nixpkgs/pkgs/os-specific/linux/kernel-headers/default.nix
Shea Levy 1a7554562f Enable setting the headersVersion so the default kernel can be updated without rebuilding stdenv
svn path=/nixpkgs/branches/stdenv-updates/; revision=29548
2011-09-30 15:39:47 +00:00

60 lines
1.6 KiB
Nix

{stdenv, fetchurl, perl, cross ? null, kernel}:
assert cross == null -> stdenv.isLinux;
let
version = kernel.headersVersion;
kernelHeadersBaseConfig = if (cross == null) then
stdenv.platform.kernelHeadersBaseConfig
else
cross.platform.kernelHeadersBaseConfig;
in
stdenv.mkDerivation {
name = "linux-headers-${version}";
src = kernel.headersSrc;
targetConfig = if (cross != null) then cross.config else null;
platform =
if cross != null then cross.platform.kernelArch else
if stdenv.system == "i686-linux" then "i386" else
if stdenv.system == "x86_64-linux" then "x86_64" else
if stdenv.system == "powerpc-linux" then "powerpc" else
if stdenv.system == "armv5tel-linux" then "arm" else
if stdenv.platform ? kernelArch then stdenv.platform.kernelArch else
abort "don't know what the kernel include directory is called for this platform";
buildInputs = [perl];
extraIncludeDirs =
if cross != null then
(if cross.arch == "powerpc" then ["ppc"] else [])
else if stdenv.system == "powerpc-linux" then ["ppc"] else [];
buildPhase = ''
if test -n "$targetConfig"; then
export ARCH=$platform
fi
make ${kernelHeadersBaseConfig}
make mrproper headers_check
'';
installPhase = ''
make INSTALL_HDR_PATH=$out headers_install
# Some builds (e.g. KVM) want a kernel.release.
ensureDir $out/include/config
echo "${version}-default" > $out/include/config/kernel.release
'';
# !!! hacky
fixupPhase = ''
ln -s asm $out/include/asm-$platform
if test "$platform" = "i386" -o "$platform" = "x86_64"; then
ln -s asm $out/include/asm-x86
fi
'';
}