[UnitTests][Windows] Link with Synchronization.lib

The runtime unit tests also need to link with Synchronization.lib.

rdar://90776105

Author: al45tair

unittests/Basic/CMakeLists.txt

@@ -48,3 +48,7 @@ target_link_libraries(SwiftBasicTests
   clangBasic
   LLVMTestingSupport
   )
+
+if(SWIFT_HOST_VARIANT STREQUAL windows)
+  target_link_libraries(SwiftBasicTests PRIVATE Synchronization)
+endif()

unittests/Threading/CMakeLists.txt

@@ -1,16 +1,19 @@
-add_swift_unittest(SwiftThreadingTests
-  Mutex.cpp
-  Once.cpp
-  LinuxUlock.cpp
-  Fatal.cpp
-  )
+if(("${SWIFT_HOST_VARIANT_SDK}" STREQUAL "${SWIFT_PRIMARY_VARIANT_SDK}") AND
+   ("${SWIFT_HOST_VARIANT_ARCH}" STREQUAL "${SWIFT_PRIMARY_VARIANT_ARCH}"))
+  add_swift_unittest(SwiftThreadingTests
+    Mutex.cpp
+    Once.cpp
+    LinuxUlock.cpp
+    Fatal.cpp
+    )
 
-target_link_libraries(SwiftThreadingTests
-  PRIVATE
-  swiftThreading${SWIFT_PRIMARY_VARIANT_SUFFIX}
-  swiftCore${SWIFT_PRIMARY_VARIANT_SUFFIX}
-  )
+  target_link_libraries(SwiftThreadingTests
+    PRIVATE
+    swiftThreading${SWIFT_PRIMARY_VARIANT_SUFFIX}
+    swiftCore${SWIFT_PRIMARY_VARIANT_SUFFIX}
+    )
 
-if(CMAKE_SYSTEM_NAME STREQUAL Windows)
-  target_link_libraries(SwiftThreadingTests PRIVATE Synchronization)
+  if(SWIFT_HOST_VARIANT STREQUAL windows)
+    target_link_libraries(SwiftThreadingTests PRIVATE Synchronization)
+  endif()
 endif()

unittests/runtime/CMakeLists.txt

@@ -64,7 +64,7 @@ if(("${SWIFT_HOST_VARIANT_SDK}" STREQUAL "${SWIFT_PRIMARY_VARIANT_SDK}") AND
       ${EXECINFO_LIBRARY}
       )
   elseif(SWIFT_HOST_VARIANT STREQUAL windows)
-    list(APPEND PLATFORM_TARGET_LINK_LIBRARIES DbgHelp)
+    list(APPEND PLATFORM_TARGET_LINK_LIBRARIES DbgHelp;Synchronization)
   endif()
 
   if(SWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY)

unittests/runtime/LongTests/CMakeLists.txt

@@ -31,7 +31,7 @@ if(("${SWIFT_HOST_VARIANT_SDK}" STREQUAL "${SWIFT_PRIMARY_VARIANT_SDK}") AND
       ${EXECINFO_LIBRARY}
       )
   elseif(SWIFT_HOST_VARIANT STREQUAL windows)
-    list(APPEND PLATFORM_TARGET_LINK_LIBRARIES DbgHelp)
+    list(APPEND PLATFORM_TARGET_LINK_LIBRARIES DbgHelp;Synchronization)
   endif()
 
   add_swift_unittest(SwiftRuntimeLongTests