--- /dev/null
+--- stag/Makefile 2016-08-31 15:10:57.847902802 +0200
++++ Makefile 2016-08-31 15:09:34.507902834 +0200
+@@ -1,5 +1,5 @@
+ CC ?= gcc
+-CFLAGS=-Wall -Werror -Wextra -std=c99 -pedantic -Wno-unused-parameter
++CFLAGS+=-Wall -Werror -Wextra -std=c99 -pedantic -Wno-unused-parameter
+ # D_BSD_SOURCE for strsep
+ LIBS=-lncurses -lm -D_DEFAULT_SOURCE
+ PREFIX ?= /usr/local