This is the mail archive of the cygwin mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: strtold, isnormal


>> Oh, btw., the isnormal macro exists in math.h.
>
> Thanks. ?But 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.

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]