--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,8 @@
 dnl WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 dnl CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+AC_CONFIG_MACRO_DIR([share])
+
 AC_REVISION($Revision: 1.14 $ZT_VERSION $)
 
 AC_INIT
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,6 +18,9 @@
 ## CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 ## extra files
+
+ACLOCAL_AMFLAGS=-I share
+
 EXTRA_DIST = \
 BUILDING \
 LICENSE \
