$OpenBSD: patch-Makefile_in,v 1.4 2016/04/26 15:51:18 sthen Exp $

not very useful without tools, and the contrib Makefile has a gnu-ism

--- Makefile.in.orig	Mon Apr 25 14:16:18 2016
+++ Makefile.in	Tue Apr 26 14:55:50 2016
@@ -448,7 +448,7 @@ top_srcdir = @top_srcdir@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 SUBDIRS = lib third-party src examples python tests integration-tests \
-	doc contrib script
+	doc script
 
 
 # Now with python setuptools, make uninstall will leave many files we
