1 files changed, 7 insertions, 0 deletions

diff --git a/src/FbTk/FbWindow.hh b/src/FbTk/FbWindow.hh
index e03083c..9d335fa 100644
--- a/src/FbTk/FbWindow.hh
+++ b/src/FbTk/FbWindow.hh
@@ -28,6 +28,12 @@
 #include <string>
 #include <set>
 
+#ifdef HAVE_CMATH
+  #include <cmath>
+#else
+  #include <math.h>
+#endif
+
 namespace FbTk {
 
 class Color;
@@ -259,6 +265,7 @@ public:
 };
 
 
+
 } // end namespace FbTk
 
 #endif // FBTK_FBWINDOW_HH