Fixed: RETURN() doesn't exit from macro but from current file (thanks Nimetu!)

--HG--
branch : develop

code/CMakeModules/PCHSupport.cmake

@@ -380,11 +380,7 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
 ENDMACRO()
 
 MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
-  IF(NOT PCHSupport_FOUND)
-    MESSAGE(STATUS "PCH disabled because compiler doesn't support them")
-    RETURN()
-  ENDIF()
-
+  IF(PCHSupport_FOUND)
     # 0 => creating a new target for PCH, works for all makefiles
     # 1 => setting PCH for VC++ project, works for VC++ projects
     # 2 => setting PCH for XCode project, works for XCode projects
@@ -429,4 +425,7 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
     IF(TARGET ${_targetName}_static)
       ADD_NATIVE_PRECOMPILED_HEADER(${_targetName}_static ${_inputh} ${_inputcpp})
     ENDIF()
+  ELSE()
+    MESSAGE(STATUS "PCH disabled because compiler doesn't support them")
+  ENDIF()
 ENDMACRO()