[PyQt] Extending configure.py/siputils.py to pass CPPFLAGS

[Phil Thompson]

On Fri, 22 Jun 2012 18:45:27 -0400, Scott Kitterman <debian at kitterman.com>
wrote:
> In order to support Debian's goal to have a common set of default build
> flags 
> for the distribution (with a particular focus on hardening related
> changes), I 
> need to pass CPPFLAGS through configure.
> 
> I came up with the attached patch for sip4 0.13.3.  I'd appreciate a
> review.  
> It works.  I won't say much for it beyond that as I'm not sure I've
fully 
> grokked what's going on in siputils.py.  If this seams reasonable, I
> intend to 
> attack PyQt4 and QScintilla2 also.

Why? Does Debian need it to be called CPPFLAGS specifically rather than
the already supported CXXFLAGS?

Phil