#!/bin/sh

# Slackware build script for zsnes

# Copyright (c) 2008, Antonio Hernández Blas <hba.nihilismus@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1.- Redistributions of source code 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.

PRGNAM=zsnes
VERSION=1.51
ZSNESSRC=151src
ZSNESDIR=_1_51
ARCH=${ARCH:-i486}
BUILD=${BUILD:-3}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG/usr $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM$ZSNESSRC.tar.bz2
# Fix the directory tree in zsnes:
mv $PRGNAM$ZSNESDIR $PRGNAM-$VERSION
mv $PRGNAM-$VERSION/src/* $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
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="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
force_arch="$ARCH" \
./configure \
  --prefix=/usr \
  --enable-release \
  --disable-cpucheck \
  --disable-debugger

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
force_arch="$ARCH" \
make
make install DESTDIR=$PKG

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
  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 $PKG/usr/doc/$PRGNAM-$VERSION
cp -a docs/*  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Add a .desktop file and icon for good menu integration
install -D -m 0644 $CWD/zsnes.desktop $PKG/usr/share/applications/zsnes.desktop
install -D -m 0644 $CWD/zsnes.png $PKG/usr/share/pixmaps/zsnes.png

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