[PATCH] for libfoo.py

[Christian Ehrlicher]

> Von: Ralf Habacker <ralf.habacker at freenet.de>
> Christian Ehrlicher schrieb:
> 
> >Hello,
> >
> >Because all libfoo.py looks different where there is no need for, I try
> >to clean up them a little bit. This is my next idea.
> >
> >With this patch I added a new function to write the header
> >'config-libfoo.h' and stop configure if the lib is mandatory.
> >But I'm unsure if this headers is actually needed - some of the
> >libfoo.py create it and some don't...
> >  
> >
> If there any defines required the default way is to create header and to 
> place the defines in there. Some checks place the define in the cache, 
> which isn't the prefered way.
> 
> 
> What about non configure checks which requires non standard definition 
> like bzip2 ?
> 
>         if env['CACHED_LIBBZ2']:
>             dest.write('#define HAVE_BZIP2_SUPPORT 1\n');
>             if not conf.CheckFunc('bzDecompressInit'):
>                 dest.write('#define NEED_BZ2_PREFIX 1\n');
>         else:
>             print 'libbz2 not found.'
I think this should be no problem if I can include it as a part of Conf /
Conftest.py. Then you can define a function which should be called in such
cases.

conf.CheckFunc doesn't work like expected for me because it can't find the
headers & libs when they're in extralibs/headers. This is another point why
I want to include it somehow into Conf.

Christian

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