support newer automake without warnings

d4b4ef8d · Michael Jerris · c19bb4d1 · d4b4ef8d
--- a/Makefile.am
+++ b/Makefile.am
 EXTRA_DIST =
 SUBDIRS = . src
-AUTOMAKE_OPTIONS = foreign
+AUTOMAKE_OPTIONS = foreign subdir-objects
 NAME = freeswitch

 AM_LIBAPR_CFLAGS := $(shell ./libs/apr/apr-1-config --cflags)