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Re: #if vs. #ifdef -- again (was: AC_CHECK_SIZEOF failing on undefined H
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From: |
Andreas Schwab |
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Subject: |
Re: #if vs. #ifdef -- again (was: AC_CHECK_SIZEOF failing on undefined HAVE_STDINT_H with -Werror) |
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Date: |
Tue, 15 Aug 2006 17:38:03 +0200 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux) |
nash <address@hidden> writes:
> Really? C99 seems to do so (section 6.10.1). Perhaps I'm reading more
> into it than is actually there, though.
6.10.1#3 ... If the token defined is generated as a result of this
replacement process or use of the defined unary operator does not match
one of the two specified forms prior to macro replacement, the behavior
is undefined.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
Re: AC_CHECK_SIZEOF failing on undefined HAVE_STDINT_H with -Werror, Paul Eggert, 2006/08/15
Re: AC_CHECK_SIZEOF failing on undefined HAVE_STDINT_H with -Werror, Eric Blake-1, 2006/08/28