no need to add own define for openmp.

source/blender/python/SConscript

@@ -170,10 +170,6 @@ if env['WITH_BF_OIIO']:
 if env['WITH_BF_PLAYER']:
     defs.append('WITH_PLAYER')
     
-if env['WITH_BF_OPENMP']:
-    defs.append('WITH_OPENMP')
-
-
 
 if env['OURPLATFORM'] in ('win32-vc', 'win32-mingw', 'win64-mingw', 'linuxcross', 'win64-vc'):
     incs += ' ' + env['BF_PTHREADS_INC']

source/blender/python/intern/CMakeLists.txt

@@ -242,10 +242,5 @@ if(WITH_PLAYER)
 	add_definitions(-DWITH_PLAYER)
 endif()
 
-if(WITH_OPENMP)
-	add_definitions(-DWITH_OPENMP)
-endif()
-
-
 
 blender_add_lib(bf_python "${SRC}" "${INC}" "${INC_SYS}")

source/blender/python/intern/bpy_app_build_options.c

@@ -289,7 +289,7 @@ static PyObject *make_builtopts_info(void)
 	SetObjIncref(Py_False);
 #endif
 
-#ifdef WITH_OPENMP
+#ifdef _OPENMP
 	SetObjIncref(Py_True);
 #else
 	SetObjIncref(Py_False);