Re: #if vs. #ifdef -- again (was: AC_CHECK_SIZEOF failing on undefined HAVE_STDINT_H with -Werror)

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nash <nashef@xxxxxxxxx> 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, schwab@xxxxxxx
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."


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