--- src/libs/libpng-1.2.54/contrib/pngminim/preader/makefile.orig	2020-07-10 02:58:18.000000000 +1000
+++ src/libs/libpng-1.2.54/contrib/pngminim/preader/makefile	2020-08-21 16:26:42.592823000 +1000
@@ -17,7 +17,7 @@
 XLIB = -L/usr/X11R6/lib -lX11
 #XLIB = -L/usr/X11R6/lib64 -lX11	# e.g., Red Hat on AMD64
 
-#XINC = -I/usr/local/include   		# FreeBSD
+#XINC = -I/usr/local/include   		# FreeBSD & BSDSUniX
 #XLIB = -L/usr/local/lib -lX11
 
 #LIBS = $(XLIB)