#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# gnuchess.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
# 28-Dec-2004
#
# Copyright 2008, 2009, 2010, 2011, 2013, 2015, 2017, 2018  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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Versions of bundled stuff:
VERGNUCHESS=$VERSION # taken from arm/build

# To save on maintenance, and since we carry the same versions as x86 Slackware,
# let's pull the version numbers from the x86 trunk:
XSB=$CWD/$PKGNAM.SlackBuild
[ ! -x $XSB ] && { echo "ERROR: Cannot find x86 SlackBuild for ${PKGNAM}!" ; exit 1; }
for upstreamvar in \
  VERSJENG \
  VEREBOARD \
  VERXBOARD \
  ; do
  eval $( grep -E "^${upstreamvar}=" $XSB  )
  echo "Upstream variable: ${upstreamvar} version $( eval $( echo "echo \$${upstreamvar}" ) )"
done

############ Build GNUchess #####################################

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERGNUCHESS.tar.!(*sign|*asc|*sig)
cd $PKGNAM-* || exit 1
slackhousekeeping

# Configure:
CFLAGS="$SLKCFLAGS $SLK_OPTIMS -fcommon" \
./configure \
   --prefix=/usr \
   --infodir=/usr/info \
   --mandir=/usr/man \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall

# Copy docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERGNUCHESS
cp -a \
  doc/README* \
  AUTHORS COPYING* INSTALL NEWS README TODO \
  $PKG/usr/doc/$PKGNAM-$VERGNUCHESS

############ Build Sjeng #########################################

# Extract source:
cd $TMPBUILD
tar xvvf $CWD/Sjeng-Free-$VERSJENG.tar.!(*sign|*asc|*sig)
cd Sjeng-Free-* || exit 1
slackhousekeeping

# Configure:
CFLAGS="$SLK_OPTIMS $SLKCFLAGS -fcommon" \
./configure \
  --prefix=/usr \
  --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS CXX="c++ $SLKCFLAGS" || make CXX="c++ $SLKCFLAGS" || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall

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

############ Build eboard #########################################

# Extract source:
cd $TMPBUILD
tar xvvf $CWD/eboard-$VEREBOARD.tar.!(*sign|*asc|*sig)
cd eboard-* || exit 1
slackhousekeeping

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

# Configure (CXXFLAGS has -O6 by default):
CFLAGS="$SLK_OPTIMS $SLKCFLAGS -fcommon" \
CXXFLAGS="$SLKCFLAGS -fcommon" \
./configure \
   --prefix=/usr \
   --extra-flags=$(echo $SLKCFLAGS | sed -e "y/ /:/") \
   --build=${SLK_ARCH_BUILD} || exit 1

# Fix FTBFS on ARM:
sed -i 's/^LDFLAGS.*=\(.*\)$/LDFLAGS = -ldl \1/' Makefile

# Build:
make $NUMJOBS CXX="c++ $SLKCFLAGS" || make CXX="c++ $SLKCFLAGS" || failmake

# Install into package:
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

############ Build Xboard #########################################

# Extract source:
cd $TMPBUILD
tar xvvf $CWD/xboard-$VERXBOARD.tar.!(*sign|*asc|*sig)
cd xboard-* || exit 1
slackhousekeeping

# Apply patches:
zcat $CWD/xboard.conf.diff.gz | patch -p1 --verbose || exit 1

# Configure:
CFLAGS="$SLK_OPTIMS $SLKCFLAGS -fcommon" \
./configure \
   --prefix=/usr \
   --sysconfdir=/etc \
   --infodir=/usr/info \
   --mandir=/usr/man \
   --with-gtk \
   --enable-zippy \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install:
make install DESTDIR=$PKG || exit 1

# Add documentation:
mkdir -p $PKG/usr/doc/xboard-$VERXBOARD
cp -fav \
  AUTHORS COPYING* COPYRIGHT FAQ.html NEWS README TODO \
  $PKG/usr/doc/xboard-$VERXBOARD

# Install desktop stuff:
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

#######################################################################

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown (root:bin), slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links