#!/bin/sh

# Slackware build script for Mumble

# Copyright 2011-2012 James Geboski <jgeboski@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.

PRGNAM=mumble
VERSION=${VERSION:-1.2.3}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

G15=${G15:-no}
OVERLAY=${OVERLAY:-no}
COMPAT32=${COMPAT32:-no}

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

BUILD_G15=""
BUILD_OVERLAY=""

if [ "$G15" = "no" ]; then
  BUILD_G15="CONFIG+=no-g15"
fi

if [ "$OVERLAY" = "no" ]; then
  BUILD_OVERLAY="CONFIG+=no-overlay"
fi

set -e

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

# As of celt-0.11.0, the macro CELT_SET_VBR_RATE has been renamed to
# CELT_SET_BITRATE. Please make sure you have at least celt-0.11.0,
# if not comment the line below out.
patch -p1 < $CWD/patches/AudioInput-fix-for-celt-0.11.0.patch

# On GTK+ based envrionments (Ex: XFCE) the MainWindow's icon needed
# to be directly set.
patch -p1 < $CWD/patches/MainWindow-set-the-window-icon.patch

# The system's celt-0.11.0 is used, however, celt-0.7.0 is needed
# to keep compatibility with other Mumble clients.
cd celt-0.7.0-build
  qmake \
    QMAKE_CFLAGS+="$SLKCFLAGS" \
    QMAKE_CXXFLAGS+="$SLKCFLAGS" \
    -recursive \
    celt-0.7.0-build.pro
  
  make release
cd -

qmake \
  -recursive \
  main.pro \
  QMAKE_CFLAGS+="$SLKCFLAGS" \
  QMAKE_CXXFLAGS+="$SLKCFLAGS" \
  DEFINES*="PLUGIN_PATH=/usr/lib${LIBDIRSUFFIX}/mumble" \
  CONFIG+=no-server \
  CONFIG+=no-bundled-celt \
  CONFIG+=no-bundled-speex \
  CONFIG+=no-pulseaudio \
  CONFIG+=no-speechd \
  CONFIG+=no-update \
  CONFIG+=no-embed-qt-translations \
  CONFIG+=no-ice \
  CONFIG+=no-bonjour \
  $BUILD_G15 \
  $BUILD_OVERLAY

make release

mkdir -p \
  $PKG/usr/bin \
  $PKG/usr/lib${LIBDIRSUFFIX}/mumble \
  $PKG/usr/man/man1 \
  $PKG/usr/share/{applications,pixmaps}

install -m 755 \
  release/mumble \
  release/mumble11x \
 $PKG/usr/bin

install -m 775 \
  release/libcelt0.so.0.7.0 \
 $PKG/usr/lib${LIBDIRSUFFIX}/mumble

cd $PKG/usr/lib${LIBDIRSUFFIX}/mumble
  ln -sf libcelt0.so.0.7.0 libcelt0.so.0.7
  ln -sf libcelt0.so.0.7.0 libcelt0.so.0
  ln -sf libcelt0.so.0.7.0 libcelt0.so
cd -

install -m 644 \
  man/mumble-overlay.1 \
  man/mumble.1 \
  man/mumble11x.1 \
 $PKG/usr/man/man1

install -m 644 scripts/mumble.desktop $PKG/usr/share/applications
install -m 644 icons/mumble.svg       $PKG/usr/share/pixmaps

find release/plugins -type f -name *.so \
  -exec install -m 755 {} $PKG/usr/lib${LIBDIRSUFFIX}/mumble \;

# If the overlay was built, let's install the library for it
if [ -e release/libmumble.so.$VERSION ]; then
  install -m 755 release/libmumble.so.$VERSION $PKG/usr/lib${LIBDIRSUFFIX}
  install -m 755 scripts/mumble-overlay        $PKG/usr/bin
  
  cd $PKG/usr/lib${LIBDIRSUFFIX}
    ln -sf libmumble.so.$VERSION libmumble.so.1.2
    ln -sf libmumble.so.$VERSION libmumble.so.1
    ln -sf libmumble.so.$VERSION libmumble.so
  cd -
fi

# The mumble-overly script will look for a 32-bit libmumble on non-pure x86_64
# systems. If the x86_64 based system has a multilib setup, the COMPAT32
# variable can be set to 'yes' to build a 32-bit version of libmumble.
if [ "$COMPAT32" = "yes" -a "$OVERLAY" = "yes" -a "$ARCH" = "x86_64" ]; then
  cd overlay_gl
    make clean
    
    qmake \
      QMAKE_CFLAGS="-m32 -O2 -march=i486 -mtune=i686" \
      QMAKE_CXXFLAGS="-m32 -O2 -march=i486 -mtune=i686" \
      QMAKE_LFLAGS="-m32" \
      overlay_gl.pro
    
    make release DESTDIR_ADD=-32
  cd -
  
  mkdir -p $PKG/usr/lib
  install -m 755 release-32/libmumble.so.$VERSION $PKG/usr/lib
  
  cd $PKG/usr/lib
    ln -sf libmumble.so.$VERSION libmumble.so.1.2
    ln -sf libmumble.so.$VERSION libmumble.so.1
    ln -sf libmumble.so.$VERSION libmumble.so
  cd -
fi

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

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  CHANGES LICENSE README README.Linux \
  $PKG/usr/doc/$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}