Add autogen.sh file

diff --git a/autogen.sh b/autogen.sh
new file mode 100755 (executable)
index 0000000..2a4593e
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# This script creates (or regenerates) configure (as well as aclocal.m4,
+# config.h.in, Makefile.in, etc.) missing in the source repository.
+
+autoreconf -i
+
+echo
+echo "Ready to run './configure'."