diff -urN a/pico/configure.in b/pico/configure.in
--- a/pico/configure.in	2015-01-21 18:59:39.604452795 +0100
+++ b/pico/configure.in	2015-01-21 19:00:53.288777298 +0100
@@ -4,7 +4,7 @@
 
 AC_INIT([svox], [1.0], [math.parent@gmail.com])
 
-AM_INIT_AUTOMAKE([1.9 foreign])
+AM_INIT_AUTOMAKE([1.9 foreign subdir-objects])
 
 AC_PROG_CC
 LT_INIT