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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`.
50 lines
1.2 KiB
Nix
50 lines
1.2 KiB
Nix
{
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lib,
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kernel,
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kernelModuleMakeFlags,
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stdenv,
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fetchFromGitea,
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libgcrypt,
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lvm2,
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}:
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stdenv.mkDerivation (finalAttrs: {
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name = "shufflecake";
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version = "0.5.1";
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src = fetchFromGitea {
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domain = "codeberg.org";
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owner = "shufflecake";
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repo = "shufflecake-c";
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rev = "v${finalAttrs.version}";
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hash = "sha256-ULRx+WEz7uQ1C0JDaXORo6lmiwBAwD20j/XP92YE/K0=";
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};
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nativeBuildInputs = kernel.moduleBuildDependencies;
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buildInputs = [
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libgcrypt
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lvm2
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];
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makeFlags = kernelModuleMakeFlags ++ [
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"KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
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];
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outputs = [
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"out"
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"bin"
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];
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installPhase = ''
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install -Dm444 dm-sflc.ko $out/lib/modules/${kernel.modDirVersion}/drivers/md/dm-sflc.ko
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install -Dm555 shufflecake $bin/shufflecake
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'';
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meta = with lib; {
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description = "Plausible deniability (hidden storage) layer for Linux";
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homepage = "https://shufflecake.net";
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license = licenses.gpl2Only;
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maintainers = with maintainers; [ oluceps ];
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outputsToInstall = [ "bin" ];
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platforms = platforms.linux;
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broken = kernel.kernelOlder "6.1" || kernel.meta.name == "linux-lqx-6.12.1";
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};
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})
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