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-rw-r--r--configure.ac12
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 5d2d9a0..253b69d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,18 @@ QEMU_FLAGS_X86_64="--enable-kvm -monitor stdio \\
VEGA_BUILDDATE=`export LANG=en_US.UTF-8 ; date`
VEGA_BUILDBRANCH="`basename $PWD`"
+# Enable Spectre mitigation option
+AC_ARG_ENABLE([spectre-mitigation],
+ [AS_HELP_STRING([--enable-spectre-mitigation], [Enable Spectre mitigation (IBRS or similar)])],,
+ [enable_spectre_mitigation=$enableval])
+
+
+if test "x$enable_spectre_mitigation" = "xyes"; then
+ AC_SUBST(SPECTRE_MITIGATION, [1])
+else
+ AC_SUBST(SPECTRE_MITIGATION, [0])
+fi
+
AC_SUBST(VEGA_BUILDDATE, [$VEGA_BUILDDATE])
AC_SUBST(VEGA_BUILDBRANCH, [$VEGA_BUILDBRANCH])