diff -r 000000000000 -r 75a576e87639 common/autoconf/autogen.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/autoconf/autogen.sh	Wed Apr 27 01:39:08 2016 +0800
@@ -0,0 +1,69 @@
+#!/bin/bash
+#
+# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+script_dir=`dirname $0`
+
+# Create a timestamp as seconds since epoch
+if test "x`uname -s`" = "xSunOS"; then
+  TIMESTAMP=`date +%s`
+  if test "x$TIMESTAMP" = "x%s"; then
+    # date +%s not available on this Solaris, use workaround from nawk(1):
+    TIMESTAMP=`nawk 'BEGIN{print srand()}'`
+  fi
+else
+  TIMESTAMP=`date +%s`
+fi
+
+if test "x$CUSTOM_CONFIG_DIR" = "x"; then
+  custom_script_dir="$script_dir/../../jdk/make/closed/autoconf"
+else
+  custom_script_dir=$CUSTOM_CONFIG_DIR
+fi
+
+custom_hook=$custom_script_dir/custom-hook.m4
+
+AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"
+
+echo "Autoconf found: ${AUTOCONF}"
+
+if test "x${AUTOCONF}" = x; then
+  echo You need autoconf installed to be able to regenerate the configure script
+  echo Error: Cannot find autoconf 1>&2
+  exit 1
+fi
+
+echo Generating generated-configure.sh with ${AUTOCONF}
+cat $script_dir/configure.ac  | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | ${AUTOCONF} -W all -I$script_dir - > $script_dir/generated-configure.sh
+rm -rf autom4te.cache
+
+if test -e $custom_hook; then
+  echo Generating custom generated-configure.sh
+  # We have custom sources available; also generate configure script
+  # with custom hooks compiled in.
+  cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
+      sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|" | ${AUTOCONF} -W all -I$script_dir - > $custom_script_dir/generated-configure.sh
+  rm -rf autom4te.cache
+else
+  echo No custom hook found:  $custom_hook
+fi