$OpenBSD: patch-src_Makefile_in,v 1.2 2006/10/20 11:48:06 ajacoutot Exp $
--- src/Makefile.in.orig	Mon Sep 18 10:42:17 2006
+++ src/Makefile.in	Mon Sep 18 10:42:30 2006
@@ -480,7 +480,7 @@ PISYNC_AGE = @PISYNC_AGE@
 PISYNC_CURRENT = @PISYNC_CURRENT@
 PISYNC_REVISION = @PISYNC_REVISION@
 PNG_CFLAGS = @PNG_CFLAGS@
-PNG_LIBS = @PNG_LIBS@
+PNG_LIBS = @PNG_LIBS@ -lz -lm
 POPT_INCLUDES = @POPT_INCLUDES@
 POPT_LIBS = @POPT_LIBS@
 PTHREAD_CC = @PTHREAD_CC@