diff --git a/mail/evolution/patches/patch-m4_intltool_m4 b/mail/evolution/patches/patch-m4_intltool_m4
new file mode 100644
index 00000000000..3f128d09c21
--- /dev/null
+++ b/mail/evolution/patches/patch-m4_intltool_m4
@@ -0,0 +1,25 @@
+$OpenBSD: patch-m4_intltool_m4,v 1.1 2012/09/10 17:31:21 ajacoutot Exp $
+
+Fix DATADIRNAME: see LOCALBASE/share/aclocal/{glib-gettext.m4,intltool.m4}
+
+--- m4/intltool.m4.orig	Mon Aug 13 02:34:02 2012
++++ m4/intltool.m4	Mon Sep 10 18:40:36 2012
+@@ -155,6 +155,8 @@ fi
+ # Substitute ALL_LINGUAS so we can use it in po/Makefile
+ AC_SUBST(ALL_LINGUAS)
+ 
++AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
++
+ # Set DATADIRNAME correctly if it is not set yet
+ # (copied from glib-gettext.m4)
+ if test -z "$DATADIRNAME"; then
+@@ -172,6 +174,9 @@ if test -z "$DATADIRNAME"; then
+     dnl in this case.
+     AC_CHECK_FUNC(bind_textdomain_codeset,
+       [DATADIRNAME=share], [DATADIRNAME=lib])
++    ;;
++    *-*-openbsd*)
++    [DATADIRNAME=share]
+     ;;
+     *)
+     [DATADIRNAME=lib]