--- picocom-2.1.orig/Makefile	2015-10-15 23:25:02.000000000 +0200
+++ picocom-2.1/Makefile	2016-09-23 15:45:44.240688077 +0200
@@ -1,12 +1,12 @@
 
 VERSION = 2.1
 
-#CC = gcc
+CC ?= gcc
 CPPFLAGS = -DVERSION_STR=\"$(VERSION)\"
-CFLAGS = -Wall -g
+CFLAGS ?= -Wall -g
 
 LD = $(CC)
-LDFLAGS = -g
+LDFLAGS ?= -g
 LDLIBS =
 
 all: picocom