1 files changed, 66 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/mesa/opencl.patch b/nixpkgs/pkgs/development/libraries/mesa/opencl.patch
new file mode 100644
index 000000000000..fb4da5cf7a0a
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/mesa/opencl.patch
@@ -0,0 +1,66 @@
+diff --git a/meson.build b/meson.build
+index 172c64a7c70..05961e56926 100644
+--- a/meson.build
++++ b/meson.build
+@@ -1900,7 +1900,7 @@ endif
+ 
+ dep_clang = null_dep
+ if with_clc
+-  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.txt b/meson_options.txt
+index 6f307018815..ab84eb1006c 100644
+--- a/meson_options.txt
++++ b/meson_options.txt
+@@ -18,6 +18,12 @@
+ # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ # SOFTWARE.
+ 
++option(
++  'clang-libdir',
++  type : 'string',
++  value : '',
++  description : 'Locations to search for clang libraries.'
++)
+ option(
+   'platforms',
+   type : 'array',
+diff --git a/src/gallium/targets/opencl/meson.build b/src/gallium/targets/opencl/meson.build
+index db3586bd7fb..4d914206d21 100644
+--- a/src/gallium/targets/opencl/meson.build
++++ b/src/gallium/targets/opencl/meson.build
+@@ -39,7 +39,8 @@ if dep_llvm.version().version_compare('>=10.0.0')
+   polly_isl_dep = cpp.find_library('PollyISL', dirs : llvm_libdir, required : false)
+ endif
+ 
+-dep_clang = cpp.find_library('clang-cpp', dirs : llvm_libdir, required : false)
++clang_libdir = get_option('clang-libdir')
++dep_clang = cpp.find_library('clang-cpp', dirs : clang_libdir, required : false)
+ 
+ # meson will return clang-cpp from system dirs if it's not found in llvm_libdir
+ linker_rpath_arg = '-Wl,--rpath=@0@'.format(llvm_libdir)
+@@ -123,7 +124,7 @@ if with_opencl_icd
+     configuration : _config,
+     input : 'mesa.icd.in',
+     output : 'mesa.icd',
+-    install : true,
++    install : false,
+     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 a968dee52db..69475cf3133 100644
+--- a/src/gallium/targets/rusticl/meson.build
++++ b/src/gallium/targets/rusticl/meson.build
+@@ -58,7 +58,7 @@ configure_file(
+   configuration : _config,
+   input : 'rusticl.icd.in',
+   output : 'rusticl.icd',
+-  install : true,
++  install : false,
+   install_dir : join_paths(get_option('sysconfdir'), 'OpenCL', 'vendors'),
+ )
+