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{stdenv, fetchurl, perl, cross ? null}:
assert cross == null -> stdenv.isLinux;
let version = "2.6.28.5"; in
stdenv.mkDerivation {
name = "linux-headers-${version}";
src = fetchurl {
url = "mirror://kernel/linux/kernel/v2.6/linux-${version}.tar.bz2";
sha256 = "0hifjh75sinifr5138v22zwbpqln6lhn65k8b57a1dyzlqca7cl9";
};
targetConfig = if (cross != null) then cross.config else null;
platform =
if cross != null then cross.arch 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.system == "mips64el-linux" then "mips" 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 [];
patchPhase = ''
patch --verbose -p1 < "${./unifdef-getline.patch}"
sed -i '/scsi/d' include/Kbuild
sed -i 's|/ %/: prepare scripts FORCE|%/: prepare scripts FORCE|' Makefile
'';
buildPhase = ''
if test -n "$targetConfig"; then
export ARCH=$platform
fi
make mrproper headers_check
'';
installPhase = ''
make INSTALL_HDR_PATH=$out headers_install
# Some builds (e.g. KVM) want a kernel.release.
mkdir -p $out/include/config
echo "${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
'';
}
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