X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Frrd_nan_inf.c;h=22886c4b9085d5fe5a0b3fa9d3392f87a7e40e97;hb=0a82736faf62f1667434aee71e51d876d20c6ced;hp=9fc3b616ff010d8d86b2c15b19f71f674c68cb4a;hpb=334f12e572cba1d189fba8ac28fbeceb9ae306d2;p=rrdtool.git

diff --git a/src/rrd_nan_inf.c b/src/rrd_nan_inf.c
index 9fc3b61..22886c4 100644
--- a/src/rrd_nan_inf.c
+++ b/src/rrd_nan_inf.c
@@ -1,6 +1,8 @@
 #include "rrd_nan_inf.h"
 
-#if defined(WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+
+#include <math.h>
 
 double set_to_DNAN(void) { return (double)fmod(0.0,0.0); }
 double set_to_DINF(void) { return (double)fabs((double)log(0.0)); }