make sure WIN32 sections do NOT kick in for cygwin compiles

[rrdtool.git] / src / rrd_nan_inf.c

diff --git a/src/rrd_nan_inf.c b/src/rrd_nan_inf.c
index ce0873e..f40555d 100644 (file)
--- a/src/rrd_nan_inf.c
+++ b/src/rrd_nan_inf.c
@@ -1,6 +1,6 @@
 #include "rrd_nan_inf.h"
 
-#if defined(WIN32)
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
 
 #include <math.h>