xar: fix build on GCC14

NixOS · Dec 28, 2024 · b3604be · b3604be
1 parent 634fd46
commit b3604be
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/pkgs/by-name/xa/xar/package.nix b/pkgs/by-name/xa/xar/package.nix
@@ -68,11 +68,17 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [ autoreconfHook ];
 
-  # For some reason libxml2 package headers are in subdirectory and thus aren’t
-  # picked up by stdenv’s C compiler wrapper (see ccWrapper_addCVars). This
-  # doesn’t really belong here and either should be part of libxml2 package or
-  # libxml2 in Nixpkgs can just fix their header paths.
-  env.NIX_CFLAGS_COMPILE = "-isystem ${libxml2.dev}/include/libxml2";
+  env.NIX_CFLAGS_COMPILE = lib.concatStringsSep " " ([
+    # For some reason libxml2 package headers are in subdirectory and thus aren’t
+    # picked up by stdenv’s C compiler wrapper (see ccWrapper_addCVars). This
+    # doesn’t really belong here and either should be part of libxml2 package or
+    # libxml2 in Nixpkgs can just fix their header paths.
+    "-isystem ${libxml2.dev}/include/libxml2"
+  ] ++ lib.optionals stdenv.cc.isGNU [
+    # fix build on GCC 14
+    "-Wno-error=implicit-function-declaration"
+    "-Wno-error=incompatible-pointer-types"
+  ]);
 
   buildInputs =
     [