diff --git a/meson.build b/meson.build
index 393f3ac1b93..fbc90b5645e 100644
--- a/meson.build
+++ b/meson.build
@@ -1836,7 +1836,7 @@ 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 b/meson.options
index b1cdb06fcc9..3e8861979ae 100644
--- a/meson.options
+++ b/meson.options
@@ -856,3 +856,10 @@ option(
   value : false,
   description : 'Build virtgpu_kumquat (only useful with gfxstream currently)'
 )
+
+option(
+  'clang-libdir',
+  type : 'string',
+  value : '',
+  description : 'Locations to search for clang libraries.'
+)
diff --git a/src/gallium/targets/rusticl/meson.build b/src/gallium/targets/rusticl/meson.build
index 2b214adbbf5..7f919397ad5 100644
--- a/src/gallium/targets/rusticl/meson.build
+++ b/src/gallium/targets/rusticl/meson.build
@@ -64,7 +64,7 @@ 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'),
 )