diff --git a/build/cmake/init.cmake b/build/cmake/init.cmake
index 51e47bbdef..3e6fcd06a3 100644
--- a/build/cmake/init.cmake
+++ b/build/cmake/init.cmake
@@ -41,7 +41,7 @@ if(MSVC)
         wx_string_append(CMAKE_C_FLAGS " /MP")
         wx_string_append(CMAKE_CXX_FLAGS " /MP")
     endif()
-elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+elseif(("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCH "*Clang"))
     if(wxBUILD_USE_STATIC_RUNTIME)
         if(MINGW)
             set(STATIC_LINKER_FLAGS " -static -Wl,--allow-multiple-definition")