Enable FASTLINK for MSVC debug builds on demand

Change-Id: I9aecaacf48fdcc486d5bb3c29b9ceb53c4fea261
Signed-off-by: Dunajski, Bartosz <[email protected]>

Author: BartoszDunajski

CMakeLists.txt

@@ -46,6 +46,12 @@ set(CMAKE_C_FLAGS_RELEASEINTERNAL "${CMAKE_C_FLAGS_RELEASE}")
 set(CMAKE_CXX_FLAGS_RELEASEINTERNAL "${CMAKE_CXX_FLAGS_RELEASE}")
 set(CMAKE_SHARED_LINKER_FLAGS_RELEASEINTERNAL "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
 set(CMAKE_EXE_LINKER_FLAGS_RELEASEINTERNAL "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+if(MSVC AND ENABLE_VS_FASTLINK)
+    string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG " /debug:FASTLINK")
+    string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG " /debug:FASTLINK")
+    string(APPEND CMAKE_STATIC_LINKER_FLAGS_DEBUG " /debug:FASTLINK")
+    string(APPEND CMAKE_MODULE_LINKER_FLAGS_DEBUG " /debug:FASTLINK")
+endif()
 
 string(TOLOWER "${CMAKE_BUILD_TYPE}" BUILD_TYPE_lower)
 if("${BUILD_TYPE_lower}" STREQUAL "releaseinternal")