xorg.xf86videovmware: fix 3d support with mesa (#392492)

pkgs/development/libraries/mesa/default.nix

@@ -200,7 +200,11 @@ in stdenv.mkDerivation {
 
     (lib.mesonBool "gallium-nine" false) # Direct3D9 in Wine, largely supplanted by DXVK
     (lib.mesonBool "osmesa" false) # deprecated upstream
-    (lib.mesonEnable "gallium-xa" false) # old and mostly dead
+
+    # Only used by xf86-video-vmware, which has more features than VMWare's KMS driver,
+    # so we're keeping it for now. Should be removed when that's no longer the case.
+    # See: https://github.com/NixOS/nixpkgs/pull/392492
+    (lib.mesonEnable "gallium-xa" true)
 
     (lib.mesonBool "teflon" true) # TensorFlow frontend
 

pkgs/servers/x11/xorg/overrides.nix

@@ -604,6 +604,7 @@ self: super:
   });
 
   xf86videovmware = super.xf86videovmware.overrideAttrs (attrs: {
+    buildInputs = attrs.buildInputs ++ [ mesa ];
     env.NIX_CFLAGS_COMPILE = toString [ "-Wno-error=address" ]; # gcc12
     meta = attrs.meta // {
       platforms = ["i686-linux" "x86_64-linux"];