#!/bin/sh

# Slackware build script for bsnes

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

PRGNAM=bsnes
VERSION=${VERSION:-091}
BUILD=${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 ${PRGNAM}_v${VERSION}-source
tar xvf $CWD/${PRGNAM}_v${VERSION}-source.tar.xz
cd ${PRGNAM}_v${VERSION}-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 {} \;

cd $PRGNAM

sed -e 's|audio.pulseaudio ||' \
      -e 's|audio.pulseaudiosimple ||' \
      -i 'target-ethos/Makefile'

moc -i -Iphoenix/qt/ -o phoenix/qt/platform.moc phoenix/qt/platform.moc.hpp
sed -e 's/sudo install/install/' \
      -i 'target-ethos/Makefile'
# Choose whether qt or gtk interface is used. Qt4 is default.
if [ "${INTERFACE:-QT4}" != 'QT4' ]; then
  PHOENIX='gtk'
else
  PHOENIX='qt'
fi

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

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

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

# Compile snespurify. It helps clean up ROMS for use with bsnes.
cd purify
# Fix building with QT >= 4.8.0.
moc -i -Iphoenix/qt/ -o phoenix/qt/platform.moc phoenix/qt/platform.moc.hpp

# Fix snespurify scripts.
sed -e 's|link := -s|link := -s -lX11|' -i 'Makefile'

make \
  compiler=gcc \
  platform=x \
  phoenix="$PHOENIX"

mkdir -p $PKG/usr/bin
install -m 0755 purify $PKG/usr/bin/$PRGNAM-purify
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 $PKG/usr/share/$PRGNAM/profile
cp -R bsnes/profile/* $PKG/usr/share/$PRGNAM/profile

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}