From kde-devel  Sat Apr 07 07:41:11 2001
From: Thomas Leitner <tom () radar ! tu-graz ! ac ! at>
Date: Sat, 07 Apr 2001 07:41:11 +0000
To: kde-devel
Subject: Suggestion: config.h.bot should be appended unmodified to config.h
X-MARC-Message: https://marc.info/?l=kde-devel&m=98662962722529


As the automatic configuration with automake/autoconf seems to produce
increasingly more problems than it solves on non-linux platforms (see my
previous posting with the ksize_t problem), I suggest to provide a way for
manually overriding *all* values which are detected by the automatic
configurations. This should include *everything* which is currently
included in config.h.

A starting point is config.h.bot which can currently already contain
platform specific stuff. The only problem is that I cannot redefine things
in config.h.bot which were improperly detected by autoconf. Example: If
autoconf picks up HAVE_SOMETHING, I want to have the ability to do:

#ifdef __osf__
#ifdef HAVE_SOMETHING
#undef HAVE_SOMETHING
#endif
#endif

This does not work currently because autoconf processes the contents
of config.h.bot as well and modifies my #undef HAVE_SOMETHING to
#define HAVE_SOMETHING!

The same goes for things links ksize_t. I want this:

#ifdef __osf__
#ifdef ksize_t
#undef ksize_t
#endif
#define ksize_t size_t
#endif

If I put this in config.h.bot I end up with

#ifdef __osf__
#ifdef ksize_t
#undef ksize_t
#endif
#define ksize_t int
#endif

in config.h!!

I think this would save us non-linuxers an awful lot of work if
config.h.bot could just be *appended* to config.h rather than processed
along with it. I think we must accept that autoconf can never be so good
that it works on all platforms equally well and that it picks up correct
values everywhere.

Any comments?

Tom
-- 
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Dr. Tom Leitner                             Dept. of Communications
                                            Graz University of Technology,
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