--- pptpd-1.3.4.orig/plugins/Makefile	2006-08-03 04:02:01.000000000 +0200
+++ pptpd-1.3.4/plugins/Makefile	2010-06-03 14:39:12.120974815 +0200
@@ -1,6 +1,6 @@
-CC	= gcc
+CC	?= gcc
 COPTS	= -O2 -g
-CFLAGS	= $(COPTS) -I.. -I../../include -fPIC
+CFLAGS	?= $(COPTS) -I.. -I../../include -fPIC
 LDFLAGS	= -shared
 LDADD   = -lutil
 INSTALL	= install -o root
@@ -18,7 +18,7 @@ all:	$(PLUGINS)
 %.so: %.c
 	$(CC) -o $@ $(LDFLAGS) $(CFLAGS) $^ $(LDADD)
 
-LIBDIR	?= $(DESTDIR)$(prefix)/lib/pptpd
+LIBDIR	= $(DESTDIR)$(prefix)/lib/pptpd
 
 install: $(PLUGINS)
 	$(INSTALL) -d $(LIBDIR)