OSX/scons: don´t link to system stubs with 10.7 sdk

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@39689 954f8c5b-7b00-dc11-b283-0030488c597c

blender/build_files/scons/config/darwin-config.py

@@ -316,7 +316,11 @@
 		PLATFORM_LINKFLAGS = PLATFORM_LINKFLAGS+['-framework','QuickTime']
 
 #note to build succesfully on 10.3.9 SDK you need to patch  10.3.9 by adding the SystemStubs.a lib from 10.4
-LLIBS = ['stdc++', 'SystemStubs']
+#for 10.7.sdk, SystemStubs needs to be excluded (lib doesn't exist anymore)
+if MACOSX_DEPLOYMENT_TARGET == '10.7':
+	LLIBS = ['stdc++']
+else:
+	LLIBS = ['stdc++', 'SystemStubs']
 
 # some flags shuffling for different OS versions
 if MAC_MIN_VERS == '10.3':