glm: fixup with other compilers than gcc >= 11

Amends 9464bf0ad6.  The flag isn't recognized on older gcc or clang.
https://hydra.nixos.org/eval/1756014?filter=glm.#tabs-still-fail

pkgs/development/libraries/glm/default.nix

@@ -28,8 +28,10 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102823
-  NIX_CFLAGS_COMPILE = "-fno-ipa-modref";
+  NIX_CFLAGS_COMPILE =
+    lib.optionals (stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "11") [
+      "-fno-ipa-modref" # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102823
+    ];
 
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=OFF"