--- src/PlotPie.cc.orig	2007-11-28 00:36:32.000000000 +0300
+++ src/PlotPie.cc	2009-09-06 02:22:56.000000000 +0400
@@ -7,6 +7,11 @@
 
 #include "colors.h"
 
+#ifdef __NetBSD__
+#define fmin(a,b) ((a)<(b)?(a):(b))
+#define fmax(a,b) ((a)>(b)?(a):(b))
+#endif
+
 using namespace std;
 
 //! general pie Plot class
