#!/bin/sh

# Slackware build script for bsnes

# Written by Larry Hajali <larryhaja[at]gmail[dot]com>

PRGNAM=bsnes
VERSION=${VERSION:-0.080}
SRCVER=${VERSION:2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
       *) export ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf ${PRGNAM}_v${SRCVER}-source
tar xvf $CWD/${PRGNAM}_v${SRCVER}-source.tar.bz2
cd ${PRGNAM}_v${SRCVER}-source
find . -type d -exec chmod -R 0755 {} \;
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 {} \;

# Patch makefile so SLKCFLAGS are recognized and give option to choose
# Qt4 or Gtk interface.
patch -p1 < $CWD/bsnes-0.076-toolkit.patch
patch -p1 < $CWD/bsnes-0.077-makefile.patch

# Fix snespurify scripts.
sed -i 's|g++-4.5|g++|g' snespurify/cc-{gtk,qt}.sh

cd $PRGNAM

# Remove pulseaudio as there is no package for it at SBo.
# Comment out or delete the following 4 lines to enable pulseaudio.
sed -i \
  -e 's|audio.pulseaudio ||' \
  -e 's|audio.pulseaudiosimple ||' \
  -e '/pulse/d' ui{,-gameboy}/Makefile

# Choose whether qt or gtk interface is used. Qt4 is default.
INTERFACE=${INTERFACE:-QT4}
if ! [ "$INTERFACE" == 'QT4' ]; then
  TOOLKIT='gtk'
else
  TOOLKIT='qt'
fi

# Determine which mode to build bsnes.
# Possible values for PROFILE are accuracy, compatibility, and performance.
PROFILE=${PROFILE:-compatibility}

CXXFLAGS="$SLKCFLAGS" \
make \
  platform=x \
  compiler=gcc \
  prefix=/usr \
  toolkit="$TOOLKIT" \
  profile="$PROFILE"

make install DESTDIR=$PKG prefix=/usr
cd ..

# Compile snespurify. It helps clean up ROMS for use with bsnes.
cd snespurify
# Fix snespurify scripts.
sed -i -e 's|g++-4.5|g++|g' -e "s|-O3|$SLKCFLAGS|" cc-{gtk,qt}.sh
if [ "$INTERFACE" == "QT4" ]; then
  ./cc-qt.sh
  install -m 0755 snespurify-qt $PKG/usr/bin
else
  ./cc-gtk.sh
  install -m 0755 snespurify-gtk $PKG/usr/bin
fi
cd ..

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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.${PKGTYPE:-tgz}