--- Makefile.am	2017-05-19 15:17:40.131425922 +0200
+++ Makefile.am.new	2017-05-19 15:17:34.131583469 +0200
@@ -6,7 +6,7 @@
 		       src/ipv4.h src/log.c src/log.h src/tunnel.c \
 		       src/tunnel.h src/main.c src/ssl.h src/xml.c \
 		       src/xml.h src/userinput.c src/userinput.h
-openfortivpn_CFLAGS = -Wall -Werror --pedantic -std=gnu99
+openfortivpn_CFLAGS = -Wall -Werror --pedantic -std=gnu99 -Wno-unused-function
 
 confdir=$(sysconfdir)/openfortivpn
 conf_DATA = etc/openfortivpn/config