#!/bin/bash -e

#

# Copyright (c) 2018, 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.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# 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.

#

# Create a bundle in the current directory, containing what's needed to run

# the 'autoconf' program by the OpenJDK build.

# Autoconf depends on m4, so download and build that first.

AUTOCONF_VERSION=2.69

M4_VERSION=1.4.18

PACKAGE_VERSION=1.0.1

TARGET_PLATFORM=linux_x86

MODULE_NAME=autoconf-$TARGET_PLATFORM-$AUTOCONF_VERSION+$PACKAGE_VERSION

BUNDLE_NAME=$MODULE_NAME.tar.gz

TMPDIR=`mktemp -d -t autoconfbundle-XXXX`

trap "rm -rf \"$TMPDIR\"" EXIT

ORIG_DIR=`pwd`

cd $TMPDIR

OUTPUT_DIR=$TMPDIR/$MODULE_NAME

mkdir -p $OUTPUT_DIR/usr

# Download and build m4

if test "x$TARGET_PLATFORM" = xcygwin_x64; then

  # On cygwin 64-bit, just copy the cygwin .exe file

  mkdir -p $OUTPUT_DIR/usr/bin

  cp /usr/bin/m4 $OUTPUT_DIR/usr/bin

elif test "x$TARGET_PLATFORM" = xcygwin_x86; then

  # On cygwin 32-bit, just copy the cygwin .exe file

  mkdir -p $OUTPUT_DIR/usr/bin

  cp /usr/bin/m4 $OUTPUT_DIR/usr/bin

elif test "x$TARGET_PLATFORM" = xlinux_x64; then

  M4_VERSION=1.4.13-5

  wget http://yum.oracle.com/repo/OracleLinux/OL6/latest/x86_64/getPackage/m4-$M4_VERSION.el6.x86_64.rpm

  cd $OUTPUT_DIR

  rpm2cpio ../m4-$M4_VERSION.el6.x86_64.rpm | cpio -d -i

elif test "x$TARGET_PLATFORM" = xlinux_x86; then

  M4_VERSION=1.4.13-5

  wget http://yum.oracle.com/repo/OracleLinux/OL6/latest/i386/getPackage/m4-$M4_VERSION.el6.i686.rpm

  cd $OUTPUT_DIR

  rpm2cpio ../m4-$M4_VERSION.el6.i686.rpm | cpio -d -i

else

  wget https://ftp.gnu.org/gnu/m4/m4-$M4_VERSION.tar.gz

  tar xzf m4-$M4_VERSION.tar.gz

  cd m4-$M4_VERSION

  ./configure --prefix=$OUTPUT_DIR/usr

  make

  make install

  cd ..

fi

# Download and build autoconf

wget https://ftp.gnu.org/gnu/autoconf/autoconf-$AUTOCONF_VERSION.tar.gz

tar xzf autoconf-$AUTOCONF_VERSION.tar.gz

cd autoconf-$AUTOCONF_VERSION

./configure --prefix=$OUTPUT_DIR/usr M4=$OUTPUT_DIR/usr/bin/m4

make

make install

cd ..

perl -pi -e "s!$OUTPUT_DIR/!./!" $OUTPUT_DIR/usr/bin/auto* $OUTPUT_DIR/usr/share/autoconf/autom4te.cfg

cp $OUTPUT_DIR/usr/share/autoconf/autom4te.cfg $OUTPUT_DIR/autom4te.cfg

cat > $OUTPUT_DIR/autoconf << EOF

#!/bin/bash

# Get an absolute path to this script

this_script_dir=\`dirname \$0\`

this_script_dir=\`cd \$this_script_dir > /dev/null && pwd\`

export M4="\$this_script_dir/usr/bin/m4"

export AUTOM4TE="\$this_script_dir/usr/bin/autom4te"

export AUTOCONF="\$this_script_dir/usr/bin/autoconf"

export AUTOHEADER="\$this_script_dir/usr/bin/autoheader"

export AC_MACRODIR="\$this_script_dir/usr/share/autoconf"

export autom4te_perllibdir="\$this_script_dir/usr/share/autoconf"

autom4te_cfg=\$this_script_dir/usr/share/autoconf/autom4te.cfg

cp \$this_script_dir/autom4te.cfg \$autom4te_cfg

echo 'begin-language: "M4sugar"' >> \$autom4te_cfg

echo "args: --prepend-include '"\$this_script_dir/usr/share/autoconf"'" >> \$autom4te_cfg

echo 'end-language: "M4sugar"' >> \$autom4te_cfg

exec \$this_script_dir/usr/bin/autoconf "\$@"

EOF

chmod +x $OUTPUT_DIR/autoconf

cd $OUTPUT_DIR

tar -cvzf ../$BUNDLE_NAME *

cd ..

cp $BUNDLE_NAME "$ORIG_DIR"