Mon, 15 Oct 2018 15:33:48 +0100
Merge
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 #
25 generate_configure_script() {
26 # First create a header
27 cat > $1 << EOT
28 #!/bin/bash
29 #
30 # ##########################################################
31 # ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ###
32 # ##########################################################
33 #
34 EOT
35 # Then replace "magic" variables in configure.ac and append the output
36 # from autoconf. $2 is either cat (just a no-op) or a filter.
37 cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
38 eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1
39 rm -rf autom4te.cache
40 }
42 script_dir=`dirname $0`
44 # Create a timestamp as seconds since epoch
45 if test "x`uname -s`" = "xSunOS"; then
46 TIMESTAMP=`date +%s`
47 if test "x$TIMESTAMP" = "x%s"; then
48 # date +%s not available on this Solaris, use workaround from nawk(1):
49 TIMESTAMP=`nawk 'BEGIN{print srand()}'`
50 fi
51 else
52 TIMESTAMP=`date +%s`
53 fi
55 if test "x$CUSTOM_CONFIG_DIR" = "x"; then
56 topdir=`cd $script_dir/../.. >/dev/null && pwd`
57 custom_script_dir="$topdir/jdk/make/closed/autoconf"
58 else
59 custom_script_dir=$CUSTOM_CONFIG_DIR
60 fi
62 custom_hook=$custom_script_dir/custom-hook.m4
64 AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`"
66 if test "x${AUTOCONF}" = x; then
67 echo "You need autoconf installed to be able to regenerate the configure script"
68 echo "Error: Cannot find autoconf" 1>&2
69 exit 1
70 fi
72 autoconf_version=`$AUTOCONF --version | head -1`
73 echo "Using autoconf at ${AUTOCONF} [$autoconf_version]"
75 echo "Generating generated-configure.sh"
76 generate_configure_script "$script_dir/generated-configure.sh" 'cat'
78 if test -e $custom_hook; then
79 # We have custom sources available; also generate configure script
80 # with custom hooks compiled in.
81 echo "Generating custom generated-configure.sh"
82 generate_configure_script "$custom_script_dir/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"'
83 else
84 echo "(No custom hook found at $custom_hook)"
85 fi