--- picocom-1.4.orig/Makefile	2004-08-13 13:18:38.000000000 +0200
+++ picocom-1.4/Makefile	2011-01-21 21:02:02.096749132 +0100
@@ -2,11 +2,12 @@
 VERSION=1.4
 
 # CC = gcc
-CPPFLAGS=-DVERSION_STR=\"$(VERSION)\" -DUUCP_LOCK_DIR=\"/var/lock\"
-CFLAGS = -Wall -g
+CPPFLAGS ?=
+CPPFLAGS += -DVERSION_STR=\"$(VERSION)\" -DUUCP_LOCK_DIR=\"/var/lock\"
+CFLAGS ?= -Wall -g
 
 # LD = gcc
-LDFLAGS = -g
+LDFLAGS ?= -g
 LDLIBS =
 
 picocom : picocom.o term.o