{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 == "mips64-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 < "${./unifdef-getline.patch}" sed -i '/scsi/d' include/Kbuild ''; buildPhase = '' if test -n "$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. 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 ''; }