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Message-ID:	<ADF57C3C368ED411803C00508BCDF1A559C9A0@cddkmail.cph.magnus.local>
From:	Peter Ring <pri AT magnus DOT dk>
To:	cygwin AT cygwin DOT com
Subject:	RE: Bug in core CYGWIN libraries - fpclassifyd
Date:	Thu, 27 Jun 2002 15:19:27 +0200
MIME-Version:	1.0

Similar problem with cygwin 1.3.11-3 and libxml2 2.4.22. From configure'ing
libxml2, the included TRIO shouldn't be needed. But make'ing, there are a
couple of unresolved symbols from libxml2's trionan.c, because of references
to fpclassify and signbit.

These are now defined as macroes in /usr/include/math.h:

#define fpclassify(x) \
          (__extension__ ({__typeof__(x) __x = (x); \
                           (sizeof (__x) == sizeof (float))  ?
__fpclassifyf(__x) : __fpclassifyd(__x);}))

#define signbit(x) \
          (__extension__ ({__typeof__(x) __x = (x); \
                           (sizeof(__x) == sizeof(float)) ? __signbitf(__x)
: __signbitd(__x);}))

As far as I can see, __fpclassifyf, __fpclassifyl, __signbitf, and
__signbitl can be found in /lib/libmingwex.a, but __fpclassifyd and
__signbitd are nowhere to be found.

A temporary solution might be to force use of included TRIO sources, so that
trio_fpclassify and trio_signbit are used rather than fpclassify and
signbit.

Kind regards
Peter Ring


-----Original Message-----
From: Chris Bitmead [mailto:chris AT bitmead DOT com]
Sent: 27. juni 2002 13:53
To: cygwin AT cygwin DOT com
Subject: Bug in core CYGWIN libraries - fpclassifyd



It seems to me that guile 1.4.1 will not build with current cygwin 
libraries due to the lack of the symbol fpclassifyd. As far as I can 
make out this seems to be some problem with current version of cygwin.




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