# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1508630157 -10800
# Node ID 253a1fd1fc82320015ec199f7e95dc3507d99c59
# Parent  a35b392a40ce606c514438623ba1a544eed755c0
Use pkg-config for libpng.

diff -r a35b392a40ce -r 253a1fd1fc82 Makefile
--- a/Makefile	Sat Oct 21 11:47:00 2017 +0300
+++ b/Makefile	Sun Oct 22 02:55:57 2017 +0300
@@ -26,8 +26,9 @@
 # For Solaris you may need:
 #CFLAGS += -DHAVE_UINT_T
 
-LIBPNG_CFLAGS += -DHAVE_LIBPNG
-LIBPNG_LDFLAGS += -lpng
+LIBPNG_CFLAGS += -DHAVE_LIBPNG `pkg-config --cflags libpng`
+LIBPNG_LDFLAGS +=  `pkg-config --libs libpng`
+
 
 ###
 ### Unix targets