--- gregbook/Makefile.unx.orig	2004-11-03 06:49:34 +0300
+++ gregbook/Makefile.unx	2004-11-04 18:10:11 +0300
@@ -23,17 +23,18 @@
 
 # macros --------------------------------------------------------------------
 
-PNGINC = -I/usr/local/include/libpng12
-#PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng
-PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng
+PNGINC = -I/usr/include/libpng12
+PNGLIB = -lpng12 # dynamically linked against libpng
+#PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng
 # or:
 #PNGINC = -I../libpng
 #PNGLIB = -L../libpng -lpng
 #PNGLIB = ../libpng/libpng.a
 
-ZINC = -I/usr/local/include
+ZINC = 
+ZLIB = 
 #ZLIB = -L/usr/local/lib -lz		# dynamically linked against zlib
-ZLIB = /usr/local/lib/libz.a		# statically linked against zlib
+#ZLIB = /usr/local/lib/libz.a		# statically linked against zlib
 #ZINC = -I../zlib
 #ZLIB = -L../zlib -lz
 #ZLIB = ../zlib/libz.a