[device-libs] Allow link to llvm shared library for current distros (llvm#1223)

Author: lamb-j

amd/device-libs/utils/prepare-builtins/CMakeLists.txt

@@ -26,5 +26,11 @@ set_target_properties(prepare-builtins PROPERTIES
   CXX_STANDARD_REQUIRED Yes
   CXX_EXTENSIONS No)
 llvm_update_compile_flags(prepare-builtins)
-llvm_map_components_to_libnames(llvm_libs support core bitreader bitwriter)
+
+if (LLVM_LINK_LLVM_DYLIB)
+  set(llvm_libs LLVM)
+else()
+  llvm_map_components_to_libnames(llvm_libs support core bitreader bitwriter)
+endif()
+
 target_link_libraries(prepare-builtins ${llvm_libs})