#define isnan _isnan for MSVC and Mingwin.

diff --git a/simgear/compiler.h b/simgear/compiler.h
index 824c9024cf2d9187fafbcc49c1a36e78111b1027..52cf339533d5703bfe563917f8995145eb079ee9 100644 (file)
--- a/simgear/compiler.h
+++ b/simgear/compiler.h
@@ -152,6 +152,7 @@
 #if defined( __MINGW32__ )
 #  define bcopy(from, to, n) memcpy(to, from, n)
 #  define FG_MEM_COPY(to,from,n) memcpy(to, from, n)
+#  define isnan _isnan
 #  define snprintf _snprintf
 #endif
 
@@ -235,6 +236,7 @@
 #    define STL_STRING     <string>
 #    define STL_STRSTREAM  <strstream>
 
+#    define isnan _isnan
 #    define snprintf _snprintf
 
 #    pragma warning(disable: 4786) // identifier was truncated to '255' characters