#!/bin/sh

# Slackware build script for xbmc
# Written by Konstantinos Mantzaris (kmanjaris@gmail.com)

# Copyright 2012 Konstantinos Mantzaris <kmanjaris@gmail.com>
# 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.



PKGNAM=xbmc
PKGVER=12.0
VERSION=12.0
BUILD=${BUILD:-1}
TAG=${TAG:-xsb}

# 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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -pipe -mcpu=arm1176jzf-s -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=softfp -Wno-psabi"
  LIBDIRSUFFIX=""
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf ${PKGNAM}-$PKGVER
tar xvf $CWD/${PKGNAM}-$VERSION.tar.?z* || exit 1
cd ${PKGNAM}-$PKGVER || exit 1

# Make sure ownerships and permissions are sane:
chown -R root:root .

# Patch source to get past the rtmp compile error
zcat $CWD/xbmc.FixDVDInputStreamRTMP.diff.gz | patch -p1 || exit 1
# Apply platform specific patches
if [ "$ARCH" = "arm" ] ; then
  # patch source to allow compile of AudioEngine AEConvert.cpp
  zcat $CWD/xbmc.FixAudioEngine.diff.gz | patch -p1 || exit 1
  # patch source to allow compile of TexturePacker
  zcat $CWD/xbmc.FixTexturePacker.diff.gz | patch -p1 || exit 1
#else
#  # Patch source to get rid of the lsb_release call *Eden*
#  zcat $CWD/xbmc.FixLSBReleaseCall.diff.gz | patch -p1 || exit 1
#  # Patch source to set Pulse Combined as the default Audio Device
#  zcat $CWD/xbmc.SetPulseCombinedDefault.diff.gz | patch -p1 || exit 1
fi

# Return to XBMC installation
cd $TMP
cd ${PKGNAM}-$PKGVER || exit 1
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 {} \;

./bootstrap

cd $TMP
cd ${PKGNAM}-$PKGVER || exit 1
chown -R root:root .
# Configure:
if [ "$ARCH" = "arm" ] ; then
    CFLAGS="$SLKCFLAGS" \
    CXXFLAGS="$SLKCFLAGS" \
    ./configure \
      --prefix=/usr \
      --libdir=/usr/lib${LIBDIRSUFFIX} \
      --localstatedir=/var \
      --sysconfdir=/etc \
      --mandir=/usr/man \
      --infodir=/usr/info \
      --with-platform=raspberry-pi \
      --enable-gles \
      --disable-x11 \
      --disable-sdl \
      --disable-xrandr \
      --disable-joystick \
      --disable-vdpau \
      --disable-vaapi \
      --enable-alsa \
      --enable-pulse \
      --enable-player=omxplayer \
      --build=$ARCH-slackware-linux
else
    CFLAGS="$SLKCFLAGS" \
    CXXFLAGS="$SLKCFLAGS" \
    ./configure \
      --prefix=/usr \
      --libdir=/usr/lib${LIBDIRSUFFIX} \
      --localstatedir=/var \
      --sysconfdir=/etc \
      --mandir=/usr/man \
      --infodir=/usr/info \
      --build=$ARCH-slackware-linux
fi

# Build and install:
make || exit 1
make install DESTDIR=$PKG || exit 1

# Strip binaries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  AUTHORS COPYING* INSTALL NEWS README TODO \
  $PKG/usr/doc/${PKGNAM}-$VERSION

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

mkdir -p $PKG/install
if [ "$ARCH" = "arm" ]; then LIBDIRSUFFIX="rpi"; fi
cat $CWD/slack-desc${LIBDIRSUFFIX} > $PKG/install/slack-desc

# Build the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.txz