Enable subdir-objects for automake-1.14

Fixes warnings about source files in subdirectories, without having
this option enabled.

diff --git a/configure.ac b/configure.ac
index 4d79cc796d82848e6332a4971a450d66df2ae0a6..82d2d36779983311163d167c1f8d183d26bbb50e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ AC_INIT([pdns], [git])
 dnl AC_SUBST([DIST_HOST], [TO_BE_PATCHED])
 dnl End patch area.
 AC_CONFIG_SRCDIR([pdns/receiver.cc])
-AM_INIT_AUTOMAKE([foreign tar-ustar -Wno-portability])
+AM_INIT_AUTOMAKE([foreign tar-ustar -Wno-portability subdir-objects])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 AC_CANONICAL_HOST
 LT_INIT