Re: strtold, isnormal

[Gregg Reynolds <dev at mobileink dot com>]

On Mon, Mar 23, 2009 at 3:19 PM, Andy Koppe <andy.koppe@gmail.com> wrote:
>>> Oh, btw., the isnormal macro exists in math.h.
>>
>> Thanks. ÂBut for some reason it's not getting picked up:
>>
>> gcc -c -I. -I/usr/local/include -I/home/reynolds-gregg/include
>> -I/usr/local/include -DNDEBUG -D_GNU_SOURCE=1 -D_REENTRANT
>> -D__EXTENSIONS__ -D_TC_PREFIX="\"/usr/local\""
>> -D_TC_INCLUDEDIR="\"/usr/local/include\""
>> -D_TC_LIBDIR="\"/usr/local/lib\"" -D_TC_BINDIR="\"/usr/local/bin\""
>> -D_TC_LIBEXECDIR="\"/usr/local/libexec\""
>> -D_TC_APPINC="\"-I/usr/local/include\""
>> -D_TC_APPLIBS="\"-L/usr/local/lib -ltokyocabinet -lbz2 -lz -lpthread
>> -lm -lc \"" -I/usr/include -std=c99 -Wall -fPIC -fsigned-char -O2
>> tcutil.c
>>
>> result:
>>
>> tcutil.c:4948: warning: implicit declaration of function `isnormal'
>
> isnormal() and a load of other things are guarded by
> '#if !defined(__STRICT_ANSI__)' in math.h, and __STRICT_ANSI__ does
> get defined for -std=c99.
>
> It's definitely in the C99 standard though, so either the header is
> wrong or __STRICT_ANSI__ shouldn't be defined.
>

Aha!  The fix described here
http://osdir.com/ml/lib.dietlibc/2003-11/msg00005.html seems to work,
although I don't know if it's appropriate for cygwin.  Now I just have
to figure out what to do about strtold.

Thanks,

gregg

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