#!/bin/sh

# Copyright 2005-2009  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.

VERSION=1.0.5
SOLIB=1.0.4
ARCH=${ARCH:-x86_64}
BUILD=${BUILD:-1_slamd64}

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-bzip2-compat32

CC="gcc -m32"
LIBDIRSUFFIX=""

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

cd $TMP
rm -rf bzip2-$VERSION
tar xzvf $CWD/bzip2-$VERSION.tar.gz
cd bzip2-$VERSION
chown -R root:root .
# This should be ok, since libbz2.so.1.0 will still exist.
zcat $CWD/bzip2-1.0.4.saneso.diff.gz | patch -p1 || exit
make CC="$CC" -f Makefile-libbz2_so || exit 1
make CC="$CC" || exit 1
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}
cp -a libbz2.a $PKG/usr/lib${LIBDIRSUFFIX}/libbz2.a
mkdir -p $PKG/lib${LIBDIRSUFFIX}
cp -a libbz2.so.$SOLIB $PKG/lib${LIBDIRSUFFIX}/libbz2.so.$SOLIB
chmod 644 $PKG/usr/lib${LIBDIRSUFFIX}/libbz2.a
chmod 755 $PKG/lib${LIBDIRSUFFIX}/libbz2.so.$SOLIB
mkdir -p $PKG/usr/doc/bzip2-$VERSION
cp -a LICENSE $PKG/usr/doc/bzip2-$VERSION
chmod 644 $PKG/usr/doc/bzip2-$VERSION/*
# Link up them links
( cd $PKG
  ( cd lib${LIBDIRSUFFIX}
    rm -f libbz2.so.1.0 libbz2.so.1
    ln -sf libbz2.so.$SOLIB libbz2.so.1.0
    ln -sf libbz2.so.1.0 libbz2.so.1
  )
  ( cd usr/lib${LIBDIRSUFFIX}
    ln -sf ../../lib${LIBDIRSUFFIX}/libbz2.so.1 libbz2.so
  )
)
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
chmod 755 $PKG/bin/* $PKG/usr/bin/*
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -l y -c n $TMP/bzip2-compat32-$VERSION-$ARCH-$BUILD.txz

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/bzip2-$VERSION
  rm -rf $PKG
fi