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Date: | Mon, 23 Mar 2009 15:05:13 -0500 |
Message-ID: | <75cc17ac0903231305yb0ec066kefddbb24fdbcd986@mail.gmail.com> |
Subject: | Re: strtold, isnormal |
From: | Gregg Reynolds <dev AT mobileink DOT com> |
To: | cygwin AT cygwin DOT com |
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On Mon, Mar 23, 2009 at 10:49 AM, Corinna Vinschen <corinna-cygwin AT cygwin DOT com> wrote: > On Mar 23 16:44, Corinna Vinschen wrote: >> On Mar 23 10:40, Gregg Reynolds wrote: >> > Hi, >> > >> > I'm trying to build tokyocabinet on cygwin. =C2=A0It needs strtold and= the >> > isnormal macro. =C2=A0Before I hack up an ad-hoc fix are there any pla= ns to >> > implement these for cygwin? >> >> Not yet. =C2=A0The reason is that Cygwin's underlying math library (part >> of newlib), does not handle long doubles at all so far. =C2=A0That's why >> we have none of the long double functions like cosl etc. > > 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=3D1 -D_REENTRANT -D__EXTENSIONS__ -D_TC_PREFIX=3D"\"/usr/local\"" -D_TC_INCLUDEDIR=3D"\"/usr/local/include\"" -D_TC_LIBDIR=3D"\"/usr/local/lib\"" -D_TC_BINDIR=3D"\"/usr/local/bin\"" -D_TC_LIBEXECDIR=3D"\"/usr/local/libexec\"" -D_TC_APPINC=3D"\"-I/usr/local/include\"" -D_TC_APPLIBS=3D"\"-L/usr/local/lib -ltokyocabinet -lbz2 -lz -lpthread -lm -lc \"" -I/usr/include -std=3Dc99 -Wall -fPIC -fsigned-char -O2 tcutil.c result: tcutil.c:4948: warning: implicit declaration of function `isnormal' and then tcutil.o:tcutil.c:(.text+0x2889): undefined reference to `_isnormal' If I run cpp -dDI tcutil.c it shows the macro included and substituted prop= erly. I can't see anything in the source that would account for this. Any idea what's happening? -- 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/
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