#!/bin/sh

# Slackware build script for higan

# Based on bsnes SlackBuild by Erik Hanson <erik@slackbuilds.org>
# Maintained by Gabriel Magno <gabrielmagno1[at]gmail[dot]com>

# Copyright 2013 Gabriel Magno, Belo Horizonte, MG, Brazil
# 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.

PRGNAM=higan
VERSION=${VERSION:-094}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) 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 -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# Apply the patch to allow proper install on Slackware as root
patch -p1 -i $CWD/higan-v094.patch

# Fix building with QT >= 4.8.0.
moc -i -Iphoenix/qt/ -o phoenix/qt/platform.moc phoenix/qt/platform.moc.hpp

# Choose whether a qt or gtk interface is built.
INTERFACE=${INTERFACE:-qt}

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

# Options to build with additional audio driver support
OPENAL=${OPENAL:-no}
PULSEAUDIO=${PULSEAUDIO:-no}

CXXFLAGS="$SLKCFLAGS" \
make \
  compiler=g++ \
  cppflags="-std=c++11" \
  prefix=/usr \
  platform=linux \
  with_openal="$OPENAL" \
  with_pulseaudio="$PULSEAUDIO" \
  phoenix="$INTERFACE" \
  profile="$PROFILE"

make install DESTDIR=$PKG prefix=/usr platform=linux profile=$PROFILE

# Compile ananke (tool to import ROM game files into the higan library).
make -C ananke \
  compiler=g++ \
  cppflags="-std=c++11" \
  platform=linux \
  phoenix="$INTERFACE" \
  profile="$PROFILE"
make -C ananke install path=$PKG/usr/lib${LIBDIRSUFFIX} platform=linux

# Copy shaders
mkdir $PKG/usr/share/higan/Video\ Shaders
cp -r shaders/*.shader $PKG/usr/share/higan/Video\ Shaders
chmod -R 777 $PKG/usr/share/higan/Video\ Shaders

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Fix broken link.
cd $PKG/usr/lib${LIBDIRSUFFIX}
  rm libananke.so
  ln -s libananke.so.1 libananke.so
cd -

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}