diff --git a/Makefile.am b/Makefile.am
index 1ad5d72..a3b4c17 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,6 +2,8 @@ AUTOMAKE_OPTIONS=foreign subdir-objects
 
 SUBDIRS = include compat
 
+ACLOCAL_AMFLAGS = -I m4
+
 bin_PROGRAMS=bgpq4
 
 bgpq4_SOURCES=bgpq4.c bgpq4.h config.h bgpq4_printer.c bgpq_expander.c \
diff --git a/compat/Makefile.am b/compat/Makefile.am
index 4eb89b5..8697638 100644
--- a/compat/Makefile.am
+++ b/compat/Makefile.am
@@ -6,6 +6,8 @@ noinst_LTLIBRARIES = libcompat.la libcompatnoopt.la
 libcompatnoopt_la_CFLAGS = -O0
 libcompatnoopt_la_SOURCES =
 
+libcompat_la_SOURCES =
+
 if !HAVE_STRLCPY
 libcompat_la_SOURCES += strlcpy.c
 endif
diff --git a/configure.ac b/configure.ac
index bcb4e2f..7485d4a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,8 @@
 AC_INIT(bgpq4,0.0.7,job@sobornost.net)
 AM_INIT_AUTOMAKE
+
+AC_CONFIG_MACRO_DIR([m4])
+
 AC_PACKAGE_URL(https://github.com/bgp/bgpq4)
 AC_CONFIG_HEADERS([config.h])
 AM_SILENT_RULES([yes])
@@ -8,8 +11,12 @@ AC_PROG_CC
 CC=cc
 CFLAGS="${CFLAGS} -std=gnu11"
 
+AC_PROG_LIBTOOL
+
 AC_PROG_INSTALL
 
+AM_CONDITIONAL([HAVE_STRLCPY], [test "x$ac_cv_func_strlcpy" = xyes])
+
 AC_CHECK_HEADERS([sys/cdefs.h sys/queue.h sys/tree.h sys/select.h])
 
 AC_MSG_CHECKING([for STAILQ_ interface in queue.h])