libgeos#650 isnan workaround OS detection missing NetBSD, DragonFly, …

…Sun nuance git-svn-id: http://svn.osgeo.org/geos/trunk@3902 5242fede-7e19-0410-aef8-94bd7d2200fb
GRSEB9S · Aug 21, 2013 · c49f3fe · c49f3fe
1 parent 78f752a
commit c49f3fe
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/include/geos/platform.h.in b/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