-#include <assert.h>
-
-int main() {
-  char str[] = "This is a sample string";
-  char *pch;
-  pch = rindex(str, 's');
-  // The last occurence of 's' is at position 18
-  assert(pch - str + 1 == 18);
-  return 0;
-}
diff --git a/lib/mlibc/tests/posix/rlimits.c b/lib/mlibc/tests/posix/rlimits.c
deleted file mode 100644
index 3565521..0000000
--- a/lib/mlibc/tests/posix/rlimits.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <sys/resource.h>
-#include <stdio.h>
-#include <errno.h>
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	struct rlimit getlim, setlim;
-
-    setlim.rlim_cur = 16;
-    setlim.rlim_max = 4096;
-
-	int ret = setrlimit(RLIMIT_NOFILE, &setlim);
-
-    if(ret == -1) {
-        fprintf(stderr, "%s\n", strerror(errno));
-		assert(!ret);
-	}
-
-    assert(!getrlimit(RLIMIT_NOFILE, &getlim));
-
-	assert(setlim.rlim_cur == getlim.rlim_cur);
-	assert(setlim.rlim_max == getlim.rlim_max);
-
-    return 0;
-}
diff --git a/lib/mlibc/tests/posix/search.c b/lib/mlibc/tests/posix/search.c
deleted file mode 100644
index 6b68ef9..0000000
--- a/lib/mlibc/tests/posix/search.c
+++ /dev/null
@@ -1,51 +0,0 @@
-#include <search.h>
-#include <assert.h>
-#include <stddef.h>
-#include <stdlib.h>
-
-static int compare(const void *pa, const void *pb) {
-	if (*(int*)pa < *(int*) pb)
-		return -1;
-	if (*(int*)pa > *(int*) pb)
-		return 1;
-	return 0;
-}
-
-static void check_key(int key, void *root) {
-	int keyp = key;
-	void *ret = tfind((void*) &keyp, &root, compare);
-	assert(ret);
-	assert(**((int **) ret) == key);
-}
-
-static void free_key(void *key) {
-	free(key);
-}
-
-int main() {
-	void *root = NULL;
-	for (int i = 0; i < 12; i++) {
-		int *ptr = malloc(sizeof(int));
-		assert(ptr);
-		*ptr = i;
-
-		void *ret = tsearch((void*) ptr, &root, compare);
-		assert(ret);
-		assert(**((int **) ret) == i);
-	}
-
-	// Test a couple of keys
-	check_key(1, root);
-	check_key(5, root);
-	check_key(10, root);
-
-	// Verify NULL on non-existent key
-	int key = -1;
-	void *ret = tfind((void*) &key, &root, compare);
-	assert(ret == NULL);
-
-	// tdelete is not implemented yet (#351)
-	(void)free_key;
-	// tdestroy(root, free_key);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/setpriority.c b/lib/mlibc/tests/posix/setpriority.c
deleted file mode 100644
index 11cb7ed..0000000
--- a/lib/mlibc/tests/posix/setpriority.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <assert.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/resource.h>
-#include <unistd.h>
-
-int main() {
-	errno = 0;
-	int original_priority = getpriority(PRIO_PROCESS, getpid());
-
-	assert(original_priority != -1 || !errno);
-
-	int ret = setpriority(PRIO_PROCESS, getpid(), original_priority + 1);
-
-	if(ret) {
-		fprintf(stderr, "%s", strerror(errno));
-		exit(1);
-	}
-
-	errno = 0;
-	int new_priority = getpriority(PRIO_PROCESS, getpid());
-
-	assert(new_priority != -1 || !errno);
-	assert(new_priority == original_priority + 1);
-}
diff --git a/lib/mlibc/tests/posix/sigaltstack.c b/lib/mlibc/tests/posix/sigaltstack.c
deleted file mode 100644
index bebcc30..0000000
--- a/lib/mlibc/tests/posix/sigaltstack.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include <assert.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <stdlib.h>
-
-static jmp_buf env;
-static char *sigStack;
-
-static void sig_handler(int sig, siginfo_t *info, void *ctx) {
-	(void)sig;
-	(void)info;
-	(void)ctx;
-
-	longjmp(env, 1);
-}
-
-int main() {
-	if (setjmp(env)) {
-		free(sigStack);
-		return 0;
-	}
-
-	sigStack = malloc(SIGSTKSZ);
-
-	stack_t ss;
-	ss.ss_sp = sigStack;
-	ss.ss_size = SIGSTKSZ;
-	ss.ss_flags = 0;
-
-	assert(!sigaltstack(&ss, NULL));
-
-	struct sigaction sa;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
-	sa.sa_sigaction = sig_handler;
-
-	assert(!sigaction(SIGSEGV, &sa, NULL));
-
-	// This is used to trash the stack to ensure sigaltstack actually switched stacks.
-#if defined(__x86_64__)
-	asm volatile ("mov $0, %rsp\n"
-			"\t" "push $0");
-#elif defined(__i386__)
-	asm volatile ("mov $0, %esp\n"
-			"\t" "push $0");
-#elif defined(__aarch64__)
-	asm volatile ("mov sp, %0\n"
-			"\t" "stp x0, x1, [sp, #-16]!" :: "r"((uint64_t)0));
-#elif defined(__riscv) && __riscv_xlen == 64
-	asm volatile ("li sp, 0\n"
-			"\t" "sd zero, 0(sp)");
-#else
-#	error Unknown architecture
-#endif
-}
diff --git a/lib/mlibc/tests/posix/sigsuspend.c b/lib/mlibc/tests/posix/sigsuspend.c
deleted file mode 100644
index 09b9a1e..0000000
--- a/lib/mlibc/tests/posix/sigsuspend.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <assert.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <signal.h>
-#include <errno.h>
-
-_Atomic int handler_ready = 0;
-_Atomic int thread_signal_ran = 0;
-
-static void sig_handler(int sig, siginfo_t *info, void *ctx) {
-	(void)sig;
-	(void)info;
-	(void)ctx;
-
-	thread_signal_ran = 1;
-}
-
-static void *worker(void *arg) {
-	(void)arg;
-
-	struct sigaction sa;
-	sigemptyset(&sa.sa_mask);
-	sa.sa_sigaction = sig_handler;
-	sa.sa_flags = SA_SIGINFO;
-	assert(!sigaction(SIGUSR1, &sa, NULL));
-
-	handler_ready = 1;
-
-	sigset_t set;
-	sigfillset(&set);
-	sigdelset(&set, SIGUSR1);
-
-	assert(sigsuspend(&set));
-	assert(thread_signal_ran);
-	assert(errno == EINTR);
-
-	return NULL;
-}
-
-int main() {
-	pthread_t thread;
-	assert(!pthread_create(&thread, NULL, &worker, NULL));
-
-	while (!handler_ready)
-		;
-
-	sleep(1);
-
-	assert(!pthread_kill(thread, SIGUSR1));
-	assert(!pthread_join(thread, NULL));
-
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/sigtimedwait.c b/lib/mlibc/tests/posix/sigtimedwait.c
deleted file mode 100644
index 4793fc1..0000000
--- a/lib/mlibc/tests/posix/sigtimedwait.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <stdio.h>
-
-#include <assert.h>
-#include <signal.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <errno.h>
-
-pid_t parent;
-pid_t child;
-
-int fds[2];
-
-void parent_fn() {
-	int res;
-
-	sigset_t set;
-	sigemptyset(&set);
-	sigaddset(&set, SIGUSR2);
-	sigprocmask(SIG_BLOCK, &set, NULL);
-
-	res = write(fds[1], "!", 1);
-	assert(res == 1);
-
-	siginfo_t info;
-	res = sigwaitinfo(&set, &info);
-	assert(res == SIGUSR2);
-	assert(info.si_signo == SIGUSR2);
-
-	res = write(fds[1], "!", 1);
-	assert(res == 1);
-
-	// XXX: This may not be long enough to get scheduled
-	struct timespec tout = {1, 0};
-	res = sigtimedwait(&set, &info, &tout);
-	assert(res == SIGUSR2);
-	assert(info.si_signo == SIGUSR2);
-
-	res = write(fds[1], "!", 1);
-	assert(res == 1);
-
-	int sig;
-	res = sigwait(&set, &sig);
-	assert(res == 0);
-	assert(sig == SIGUSR2);
-
-	res = write(fds[1], "!", 1);
-	assert(res == 1);
-
-	res = sigtimedwait(&set, &info, &tout);
-	assert(res < 0);
-	assert(errno == EAGAIN);
-
-	int wsts;
-	res = waitpid(child, &wsts, 0);
-	assert(res >= 0);
-}
-
-void child_fn() {
-	int res;
-	char c;
-
-	res = read(fds[0], &c, 1);
-	assert(res == 1);
-	kill(parent, SIGUSR2);
-	res = read(fds[0], &c, 1);
-	assert(res == 1);
-	kill(parent, SIGUSR2);
-	res = read(fds[0], &c, 1);
-	assert(res == 1);
-	kill(parent, SIGUSR2);
-	res = read(fds[0], &c, 1);
-	assert(res == 1);
-}
-
-int main() {
-	int res;
-
-	parent = getpid();
-	assert(parent > 0);
-
-	res = pipe(fds);
-	assert(res == 0);
-
-	child = fork();
-	assert(child >= 0);
-	if (child)
-		parent_fn();
-	else
-		child_fn();
-}
diff --git a/lib/mlibc/tests/posix/strdupa.c b/lib/mlibc/tests/posix/strdupa.c
deleted file mode 100644
index c79de8e..0000000
--- a/lib/mlibc/tests/posix/strdupa.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-#include <assert.h>
-#include <string.h>
-
-int main() {
-	char test[19] = "Hello mlibc World!";
-	char *alloca_ed = strdupa(test);
-	assert(!strcmp(test, alloca_ed));
-
-	char *trimmed = strndupa(test, 5);
-	assert(!strcmp("Hello", trimmed));
-}
diff --git a/lib/mlibc/tests/posix/string.c b/lib/mlibc/tests/posix/string.c
deleted file mode 100644
index 9c6e036..0000000
--- a/lib/mlibc/tests/posix/string.c
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <string.h>
-#include <assert.h>
-
-int main() {
-	char buf[4];
-
-	// stpncpy
-	assert(stpncpy(buf, "", 4) == buf);
-	assert(!strcmp(buf, ""));
-	
-	assert(stpncpy(buf, "123", 4) == buf + 3);
-	assert(!strcmp(buf, "123"));
-	
-	assert(stpncpy(buf, "12", 4) == buf + 2);
-	assert(buf[0] == '1' && buf[1] == '2' && buf[2] == '\0' && buf[3] == '\0');
-
-	assert(stpncpy(buf, "123456", 4) == buf + 4);
-	assert(buf[0] == '1' && buf[1] == '2' && buf[2] == '3' && buf[3] == '4');
-
-	// stpcpy
-	assert(stpcpy(buf, "") == buf);
-	assert(!strcmp(buf, ""));
-	
-	assert(stpcpy(buf, "12") == buf + 2);
-	assert(!strcmp(buf, "12"));
-	
-	assert(stpcpy(buf, "123") == buf + 3);
-	assert(!strcmp(buf, "123"));
-}
diff --git a/lib/mlibc/tests/posix/system.c b/lib/mlibc/tests/posix/system.c
deleted file mode 100644
index d5d6317..0000000
--- a/lib/mlibc/tests/posix/system.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <sys/wait.h>
-
-int main() {
-	int res;
-
-	res = system("true");
-	assert(WIFEXITED(res));
-	assert(WEXITSTATUS(res) == 0);
-
-	res = system("false");
-	assert(WIFEXITED(res));
-	assert(WEXITSTATUS(res) == 1);
-
-	res = system(NULL);
-	assert(res == 1);
-}
diff --git a/lib/mlibc/tests/posix/time.c b/lib/mlibc/tests/posix/time.c
deleted file mode 100644
index add7b92..0000000
--- a/lib/mlibc/tests/posix/time.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <assert.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#define BUF_SIZE 1024
-
-int main() {
-	struct tm tm = {0};
-	char buf[BUF_SIZE];
-
-	char *a = strptime("%", "%%", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(strftime(buf, BUF_SIZE, "%%", &tm) == 1);
-	assert(!strcmp(buf, "%"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("1991-11-21", "%F", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_mday == 21);
-	assert(tm.tm_mon == 10);
-	assert(tm.tm_wday == 4);
-	assert(tm.tm_yday == 324);
-	assert(strftime(buf, BUF_SIZE, "%F", &tm) == 10);
-	assert(!strcmp(buf, "1991-11-21"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("10/19/91", "%D", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_mday == 19);
-	assert(tm.tm_mon  == 9);
-	assert(tm.tm_year == 91);
-	assert(tm.tm_wday == 6);
-	assert(tm.tm_yday == 291);
-	assert(strftime(buf, BUF_SIZE, "%D", &tm) == 8);
-	assert(!strcmp(buf, "10/19/91"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("15:23", "%R", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_min  == 23);
-	assert(tm.tm_hour == 15);
-	assert(strftime(buf, BUF_SIZE, "%R", &tm) == 5);
-	assert(!strcmp(buf, "15:23"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("17:12:56", "%T", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_sec  == 56);
-	assert(tm.tm_min  == 12);
-	assert(tm.tm_hour == 17);
-	assert(strftime(buf, BUF_SIZE, "%T", &tm) == 8);
-	assert(!strcmp(buf, "17:12:56"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("10", "%m", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_yday == 272);
-	assert(strftime(buf, BUF_SIZE, "%m", &tm) == 2);
-	assert(!strcmp(buf, "10"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("14 83", "%C %y", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_year == -417);
-	assert(strftime(buf, BUF_SIZE, "%C %y", &tm) == 5);
-	assert(!strcmp(buf, "14 83"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("32 16", "%y %C", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_year == -268);
-	assert(tm.tm_wday == 3);
-	assert(strftime(buf, BUF_SIZE, "%y %C", &tm) == 5);
-	assert(!strcmp(buf, "32 16"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("12", "%C", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_year == -700);
-	assert(tm.tm_wday == 5);
-	assert(strftime(buf, BUF_SIZE, "%C", &tm) == 2);
-	assert(!strcmp(buf, "12"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("1683-9-23", "%F", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_mday == 23);
-	assert(tm.tm_mon  == 8);
-	assert(tm.tm_year == -217);
-	assert(tm.tm_wday == 4);
-	assert(tm.tm_yday == 265);
-	assert(strftime(buf, BUF_SIZE, "%F", &tm) == 10);
-	assert(!strcmp(buf, "1683-09-23"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("14 53", "%H%t%S", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_sec  == 53);
-	assert(tm.tm_hour == 14);
-	assert(strftime(buf, BUF_SIZE, "%H%t%S", &tm) == 5);
-	assert(!strcmp(buf, "14	53"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("24", "%H", &tm);
-	assert(a == NULL);
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("0", "%I", &tm);
-	assert(a == NULL);
-	memset(&tm, 0, sizeof(tm));
-
-	setlocale(LC_TIME, "en_US.UTF-8");
-	a = strptime("10 21 PM", "%I %M %p", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_hour == 22);
-	assert(tm.tm_min  == 21);
-	assert(strftime(buf, BUF_SIZE, "%I %M %p", &tm) == 8);
-	assert(!strcmp(buf, "10 21 PM"));
-	memset(&tm, 0, sizeof(tm));
-
-	tm.tm_min = 23;
-	assert(strftime(buf, BUF_SIZE, "%I %M", &tm) == 5);
-	assert(!strcmp(buf, "12 23"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("January", "%h", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_mon == 0);
-	assert(strftime(buf, BUF_SIZE, "%h %b", &tm) == 7);
-	assert(!strcmp(buf, "Jan Jan"));
-	assert(strftime(buf, BUF_SIZE, "%B", &tm) == 7);
-	assert(!strcmp(buf, "January"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("2", "%j", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_yday == 1);
-	assert(strftime(buf, BUF_SIZE, "%j", &tm) == 3);
-	assert(!strcmp(buf, "002"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("Wednesday", "%A", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_wday == 3);
-	assert(strftime(buf, BUF_SIZE, "%A", &tm) == 9);
-	assert(!strcmp(buf, "Wednesday"));
-	memset(&tm, 0, sizeof(tm));
-
-	a = strptime("11:51:13 PM", "%r", &tm);
-	assert(a != NULL);
-	assert(*a == '\0');
-	assert(tm.tm_hour == 23);
-	assert(tm.tm_min == 51);
-	assert(tm.tm_sec == 13);
-	assert(strftime(buf, BUF_SIZE, "%r", &tm) == 11);
-	assert(!strcmp(buf, "11:51:13 PM"));
-	memset(&tm, 0, sizeof(tm));
-
-	tm.tm_hour = 0;
-	tm.tm_min = 51;
-	tm.tm_sec = 13;
-	assert(strftime(buf, BUF_SIZE, "%r", &tm) == 11);
-	assert(!strcmp(buf, "12:51:13 AM"));
-	memset(&tm, 0, sizeof(tm));
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wformat"
-	assert(strftime(buf, BUF_SIZE, "%", &tm) == 1);
-	fprintf(stderr, "%s\n", buf);
-	assert(!strcmp(buf, "%"));
-	memset(&tm, 0, sizeof(tm));
-#pragma GCC diagnostic pop
-}
diff --git a/lib/mlibc/tests/posix/timer.c b/lib/mlibc/tests/posix/timer.c
deleted file mode 100644
index f39e928..0000000
--- a/lib/mlibc/tests/posix/timer.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <stdio.h>
-#include <sys/time.h>
-#include <assert.h>
-
-int main() {
-	struct timeval a = {0, 0};
-	struct timeval b = {0, 0};
-	struct timeval res = {0, 0};
-	a.tv_sec = 10;
-	assert(timerisset(&a) == 1);
-	timerclear(&a);
-	assert(timerisset(&a) == 0);
-	a.tv_sec = 40;
-	a.tv_usec = 500;
-	b.tv_sec = 10;
-	b.tv_usec = 20;
-	timeradd(&a, &b, &res);
-	assert(res.tv_sec == 50);
-	assert(res.tv_usec == 520);
-	timerclear(&res);
-	timersub(&a, &b, &res);
-	assert(res.tv_sec == 30);
-	assert(res.tv_usec == 480);
-	return 0;
-}
diff --git a/lib/mlibc/tests/posix/vfork.c b/lib/mlibc/tests/posix/vfork.c
deleted file mode 100644
index 5f8b71d..0000000
--- a/lib/mlibc/tests/posix/vfork.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <assert.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-void prevent_atforks(void){
-	exit(1);
-}
-
-int main() {
-	pid_t pid;
-	int status;
-	assert(!pthread_atfork(prevent_atforks, NULL, NULL));
-
-	switch (pid = vfork()) {
-	case -1:
-		perror("vfork");
-		abort();
-	case 0:
-		_exit(12);
-	default: break;
-	}
-
-	assert(wait(&status) == pid);
-	assert(WIFEXITED(status) && WEXITSTATUS(status) == 12);
-}
diff --git a/lib/mlibc/tests/posix/waitid.c b/lib/mlibc/tests/posix/waitid.c
deleted file mode 100644
index e69b1ef..0000000
--- a/lib/mlibc/tests/posix/waitid.c
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <assert.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-siginfo_t si;
-
-int main() {
-	int pid = fork();
-
-	if(!pid)
-		exit(69);
-
-	int ret = waitid(P_ALL, 0, &si, WEXITED);
-	assert(ret == 0);
-	assert(si.si_pid == pid);
-	assert(si.si_signo == SIGCHLD);
-	assert(si.si_code == CLD_EXITED);
-}
\ No newline at end of file
diff --git a/lib/mlibc/tests/posix/wcwidth.c b/lib/mlibc/tests/posix/wcwidth.c
deleted file mode 100644
index 2e6fc8c..0000000
--- a/lib/mlibc/tests/posix/wcwidth.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <assert.h>
-#include <locale.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <wchar.h>
-
-#if UINTPTR_MAX == UINT64_MAX
-#define WCHAR_SPEC ""
-#else
-#define WCHAR_SPEC "l"
-#endif
-
-/*
- * The code in this test is taken from https://github.com/termux/wcwidth/,
- * under the following license:
- *
- * Copyright (C) Fredrik Fornwall 2016.
- * Distributed under the MIT License.
- *
- * Implementation of wcwidth(3) as a C port of:
- * https://github.com/jquast/wcwidth
- *
- * Report issues at:
- * https://github.com/termux/wcwidth
- */
-
-static int tests_run;
-static int test_failures;
-
-void assertWidthIs(int expected_width, wchar_t c) {
-	tests_run++;
-	int actual_width = wcwidth(c);
-	if (actual_width != expected_width) {
-		fprintf(stderr, "ERROR: wcwidth(U+%04" WCHAR_SPEC "x, '%lc') returned %d, expected %d\n", c, (wint_t) c, actual_width, expected_width);
-		test_failures++;
-	}
-}
-
-int main() {
-	setlocale(LC_CTYPE, "C.UTF-8");
-	assertWidthIs(1, 'a');
-	assertWidthIs(1, L'ö');
-
-	// Some wide:
-	assertWidthIs(2, L'Ａ');
-	assertWidthIs(2, L'Ｂ');
-	assertWidthIs(2, L'Ｃ');
-	assertWidthIs(2, L'中');
-	assertWidthIs(2, L'文');
-	assertWidthIs(2, 0x679C);
-	assertWidthIs(2, 0x679D);
-	assertWidthIs(2, 0x2070E);
-	assertWidthIs(2, 0x20731);
-
-#ifndef USE_HOST_LIBC
-	assertWidthIs(1, 0x11A3);
-#endif
-
-	assertWidthIs(2, 0x1F428); // Koala emoji.
-	assertWidthIs(2, 0x231a);  // Watch emoji.
-
-	if (test_failures > 0) printf("%d tests FAILED, ", test_failures);
-	printf("%d tests OK\n", tests_run - test_failures);
-	return (test_failures == 0) ? 0 : 1;
-}
diff --git a/lib/mlibc/tests/posix/wordexp.c b/lib/mlibc/tests/posix/wordexp.c
deleted file mode 100644
index 063a374..0000000
--- a/lib/mlibc/tests/posix/wordexp.c
+++ /dev/null
@@ -1,140 +0,0 @@
-#include <assert.h>
-#include <limits.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <pwd.h>
-#include <unistd.h>
-#include <wordexp.h>
-
-static const char *wordexp_return_stringify(int val, int *should_free);
-
-struct we_test {
-	int expected_return;
-	const char *words;
-	int flags;
-	const char *wordv[16];
-	size_t wordc;
-} test_cases[] = {
-	/* (unbalanced) pairs */
-	{WRDE_SYNTAX, "\\", 0, {NULL}, 0},
-	{WRDE_SYNTAX, "\'", 0, {NULL}, 0},
-	{0, "\'\'", 0, {""}, 1},
-	{0, "\'\"\'", 0, {"\""}, 1},
-	{WRDE_SYNTAX, "\"\'", 0, {NULL}, 0},
-
-	/* numbers & calculations */
-	{0, "$((5+5))", 0, {"10"}, 1},
-	{0, "$((-5+5))", 0, {"0"}, 1},
-	{0, "$((010))", 0, {"8"}, 1},
-	{0, "$((0x10))", 0, {"16"}, 1},
-
-	/* errant symbols */
-	{WRDE_BADCHAR, "(string", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string)", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "{string", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string}", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "<string", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string>", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string|", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string;", WRDE_NOCMD, {NULL}, 0},
-	{WRDE_BADCHAR, "string&", WRDE_NOCMD, {NULL}, 0},
-
-	/* command substitution with WRDE_NOCMD */
-	{WRDE_CMDSUB, "$(pwd)", WRDE_NOCMD, {NULL}, 0},
-
-	/* env vars */
-	{WRDE_BADVAL, "$DOES_NOT_EXIST", WRDE_UNDEF, {NULL}, 0},
-
-	/* normal arguments */
-	{0, "arg1 arg2", 0, {"arg1", "arg2"}, 2},
-	{-1, NULL, 0, {NULL}, 0},
-};
-
-int main() {
-	wordexp_t we;
-
-	wordexp("$(pwd)", &we, 0);
-	char *cwd = getcwd(NULL, 0);
-	assert(!strcmp(cwd, we.we_wordv[0]));
-	wordfree(&we);
-	free(cwd);
-
-	char *home;
-	assert(asprintf(&home, "%s/.config", getenv("HOME")) != -1);
-	wordexp("$HOME ~ ~/.config", &we, WRDE_REUSE);
-	assert(!strcmp(getenv("HOME"), we.we_wordv[0]));
-	assert(!strcmp(getenv("HOME"), we.we_wordv[1]));
-	assert(!strcmp(home, we.we_wordv[2]));
-	free(home);
-	wordfree(&we);
-
-	struct passwd *pw = getpwnam("root");
-	assert(asprintf(&home, "%s/.config", pw->pw_dir) != -1);
-	wordexp("~root ~root/.config", &we, WRDE_REUSE);
-	assert(!strcmp(pw->pw_dir, we.we_wordv[0]));
-	assert(!strcmp(home, we.we_wordv[1]));
-	free(home);
-	wordfree(&we);
-
-	size_t i = 0;
-
-	for(struct we_test *test = &test_cases[i]; test->expected_return != -1; test = &test_cases[++i]) {
-		wordexp_t test_we;
-
-		int should_free;
-		const char *expected = wordexp_return_stringify(test->expected_return, &should_free);
-		fprintf(stderr, "TESTCASE %zu: '%s' with flags %d expected to return %s\n", i, test->words, test->flags, expected);
-		int test_ret = wordexp(test->words, &test_we, test->flags);
-
-		if(test_ret != test->expected_return) {
-			fprintf(stderr, "\twordexp() returned %s, but we expect %s\n", wordexp_return_stringify(test_ret, &should_free), wordexp_return_stringify(test->expected_return, &should_free));
-		}
-
-		assert(test_ret == test->expected_return);
-
-		if(test_ret != 0)
-			continue;
-
-		assert(test_we.we_wordc == test->wordc);
-
-		for(size_t j = 0; j < 16 && j < test->wordc; j++) {
-			assert(test->wordv[j] && test_we.we_wordv[j]);
-			assert(!strcmp(test->wordv[j], test_we.we_wordv[j]));
-		}
-
-		wordfree(&test_we);
-		if (should_free)
-			free((void *)expected);
-	}
-
-	exit(EXIT_SUCCESS);
-}
-
-struct wordexp_return_val {
-	int val;
-	const char *string;
-} wordexp_return_vals[] = {
-	{0, "WRDE_SUCCESS"},
-	{WRDE_BADCHAR, "WRDE_BADCHAR"},
-	{WRDE_BADVAL, "WRDE_BADVAL"},
-	{WRDE_CMDSUB, "WRDE_CMDSUB"},
-	{WRDE_SYNTAX, "WRDE_SYNTAX"},
-	{-1, NULL},
-};
-
-static const char *wordexp_return_stringify(int val, int *should_free) {
-	for(size_t i = 0; wordexp_return_vals[i].val != -1 || wordexp_return_vals[i].string; i++) {
-		if(wordexp_return_vals[i].val == val) {
-			*should_free = 0;
-			return wordexp_return_vals[i].string;
-		}
-	}
-
-	char *unknown;
-	assert(asprintf(&unknown, "unknown return value %d", val) != -1);
-	*should_free = 1;
-
-	return unknown;
-}
diff --git a/lib/mlibc/tests/rtdl/dl_iterate_phdr/libbar.c b/lib/mlibc/tests/rtdl/dl_iterate_phdr/libbar.c
deleted file mode 100644
index 41ccc56..0000000
--- a/lib/mlibc/tests/rtdl/dl_iterate_phdr/libbar.c
+++ /dev/null
@@ -1,3 +0,0 @@
-// Bar needs to have a relocation against foo in order to set DT_NEEDED.
-int foo(void);
-int bar() { return foo(); }
diff --git a/lib/mlibc/tests/rtdl/dl_iterate_phdr/libfoo.c b/lib/mlibc/tests/rtdl/dl_iterate_phdr/libfoo.c
deleted file mode 100644
index 9fe07f8..0000000
--- a/lib/mlibc/tests/rtdl/dl_iterate_phdr/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-int foo() { return 0; }
diff --git a/lib/mlibc/tests/rtdl/dl_iterate_phdr/meson.build b/lib/mlibc/tests/rtdl/dl_iterate_phdr/meson.build
deleted file mode 100644
index acb679e..0000000
--- a/lib/mlibc/tests/rtdl/dl_iterate_phdr/meson.build
+++ /dev/null
@@ -1,7 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-libbar = shared_library('bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo)
-test_depends = [libfoo, libbar]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-test_native_depends = [libfoo_native, libbar_native]
diff --git a/lib/mlibc/tests/rtdl/dl_iterate_phdr/test.c b/lib/mlibc/tests/rtdl/dl_iterate_phdr/test.c
deleted file mode 100644
index 5d48a41..0000000
--- a/lib/mlibc/tests/rtdl/dl_iterate_phdr/test.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <assert.h>
-#include <link.h>
-#include <string.h>
-#include <dlfcn.h>
-#include <stdio.h>
-
-#ifdef USE_HOST_LIBC
-#define LDSO_PATTERN "ld-linux-"
-#define LIBFOO "libnative-foo.so"
-#define LIBBAR "libnative-bar.so"
-#else
-#define LDSO_PATTERN "ld.so"
-#define LIBFOO "libfoo.so"
-#define LIBBAR "libbar.so"
-#endif
-
-struct result {
-	int found_ldso;
-	int found_self;
-	int found_foo;
-	int found_bar;
-};
-
-static int ends_with(const char *suffix, const char *s) {
-	size_t suffix_len = strlen(suffix);
-	size_t s_len = strlen(s);
-	if (s_len < suffix_len)
-		return 0;
-	else {
-		return !strcmp(suffix, s + s_len - suffix_len);
-	}
-}
-
-static int contains(const char *pattern, const char *s) {
-	return !!strstr(s, pattern);
-}
-
-static int callback(struct dl_phdr_info *info, size_t size, void *data) {
-	assert(size == sizeof(struct dl_phdr_info));
-	struct result *found = (struct result *) data;
-
-	printf("%s\n", info->dlpi_name);
-	fflush(stdout);
-
-	if (ends_with("foo.so", info->dlpi_name))
-		found->found_foo++;
-	if (ends_with("bar.so", info->dlpi_name))
-		found->found_bar++;
-	if (contains(LDSO_PATTERN, info->dlpi_name))
-		found->found_ldso++;
-
-	if (!strcmp("", info->dlpi_name))
-		found->found_self++;
-
-	assert(info->dlpi_phdr);
-	return 0;
-}
-
-int main() {
-	struct result found = { 0 };
-	assert(!dl_iterate_phdr(callback, &found));
-	assert(found.found_ldso == 1);
-	assert(found.found_self == 1);
-	assert(found.found_foo == 0);
-	assert(found.found_bar == 0);
-	printf("---\n");
-
-	memset(&found, 0, sizeof(found));
-	void *bar = dlopen(LIBBAR, RTLD_LOCAL | RTLD_NOW);
-	assert(bar);
-	assert(!dl_iterate_phdr(callback, &found));
-	assert(found.found_ldso == 1);
-	assert(found.found_self == 1);
-	assert(found.found_bar == 1);
-	assert(found.found_foo == 1); // Since bar depends on foo.
-	printf("---\n");
-
-	memset(&found, 0, sizeof(found));
-	void *foo = dlopen(LIBFOO, RTLD_GLOBAL | RTLD_NOW);
-	assert(foo);
-	assert(!dl_iterate_phdr(callback, &found));
-	assert(found.found_ldso == 1);
-	assert(found.found_self == 1);
-	assert(found.found_foo == 1);
-	assert(found.found_bar == 1);
-	printf("---\n");
-
-	dlclose(bar);
-	dlclose(foo);
-	return 0;
-}
diff --git a/lib/mlibc/tests/rtdl/dladdr_local/libfoo.c b/lib/mlibc/tests/rtdl/dladdr_local/libfoo.c
deleted file mode 100644
index 2903a3d..0000000
--- a/lib/mlibc/tests/rtdl/dladdr_local/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-char foo_global[] = "";
diff --git a/lib/mlibc/tests/rtdl/dladdr_local/meson.build b/lib/mlibc/tests/rtdl/dladdr_local/meson.build
deleted file mode 100644
index 4ae6bb3..0000000
--- a/lib/mlibc/tests/rtdl/dladdr_local/meson.build
+++ /dev/null
@@ -1,5 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-test_depends = [libfoo]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-test_native_depends = [libfoo_native]
diff --git a/lib/mlibc/tests/rtdl/dladdr_local/test.c b/lib/mlibc/tests/rtdl/dladdr_local/test.c
deleted file mode 100644
index c64d259..0000000
--- a/lib/mlibc/tests/rtdl/dladdr_local/test.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <dlfcn.h>
-#include <assert.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#else
-#define LIBFOO "libfoo.so"
-#endif
-
-int main() {
-	void *foo_handle = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
-	assert(foo_handle);
-	
-	char *foo_global = (char *)dlsym(foo_handle, "foo_global");
-	assert(foo_global);
-	
-	Dl_info info;
-	assert(dladdr((const void *)foo_global, &info) != 0);
-	
-	assert(dlclose(foo_handle) == 0);
-}
diff --git a/lib/mlibc/tests/rtdl/ld_library_path/libfoo.c b/lib/mlibc/tests/rtdl/ld_library_path/libfoo.c
deleted file mode 100644
index 85e6cd8..0000000
--- a/lib/mlibc/tests/rtdl/ld_library_path/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-void foo() {}
diff --git a/lib/mlibc/tests/rtdl/ld_library_path/meson.build b/lib/mlibc/tests/rtdl/ld_library_path/meson.build
deleted file mode 100644
index 95629be..0000000
--- a/lib/mlibc/tests/rtdl/ld_library_path/meson.build
+++ /dev/null
@@ -1,19 +0,0 @@
-# Remove the RPATH and set the LD_LIBRARY_PATH environment variable
-# instead when running tests to make sure the library can be found
-# in a directory specified by the user at runtime
-
-test_rpath = '$ORIGIN/'
-
-test_ld_path = meson.build_root() / 'tests' / 'rtdl' / test_name
-test_env += ['LD_LIBRARY_PATH=' + test_ld_path]
-test_native_env += ['LD_LIBRARY_PATH=' + test_ld_path]
-
-libfoo = shared_library('foo', 'libfoo.c',
-	dependencies: libc_dep,
-	link_args: test_additional_link_args,
-)
-
-libfoo_native = shared_library('native-foo', 'libfoo.c',
-	link_args: ['-ldl'] + test_additional_link_args,
-	native: true
-)
diff --git a/lib/mlibc/tests/rtdl/ld_library_path/test.c b/lib/mlibc/tests/rtdl/ld_library_path/test.c
deleted file mode 100644
index 15ca200..0000000
--- a/lib/mlibc/tests/rtdl/ld_library_path/test.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <dlfcn.h>
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#else
-#define LIBFOO "libfoo.so"
-#endif
-
-int main() {
-	void *foo = dlopen(LIBFOO, RTLD_NOW);
-	assert(foo);
-	dlclose(foo);
-}
diff --git a/lib/mlibc/tests/rtdl/meson.build b/lib/mlibc/tests/rtdl/meson.build
deleted file mode 100644
index 1331899..0000000
--- a/lib/mlibc/tests/rtdl/meson.build
+++ /dev/null
@@ -1,56 +0,0 @@
-rtdl_test_cases = [
-	'dl_iterate_phdr',
-	'dladdr_local',
-	'ld_library_path',
-	'noload-promote',
-	'rtld_next',
-	'soname',
-	'preinit',
-	'scope1',
-	'scope2',
-	'scope3',
-	'scope4',
-	'scope5',
-	'tls_align',
-]
-
-foreach test_name : rtdl_test_cases 
-	test_rpath = meson.build_root() / 'tests' / 'rtdl' / test_name / ''
-	test_rpath += ':$ORIGIN/' # Workaround old and buggy qemu-user on CI
-
-	test_env = []
-	test_link_with = []
-	test_depends = []
-	test_native_env = []
-	test_native_link_with = []
-	test_native_depends = []
-	test_additional_link_args = []
-
-	# Build the needed DSOs for the test. This sets the variables above.
-	subdir(test_name)
-
-	exec = executable('rtdl-' + test_name, [test_name / 'test.c', test_sources],
-		link_with: test_link_with,
-		dependencies: libc_dep,
-		build_rpath: test_rpath,
-		override_options: test_override_options,
-		c_args: test_c_args,
-		link_args: test_link_args + test_additional_link_args,
-	)
-	test(test_name, exec, env: test_env, suite: 'rtdl', depends: test_depends)
-
-	if build_tests_host_libc and not host_libc_excluded_test_cases.contains(test_name)
-		exec = executable('host-libc-' + test_name, test_name / 'test.c',
-			link_with: test_native_link_with,
-			dependencies: rtlib_deps,
-			build_rpath: test_rpath,
-			# Don't use ASan here, due to a bug that breaks dlopen() + DT_RUNPATH:
-			# https://bugzilla.redhat.com/show_bug.cgi?id=1449604
-			override_options: 'b_sanitize=undefined',
-			c_args: ['-D_GNU_SOURCE', '-DUSE_HOST_LIBC'],
-			link_args: ['-ldl'] + test_additional_link_args,
-			native: true,
-		)
-		test(test_name, exec, env: test_native_env, suite: ['host-libc', 'rtdl'], depends: test_native_depends)
-	endif
-endforeach
diff --git a/lib/mlibc/tests/rtdl/noload-promote/libfoo.c b/lib/mlibc/tests/rtdl/noload-promote/libfoo.c
deleted file mode 100644
index 85e6cd8..0000000
--- a/lib/mlibc/tests/rtdl/noload-promote/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-void foo() {}
diff --git a/lib/mlibc/tests/rtdl/noload-promote/meson.build b/lib/mlibc/tests/rtdl/noload-promote/meson.build
deleted file mode 100644
index 4ae6bb3..0000000
--- a/lib/mlibc/tests/rtdl/noload-promote/meson.build
+++ /dev/null
@@ -1,5 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-test_depends = [libfoo]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-test_native_depends = [libfoo_native]
diff --git a/lib/mlibc/tests/rtdl/noload-promote/test.c b/lib/mlibc/tests/rtdl/noload-promote/test.c
deleted file mode 100644
index 0a6c55c..0000000
--- a/lib/mlibc/tests/rtdl/noload-promote/test.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <dlfcn.h>
-#include <assert.h>
-#include <stddef.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#else
-#define LIBFOO "libfoo.so"
-#endif
-
-int main() {
-	void *foo = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
-	assert(foo);
-
-	assert(dlsym(RTLD_DEFAULT, "foo") == NULL);
-
-	// Opening a library with RTLD_NOLOAD | RTLD_GLOBAL should promote it to the global scope.
-	assert(dlopen(LIBFOO, RTLD_NOLOAD | RTLD_GLOBAL | RTLD_NOW) == foo);
-	assert(dlsym(RTLD_DEFAULT, "foo") != NULL);
-	
-	assert(dlopen("does-not-exist.so.1337", RTLD_NOLOAD | RTLD_GLOBAL | RTLD_NOW) == NULL);
-}
diff --git a/lib/mlibc/tests/rtdl/preinit/libfoo.c b/lib/mlibc/tests/rtdl/preinit/libfoo.c
deleted file mode 100644
index 9c834ea..0000000
--- a/lib/mlibc/tests/rtdl/preinit/libfoo.c
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-
-int fooDone = 0;
-
-// DSOs do not support pre-initialization functions.
-
-__attribute__((constructor))
-void fooInit() {
-	dprintf(1, "initialization function called in foo\n");
-
-	assert(fooDone == 0);
-	fooDone++;
-}
-
-int isFooDone() {
-	return fooDone;
-}
diff --git a/lib/mlibc/tests/rtdl/preinit/meson.build b/lib/mlibc/tests/rtdl/preinit/meson.build
deleted file mode 100644
index 1a7f398..0000000
--- a/lib/mlibc/tests/rtdl/preinit/meson.build
+++ /dev/null
@@ -1,18 +0,0 @@
-if host_machine.cpu_family() == 'riscv64'
-	# gp isn't initialized until after crt1.o runs, so to access
-	# globals in our pre-initializers we must disable it.
-	test_additional_link_args = ['-Wl,--no-relax']
-endif
-
-libfoo = shared_library('foo', 'libfoo.c',
-	dependencies: libc_dep,
-	override_options: 'b_sanitize=none',
-	link_args: test_additional_link_args,
-)
-test_link_with = [libfoo]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c',
-	link_args: ['-ldl'] + test_additional_link_args,
-	native: true
-)
-test_native_link_with = [libfoo_native]
diff --git a/lib/mlibc/tests/rtdl/preinit/test.c b/lib/mlibc/tests/rtdl/preinit/test.c
deleted file mode 100644
index 5b5d5e8..0000000
--- a/lib/mlibc/tests/rtdl/preinit/test.c
+++ /dev/null
@@ -1,44 +0,0 @@
-#include <stdio.h>
-#include <assert.h>
-
-int mainDone = 0;
-
-int isFooDone();
-
-void preInit1() {
-	// Use dprintf because stdout might not be initialized yet.
-	dprintf(1, "pre-initialization function 1 called in main executable\n");
-
-	assert(isFooDone() == 0);
-	assert(mainDone == 0);
-	mainDone++;
-}
-
-void preInit2() {
-	dprintf(1, "pre-initialization function 2 called in main executable\n");
-
-	assert(isFooDone() == 0);
-	assert(mainDone == 1);
-	mainDone++;
-}
-
-__attribute__((constructor))
-void mainInit() {
-	dprintf(1, "initialization function called in main executable\n");
-
-	assert(isFooDone() == 1);
-	assert(mainDone == 2);
-	mainDone++;
-}
-
-// Manually register the pre-initialization functions.
-__attribute__((used, section(".preinit_array")))
-static void (*preinitFunctions[])(void) = {
-	&preInit1,
-	&preInit2,
-};
-
-int main() {
-	assert(isFooDone() == 1);
-	assert(mainDone == 3);
-}
diff --git a/lib/mlibc/tests/rtdl/rtld_next/libbar.c b/lib/mlibc/tests/rtdl/rtld_next/libbar.c
deleted file mode 100644
index c0950c5..0000000
--- a/lib/mlibc/tests/rtdl/rtld_next/libbar.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <dlfcn.h>
-
-typedef char *charFn(void);
-
-__attribute__((weak))
-char *definedInBoth() {
-	return "bar";
-}
-
-charFn *barGetDefault() {
-	return (charFn *)dlsym(RTLD_DEFAULT, "definedInBoth");
-}
-
-charFn *barGetNext() {
-	return (charFn *)dlsym(RTLD_NEXT, "definedInBoth");
-}
diff --git a/lib/mlibc/tests/rtdl/rtld_next/libfoo.c b/lib/mlibc/tests/rtdl/rtld_next/libfoo.c
deleted file mode 100644
index 1d46b73..0000000
--- a/lib/mlibc/tests/rtdl/rtld_next/libfoo.c
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <dlfcn.h>
-
-typedef char *charFn(void);
-
-__attribute__((weak))
-char *definedInBoth() {
-	return "foo";
-}
-
-charFn *fooGetDefault() {
-	return (charFn *)dlsym(RTLD_DEFAULT, "definedInBoth");
-}
-
-charFn *fooGetNext() {
-	return (charFn *)dlsym(RTLD_NEXT, "definedInBoth");
-}
-
diff --git a/lib/mlibc/tests/rtdl/rtld_next/meson.build b/lib/mlibc/tests/rtdl/rtld_next/meson.build
deleted file mode 100644
index d156c24..0000000
--- a/lib/mlibc/tests/rtdl/rtld_next/meson.build
+++ /dev/null
@@ -1,25 +0,0 @@
-# Prevent tail calls, as it breaks libc's 'calling object' detection.
-no_tail_calls = '-fno-optimize-sibling-calls'
-
-libfoo = shared_library('foo', 'libfoo.c',
-	dependencies: libc_dep,
-	c_args: no_tail_calls,
-)
-libbar = shared_library('bar', 'libbar.c',
-	dependencies: libc_dep,
-	c_args: no_tail_calls,
-)
-test_link_with = [libfoo, libbar] # foo is linked before bar
-
-libfoo_native = shared_library('native-foo', 'libfoo.c',
-	c_args: [no_tail_calls, '-D_GNU_SOURCE'],
-	link_args: '-ldl',
-	native: true
-)
-libbar_native = shared_library('native-bar', 'libbar.c',
-	c_args: [no_tail_calls, '-D_GNU_SOURCE'],
-	link_args: '-ldl',
-	native: true
-)
-test_native_link_with = [libfoo_native, libbar_native]
-
diff --git a/lib/mlibc/tests/rtdl/rtld_next/test.c b/lib/mlibc/tests/rtdl/rtld_next/test.c
deleted file mode 100644
index 3e90a63..0000000
--- a/lib/mlibc/tests/rtdl/rtld_next/test.c
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <string.h>
-#include <assert.h>
-
-typedef char *charFn(void);
-charFn *fooGetDefault(void);
-charFn *fooGetNext(void);
-charFn *barGetDefault(void);
-charFn *barGetNext(void);
-
-int main() {
-	charFn *ret;
-
-	ret = fooGetDefault();
-	assert(ret != NULL);
-	assert(!strcmp(ret(), "foo"));
-
-	ret = fooGetNext();
-	assert(ret != NULL);
-	assert(!strcmp(ret(), "bar"));
-
-	ret = barGetDefault();
-	assert(ret != NULL);
-	assert(!strcmp(ret(), "foo"));
-
-	assert(barGetNext() == NULL);
-}
diff --git a/lib/mlibc/tests/rtdl/scope1/libbar.c b/lib/mlibc/tests/rtdl/scope1/libbar.c
deleted file mode 100644
index ecf043e..0000000
--- a/lib/mlibc/tests/rtdl/scope1/libbar.c
+++ /dev/null
@@ -1,14 +0,0 @@
-char *foo(void);
-char *foo_global(void);
-
-char *bar() {
-	return "bar";
-}
-
-char *bar_calls_foo() {
-	return foo();
-}
-
-char *bar_calls_foo_global() {
-	return foo_global();
-}
diff --git a/lib/mlibc/tests/rtdl/scope1/libfoo.c b/lib/mlibc/tests/rtdl/scope1/libfoo.c
deleted file mode 100644
index b4e1b8c..0000000
--- a/lib/mlibc/tests/rtdl/scope1/libfoo.c
+++ /dev/null
@@ -1,9 +0,0 @@
-char *foo() {
-	return "foo";
-}
-
-char global[] = "foo global";
-
-char *foo_global() {
-	return global;
-}
diff --git a/lib/mlibc/tests/rtdl/scope1/meson.build b/lib/mlibc/tests/rtdl/scope1/meson.build
deleted file mode 100644
index acb679e..0000000
--- a/lib/mlibc/tests/rtdl/scope1/meson.build
+++ /dev/null
@@ -1,7 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-libbar = shared_library('bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo)
-test_depends = [libfoo, libbar]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-test_native_depends = [libfoo_native, libbar_native]
diff --git a/lib/mlibc/tests/rtdl/scope1/test.c b/lib/mlibc/tests/rtdl/scope1/test.c
deleted file mode 100644
index c19915d..0000000
--- a/lib/mlibc/tests/rtdl/scope1/test.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <stddef.h>
-#include <dlfcn.h>
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#define LIBBAR "libnative-bar.so"
-#else
-#define LIBFOO "libfoo.so"
-#define LIBBAR "libbar.so"
-#endif
-
-typedef char *strfn(void);
-
-int main() {
-	// We haven't dlopen'd these libs yet, so symbol resolution should fail.
-	assert(dlsym(RTLD_DEFAULT, "foo") == NULL);
-	assert(dlsym(RTLD_DEFAULT, "bar") == NULL);
-
-	assert(!dlopen(LIBFOO, RTLD_NOLOAD));
-	assert(!dlopen(LIBBAR, RTLD_NOLOAD));
-
-	void *foo_handle = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
-	assert(foo_handle);
-	assert(dlopen(LIBFOO, RTLD_NOLOAD | RTLD_NOW));
-
-	strfn *foo_sym = dlsym(foo_handle, "foo");
-	assert(foo_sym);
-	assert(foo_sym());
-	assert(!strcmp(foo_sym(), "foo"));
-
-	strfn *foo_global_sym = dlsym(foo_handle, "foo_global");
-	assert(foo_global_sym);
-	assert(foo_global_sym());
-	assert(!strcmp(foo_global_sym(), "foo global"));
-
-	assert(dlsym(foo_handle, "doesnotexist") == NULL);
-
-	// Nested opening should work
-	assert(dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW) == foo_handle);
-	assert(dlopen(LIBFOO, RTLD_NOLOAD | RTLD_NOW));
-
-	// Since we've loaded the same library twice, the addresses should be the same
-	assert(dlsym(foo_handle, "foo") == foo_sym);
-	assert(dlsym(foo_handle, "foo_global") == foo_global_sym);
-
-	// libfoo was opened with RTLD_LOCAL, so we shouldn't be able to lookup
-	// its symbols in the global namespace.
-	assert(dlsym(RTLD_DEFAULT, "foo") == NULL);
-
-	{
-		void *bar_handle = dlopen(LIBBAR, RTLD_GLOBAL | RTLD_NOW);
-		assert(bar_handle);
-		assert(dlopen(LIBBAR, RTLD_NOLOAD | RTLD_NOW));
-		
-		strfn *bar_sym = dlsym(bar_handle, "bar");
-		assert(bar_sym);
-		assert(bar_sym());
-		assert(!strcmp(bar_sym(), "bar"));
-		
-		strfn *bar_calls_foo_sym = dlsym(bar_handle, "bar_calls_foo");
-		assert(bar_calls_foo_sym);
-		assert(bar_calls_foo_sym());
-		assert(!strcmp(bar_calls_foo_sym(), "foo"));
-		
-		strfn *bar_calls_foo_global_sym = dlsym(bar_handle, "bar_calls_foo_global");
-		assert(bar_calls_foo_global_sym);
-		assert(bar_calls_foo_global_sym());
-		assert(!strcmp(bar_calls_foo_global_sym(), "foo global"));
-
-		// libbar was opened with RTLD_GLOBAL, so we can find symbols by
-		// searching in the global scope.
-		strfn *new_bar_sym = dlsym(RTLD_DEFAULT, "bar");
-		assert(new_bar_sym);
-		assert(new_bar_sym == bar_sym);
-
-		// Note that we loaded libbar with RTLD_GLOBAL, which should pull
-		// in libfoo's symbols globally too.
-		strfn *new_foo_sym = dlsym(RTLD_DEFAULT, "foo");
-		assert(new_foo_sym);
-		assert(new_foo_sym == foo_sym);
-
-		assert(dlclose(bar_handle) == 0);
-	}
-
-	assert(dlclose(foo_handle) == 0);
-	assert(dlclose(foo_handle) == 0);
-}
diff --git a/lib/mlibc/tests/rtdl/scope2/libbar.c b/lib/mlibc/tests/rtdl/scope2/libbar.c
deleted file mode 100644
index 4783c58..0000000
--- a/lib/mlibc/tests/rtdl/scope2/libbar.c
+++ /dev/null
@@ -1,5 +0,0 @@
-char *foo_baz_conflict(void);
-
-char *bar_calls_foo_baz_conflict() {
-	return foo_baz_conflict();
-}
diff --git a/lib/mlibc/tests/rtdl/scope2/libbaz.c b/lib/mlibc/tests/rtdl/scope2/libbaz.c
deleted file mode 100644
index fc73adc..0000000
--- a/lib/mlibc/tests/rtdl/scope2/libbaz.c
+++ /dev/null
@@ -1,3 +0,0 @@
-char *foo_baz_conflict() {
-	return "resolved to baz";
-}
diff --git a/lib/mlibc/tests/rtdl/scope2/libfoo.c b/lib/mlibc/tests/rtdl/scope2/libfoo.c
deleted file mode 100644
index 9f7b881..0000000
--- a/lib/mlibc/tests/rtdl/scope2/libfoo.c
+++ /dev/null
@@ -1,3 +0,0 @@
-char *foo_baz_conflict() {
-	return "resolved to foo";
-}
diff --git a/lib/mlibc/tests/rtdl/scope2/meson.build b/lib/mlibc/tests/rtdl/scope2/meson.build
deleted file mode 100644
index 938272c..0000000
--- a/lib/mlibc/tests/rtdl/scope2/meson.build
+++ /dev/null
@@ -1,9 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-libbar = shared_library('bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo)
-libbaz = shared_library('baz', 'libbaz.c')
-test_depends = [libfoo, libbar, libbaz]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-libbaz_native = shared_library('native-baz', 'libbaz.c', native: true)
-test_native_depends = [libfoo_native, libbar_native, libbaz_native]
diff --git a/lib/mlibc/tests/rtdl/scope2/test.c b/lib/mlibc/tests/rtdl/scope2/test.c
deleted file mode 100644
index f4f42dc..0000000
--- a/lib/mlibc/tests/rtdl/scope2/test.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <stddef.h>
-#include <dlfcn.h>
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBBAR "libnative-bar.so"
-#define LIBBAZ "libnative-baz.so"
-#else
-#define LIBBAR "libbar.so"
-#define LIBBAZ "libbaz.so"
-#endif
-
-typedef char *strfn(void);
-
-int main() {
-	void *baz = dlopen(LIBBAZ, RTLD_LAZY | RTLD_GLOBAL);
-	assert(baz);
-
-	// At this point, baz is loaded in the global scope. When we load bar locally,
-	// there is a relocation to `foo_baz_conflict` which is defined in both
-	// foo (which is a dependency of bar), and baz. In this case baz should win
-	// since we search the global scope first.
-
-	void *bar = dlopen(LIBBAR, RTLD_LAZY | RTLD_LOCAL);
-	assert(bar);
-
-	strfn *bfn = dlsym(bar, "bar_calls_foo_baz_conflict");
-	assert(!strcmp(bfn(), "resolved to baz"));
-
-	// TODO: Test RTLD_DEEPBIND and DT_SYMBOLIC once we implement it.
-
-	dlclose(bar);
-	dlclose(baz);
-}
diff --git a/lib/mlibc/tests/rtdl/scope3/libbar.c b/lib/mlibc/tests/rtdl/scope3/libbar.c
deleted file mode 100644
index dc377b6..0000000
--- a/lib/mlibc/tests/rtdl/scope3/libbar.c
+++ /dev/null
@@ -1,8 +0,0 @@
-int g = 1;
-
-int call_foo();
-
-int call_bar() {
-	return call_foo();
-}
-
diff --git a/lib/mlibc/tests/rtdl/scope3/libbaz.c b/lib/mlibc/tests/rtdl/scope3/libbaz.c
deleted file mode 100644
index 32524cc..0000000
--- a/lib/mlibc/tests/rtdl/scope3/libbaz.c
+++ /dev/null
@@ -1,7 +0,0 @@
-int g = 2;
-
-int call_foo();
-
-int call_baz() {
-	return call_foo();
-}
diff --git a/lib/mlibc/tests/rtdl/scope3/libfoo.c b/lib/mlibc/tests/rtdl/scope3/libfoo.c
deleted file mode 100644
index bc86319..0000000
--- a/lib/mlibc/tests/rtdl/scope3/libfoo.c
+++ /dev/null
@@ -1,5 +0,0 @@
-int g = 0;
-
-int call_foo() {
-	return g;
-}
diff --git a/lib/mlibc/tests/rtdl/scope3/meson.build b/lib/mlibc/tests/rtdl/scope3/meson.build
deleted file mode 100644
index 0c98583..0000000
--- a/lib/mlibc/tests/rtdl/scope3/meson.build
+++ /dev/null
@@ -1,9 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-libbar = shared_library('bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo)
-libbaz = shared_library('baz', 'libbaz.c', build_rpath: test_rpath, link_with: libfoo)
-test_depends = [libfoo, libbar, libbaz]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-libbaz_native = shared_library('native-baz', 'libbaz.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-test_native_depends = [libfoo_native, libbar_native, libbaz_native]
diff --git a/lib/mlibc/tests/rtdl/scope3/test.c b/lib/mlibc/tests/rtdl/scope3/test.c
deleted file mode 100644
index 30fc662..0000000
--- a/lib/mlibc/tests/rtdl/scope3/test.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <dlfcn.h>
-#include <stdio.h>
-#include <assert.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBBAR "libnative-bar.so"
-#define LIBBAZ "libnative-baz.so"
-#else
-#define LIBBAR "libbar.so"
-#define LIBBAZ "libbaz.so"
-#endif
-
-int main() {
-	// In this test, we have bar -> foo and baz -> foo (where -> means 'depends on').
-	// All three objects contain a definition of a symbol g. Bar calls into foo to retrieve
-	// what foo thinks g is, but since bar appears earlier in the scope than foo, bar's copy
-	// of g wins.
-	//
-	// Next, we load baz, which is identical to bar. When baz calls into foo to retrieve g,
-	// foo still sees bar's definition of g, so bar's copy of g wins.
-	//
-	// Swapping the load order of bar and baz should therefore change the value of g which
-	// foo sees. This behaviour is why dlmopen exists. If we ever implement that, we should
-	// write a similar test and assert that the calls return different results.
-
-	void *libbar = dlopen(LIBBAR, RTLD_LAZY | RTLD_LOCAL);
-	int (*call_bar)(void) = dlsym(libbar, "call_bar");
-	printf("call_bar: %d\n", call_bar());
-	assert(call_bar() == 1);
-
-	void *libbaz = dlopen(LIBBAZ, RTLD_LAZY | RTLD_LOCAL);
-	int (*call_baz)(void) = dlsym(libbaz, "call_baz");
-	printf("call_baz: %d\n", call_baz());
-	assert(call_baz() == 1);
-
-
-	dlclose(libbar);
-	dlclose(libbaz);
-}
diff --git a/lib/mlibc/tests/rtdl/scope4/libbar.c b/lib/mlibc/tests/rtdl/scope4/libbar.c
deleted file mode 100644
index 514e456..0000000
--- a/lib/mlibc/tests/rtdl/scope4/libbar.c
+++ /dev/null
@@ -1,3 +0,0 @@
-// Bar needs to have a relocation against foo in order to set DT_NEEDED.
-void foo(void);
-void bar() { foo(); }
diff --git a/lib/mlibc/tests/rtdl/scope4/libbaz.c b/lib/mlibc/tests/rtdl/scope4/libbaz.c
deleted file mode 100644
index 256a0e3..0000000
--- a/lib/mlibc/tests/rtdl/scope4/libbaz.c
+++ /dev/null
@@ -1 +0,0 @@
-void baz() {}
diff --git a/lib/mlibc/tests/rtdl/scope4/libfoo.c b/lib/mlibc/tests/rtdl/scope4/libfoo.c
deleted file mode 100644
index 6710db7..0000000
--- a/lib/mlibc/tests/rtdl/scope4/libfoo.c
+++ /dev/null
@@ -1,3 +0,0 @@
-// Foo needs to have a relocation against baz in order to set DT_NEEDED.
-void baz(void);
-void foo() { baz(); }
diff --git a/lib/mlibc/tests/rtdl/scope4/meson.build b/lib/mlibc/tests/rtdl/scope4/meson.build
deleted file mode 100644
index 804a40c..0000000
--- a/lib/mlibc/tests/rtdl/scope4/meson.build
+++ /dev/null
@@ -1,9 +0,0 @@
-libbaz = shared_library('baz', 'libbaz.c')
-libfoo = shared_library('foo', 'libfoo.c', build_rpath: test_rpath, link_with: libbaz)
-libbar = shared_library('bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo)
-test_depends = [libfoo, libbar, libbaz]
-
-libbaz_native = shared_library('native-baz', 'libbaz.c', native: true)
-libfoo_native = shared_library('native-foo', 'libfoo.c', build_rpath: test_rpath, link_with: libbaz_native, native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', build_rpath: test_rpath, link_with: libfoo_native, native: true)
-test_native_depends = [libfoo_native, libbar_native, libbaz_native]
diff --git a/lib/mlibc/tests/rtdl/scope4/test.c b/lib/mlibc/tests/rtdl/scope4/test.c
deleted file mode 100644
index 2365e26..0000000
--- a/lib/mlibc/tests/rtdl/scope4/test.c
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <dlfcn.h>
-#include <stdio.h>
-#include <assert.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#define LIBBAR "libnative-bar.so"
-#define LIBBAZ "libnative-baz.so"
-#else
-#define LIBFOO "libfoo.so"
-#define LIBBAR "libbar.so"
-#define LIBBAZ "libbaz.so"
-#endif
-
-int main() {
-	// In this test, we have foo -> baz, bar -> foo (where '->' means 'depends on').
-	// We first load foo with RTLD_LOCAL, and then load bar with RTLD_GLOBAL.
-	// This should bring foo and bar into the global scope.
-
-	void *foo = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
-	assert(foo);
-	assert(dlsym(foo, "foo"));
-	assert(dlsym(foo, "baz"));
-	assert(!dlsym(RTLD_DEFAULT, "foo"));
-	assert(!dlsym(RTLD_DEFAULT, "baz"));
-
-	void *bar = dlopen(LIBBAR, RTLD_GLOBAL | RTLD_NOW);
-	assert(bar);
-	assert(dlsym(bar, "bar"));
-	assert(dlsym(RTLD_DEFAULT, "bar"));
-	assert(dlsym(RTLD_DEFAULT, "foo"));
-	assert(dlsym(RTLD_DEFAULT, "baz"));
-
-	dlclose(foo);
-	dlclose(bar);
-}
diff --git a/lib/mlibc/tests/rtdl/scope5/libfoo.c b/lib/mlibc/tests/rtdl/scope5/libfoo.c
deleted file mode 100644
index 85e6cd8..0000000
--- a/lib/mlibc/tests/rtdl/scope5/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-void foo() {}
diff --git a/lib/mlibc/tests/rtdl/scope5/meson.build b/lib/mlibc/tests/rtdl/scope5/meson.build
deleted file mode 100644
index 22ade5b..0000000
--- a/lib/mlibc/tests/rtdl/scope5/meson.build
+++ /dev/null
@@ -1,5 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-test_link_with = [libfoo]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-test_native_link_with = [libfoo_native]
diff --git a/lib/mlibc/tests/rtdl/scope5/test.c b/lib/mlibc/tests/rtdl/scope5/test.c
deleted file mode 100644
index 2c11c2e..0000000
--- a/lib/mlibc/tests/rtdl/scope5/test.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <dlfcn.h>
-#include <stdio.h>
-#include <assert.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#else
-#define LIBFOO "libfoo.so"
-#endif
-
-// We need to have a relocation against foo for DT_NEEDED.
-void foo();
-void bar() { foo(); }
-
-int main() {
-	// In this test, we have exec -> foo (where '->' means 'depends on').
-	// This means that foo is in the global scope due to DT_NEEDED.
-	// We then dlopen it again with RTLD_LOCAL, which should just return
-	// the already-loaded object, but used to crash in the mlibc linker instead.
-
-	void *foo = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
-	assert(foo);
-	assert(dlsym(foo, "foo"));
-	assert(dlsym(RTLD_DEFAULT, "foo"));
-
-	dlclose(foo);
-}
diff --git a/lib/mlibc/tests/rtdl/soname/libbar.c b/lib/mlibc/tests/rtdl/soname/libbar.c
deleted file mode 100644
index 7f9f475..0000000
--- a/lib/mlibc/tests/rtdl/soname/libbar.c
+++ /dev/null
@@ -1 +0,0 @@
-char *name() { return "bar"; }
diff --git a/lib/mlibc/tests/rtdl/soname/libfoo.c b/lib/mlibc/tests/rtdl/soname/libfoo.c
deleted file mode 100644
index abe0999..0000000
--- a/lib/mlibc/tests/rtdl/soname/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-char *name() { return "foo"; }
diff --git a/lib/mlibc/tests/rtdl/soname/meson.build b/lib/mlibc/tests/rtdl/soname/meson.build
deleted file mode 100644
index 1eb97a8..0000000
--- a/lib/mlibc/tests/rtdl/soname/meson.build
+++ /dev/null
@@ -1,17 +0,0 @@
-# Create two libraries with the same SONAME.
-bar_soname = '-Wl,-soname=libbar.so'
-
-libfoo = shared_library('foo', 'libfoo.c', link_args: '-Wl,-soname=libbar.so')
-libbar = shared_library('bar', 'libbar.c', link_args: '-Wl,-soname=libbar.so')
-test_depends = [libfoo, libbar]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c',
-	link_args: ['-ldl', '-Wl,-soname=libnative-bar.so'],
-	native: true
-)
-libbar_native = shared_library('native-bar', 'libbar.c',
-	link_args: ['-ldl', '-Wl,-soname=libnative-bar.so'],
-	native: true
-)
-test_native_depends = [libfoo_native, libbar_native]
-
diff --git a/lib/mlibc/tests/rtdl/soname/test.c b/lib/mlibc/tests/rtdl/soname/test.c
deleted file mode 100644
index 23e5b7a..0000000
--- a/lib/mlibc/tests/rtdl/soname/test.c
+++ /dev/null
@@ -1,33 +0,0 @@
-#include <dlfcn.h>
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#define LIBBAR "libnative-bar.so"
-#else
-#define LIBFOO "libfoo.so"
-#define LIBBAR "libbar.so"
-#endif
-
-int main() {
-	void *foo = dlopen(LIBFOO, RTLD_NOW);
-	void *bar = dlopen(LIBBAR, RTLD_NOW);
-	assert(foo);
-	assert(bar);
-
-	// Since these libraries have the same SONAME, they should return the same thing.
-	assert(foo == bar);
-
-	char *(*fooSym)(void) = dlsym(foo, "name");
-	char *(*barSym)(void) = dlsym(bar, "name");
-	assert(fooSym && barSym);
-	assert(fooSym() && barSym());
-	printf("foo: name() = \"%s\"\n", fooSym());
-	printf("bar: name() = \"%s\"\n", barSym());
-	assert(!strcmp(fooSym(), barSym()));
-
-	dlclose(foo);
-	dlclose(bar);
-}
diff --git a/lib/mlibc/tests/rtdl/tls_align/libbar.c b/lib/mlibc/tests/rtdl/tls_align/libbar.c
deleted file mode 100644
index 3f8d6a7..0000000
--- a/lib/mlibc/tests/rtdl/tls_align/libbar.c
+++ /dev/null
@@ -1 +0,0 @@
-_Thread_local __attribute__((aligned(8))) char bar_thread_local[8] = "Hello!";
diff --git a/lib/mlibc/tests/rtdl/tls_align/libfoo.c b/lib/mlibc/tests/rtdl/tls_align/libfoo.c
deleted file mode 100644
index 8d98177..0000000
--- a/lib/mlibc/tests/rtdl/tls_align/libfoo.c
+++ /dev/null
@@ -1 +0,0 @@
-_Thread_local __attribute__((aligned(16))) char foo_thread_local[8] = "Hello!";
diff --git a/lib/mlibc/tests/rtdl/tls_align/meson.build b/lib/mlibc/tests/rtdl/tls_align/meson.build
deleted file mode 100644
index 61d0fd9..0000000
--- a/lib/mlibc/tests/rtdl/tls_align/meson.build
+++ /dev/null
@@ -1,7 +0,0 @@
-libfoo = shared_library('foo', 'libfoo.c')
-libbar = shared_library('bar', 'libbar.c')
-test_link_with = [libfoo, libbar]
-
-libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
-libbar_native = shared_library('native-bar', 'libbar.c', native: true)
-test_native_link_with = [libfoo_native, libbar_native]
diff --git a/lib/mlibc/tests/rtdl/tls_align/test.c b/lib/mlibc/tests/rtdl/tls_align/test.c
deleted file mode 100644
index 4381831..0000000
--- a/lib/mlibc/tests/rtdl/tls_align/test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <assert.h>
-#include <stdint.h>
-
-extern _Thread_local char foo_thread_local[];
-extern _Thread_local char bar_thread_local[];
-
-int main() {
-	assert(!((uintptr_t)foo_thread_local & (16 - 1)));
-	assert(!((uintptr_t)bar_thread_local & (8 - 1)));
-}