{ stdenv, fetchurl, perl, mktemp, module_init_tools # A list of patches to apply to the kernel. Each element of this list # should be an attribute set {name, patch} where `name' is a # symbolic name and `patch' is the actual patch. The patch may # optionally be compressed with gzip or bzip2. , kernelPatches ? [] , # Whether to build a User-Mode Linux kernel. userModeLinux ? false , # Allows you to set your own kernel version suffix (e.g., # "-my-kernel"). localVersion ? "" , # Your own kernel configuration file, if you don't want to use the # default. kernelConfig ? null , # A list of additional statements to be appended to the # configuration file. extraConfig ? [] }: assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux"; let lib = import ../../../lib; version = "2.6.23.17"; in stdenv.mkDerivation { name = if userModeLinux then "user-mode-linux-${version}" else "linux-${version}"; passthru = { inherit version; # Combine the `features' attribute sets of all the kernel patches. features = lib.fold (x: y: (if x ? features then x.features else {}) // y) {} kernelPatches; }; builder = ./builder.sh; src = fetchurl { url = "mirror://kernel/linux/kernel/v2.6/linux-${version}.tar.bz2"; sha256 = "0lww6ywgl353xlaxcc3hg5d2q1vcydbqhddvkfpphr07zr7mwl32"; }; patches = map (p: p.patch) kernelPatches; extraConfig = let addNewlines = map (s: "\n" + s + "\n"); configFromPatches = map (p: if p ? extraConfig then p.extraConfig else "") kernelPatches; in lib.concatStrings (addNewlines (configFromPatches ++ extraConfig)); config = if kernelConfig != null then kernelConfig else if userModeLinux then ./config-2.6.23-uml else if stdenv.system == "i686-linux" then ./config-2.6.23-i686-smp else if stdenv.system == "x86_64-linux" then ./config-2.6.23-x86_64-smp else abort "No kernel configuration for your platform!"; buildInputs = [perl mktemp]; arch = if userModeLinux then "um" else if stdenv.system == "i686-linux" then "i386" else if stdenv.system == "x86_64-linux" then "x86_64" else abort "Platform ${stdenv.system} is not supported."; makeFlags = if userModeLinux then "ARCH=um SHELL=bash" else ""; inherit module_init_tools; allowLocalVersion = false; # don't allow patches to set a suffix inherit localVersion; # but do allow the user to set one. meta = { description = (if userModeLinux then "User-Mode Linux" else "The Linux kernel") + (if kernelPatches == [] then "" else " (with patches: " + lib.concatStrings (lib.intersperse ", " (map (x: x.name) kernelPatches)) + ")"); }; }