#!/bin/bash+
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#+
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# Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#+
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+
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generate_configure_script() {+
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  # First create a header+
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  cat > $1 << EOT+
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#!/bin/bash+
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#+
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# ##########################################################+
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# ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ###+
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# ##########################################################+
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#+
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EOT+
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  # Then replace "magic" variables in configure.ac and append the output+
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  # from autoconf. $2 is either cat (just a no-op) or a filter.+
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  cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \+
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      eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1+
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  rm -rf autom4te.cache+
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}+
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+
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script_dir=`dirname $0`+
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+
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# Create a timestamp as seconds since epoch+
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if test "x`uname -s`" = "xSunOS"; then+
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  TIMESTAMP=`date +%s`+
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  if test "x$TIMESTAMP" = "x%s"; then+
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    # date +%s not available on this Solaris, use workaround from nawk(1):+
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    TIMESTAMP=`nawk 'BEGIN{print srand()}'`+
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  fi+
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else+
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  TIMESTAMP=`date +%s`+
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fi+
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+
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if test "x$CUSTOM_CONFIG_DIR" = "x"; then+
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  topdir=`cd $script_dir/../..  >/dev/null && pwd`+
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  custom_script_dir="$topdir/closed/autoconf"+
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else+
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  custom_script_dir=$CUSTOM_CONFIG_DIR+
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fi+
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+
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custom_hook=$custom_script_dir/custom-hook.m4+
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+
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AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"+
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+
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if test "x${AUTOCONF}" = x; then+
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  echo "You need autoconf installed to be able to regenerate the configure script"+
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  echo "Error: Cannot find autoconf" 1>&2+
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  exit 1+
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fi+
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+
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autoconf_version=`$AUTOCONF --version | head -1`+
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echo "Using autoconf at ${AUTOCONF} [$autoconf_version]"+
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+
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echo "Generating generated-configure.sh"+
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generate_configure_script "$script_dir/generated-configure.sh" 'cat'+
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+
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if test -e $custom_hook; then+
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  # We have custom sources available; also generate configure script+
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  # with custom hooks compiled in.+
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  echo "Generating custom generated-configure.sh"+
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  generate_configure_script "$custom_script_dir/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"'+
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else+
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  echo "(No custom hook found at $custom_hook)"+
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fi+
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