diff --git a/autogen.sh b/autogen.sh
index 14faf83f..57eeb940 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,8 @@
 #!/bin/sh
+if [ -x "`which autoreconf 2>/dev/null`" ] ; then
+   exec autoreconf -ivf
+fi
+
 LIBTOOLIZE=libtoolize
 SYSNAME=`uname`
 if [ "x$SYSNAME" = "xDarwin" ] ; then