Buildsystem: Make options load BEFORE platformchecks, so they are preloaded correctly

+ add some more output to make it easier to find possible issues with the new layout

--HG--
branch : trunk

cmake/compiler/gcc/settings.cmake

@@ -2,14 +2,18 @@ add_definitions(-fno-delete-null-pointer-checks)
 
 if( USE_SFMT)
   add_definitions(-msse2)
+  message(STATUS "- GCC: SFMT enabled, SSE2 flag forced")
 endif()
 
 if( WITH_WARNINGS )
   add_definitions(-Wall -Wfatal-errors -Wextra)
+  message(STATUS "- GCC: All warnings enabled")
 else()
   add_definitions(--no-warnings)
+  message(STATUS "- GCC: All warnings disabled")
 endif()
 
 if( WITH_COREDEBUG )
   add_definitions(-ggdb3)
+  message(STATUS "- GCC: Debug-flags set (-ggdb3)")
 endif()