From 43d7dba65c01237b1bd49ea9e78f5bb16fc84757 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Fri, 17 May 2024 17:29:43 -0400 Subject: docs: man: Create kconf(1) Signed-off-by: Ian Moffett --- share/man/man1/kconf.1 | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 share/man/man1/kconf.1 (limited to 'share/man/man1') diff --git a/share/man/man1/kconf.1 b/share/man/man1/kconf.1 new file mode 100644 index 0000000..2f58bcb --- /dev/null +++ b/share/man/man1/kconf.1 @@ -0,0 +1,69 @@ +.\" Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions are met: +.\" +.\" 1. Redistributions of source code must retain the above copyright notice, +.\" this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of Hyra nor the names of its +.\" contributors may be used to endorse or promote products derived from +.\" this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.Dd May 17 2024 +.Dt KCONF 1 +.Os Hyra +.Sh NAME +.Nm kconf - kernel configuration + +.Sh SYNOPSIS +.Ft cat CONFIG_FILE | kconf + +.Sh DESCRIPTION +During the kernel build process, kconf parses a config file and +generates define flags that can be passed to the compiler. + +Example config file: + +-- +.Bd -literal +// Example of options that can be enabled +// and disabled. +option FOO yes +option BLAH no + +// Example of constants that can be set +// within the kernel. +setval SOME_INT 32 +setval SOME_STR "foo" +.Ed +-- + +The above example will output the following: + +-D__FOO=1 -D__BLAH=0 -D__SOME_INT=32 -D__SOME_STR="foo" + +The +.Ft option +keyword allows options to be toggled on or off (yes, no). + +The +.Ft setval +keyword sets a global constant within the kernel. + +.Sh AUTHORS +.An Ian Moffett Aq Mt ian@osmora.org -- cgit v1.2.3