build-system: enable automake subdir-objects

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/configure.ac b/configure.ac
index 0669f0ab5eb1a4a086a01b3d77ca3c12a132a2cb..046a0679d82fabf5ad8cf8a2be774a8b967e1273 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_PREREQ(2.60)
 
 AC_CONFIG_AUX_DIR(config)
 AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([-Wall foreign 1.10 tar-pax dist-bzip2 no-dist-gzip dist-xz -Wno-portability])
+AM_INIT_AUTOMAKE([-Wall foreign 1.10 tar-pax dist-bzip2 no-dist-gzip dist-xz -Wno-portability subdir-objects])
 
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
                            [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])