mirror of
https://github.com/NixOS/nixpkgs.git
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96 lines
2.9 KiB
Nix
96 lines
2.9 KiB
Nix
{ stdenvNoCC, lib, buildPackages, fetchurl, perl, elf-header
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, bison ? null, flex ? null, python ? null, rsync ? null
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}:
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assert stdenvNoCC.hostPlatform.isAndroid ->
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(flex != null && bison != null && python != null && rsync != null);
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let
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makeLinuxHeaders = { src, version, patches ? [] }: stdenvNoCC.mkDerivation {
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inherit src;
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pname = "linux-headers";
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inherit version;
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ARCH = stdenvNoCC.hostPlatform.linuxArch;
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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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depsBuildBuild = [ buildPackages.stdenv.cc ];
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# `elf-header` is null when libc provides `elf.h`.
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nativeBuildInputs = [
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perl elf-header
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] ++ lib.optionals stdenvNoCC.hostPlatform.isAndroid [
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flex bison python rsync
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];
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extraIncludeDirs = lib.optional stdenvNoCC.hostPlatform.isPowerPC ["ppc"];
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inherit patches;
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hardeningDisable = lib.optional stdenvNoCC.buildPlatform.isDarwin "format";
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makeFlags = [
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"SHELL=bash"
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# Avoid use of runtime build->host compilers for checks. These
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# checks only cared to work around bugs in very old compilers, so
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# these changes should be safe.
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"cc-version:=9999"
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"cc-fullversion:=999999"
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# `$(..)` expanded by make alone
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"HOSTCC:=$(CC_FOR_BUILD)"
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"HOSTCXX:=$(CXX_FOR_BUILD)"
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];
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# Skip clean on darwin, case-sensitivity issues.
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buildPhase = lib.optionalString (!stdenvNoCC.buildPlatform.isDarwin) ''
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make mrproper $makeFlags
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'' + (if stdenvNoCC.hostPlatform.isAndroid then ''
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make defconfig
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make headers_install
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'' else ''
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make headers $makeFlags
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'');
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checkPhase = ''
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make headers_check $makeFlags
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'';
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# The following command requires rsync:
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# make headers_install INSTALL_HDR_PATH=$out $makeFlags
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# but rsync depends on popt which does not compile on aarch64 without
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# updateAutotoolsGnuConfigScriptsHook which is not enabled in stage2,
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# so we replicate it with cp. This also reduces bootstrap closure size.
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installPhase = ''
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mkdir -p $out
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cp -r usr/include $out
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find $out -type f ! -name '*.h' -delete
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''
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# Some builds (e.g. KVM) want a kernel.release.
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+ ''
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mkdir -p $out/include/config
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echo "${version}-default" > $out/include/config/kernel.release
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'';
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meta = with lib; {
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description = "Header files and scripts for Linux kernel";
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license = licenses.gpl2;
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platforms = platforms.linux;
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};
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};
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in {
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inherit makeLinuxHeaders;
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linuxHeaders = let version = "5.14"; in
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makeLinuxHeaders {
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inherit version;
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src = fetchurl {
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url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
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sha256 = "sha256-fgaLXg0mpisQ5TILJdzldYjLvG94HAkEQhOMnJwycbI=";
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};
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patches = [
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./no-relocs.patch # for building x86 kernel headers on non-ELF platforms
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];
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};
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}
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