#!/bin/sh

# Slackware build script for bsnes

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

PRGNAM=bsnes
VERSION=${VERSION:-0.058}
SRCVER=${VERSION:2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

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

# Determine if we use pulseaudio with build. Default is no.
# Also backport bsnes for Slackware <= 13.0.
USE_PULSE=${USE_PULSE:-no}
OLD_SLACK=${OLD_SLACK:-no}

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"
else
  SLKCFLAGS="-O2"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
mkdir $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
tar xvf $CWD/${PRGNAM}_v${SRCVER}.tar.bz2
cd src
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 {} \;

# Use custom SLKCFLAGS.
sed -i "s|-O3|${SLKCFLAGS}|" Makefile

# For older Slackware versions that have *-qt4 extension.
if [ "$OLD_SLACK" == "yes" ]; then
  patch -p1 < $CWD/Makefile-qt.patch
fi

# Determine if we get rid of pulseaudio support.
if [ "$USE_PULSE" == "no" ]; then
  sed -i \
    -e 's|audio\.pulseaudio ||' \
    -e '/pulse/d' Makefile
fi

make \
  platform=x \
  compiler=gcc \
  enable_gzip=true \
  enable_jma=true \
  prefix=/usr

make install DESTDIR=$PKG prefix=/usr

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
cp -a \
  data/*.html \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

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}