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Re: can autoconf determine if a preprocessor macro is defined or not?
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From: |
Andreas Schwab |
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Subject: |
Re: can autoconf determine if a preprocessor macro is defined or not? |
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Date: |
Thu, 27 Jul 2006 14:49:52 +0200 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux) |
Ed Hartnett <address@hidden> writes:
> But is there an autoconf way to solve this? I can see how to use
> autoconf to detect if a function can be found in a library
> (AC_CHECK_LIB), but how do you check if a preprocessor symbol is
> defined in a header file?
Why do you need autoconf for that? The C preprocessor is perfectly
capable of doing it.
> Here's what I had to add to get my code to build. I would prefer if
> autoconf could add this to config.h, for example:
Just use AH_VERBATIM to add anything you like to config.h.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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