I think this patch is required for "make check":
diff --git a/Makefile.am b/Makefile.am
index e5ca43c..258cebe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,7 +15,7 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I m4 -I gnulib/m4
SUBDIRS = gnulib/lib src daemon appliance fish po examples images \
gnulib/tests capitests regressions test-tool
I'll push it tomorrow morning, once I've confirmed.