$FreeBSD$
--- Makefile	Wed Oct 30 13:24:34 2002
+++ Makefile.port	Sat Feb  4 21:43:23 2006
@@ -1,14 +1,17 @@
-BINPATH = /usr/local/bin
+BINPATH?= /usr/local/bin
+LIBPATH?= /usr/local/lib
+INCPATH?= /usr/local/include
 
-CC = gcc -O2 -DGIF
-LIB = -lm -lz -lungif -lpng
+CC = gcc
+CFLAGS+= -DGIF ${INCPATH}
+LIB = -lm -lz ${LIBPATH} -lungif -lpng
 OBJ = eqn2img.o
 
 all:		${OBJ}
-		${CC} -o eqn2img ${LIB} ${OBJ}
+		${CC} ${CFLAGS} -o eqn2img ${LIB} ${OBJ}
 
 eqn2img.o:	eqn2img.c
-		${CC} -c eqn2img.c
+		${CC} ${CFLAGS} -c eqn2img.c
 
 install:	all
 		install -m 755 -s eqn2img ${BINPATH}