target_compile_definitions(swiftStdlibStubs PRIVATE
  $<$<BOOL:${BUILD_SHARED_LIBS}>:-DswiftCore_EXPORTS>
  $<$<BOOL:${SwiftCore_ENABLE_UNICODE_DATA}>:-DSWIFT_STDLIB_ENABLE_UNICODE_DATA>
  $<$<BOOL:${SwiftCore_HAS_LOCALE}>:-DSWIFT_STDLIB_HAS_LOCALE>)

list(APPEND result "-DSWIFT_STDLIB_HAS_LOCALE")