81 lines
2.5 KiB
Nix
81 lines
2.5 KiB
Nix
{ stdenv
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, git
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, python2
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, which
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, fetchgit
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, fetchpatch
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, fetchFromGitHub
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, autoreconfHook
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, coccinelle
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}:
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let
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donorTree = fetchFromGitHub {
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owner = "torvalds";
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repo = "linux";
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rev = "e2c1a934fd8e4288e7a32f4088ceaccf469eb74c"; # 5.15.94
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hash= "sha256-Jg3EgL86CseuzYMAlUG3CDWPCo8glMSIZs10l7EuhWI=";
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};
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backports = stdenv.mkDerivation {
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name = "linux-backports";
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version = "dfe0f60ca8a";
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nativeBuildInputs = [ python2 ];
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src = fetchgit {
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url = "https://git.kernel.org/pub/scm/linux/kernel/git/backports/backports.git";
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name = "backports";
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rev = "dfe0f60ca8a1065e63b4db703b3bd2708ee23a0e";
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hash = "sha256-V+unO0rCom+TZS7WuaXFrb3C1EBImmflCPuOoP+LvBY=";
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};
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buildPhase = ''
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patchShebangs .
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'';
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installPhase = ''
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mkdir -p $out
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cp -a . $out
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rm $out/patches/0073-netdevice-mtu-range.cocci
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# fq.patch is obsoleted by kernel commit 48a54f6bc45 and no longer
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# applies
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# rm $out/patches/0091-fq-no-siphash_key_t/fq.patch
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# don't know why this doesn't apply but it's only important for
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# compiling against linux < 4.1
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# rm $out/patches/0058-ptp_getsettime64/ptp_getsettime64.cocci
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'';
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patches = [
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# (fetchpatch {
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# url = "https://github.com/telent/nixwrt/blob/28ff2559e811c740b0a2922f52291b335804857b/nixwrt/kernel/gentree-writable-outputs.patch";
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# hash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
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# })#
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./gentree-writable-outputs.patch
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# ./update-usb-sg-backport-patch.patch
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# ./backport_kfree_sensitive.patch
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];
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};
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in stdenv.mkDerivation rec {
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inherit donorTree;
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KERNEL_VERSION = builtins.substring 0 11 donorTree.rev;
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BACKPORTS_VERSION = backports.version;
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name = "backported-kernel-${KERNEL_VERSION}-${BACKPORTS_VERSION}";
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# gentree uses "which" at runtime to test for the presence of git,
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# and I don't have the patience to patch it out. There is no other
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# reason we need either of them as build inputs.
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depsBuildBuild = [ coccinelle ];
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nativeBuildInputs = [ which git python2 ];
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phases = [
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"backportFromFuture" "installPhase"
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];
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backportFromFuture = ''
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echo $KERNEL_VERSION $BACKPORTS_VERSION
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WORK=`pwd`/build
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mkdir -p $WORK
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cat ${backports}/copy-list > copy-list
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echo 'include/linux/key.h' >> copy-list
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python ${backports}/gentree.py --verbose --clean --copy-list copy-list ${donorTree} $WORK
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'';
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installPhase = ''
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cp -a ./build/ $out
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'';
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}
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