From b9c2759bb5eda150eeb9a4bdff209144e41fc3a4 Mon Sep 17 00:00:00 2001
From: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
Date: Thu, 2 Jul 2026 20:50:34 -0400
Subject: [PATCH] mesa: fix build on Darwin

Mesa 26.1.4 includes commit[1] which makes installed Gallium
driver names use libname_suffix. Remove obsolete workaround.

[1]: https://gitlab.freedesktop.org/mesa/mesa/-/commit/ad9e702a79e6c4603004eb0fe378abac4274777d
---
 pkgs/development/libraries/mesa/darwin.nix | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/pkgs/development/libraries/mesa/darwin.nix b/pkgs/development/libraries/mesa/darwin.nix
index d683cc3bfe89..fb64f9e70d60 100644
--- a/pkgs/development/libraries/mesa/darwin.nix
+++ b/pkgs/development/libraries/mesa/darwin.nix
@@ -59,13 +59,6 @@ stdenv.mkDerivation {
     ./opencl.patch
   ];
 
-  postPatch = ''
-    # Darwin only installs `swrast_dri.so`. It is symlinked to `libdril_dri.dylib`, but the script never terminates
-    # checking for `swrast_dri.dylib`, which isn’t what will be created.
-    substituteInPlace bin/install_megadrivers.py \
-      --replace-fail "            while ext != '.' + args.libname_suffix" "            while ext != '.so'"
-  '';
-
   outputs = [
     "out"
     "dev"