configure.ac: AM_INIT_AUTOMAKE: Use [subdir-objects]

This will allow using subdirs.

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/configure.ac b/configure.ac
index c2b0a1a571c3e0e11d8d62d016a36d08e84c5f62..b29e0411827818d1f515860e8e8399e2313df917 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ m4_define([libsubid_abi_micro], 0)
 m4_define([libsubid_abi], [libsubid_abi_major.libsubid_abi_minor.libsubid_abi_micro])
 AC_INIT([shadow], [4.14.0], [pkg-shadow-devel@lists.alioth.debian.org], [],
        [https://github.com/shadow-maint/shadow])
-AM_INIT_AUTOMAKE([1.11 foreign dist-xz])
+AM_INIT_AUTOMAKE([1.11 foreign dist-xz subdir-objects])
 AC_CONFIG_MACRO_DIRS([m4])
 AM_SILENT_RULES([yes])
 AC_CONFIG_HEADERS([config.h])