2009-01-15 16:40:23 +01:00
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{ stdenv, fetchurl, perl, mktemp, module_init_tools
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2008-03-24 20:39:42 +01:00
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2009-01-15 16:40:23 +01:00
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, # The kernel source tarball.
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src
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2008-03-24 20:39:42 +01:00
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2009-01-15 16:40:23 +01:00
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, # The kernel version.
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version
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2011-08-08 22:49:49 +02:00
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, # The version number used for the module directory
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modDirVersion ? version
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2009-01-15 16:40:23 +01:00
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, # The kernel configuration.
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config
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2010-02-27 22:48:48 +01:00
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, # The kernel configuration when cross building.
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configCross ? {}
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2009-01-15 16:40:23 +01:00
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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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2008-03-24 20:39:42 +01:00
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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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2009-01-15 16:40:23 +01:00
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kernelPatches ? []
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2008-03-24 20:39:42 +01:00
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, # Whether to build a User-Mode Linux kernel.
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userModeLinux ? false
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2009-01-15 16:40:23 +01:00
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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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2008-03-24 20:39:42 +01:00
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2009-01-17 14:40:12 +01:00
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, preConfigure ? ""
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2009-09-11 15:16:18 +02:00
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, extraMeta ? {}
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2010-02-27 19:51:06 +01:00
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, ubootChooser ? null
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2010-08-08 20:46:57 +02:00
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, postInstall ? ""
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2011-07-24 22:24:12 +02:00
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, setModuleDir ? true
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2011-07-11 15:59:37 +02:00
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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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2009-07-15 23:09:17 +02:00
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, ...
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2008-03-24 20:39:42 +01:00
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}:
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2009-11-08 01:32:12 +01:00
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assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"
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2010-09-01 11:50:12 +02:00
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|| stdenv.system == "armv5tel-linux" || stdenv.system == "mips64-linux";
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2008-03-24 20:39:42 +01:00
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2010-02-27 22:48:48 +01:00
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assert stdenv.platform.name == "sheevaplug" -> stdenv.platform.uboot != null;
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2009-11-08 18:19:46 +01:00
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2008-03-24 20:39:42 +01:00
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let
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2009-01-15 16:40:23 +01:00
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lib = stdenv.lib;
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2008-03-24 20:39:42 +01:00
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2010-02-27 22:48:48 +01:00
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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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2008-03-24 20:39:42 +01:00
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in
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stdenv.mkDerivation {
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name = if userModeLinux then "user-mode-linux-${version}" else "linux-${version}";
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2008-05-22 21:29:23 +02:00
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2010-08-11 12:43:09 +02:00
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enableParallelBuilding = true;
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2008-05-22 21:29:23 +02:00
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passthru = {
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2011-09-28 23:46:07 +02:00
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inherit version modDirVersion kernelPatches;
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2008-05-22 21:29:23 +02:00
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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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2011-07-11 16:07:21 +02:00
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2009-01-15 16:40:23 +01:00
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builder = ./builder.sh;
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2008-03-24 20:39:42 +01:00
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2009-12-12 14:51:07 +01:00
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generateConfig = ./generate-config.pl;
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2011-07-24 22:24:12 +02:00
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inherit preConfigure src module_init_tools localVersion postInstall;
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2011-07-24 22:24:23 +02:00
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#Currently, the builder sets $MODULE_DIR during installPhase. This causes
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#problems with at least linux 3.0, so we need to conditionally avoid
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#setting $MODULE_DIR. This prepend to postBuild accomplishes this with a
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#sed/eval trick thanks to MarcWeber
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2011-07-24 22:24:12 +02:00
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postBuild = (if setModuleDir then "" else ''
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eval "$(type installPhase | sed -e '1d' -e '/export MODULE_DIR/d')";
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'') + postBuild;
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2009-01-17 14:40:12 +01:00
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2008-03-24 20:39:42 +01:00
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patches = map (p: p.patch) kernelPatches;
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2010-02-27 22:48:48 +01:00
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kernelConfig = kernelConfigFun config;
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2009-11-08 18:19:46 +01:00
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2009-12-28 12:26:23 +01:00
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# For UML and non-PC, just ignore all options that don't apply (We are lazy).
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2010-02-27 22:48:48 +01:00
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ignoreConfigErrors = (userModeLinux || stdenv.platform.name != "pc");
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2009-12-14 18:22:38 +01:00
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2010-02-17 23:20:56 +01:00
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buildNativeInputs = [ perl mktemp ];
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2010-02-27 22:48:48 +01:00
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buildInputs = lib.optional (stdenv.platform.uboot != null)
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(ubootChooser stdenv.platform.uboot);
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2009-11-08 18:19:46 +01:00
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2010-02-27 22:48:48 +01:00
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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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2011-07-11 16:07:21 +02:00
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2010-02-28 09:58:07 +01:00
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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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2008-03-24 20:39:42 +01:00
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arch =
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2009-01-15 16:40:23 +01:00
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if userModeLinux then "um" else
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2008-03-24 20:39:42 +01:00
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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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2010-02-28 09:58:07 +01:00
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if stdenv.system == "armv5tel-linux" then "arm" else
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2010-09-01 11:50:12 +02:00
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if stdenv.system == "mips64-linux" then "mips" else
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2008-03-24 20:39:42 +01:00
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abort "Platform ${stdenv.system} is not supported.";
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2010-02-27 22:48:48 +01:00
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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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2010-03-06 23:04:21 +01:00
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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 ".hostDrv" in the buildInputs here.
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buildInputs = lib.optional (cp.uboot != null) (ubootChooser cp.uboot).hostDrv;
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2010-02-27 22:48:48 +01:00
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};
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2008-03-24 20:39:42 +01:00
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meta = {
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description =
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(if userModeLinux then
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"User-Mode Linux"
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else
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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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2010-01-07 15:10:39 +01:00
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license = "GPLv2";
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homepage = http://www.kernel.org/;
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maintainers = [ lib.maintainers.eelco ];
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2011-07-11 16:07:21 +02:00
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platforms = lib.platforms.linux;
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2009-09-11 15:16:18 +02:00
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} // extraMeta;
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2008-03-24 20:39:42 +01:00
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}
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2011-07-24 22:24:12 +02:00
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