--- autogen.sh.orig	2009-11-20 14:14:02.000000000 -0600
+++ autogen.sh	2015-10-29 18:40:58.000000000 -0500
@@ -15,7 +15,12 @@
 	chmod 755 ${i}
 done
 
-libtoolize --force --copy
+if [ "$(uname -s)" == "Darwin" ]; then
+  LIBTOOLIZE=glibtoolize
+else 
+  LIBTOOLIZE=libtoolize
+fi
+$LIBTOOLIZE --force --copy
 aclocal
 autoheader
 automake --verbose --force --copy --add-missing