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