+# Uncomment to enable MS-CHAP
+#CFLAGS += -DUSE_CRYPT -DCHAPMS -DMSLANMAN -DHAVE_CRYPT_H
+#OBJS += chap_ms.o pppcrypt.o md4.o sha1.o
+
+# Uncomment for CBCP
+#CFLAGS += -DCBCP_SUPPORT
+#OBJS += cbcp.o
+
+# Uncomment for PAM
+#CFLAGS += -DUSE_PAM
+#LIBS += -lpam
+