autogen.sh revision 837:174a54ce39c4 
1#!/bin/bash
2#
3# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
4# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5#
6# This code is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License version 2 only, as
8# published by the Free Software Foundation.
9#
10# This code is distributed in the hope that it will be useful, but WITHOUT
11# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13# version 2 for more details (a copy is included in the LICENSE file that
14# accompanied this code).
15#
16# You should have received a copy of the GNU General Public License version
17# 2 along with this work; if not, write to the Free Software Foundation,
18# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19#
20# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21# or visit www.oracle.com if you need additional information or have any
22# questions.
23#
24
25script_dir=`dirname $0`
26
27# Create a timestamp as seconds since epoch
28if test "x`uname -s`" = "xSunOS"; then
29  TIMESTAMP=`date +%s`
30  if test "x$TIMESTAMP" = "x%s"; then
31    # date +%s not available on this Solaris, use workaround from nawk(1):
32    TIMESTAMP=`nawk 'BEGIN{print srand()}'`
33  fi
34else
35  TIMESTAMP=`date +%s`
36fi
37
38if test "x$CUSTOM_CONFIG_DIR" = "x"; then
39  custom_script_dir="$script_dir/../../jdk/make/closed/autoconf"
40else
41  custom_script_dir=$CUSTOM_CONFIG_DIR
42fi
43
44custom_hook=$custom_script_dir/custom-hook.m4
45
46AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"
47
48echo "Autoconf found: ${AUTOCONF}"
49
50if test "x${AUTOCONF}" = x; then
51  echo You need autoconf installed to be able to regenerate the configure script
52  echo Error: Cannot find autoconf 1>&2
53  exit 1
54fi
55
56echo Generating generated-configure.sh with ${AUTOCONF}
57cat $script_dir/configure.ac  | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | ${AUTOCONF} -W all -I$script_dir - > $script_dir/generated-configure.sh
58rm -rf autom4te.cache
59
60if test -e $custom_hook; then
61  echo Generating custom generated-configure.sh
62  # We have custom sources available; also generate configure script
63  # with custom hooks compiled in.
64  cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
65      sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|" | ${AUTOCONF} -W all -I$script_dir - > $custom_script_dir/generated-configure.sh
66  rm -rf autom4te.cache
67else
68  echo No custom hook found:  $custom_hook
69fi
70