Properly split multiple arguments passed via CXXFLAGS
--- SConscript.orig	2011-12-24 21:46:47 UTC
+++ SConscript
@@ -120,6 +120,9 @@ class Project:
             'CheckSDLLib': CheckSDLLib,
             'CheckIconv': CheckIconv,
             })
+
+        self.env["CXXFLAGS"] = sum(map (lambda x: x.split(" "), self.env["CXXFLAGS"]), [])
+
         self.fatal_error = ""
         self.reports = ""