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Re: building libgeos [solved]
- From: Felipe Vieira <fmv1992 at gmail dot com>
- To: cygwin at cygwin dot com
- Date: Tue, 23 Aug 2016 09:54:02 -0300
- Subject: Re: building libgeos [solved]
- Authentication-results: sourceware.org; auth=none
Hey guys,
after a couple more trials was able to solve the issue. I am not sure
exactly what was the problem but I'll be reporting the full
workaround.
Neither I am certain that the libgeos shipped with cygwin has an
issue; it looks like it was a matplotlib basemap issue instead.
Anyways here is the full process to get matplotlib basemap on cygwin:
1) <<Do not>> git clone https://github.com/matplotlib/basemap .
Instead use their releases page:
https://github.com/matplotlib/basemap/releases . Follow the procedure
indicated in their github home page.
2) After the "> ./configure --prefix=$GEOS_DIR" but before the " >
make; make install" edit the file include/geos/platform.h on line 87
from:
'''
#if defined(HAVE_ISNAN)
# define ISNAN(x) (isnan(x))
#else
# if defined(_MSC_VER)
# define ISNAN(x) _isnan(x)
# elif defined(__MINGW32__)
// sandro furieri: sanitizing MinGW32
# define ISNAN(x) (std::isnan(x))
# elif defined(__OSX__) || defined(__APPLE__)
// Hack for OS/X <cmath> incorrectly re-defining isnan() into oblivion.
// It does leave a version in std.
# define ISNAN(x) (std::isnan(x))
# elif defined(__sun) || defined(__sun__)
# include <math.h>
# define ISNAN(x) (::isnan(x))
# endif
#endif
'''
to
'''
# define ISNAN(x) (std::isnan(x))
# include <math.h>
# include <cmath>
'''
now proceed to the " > make; make install" and continue the procedure
as informed.
Thanks for all the help!
Best regards,
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