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{ stdenv, fetchurl, perl, cross ? null }:
assert cross == null -> stdenv.isLinux;
let
version = "2.6.35.14";
kernelHeadersBaseConfig = if cross == null then
stdenv.platform.kernelHeadersBaseConfig
else
cross.platform.kernelHeadersBaseConfig;
in
stdenv.mkDerivation {
name = "linux-headers-${version}";
src = fetchurl {
url = "mirror://kernel/linux/kernel/v2.6/longterm/v2.6.35/linux-${version}.tar.bz2";
sha256 = "1wzml7s9karfbk2yi36g1r8fyaq4d4f16yizc68zgchv0xzj39zl";
};
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
'';
}
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