#!/bin/sh

# Copyright 2005-2016  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


PKGNAM=autoconf
VERSION=2.13
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:-" -j7 "}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-autoconf

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf autoconf-$VERSION
tar xvf $CWD/autoconf-$VERSION.tar.xz || exit 1
cd autoconf-$VERSION

zcat $CWD/autoconf-2.13-consolidated_fixes-1.patch.gz | patch -p1 --verbose || exit 1

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

# Build a temporary copy of autoconf-2.13 only to be used to compile
# Firefox, since it somewhat inexplicably requires this ancient version:

rm -rf $TMP/autoconf-tmp
mkdir -p $TMP/autoconf-tmp
# This will be at the beginning of the $PATH, so protect against nonsense
# happening in /tmp:
chmod 700 $TMP/autoconf-tmp
rm -rf $TMP/autoconf-tmp/*
mkdir -p $TMP/autoconf-tmp/usr

./configure \
  --prefix=$TMP/autoconf-tmp/usr \
  --program-suffix=-2.13 \
  --infodir=$TMP/autoconf-tmp/usr/info \
  --mandir=$TMP/autoconf-tmp/usr/man \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1
make install || exit 1