#!/bin/sh

# Slackware build script for dosemu

# Copyright 2007 Martin Lefebvre <dadexter@sekurity.com>
# 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.

# Safety and debugging first
set -e

PRGNAM=dosemu
VERSION=1.4.0
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# This script builds dosemu without X support by default. 
# To enable X, run the build script as:  WITH_X=yes ./dosemu.SlackBuild
WITH_X=${WITH_X:-no}

if [ ! -e $CWD/dosemu-freedos-1.0-bin.tgz ]; then
  echo "Please download dosemu-freedos-1.0-bin.tgz first from"
  echo "http://downloads.sourceforge.net/dosemu/dosemu-freedos-1.0-bin.tgz"
  echo "and place it in the same directory as the dosemu source."
  exit 1
fi

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar -xvf $CWD/$PRGNAM-$VERSION.tgz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod -R a-s,u+w,go+r-w .

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --with-x="$WITH_X" \
  --with-svgalib \
  --with-fdtarball=$CWD/dosemu-freedos-1.0-bin.tgz

make
make install DESTDIR=$PKG

( 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
)

if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    find . -type f -exec gzip -9 {} \;
    for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
  )
fi

mkdir -p $PKG/usr/doc
mv $PKG/usr/share/doc/dosemu $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
rmdir $PKG/usr/share/doc

( cd $PKG/etc
  mv dosemu.conf dosemu.conf.new
  mv dosemu.users dosemu.users.new
  mv global.conf global.conf.new
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz