support newer automake without warnings

diff --git a/Makefile.am b/Makefile.am
index ff89b8b79d607a7293a995a04513673fa7e2d12d..6923b530dc7d119567c2a0083eecc338d97f5bb8 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 EXTRA_DIST =
 SUBDIRS = . src
-AUTOMAKE_OPTIONS = foreign
+AUTOMAKE_OPTIONS = foreign subdir-objects
 NAME = freeswitch
 
 AM_LIBAPR_CFLAGS := $(shell ./libs/apr/apr-1-config --cflags)