Core/Buildsystem: Set up mutliprocess compiles for all buildmodes (non-PCH/PCH with and without debugmodes)

--HG--
branch : trunk

cmake/compiler/msvc/settings.cmake

@@ -31,10 +31,7 @@ endif()
 add_definitions(-D_BUILD_DIRECTIVE="$(ConfigurationName)")
 
 # multithreaded compiling on VS
-if((NOT USE_COREPCH) AND (NOT USE_SCRIPTPCH))
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
-  message(STATUS "MSVC: PCH not used - enabled multithreaded compiling")
-endif()
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
 
 # Define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES - eliminates the warning by changing the strcpy call to strcpy_s, which prevents buffer overruns
 add_definitions(-D_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES)