[cmake] add Synchronization library to Supplemental build

Addresses rdar://150300769

Author: justice-adams-apple

Runtimes/Resync.cmake

@@ -96,6 +96,9 @@ endforeach()
 message(STATUS "plist[${StdlibSources}/Info.plist.in] -> Core/Info.plist.in")
 copy_files("" "Core" FILES "Info.plist.in")
 
+message(STATUS "plist[${StdlibSources}/Info.plist.in] -> Supplemental/Synchronization/Info.plist.in")
+copy_files("" "Supplemental/Synchronization" FILES "Info.plist.in")
+
 # Platform Overlays
 
 # Copy magic linker symbols
@@ -153,6 +156,8 @@ copy_files(public/Platform Overlay/Windows/CRT
 # libraries, and test support libraries.
 
 # Supplemental Libraries
+copy_library_sources("Synchronization" "public" "Supplemental")
+
 
 # Copy StringProcessing, RegexParser, RegexBuilder
 if(NOT DEFINED StringProcessing_ROOT_DIR)

Runtimes/Supplemental/CMakeLists.txt

@@ -22,6 +22,7 @@ endif()
 
 set(COMMON_OPTIONS
   -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS}
+  -DSwift_SDKROOT=${SDKROOT}
   -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
   -DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR}
   -DCMAKE_INSTALL_NAME_DIR=${CMAKE_INSTALL_NAME_DIR}
@@ -47,3 +48,14 @@ if(SwiftRuntime_ENABLE_stringprocessing)
     CMAKE_ARGS
       ${COMMON_OPTIONS})
 endif()
+
+# Synchronization
+if(SwiftRuntime_ENABLE_synchronization)
+  ExternalProject_Add(Synchronization
+    PREFIX "Synchronization"
+    SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/Synchronization"
+    INSTALL_DIR "${CMAKE_INSTALL_PREFIX}"
+    INSTALL_COMMAND ""
+    CMAKE_ARGS
+      ${COMMON_OPTIONS})
+endif()

Runtimes/Supplemental/Synchronization/CMakeLists.txt

@@ -0,0 +1,106 @@
+cmake_minimum_required(VERSION 3.29)
+
+if($ENV{BUILD_NUMBER})
+  math(EXPR BUILD_NUMBER "$ENV{BUILD_NUMBER} % 65535")
+  set(BUILD_NUMBER ".${BUILD_NUMBER}")
+endif()
+
+project(SwiftSynchronization
+  LANGUAGES Swift
+  VERSION 6.1.0${BUILD_NUMBER})
+
+if(NOT PROJECT_IS_TOP_LEVEL)
+  message(SEND_ERROR "Swift Synchronization must build as a standalone project")
+endif()
+
+set(CMAKE_POSITION_INDEPENDENT_CODE YES)
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../cmake/modules")
+
+set(CMAKE_Swift_LANGUAGE_VERSION 5)
+
+include(GNUInstallDirs)
+
+set(${PROJECT_NAME}_SWIFTC_SOURCE_DIR
+  "${PROJECT_SOURCE_DIR}/../../../"
+  CACHE FILEPATH "Path to the root source directory of the Swift compiler")
+
+set(${PROJECT_NAME}_VENDOR_MODULE_DIR "${CMAKE_SOURCE_DIR}/../cmake/modules/vendor"
+  CACHE FILEPATH "Location for private build system extension")
+
+find_package(SwiftCore QUIET REQUIRED)
+
+include(gyb)
+include(ResourceEmbedding)
+include(AvailabilityMacros)
+include(PlatformInfo)
+
+include("${${PROJECT_NAME}_VENDOR_MODULE_DIR}/Settings.cmake" OPTIONAL)
+
+option(${PROJECT_NAME}_ENABLE_LIBRARY_EVOLUTION "Generate ABI resilient runtime libraries"
+  ${SwiftCore_ENABLE_LIBRARY_EVOLUTION})
+
+option(${PROJECT_NAME}_ENABLE_PRESPECIALIZATION "Enable generic metadata prespecialization"
+  ${SwiftCore_ENABLE_PRESPECIALIZATION})
+
+include(CatalystSupport)
+include(EmitSwiftInterface)
+
+add_compile_options(
+  "$<$<COMPILE_LANGUAGE:Swift>:-nostdlibimport>"
+  "$<$<AND:$<BOOL:${${PROJECT_NAME}_ENABLE_LIBRARY_EVOLUTION}>,$<COMPILE_LANGUAGE:Swift>>:-enable-library-evolution>"
+  "$<$<AND:$<BOOL:${${PROJECT_NAME}_ENABLE_PRESPECIALIZATION}>,$<COMPILE_LANGUAGE:Swift>>:SHELL:-Xfrontend -prespecialize-generic-metadata>"
+  $<$<COMPILE_LANGUAGE:Swift>:-explicit-module-build>
+  $<$<COMPILE_LANGUAGE:Swift>:-enable-builtin-module>
+  $<$<COMPILE_LANGUAGE:Swift>:-strict-memory-safety>
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature RawLayout>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature StaticExclusiveOnly>"
+  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-experimental-feature Extern>")
+
+gyb_expand(Atomics/AtomicIntegers.swift.gyb Atomics/AtomicIntegers.swift)
+gyb_expand(Atomics/AtomicStorage.swift.gyb Atomics/AtomicStorage.swift)
+
+add_library(swiftSynchronization
+  Atomics/Atomic.swift
+  Atomics/AtomicBool.swift
+  Atomics/AtomicFloats.swift
+  Atomics/AtomicLazyReference.swift
+  Atomics/AtomicMemoryOrderings.swift
+  Atomics/AtomicOptional.swift
+  Atomics/AtomicPointers.swift
+  Atomics/AtomicRepresentable.swift
+  Atomics/WordPair.swift
+  Atomics/AtomicStorage.swift
+  Atomics/AtomicIntegers.swift
+  Cell.swift
+  Mutex/Mutex.swift
+  $<$<PLATFORM_ID:Darwin>:Mutex/DarwinImpl.swift>
+  $<$<PLATFORM_ID:Linux>:Mutex/LinuxImpl.swift>
+  $<$<PLATFORM_ID:WASI>:Mutex/SpinLoopHint.swift>
+  $<$<PLATFORM_ID:WINDOWS>:Mutex/WindowsImpl.swift>)
+
+set_target_properties(swiftSynchronization PROPERTIES
+  Swift_MODULE_NAME Synchronization)
+
+target_link_libraries(swiftSynchronization
+  PRIVATE
+    swiftCore
+    $<$<PLATFORM_ID:Darwin>:swiftDarwin>)
+
+set(${PROJECT_NAME}_INSTALL_LIBDIR "${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>$<$<BOOL:${Supplemental_INSTALL_NESTED_SUBDIR}>:/${Supplemental_PLATFORM_SUBDIR}/${Supplemental_ARCH_SUBDIR}>" CACHE STRING "")
+set(${PROJECT_NAME}_INSTALL_SWIFTMODULEDIR "${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>$<$<BOOL:${Supplemental_INSTALL_NESTED_SUBDIR}>:/${Supplemental_PLATFORM_SUBDIR}>" CACHE STRING "")
+
+install(TARGETS swiftSynchronization
+  EXPORT SwiftSupplementalTargets
+  COMPONENT ${PROJECT_NAME}_runtime
+  ARCHIVE DESTINATION "${${PROJECT_NAME}_INSTALL_LIBDIR}"
+  LIBRARY DESTINATION "${${PROJECT_NAME}_INSTALL_LIBDIR}"
+  RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
+emit_swift_interface(swiftSynchronization)
+install_swift_interface(swiftSynchronization)
+
+# Configure plist creation for Darwin platforms.
+generate_plist("${CMAKE_PROJECT_NAME}" "${CMAKE_PROJECT_VERSION}" swiftSynchronization)
+embed_manifest(swiftSynchronization)
+
+include("${${PROJECT_NAME}_VENDOR_MODULE_DIR}/swiftSynchronization.cmake" OPTIONAL)