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default.nix (2516B)

      1 { stdenv
      2 , git
      3 , python2
      4 , which
      5 , fetchgit
      6 , fetchpatch
      7 , fetchFromGitHub
      8 , autoreconfHook
      9 , coccinelle
     10 }:
     11 let
     12   donorTree = fetchFromGitHub {
     13     owner = "torvalds";
     14     repo = "linux";
     15     rev = 	"e2c1a934fd8e4288e7a32f4088ceaccf469eb74c"; # 5.15.94
     16     hash= "sha256-Jg3EgL86CseuzYMAlUG3CDWPCo8glMSIZs10l7EuhWI=";
     17   };
     18   backports = stdenv.mkDerivation {
     19     name = "linux-backports";
     20     version = "dfe0f60ca8a";
     21     nativeBuildInputs = [ python2 ];
     22 
     23     src = fetchgit {
     24       url = "https://git.kernel.org/pub/scm/linux/kernel/git/backports/backports.git";
     25       name = "backports";
     26       rev = "dfe0f60ca8a1065e63b4db703b3bd2708ee23a0e";
     27       hash = "sha256-V+unO0rCom+TZS7WuaXFrb3C1EBImmflCPuOoP+LvBY=";
     28     };
     29     buildPhase = ''
     30       patchShebangs .
     31     '';
     32     installPhase = ''
     33       mkdir -p $out
     34       cp -a . $out
     35       rm $out/patches/0073-netdevice-mtu-range.cocci
     36       # fq.patch is obsoleted by kernel commit 48a54f6bc45 and no longer
     37       # applies
     38       # rm $out/patches/0091-fq-no-siphash_key_t/fq.patch
     39       # don't know why this doesn't apply but it's only important for
     40       # compiling against linux < 4.1
     41       # rm $out/patches/0058-ptp_getsettime64/ptp_getsettime64.cocci
     42     '';
     43     patches = [
     44       # (fetchpatch {
     45       #   url = "https://github.com/telent/nixwrt/blob/28ff2559e811c740b0a2922f52291b335804857b/nixwrt/kernel/gentree-writable-outputs.patch";
     46       #   hash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
     47       # })#
     48       ./gentree-writable-outputs.patch
     49 #      ./update-usb-sg-backport-patch.patch
     50 #      ./backport_kfree_sensitive.patch
     51     ];
     52   };
     53 in stdenv.mkDerivation rec {
     54   inherit donorTree;
     55   KERNEL_VERSION = builtins.substring 0 11 donorTree.rev;
     56   BACKPORTS_VERSION = backports.version;
     57   name = "backported-kernel-${KERNEL_VERSION}-${BACKPORTS_VERSION}";
     58 
     59   # gentree uses "which" at runtime to test for the presence of git,
     60   # and I don't have the patience to patch it out. There is no other
     61   # reason we need either of them as build inputs.
     62   depsBuildBuild = [ coccinelle ];
     63   nativeBuildInputs = [ which git python2 ];
     64 
     65   phases = [
     66     "backportFromFuture" "installPhase"
     67   ];
     68 
     69   backportFromFuture = ''
     70     echo $KERNEL_VERSION $BACKPORTS_VERSION
     71     WORK=`pwd`/build
     72     mkdir -p $WORK
     73     cat ${backports}/copy-list > copy-list
     74     echo 'include/linux/key.h' >> copy-list
     75     python  ${backports}/gentree.py --verbose --clean  --copy-list copy-list ${donorTree} $WORK
     76   '';
     77   installPhase = ''
     78     cp -a ./build/ $out
     79   '';
     80 }