5645cd22d4
Closes #376820 The issue with providing `moduleMakeFlags` via `passthru` of the kernel package is that when this package gets overriden[1], the `moduleMakeFlags` list still references the kernel without the overrides. This broke e.g. kernel modules of linux-rpi4 which can be reproduced with nix-build --argstr system aarch64-linux -A linuxKernel.packages.linux_rpi4.zfs_2_3 This used to break with Error: modDirVersion 6.6.51 specified in the Nix expression is wrong, it should be: 6.6.51-v8 since KBUILD_OUTPUT referenced the kernel without the changes from `overrideDerivation` that also changes the `modDirVersion`. The new approach is to add the build flags right into `linuxKernel.packages.linux_X_Y`: that way we don't need any hacks to update `moduleMakeFlags` when the derivation with the passthru gets overridden. By using the fixpoint of the package-set, the `kernelModuleMakeFlags` list is correctly updated. E.g. given with import ./. {}; linuxKernel.packages.linux_6_6.extend (self: super: { kernel = super.kernel.overrideAttrs (_: { name = "linux-snens"; }); }) the `makeFlags` is correctly updated: $ nix-instantiate snenskek.nix -A zfs_2_3.makeFlags --eval --strict [ "ARCH=x86_64" "CROSS_COMPILE=" "KBUILD_OUTPUT=/nix/store/gsp68549k1aqbwxwczpgw67w5jjn4shw-linux-snens-dev/lib/modules/6.6.74/build" ] [1] E.g. `linux-rpi4`.
45 lines
1.0 KiB
Nix
45 lines
1.0 KiB
Nix
{
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lib,
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stdenv,
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fetchurl,
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kernel,
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kernelModuleMakeFlags,
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}:
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let
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cfg = import ./version.nix;
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in
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stdenv.mkDerivation rec {
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pname = "batman-adv";
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version = "${cfg.version}-${kernel.version}";
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src = fetchurl {
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url = "http://downloads.open-mesh.org/batman/releases/${pname}-${cfg.version}/${pname}-${cfg.version}.tar.gz";
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sha256 = cfg.sha256.${pname};
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};
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nativeBuildInputs = kernel.moduleBuildDependencies;
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makeFlags = kernelModuleMakeFlags ++ [
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"KERNELPATH=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
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];
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hardeningDisable = [ "pic" ];
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preBuild = ''
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sed -i -e "s,INSTALL_MOD_DIR=,INSTALL_MOD_PATH=$out INSTALL_MOD_DIR=," \
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-e /depmod/d Makefile
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'';
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meta = {
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homepage = "https://www.open-mesh.org/projects/batman-adv/wiki/Wiki";
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description = "B.A.T.M.A.N. routing protocol in a linux kernel module for layer 2";
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license = lib.licenses.gpl2Only;
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maintainers = with lib.maintainers; [
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fpletz
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philiptaron
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];
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platforms = with lib.platforms; linux;
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};
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}
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