Merge pull request #171579 from Mindavi/vulkan-loaders/cross

vulkan-loader: fix cross-compilation

pkgs/development/libraries/vulkan-loader/default.nix

@@ -21,7 +21,8 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [ "-DCMAKE_INSTALL_INCLUDEDIR=${vulkan-headers}/include" ]
     ++ lib.optional stdenv.isDarwin "-DSYSCONFDIR=${moltenvk}/share"
-    ++ lib.optional stdenv.isLinux "-DSYSCONFDIR=${addOpenGLRunpath.driverLink}/share";
+    ++ lib.optional stdenv.isLinux "-DSYSCONFDIR=${addOpenGLRunpath.driverLink}/share"
+    ++ lib.optional (stdenv.buildPlatform != stdenv.hostPlatform) "-DUSE_GAS=OFF";
 
   outputs = [ "out" "dev" ];