add_compile_definitions(
  $<$<BOOL:${SwiftCore_ENABLE_OBJC_INTEROP}>:-DSWIFT_OBJC_INTEROP>
  $<$<BOOL:${SwiftCore_ENABLE_LIBRARY_EVOLUTION}>:-DSWIFT_LIBRARY_EVOLUTION>
  $<$<BOOL:${SwiftCore_ENABLE_CRASH_REPORTER_CLIENT}>:-DSWIFT_HAVE_CRASHREPORTERCLIENT>
  $<$<BOOL:${SwiftCore_ENABLE_REFLECTION}>:-DSWIFT_ENABLE_REFLECTION>
  $<$<BOOL:${SwiftCore_ENABLE_RUNTIME_FUNCTION_COUNTERS}>:-DSWIFT_ENABLE_RUNTIME_FUNCTION_COUNTERS>
  $<$<BOOL:${SwiftCore_ENABLE_STDIN}>:-DSWIFT_STDLIB_HAS_STDIN> # core + stubs
  $<$<BOOL:${SwiftCore_ENABLE_RUNTIME_OS_VERSIONING}>:-DSWIFT_RUNTIME_OS_VERSIONING> # core + stubs
  $<$<BOOL:${SwiftCore_ENABLE_INTERNAL_CHECKS}>:-DINTERNAL_CHECKS_ENABLED> # core
  $<$<BOOL:${SwiftCore_ENABLE_STATIC_PRINT}>:-DSWIFT_STDLIB_STATIC_PRINT> # core + concurrency
  $<$<BOOL:${SwiftCore_ENABLE_UNICODE_DATA}>:-DSWIFT_STDLIB_ENABLE_UNICODE_DATA> # Stubs
  $<$<BOOL:${SwiftCore_ENABLE_ENVIRONMENT}>:-DSWIFT_STDLIB_HAS_ENVIRON> # Concurrency, runtime, shims, platform overlay
  $<$<BOOL:${SwiftCore_ENABLE_BACKDEPLOYMENT_SUPPORT}>:-DSWIFT_STDLIB_SUPPORT_BACK_DEPLOYMENT> # Concurrency, Compatibility override, magic symbols
  $<$<BOOL:${SwiftCore_HAS_DARWIN_LIBMALLOC}>:-DSWIFT_STDLIB_HAS_DARWIN_LIBMALLOC> # Anything that includes include/swift/Runtime/Config.h
  $<$<COMPILE_LANGUAGE:C,CXX>:-DSWIFT_THREADING_${SwiftCore_THREADING_PACKAGE}>
  $<$<COMPILE_LANGUAGE:C,CXX>:-DSWIFT_RUNTIME_ENABLE_LEAK_CHECKER=$<BOOL:${SwiftCore_ENABLE_RUNTIME_LEAK_CHECKER}>>
  $<$<BOOL:${SwiftCore_ENABLE_CLOBBER_FREED_OBJECTS}>:-DSWIFT_RUNTIME_CLOBBER_FREED_OBJECTS>)

list(APPEND result "-DSWIFT_STDLIB_HAS_DARWIN_LIBMALLOC=1")

list(APPEND result "-DSWIFT_STDLIB_HAS_DARWIN_LIBMALLOC=0")