--- ray/src/common/color.c	2003/07/27 22:12:01	2.13
+++ ray/src/common/color.c	2004/09/14 02:53:50	2.15
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: color.c,v 2.13 2003/07/27 22:12:01 schorsch Exp $";
+static const char	RCSid[] = "$Id: color.c,v 2.15 2004/09/14 02:53:50 greg Exp $";
 #endif
 /*
  *  color.c - routines for color calculations.
@@ -16,6 +16,13 @@ static const char	RCSid[] = "$Id: color.c,v 2.13 2003/
 #include  <math.h>
 
 #include  "color.h"
+
+#ifdef getc_unlocked		/* avoid horrendous overhead of flockfile */
+#undef getc
+#undef putc
+#define getc    getc_unlocked
+#define putc    putc_unlocked
+#endif
 
 #define  MINELEN	8	/* minimum scanline length for encoding */
 #define  MAXELEN	0x7fff	/* maximum scanline length for encoding */