[geos-devel] 3.4.1, stray patch from pkgsrc

[Greg Troxel]

pkgsrc is carrying the following patch.  It strikes me that probably
there should be a configure-time feature test instead.

$NetBSD: patch-include-geos-platform.h.in,v 1.4 2012/03/12 09:46:06 fhajny Exp $

Fix isnan definition on NetBSD, DragonFly and SunOS platforms.
--- include/geos/platform.h.in.orig	2013-08-11 04:23:47.000000000 +0000
+++ include/geos/platform.h.in
@@ -91,11 +91,13 @@ extern "C"
 # elif defined(__MINGW32__) || defined(__CYGWIN__)
 // sandro furieri: sanitizing MinGW32
 #  define ISNAN(x) (std::isnan(x))
-# elif defined(__OSX__) || defined(__APPLE__)
+# elif defined(__OSX__) || defined(__APPLE__) || \
+       defined(__NetBSD__) || defined(__DragonFly__) ||	\
+       (defined(__sun) && defined(__GNUC__))
    // 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__)
+# elif (defined(__sun) || defined(__sun__)) && defined(__SUNPRO_CC)
 #  include <math.h>
 #  define ISNAN(x) (::isnan(x))
 # endif

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