#!/bin/sh

# Copyright 2008, 2009, 2010, 2011, 2013, 2015  Patrick J. Volkerding, Sebeka, MN, 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.


VERGNUCHESS=6.2.2
VERSJENG=11.2
VEREBOARD=1.1.1
VERXBOARD=4.8.0
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

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

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

### gnuchess
cd $TMP
rm -rf gnuchess-$VERGNUCHESS
tar xvf $CWD/gnuchess-$VERGNUCHESS.tar.?z* || exit 1
cd gnuchess-$VERGNUCHESS || 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 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --build=$ARCH-slackware-linux
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/doc/gnuchess-$VERGNUCHESS
cp -a \
  AUTHORS COPYING* INSTALL NEWS README TODO \
  $PKG/usr/doc/gnuchess-$VERGNUCHESS

### Sjeng
cd $TMP
rm -rf Sjeng-Free-$VERSJENG
tar xvf $CWD/Sjeng-Free-$VERSJENG.tar.bz2 || exit 1
cd Sjeng-Free-$VERSJENG || 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 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --build=$ARCH-slackware-linux
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/doc/Sjeng-Free-$VERSJENG
cp -a \
  AUTHORS BUGS COPYING* NEWS README* THANKS TODO \
  $PKG/usr/doc/Sjeng-Free-$VERSJENG

### eboard
cd $TMP
rm -rf eboard-$VEREBOARD
tar xvf $CWD/eboard-$VEREBOARD.tar.bz2 || exit 1
cd eboard-$VEREBOARD || exit 1
zcat $CWD/eboard.assert.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/eboard.ldl.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/eboard.png16.diff.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 {} \;

./configure \
  --prefix=/usr \
  --extra-flags=$(echo $SLKCFLAGS | sed -e "y/ /:/") \
  --build=$ARCH-slackware-linux
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/doc/eboard-$VEREBOARD
cp -a \
  AUTHORS COPYING* README* TODO Documentation/*.txt \
  $PKG/usr/doc/eboard-$VEREBOARD

### XBoard
cd $TMP
rm -rf xboard-$VERXBOARD
tar xvf $CWD/xboard-$VERXBOARD.tar.?z* || exit 1
cd xboard-$VERXBOARD || exit 1
zcat $CWD/xboard.conf.diff.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 {} \;

CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --sysconfdir=/etc \
   --infodir=/usr/info \
   --mandir=/usr/man \
   --with-gtk \
   --enable-zippy \
   --build=$ARCH-slackware-linux
make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
install -c cmail $PKG/usr/bin/cmail
#install -c -s xboard $PKG/usr/bin/xboard
#install -c -s zic2xpm $PKG/usr/bin/zic2xpm
#install -c ./pxboard $PKG/usr/bin/pxboard
#install -c -m 644 ./xboard.man $PKG/usr/man/man6/xboard.6
#install -c -m 644 ./zic2xpm.man $PKG/usr/man/man6/zic2xpm.6
#mkdir -p $PKG/usr/info
#install -c -m 644 xboard.info $PKG/usr/info/xboard.info
mkdir -p $PKG/usr/doc/xboard-$VERXBOARD
cp -a \
  AUTHORS COPYING* COPYRIGHT FAQ.html NEWS README TODO \
  $PKG/usr/doc/xboard-$VERXBOARD
gzip -9 $PKG/usr/man/man?/*.?
gzip -9 $PKG/usr/info/*.info
mkdir -p $PKG/usr/share/pixmaps
cat $CWD/chess.png > $PKG/usr/share/pixmaps/chess.png
mkdir -p $PKG/usr/share/applications
cat $CWD/eboard.desktop > $PKG/usr/share/applications/eboard.desktop
rm -f $PKG/usr/info/dir
mv $PKG/etc/xboard.conf $PKG/etc/xboard.conf.new

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/gnuchess-$VERGNUCHESS-$ARCH-$BUILD.txz