Runtimes: extract and hoist "global" flags

These set of Swift flags are applied to all runtime libraries that are
built. Hoist them to the top-level to spell them once and to keep all
the libraries in sync.

Author: compnerd

Runtimes/Core/CMakeLists.txt

@@ -138,6 +138,29 @@ add_compile_options(
   $<$<COMPILE_LANGUAGE:CXX>:-funwind-tables>)
 
 add_compile_options(
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-library-level api>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-runtime-compatibility-version none>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NoncopyableGenerics2>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SuppressedAssociatedTypes>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SE427NoInferenceOnExtension>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature AllowUnsafeAttribute>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NonescapableTypes>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependence>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature MemberImportVisibility>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature TypedThrows>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Macros>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature FreestandingMacros>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature BitwiseCopyable>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Extern>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-experimental-concise-pound-file>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-lexical-lifetimes=false>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-concurrency-module-import>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-backtracing-module-import>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-string-processing-module-import>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enforce-exclusivity=unchecked>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-ossa-modules>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -empty-abi-descriptor>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -target-min-inlining-version -Xfrontend min>"
   "$<$<AND:$<NOT:$<BOOL:${SwiftCore_ENABLE_OBJC_INTEROP}>>,$<COMPILE_LANGUAGE:Swift>>:SHELL:-Xfrontend -disable-objc-interop>"
   "$<$<AND:$<PLATFORM_ID:Windows>,$<COMPILE_LANGUAGE:Swift>>:SHELL:-Xcc -Xclang -Xcc -fbuiltin-headers-in-system-modules>"
   "$<$<AND:$<BOOL:${SwiftCore_ENABLE_LIBRARY_EVOLUTION}>,$<COMPILE_LANGUAGE:Swift>>:-enable-library-evolution>")

Runtimes/Core/core/CMakeLists.txt

@@ -278,33 +278,10 @@ target_compile_options(swiftCore PRIVATE
   $<$<COMPILE_LANGUAGE:Swift>:-disable-autolinking-runtime-compatibility-dynamic-replacements>
   $<$<COMPILE_LANGUAGE:Swift>:-no-link-objc-runtime>
   $<$<COMPILE_LANGUAGE:Swift>:-warn-implicit-overrides>
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-library-level api>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-runtime-compatibility-version none>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NoncopyableGenerics2>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SuppressedAssociatedTypes>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature SE427NoInferenceOnExtension>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature AllowUnsafeAttribute>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature NonescapableTypes>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature LifetimeDependence>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature MemberImportVisibility>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature TypedThrows>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Macros>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature FreestandingMacros>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature BitwiseCopyable>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Extern>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -group-info-path -Xfrontend ${CMAKE_CURRENT_SOURCE_DIR}/GroupInfo.json>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-experimental-concise-pound-file>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-autolinking-runtime-compatibility-concurrency>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-objc-attr-requires-foundation-module>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -require-explicit-availability=ignore>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enforce-exclusivity=unchecked>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-ossa-modules>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -target-min-inlining-version -Xfrontend min>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -enable-lexical-lifetimes=false>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -empty-abi-descriptor>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-concurrency-module-import>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-backtracing-module-import>"
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-string-processing-module-import>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -prespecialize-generic-metadata>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xllvm -sil-inline-generics>"
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xllvm -sil-partial-specialization>")