mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-09-30 17:10:18 +02:00
5be0a9acd7
This is for consistency with terminology in stdenv (and the terms "hostDrv" and "buildDrv" are not very intuitive, even if they're consistent with GNU terminology).
144 lines
4.2 KiB
Nix
144 lines
4.2 KiB
Nix
{ stdenv, fetchurl, perl, mktemp, module_init_tools
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, # The kernel source tarball.
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src
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, # The kernel version.
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version
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, # The version number used for the module directory
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modDirVersion ? version
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, # The kernel configuration.
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config
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, # The kernel configuration when cross building.
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configCross ? {}
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, # An attribute set whose attributes express the availability of
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# certain features in this kernel. E.g. `{iwlwifi = true;}'
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# indicates a kernel that provides Intel wireless support. Used in
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# NixOS to implement kernel-specific behaviour.
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features ? {}
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, # A list of patches to apply to the kernel. Each element of this list
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# should be an attribute set {name, patch} where `name' is a
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# symbolic name and `patch' is the actual patch. The patch may
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# optionally be compressed with gzip or bzip2.
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kernelPatches ? []
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, # Allows you to set your own kernel version suffix (e.g.,
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# "-my-kernel").
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localVersion ? ""
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, preConfigure ? ""
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, extraMeta ? {}
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, ubootChooser ? null
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, postInstall ? ""
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, # After the builder did a 'make all' (kernel + modules)
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# we force building the target asked: bzImage/zImage/uImage/...
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postBuild ? "make $makeFlags $kernelTarget; make $makeFlags -C scripts unifdef"
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, ...
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}:
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assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
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|| stdenv.isArm || stdenv.system == "mips64el-linux";
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assert stdenv.platform.name == "sheevaplug" -> stdenv.platform.uboot != null;
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let
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lib = stdenv.lib;
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kernelConfigFun = baseConfig:
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let
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configFromPatches =
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map ({extraConfig ? "", ...}: extraConfig) kernelPatches;
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in lib.concatStringsSep "\n" ([baseConfig] ++ configFromPatches);
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in
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stdenv.mkDerivation {
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name = "linux-${version}";
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enableParallelBuilding = true;
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passthru = {
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inherit version modDirVersion kernelPatches;
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# Combine the `features' attribute sets of all the kernel patches.
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features = lib.fold (x: y: (if x ? features then x.features else {}) // y) features kernelPatches;
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};
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builder = ./builder.sh;
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generateConfig = ./generate-config.pl;
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inherit preConfigure src module_init_tools localVersion postInstall postBuild;
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patches = map (p: p.patch) kernelPatches;
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kernelConfig = kernelConfigFun config;
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# For UML and non-PC, just ignore all options that don't apply (We are lazy).
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ignoreConfigErrors = stdenv.platform.name != "pc";
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buildNativeInputs = [ perl mktemp ];
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buildInputs = lib.optional (stdenv.platform.uboot != null)
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(ubootChooser stdenv.platform.uboot);
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platformName = stdenv.platform.name;
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kernelBaseConfig = stdenv.platform.kernelBaseConfig;
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kernelTarget = stdenv.platform.kernelTarget;
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autoModules = stdenv.platform.kernelAutoModules;
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# Should we trust platform.kernelArch? We can only do
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# that once we differentiate i686/x86_64 in platforms.
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arch =
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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.isArm then "arm" else
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if stdenv.system == "mips64el-linux" then "mips" else
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abort "Platform ${stdenv.system} is not supported.";
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crossAttrs = let
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cp = stdenv.cross.platform;
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in
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assert cp.name == "sheevaplug" -> cp.uboot != null;
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{
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arch = cp.kernelArch;
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platformName = cp.name;
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kernelBaseConfig = cp.kernelBaseConfig;
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kernelTarget = cp.kernelTarget;
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autoModules = cp.kernelAutoModules;
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# Just ignore all options that don't apply (We are lazy).
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ignoreConfigErrors = true;
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kernelConfig = kernelConfigFun configCross;
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# The substitution of crossAttrs happens *after* the stdenv cross adapter sets
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# the parameters for the usual stdenv. Thus, we need to specify
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# the ".crossDrv" in the buildInputs here.
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buildInputs = lib.optional (cp.uboot != null) (ubootChooser cp.uboot).crossDrv;
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};
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meta = {
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description =
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"The Linux kernel" +
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(if kernelPatches == [] then "" else
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" (with patches: "
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+ lib.concatStrings (lib.intersperse ", " (map (x: x.name) kernelPatches))
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+ ")");
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license = "GPLv2";
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homepage = http://www.kernel.org/;
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maintainers = [
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lib.maintainers.eelco
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lib.maintainers.shlevy
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lib.maintainers.chaoflow
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];
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platforms = lib.platforms.linux;
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} // extraMeta;
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}
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