--- Makefile.orig	2006-09-03 18:00:00 UTC
+++ Makefile
@@ -1,12 +1,12 @@
-CFLAGS = -Wall -W -O2
-LDFLAGS = -s
+CFLAGS ?= -Wall -W -O2
+LDFLAGS ?= -s
 
-CC = gcc
-INSTALL = install
-INSTALL_DATA = $(INSTALL) -m 444
-INSTALL_PROGRAM = $(INSTALL) -m 555
+CC ?= gcc
+INSTALL ?= install
+INSTALL_DATA ?= $(INSTALL) -m 444
+INSTALL_PROGRAM ?= $(INSTALL) -m 555
 
-prefix = /usr/local
+prefix = ${PREFIX}
 exec_prefix = $(prefix)
 bindir = $(exec_prefix)/bin
 mandir = $(prefix)/share/man
@@ -23,7 +23,7 @@ base91: cli.o base91.o
 	$(CC) $(CFLAGS) -c $<
 
 base91: cli.o base91.o
-	$(CC) $(LDFLAGS) -o $@ $^
+	$(CC) $(LDFLAGS) -o $@ cli.o base91.o
 
 install: all
 	mkdir -p $(DESTDIR)$(bindir)