791ce593ce
- Perl is used at build time, so must be in `nativeBuildInputs`. It's not used at run time so it should not be in `buildInputs`, too. - Don't treat headers like a compiler---use the build and host platforms not host and target. Perhaps that would make sense if every library's headers could be a separate derivation, but since that is not feasible, best to keep the implementation and interface in the same stage. To do this, we used `stdenvNoCC` to get rid of the normal toolchain, and added a dependency for the toolchain targeting the build platform --- `buildPackages.stdenv.cc` --- thus everything is effectively slid a stage black.
65 lines
1.9 KiB
Nix
65 lines
1.9 KiB
Nix
{ stdenvNoCC, lib, buildPackages
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, buildPlatform, hostPlatform
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, fetchurl, perl
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}:
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assert hostPlatform.isLinux;
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let
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version = "4.4.10";
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inherit (hostPlatform.platform) kernelHeadersBaseConfig;
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in
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stdenvNoCC.mkDerivation {
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name = "linux-headers-${version}";
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src = fetchurl {
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url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";
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sha256 = "1kpjvvd9q9wwr3314q5ymvxii4dv2d27295bzly225wlc552xhja";
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};
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targetConfig = if hostPlatform != buildPlatform then hostPlatform.config else null;
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platform = hostPlatform.platform.kernelArch or (
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if hostPlatform.system == "i686-linux" then "i386" else
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if hostPlatform.system == "x86_64-linux" then "x86_64" else
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if hostPlatform.system == "powerpc-linux" then "powerpc" else
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if hostPlatform.isArm then "arm" else
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abort "don't know what the kernel include directory is called for this platform");
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# It may look odd that we use `stdenvNoCC`, and yet explicit depend on a cc.
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# We do this so we have a build->build, not build->host, C compiler.
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nativeBuildInputs = [ buildPackages.stdenv.cc perl ];
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extraIncludeDirs = lib.optional hostPlatform.isPowerPC ["ppc"];
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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 ${kernelHeadersBaseConfig} SHELL=bash
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make mrproper headers_check SHELL=bash
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'';
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installPhase = ''
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make INSTALL_HDR_PATH=$out headers_install
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# Some builds (e.g. KVM) want a kernel.release.
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mkdir -p $out/include/config
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echo "${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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meta = with lib; {
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description = "Header files and scripts for Linux kernel";
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license = licenses.gpl2;
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platforms = platforms.linux;
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};
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}
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