--- Makefile	20 Sep 2002 07:24:50 -0000	1.1.1.4
+++ Makefile	20 Sep 2002 07:27:21 -0000	1.6
@@ -1,12 +1,12 @@
 ##################################################################
 # You can modify CC variable if you have compiler other than GCC
 # But the code was designed and tested with GCC
-CC = gcc
+CC ?= gcc
 
 ##################################################################
 # Compilation flags
 # You should comment the line below for AIX+native cc
-FLAGS = -Wall
+CFLAGS ?= -Wall
 
 ##################################################################
 # Libraries
@@ -37,7 +37,8 @@
 ##################################################################
 # Directories
 # Install dirs
-INSTALL_PREFIX = /usr/local
+PREFIX ?= /usr/local
+INSTALL_PREFIX = ${PREFIX}
 APG_BIN_DIR = /bin
 APG_MAN_DIR = /man/man1
 APGD_BIN_DIR = /sbin
@@ -88,13 +89,13 @@
 cygwin: standalone
 
 apg:
-	${CC} ${FLAGS} -D${CRYPTED_PASS} -D${USE_SHA} -o ${PROGNAME} ${SOURCES} ${LIBS} ${LIBM}
+	${CC} ${CFLAGS} -D${CRYPTED_PASS} -D${USE_SHA} -o ${PROGNAME} ${SOURCES} ${LIBS} ${LIBM}
 
 apgd:
-	${CC} ${FLAGS} -DCLISERV -D${USE_SHA} -o ${CS_PROGNAME} ${SOURCES} ${CS_LIBS} ${LIBM}
+	${CC} ${CFLAGS} -DCLISERV -D${USE_SHA} -o ${CS_PROGNAME} ${SOURCES} ${CS_LIBS} ${LIBM}
 
 apgbfm:
-	${CC} ${FLAGS} -o ${BFM_PROGNAME} ${BFM_SOURCES} ${LIBM}
+	${CC} ${CFLAGS} -o ${BFM_PROGNAME} ${BFM_SOURCES} ${LIBM}
 
 strip:
 	strip ${PROGNAME}