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linuxPackages.evdi: fix build for Linux 4.19

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The build fails with:

```console
module/evdi_fb.c: In function 'evdifb_create':
module/evdi_fb.c:427:21:
error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
  427 |         info->fbops = efbdev->fb_ops;
      |                     ^
````

A resolution is to treat discard-qualifiers warnings as non-error.

See https://hydra.nixos.org/build/239848621
This commit is contained in:
Anthony Roussel 2023-11-07 14:56:05 +01:00 committed by Alyssa Ross
parent 43fbdc751b
commit 408ed815c6
1 changed files with 5 additions and 1 deletions
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6
pkgs/os-specific/linux/evdi/default.nix
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@ -16,7 +16,11 @@ stdenv.mkDerivation rec {
hash = "sha256-em3Y56saB7K3Wr31Y0boc38xGb57gdveN0Cstgy8y20=";
};
env.NIX_CFLAGS_COMPILE = "-Wno-error -Wno-error=sign-compare";
env.NIX_CFLAGS_COMPILE = toString [
"-Wno-error"
"-Wno-error=discarded-qualifiers" # for Linux 4.19 compatibility
"-Wno-error=sign-compare"
];
nativeBuildInputs = kernel.moduleBuildDependencies;