DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:mime-version:from:date:message-id:subject:to
	:content-type:content-transfer-encoding; q=dns; s=default; b=M/X
	o9X16/uce0PvfRLesUliu8Ch39rdnQS17mnnk31DQUUpN0WVvM100dVxP2POfNLc
	8iFeJ36d3Di2f1W3myD3704X1Q688FLZoXNy3p1GvxwDfHjE2wn6sR4HLmw2rE9N
	x/LIG+CQ5F286rrUs4u9IFMtlUMQIMOZhUfN4QJA=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
MIME-Version: 1.0
From: Felipe Vieira <fmv1992 AT gmail DOT com>
Date: Mon, 22 Aug 2016 12:41:49 -0300
Message-ID: <CAMZ6u3uOAGiwf9NYpQWBS=j4uzWbVsiJbn7fSv16gQyJcf3DKA@mail.gmail.com>
Subject: building libgeos
To: cygwin AT cygwin DOT com
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Guys,
I'm getting this error when trying to compile libgeos:

"""
In file included from ../../../include/geos/geom/Geometry.h:25:0,
                 from IndexedPointInAreaLocator.cpp:17:
../../../include/geos/geom/Coordinate.inl: In member function ‘bool
geos::geom::Coordinate::isNull() const’:
../../../include/geos/platform.h:90:27: error: ‘isnan’ was not
declared in this scope
 # define ISNAN(x) (isnan(x))
                           ^
../../../include/geos/geom/Coordinate.inl:38:10: note: in expansion of
macro ‘ISNAN’
  return (ISNAN(x) && ISNAN(y) && ISNAN(z));
          ^
../../../include/geos/platform.h:90:27: note: suggested alternative:
 # define ISNAN(x) (isnan(x))
                           ^
../../../include/geos/geom/Coordinate.inl:38:10: note: in expansion of
macro ‘ISNAN’
  return (ISNAN(x) && ISNAN(y) && ISNAN(z));
          ^
In file included from ../../../include/geos/geom/Coordinate.inl:22:0,
                 from ../../../include/geos/geom/Coordinate.h:158,
                 from ../../../include/geos/geom/Envelope.h:25,
                 from ../../../include/geos/geom/Geometry.h:27,
                 from IndexedPointInAreaLocator.cpp:17:
/usr/lib/gcc/x86_64-pc-cygwin/5.4.0/include/c++/cmath:862:5: note:
‘std::isnan’
     isnan(_Tp __f)
     ^
In file included from ../../../include/geos/geom/Geometry.h:25:0,
                 from IndexedPointInAreaLocator.cpp:17:
../../../include/geos/geom/Coordinate.inl: In member function ‘bool
geos::geom::Coordinate::equals3D(const geos::geom::Coordinate&)
const’:
../../../include/geos/platform.h:90:27: error: ‘isnan’ was not
declared in this scope
 # define ISNAN(x) (isnan(x))
                           ^
../../../include/geos/geom/Coordinate.inl:77:21: note: in expansion of
macro ‘ISNAN’
   ((z == other.z)||(ISNAN(z) && ISNAN(other.z)));
                     ^
../../../include/geos/platform.h:90:27: note: suggested alternative:
 # define ISNAN(x) (isnan(x))
                           ^
../../../include/geos/geom/Coordinate.inl:77:21: note: in expansion of
macro ‘ISNAN’
   ((z == other.z)||(ISNAN(z) && ISNAN(other.z)));
                     ^
In file included from ../../../include/geos/geom/Coordinate.inl:22:0,
                 from ../../../include/geos/geom/Coordinate.h:158,
                 from ../../../include/geos/geom/Envelope.h:25,
                 from ../../../include/geos/geom/Geometry.h:27,
                 from IndexedPointInAreaLocator.cpp:17:
/usr/lib/gcc/x86_64-pc-cygwin/5.4.0/include/c++/cmath:862:5: note:
‘std::isnan’
     isnan(_Tp __f)
     ^
make[5]: *** [Makefile:483: IndexedPointInAreaLocator.lo] Error 1
make[5]: Leaving directory '/tmp/alt_geos/geos-3.5.0/src/algorithm/locate'
make[4]: *** [Makefile:502: all-recursive] Error 1
make[4]: Leaving directory '/tmp/alt_geos/geos-3.5.0/src/algorithm/locate'
make[3]: *** [Makefile:556: all-recursive] Error 1
make[3]: Leaving directory '/tmp/alt_geos/geos-3.5.0/src/algorithm'
make[2]: *** [Makefile:595: all-recursive] Error 1
make[2]: Leaving directory '/tmp/alt_geos/geos-3.5.0/src'
make[1]: *** [Makefile:469: all-recursive] Error 1
make[1]: Leaving directory '/tmp/alt_geos/geos-3.5.0'
make: *** [Makefile:416: all] Error 2
"""

I was trying a lot of google solutions but none of the worked.

Can you suggest any work around?

The libgeos github does not allow me to open an issue.

My ultimate goal is to use matplotlib Basemap.

Best regards,

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