Re: GNU M4 1.4.8b released (beta release)

[Eric Blake]

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According to Matthew Woehlke on 3/1/2007 9:16 AM:
>> That's because printf.c is part of gnulib, and both coreutils and m4 use
>> the same source file.  Whatever you do to fix it for one package will fix
>> it for the other; and as Bruno suggested, if compiling with CFLAGS=-O
>> fixes it (by detecting the brokenness of your compiler's long long), then
>> it probably is not worth much further effort in gnulib to work around it.
> 
> Well... aside from the fact that I forgot that (it's been quite a
> while), I still think that if printf.c is going to *assume* unsigned if
> long long exists, then config.h really ought to make this safe, say by
> having something like this in config.h.in:
> 
> #if defined(HAVE_LONG_LONG_INT) && !defined(HAVE_UNSIGNED_LONG_LONG_INT)
> # undef HAVE_LONG_LONG_INT
> #endif

Is it worth patching autoconf's AC_TYPE_LONG_LONG_INT macro to declare
that there is not a usable 'long long int' type if no corresponding
unsigned long long type exists?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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