mesa-asahi-edge on latest nixpkgs

opencl.patch

diff --git a/meson.build b/meson.build
index c150bff74ff..37fa7f0531b 100644
--- a/meson.build
+++ b/meson.build
@@ -1850,7 +1850,7 @@ endif

 dep_clang = null_dep
 if with_clc or with_gallium_clover
-  llvm_libdir = dep_llvm.get_variable(cmake : 'LLVM_LIBRARY_DIR', configtool: 'libdir')
+  llvm_libdir = get_option('clang-libdir')

   dep_clang = cpp.find_library('clang-cpp', dirs : llvm_libdir, required : false)

diff --git a/meson.options b/meson.options
index 82324617884..4bde97a8568 100644
--- a/meson.options
+++ b/meson.options
@@ -738,3 +738,10 @@ option(
     'none', 'dri2'
   ],
 )
+
+option(
+  'clang-libdir',
+  type : 'string',
+  value : '',
+  description : 'Locations to search for clang libraries.'
+)
diff --git a/src/gallium/targets/opencl/meson.build b/src/gallium/targets/opencl/meson.build
index ab2c83556a8..a59e88e122f 100644
--- a/src/gallium/targets/opencl/meson.build
+++ b/src/gallium/targets/opencl/meson.build
@@ -56,7 +56,7 @@ if with_opencl_icd
     configuration : _config,
     input : 'mesa.icd.in',
     output : 'mesa.icd',
-    install : true,
+    install : false,
     install_tag : 'runtime',
     install_dir : join_paths(get_option('sysconfdir'), 'OpenCL', 'vendors'),
   )
diff --git a/src/gallium/targets/rusticl/meson.build b/src/gallium/targets/rusticl/meson.build
index 35833dc7423..41a95927cab 100644
--- a/src/gallium/targets/rusticl/meson.build
+++ b/src/gallium/targets/rusticl/meson.build
@@ -63,7 +63,7 @@ configure_file(
   configuration : _config,
   input : 'rusticl.icd.in',
   output : 'rusticl.icd',
-  install : true,
+  install : false,
   install_tag : 'runtime',
   install_dir : join_paths(get_option('sysconfdir'), 'OpenCL', 'vendors'),
 )

package.nix

{
  lib,
  fetchFromGitLab,
  mesa,
}:
(mesa.override {
  galliumDrivers = ["softpipe" "llvmpipe" "asahi"];
  vulkanDrivers = ["swrast" "asahi"];
})
.overrideAttrs (oldAttrs: {
  version = "25.1.0-asahi";
  src = fetchFromGitLab {
    domain = "gitlab.freedesktop.org";
    owner = "asahi";
    repo = "mesa";
    rev = "asahi-20250221";
    hash = "sha256-xt49IaylZYoH3LxYu6Uxd+qRrqQfjI6FDeAD8MLeWP8=";
  };

  mesonFlags = let
    badFlags = [
      "-Dinstall-mesa-clc"
      "-Dopencl-spirv"
      "-Dgallium-nine"
    ];
    isBadFlagList = f: builtins.map (b: lib.hasPrefix b f) badFlags;
    isGoodFlag = f: !(builtins.foldl' (x: y: x || y) false (isBadFlagList f));
  in
    (builtins.filter isGoodFlag oldAttrs.mesonFlags)
    ++ [
      # we do not build any graphics drivers these features can be enabled for
      "-Dgallium-va=disabled"
      "-Dgallium-vdpau=disabled"
      "-Dgallium-xa=disabled"
    ];

  patches = [
    ./opencl.patch
  ];

  postInstall =
    (oldAttrs.postInstall or "")
    + ''
      # we don't build anything to go in this output but it needs to exist
      touch $spirv2dxil
      touch $cross_tools
    '';
})