cheese: Fix GCC 14 build

pkgs/by-name/bu/budgie-screensaver/package.nix

@@ -58,7 +58,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   # Fix GCC 14 build.
   # https://hydra.nixos.org/build/282164464/nixlog/3
-  env.NIX_CFLAGS_COMPILE = "-D_POSIX_C_SOURCE -Wno-implicit-function-declaration";
+  env.NIX_CFLAGS_COMPILE = "-D_POSIX_C_SOURCE -Wno-error=implicit-function-declaration";
 
   passthru = {
     tests.version = testers.testVersion {

pkgs/by-name/ch/cheese/package.nix

@@ -95,6 +95,11 @@ stdenv.mkDerivation rec {
     )
   '';
 
+  # Fix GCC 14 build
+  # ../libcheese/cheese-flash.c:135:22: error: assignment to 'GtkWidget *' {aka 'struct _GtkWidget *'} from
+  # incompatible pointer type 'GObject *' {aka 'struct _GObject *'} [-Wincompatible-pointer-types]
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
+
   passthru = {
     updateScript = gnome.updateScript {
       packageName = "cheese";