#!/bin/sh

# Slackware build script for VLC media player
# Written by Andrea De Pasquale <andrea@de-pasquale.name>
# Based on Eric Hameleers' Slackware build script,
# modified to build VLC only, shared libraries needed.

# Copyright (c) 2007,2008,2009,2010,2011  Eric Hameleers, Eindhoven, Netherlands
# Copyright (c) 2014-2019  Christoph Willing, Brisbane, Australia
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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=vlc
VERSION=${VERSION:-3.0.7.1}
BUILD=${BUILD:-3}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
    *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi
SLKLDFLAGS="-lrt"

DOCS="ABOUT-NLS AUTHORS COPYING INSTALL NEWS README THANKS"
qtversion="--enable-qt=4" ; [ "${QTVERSION:-5}" != "4" ] && qtversion="--enable-qt=5"
wayland="--disable-wayland" ; [ "${WAYLAND:-no}" != "no" ] && wayland="--enable-wayland"

# In an ordinary virtual machine, since a different kernal is running,
# a unique dbus id is needed.
# However with LXC, the same kernel is used in each container,
# so we insert an arbitrary value
#
grep "container=" /etc/rc.d/rc.S >/dev/null 2>/dev/null
if [ $? -eq 0 ]; then
  mkdir -p /var/lib/dbus/
  echo "4349d719fcf875a557a8c00400000014" > /var/lib/dbus/machine-id
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
cd $PRGNAM-$VERSION

patch -p0 < $CWD/patch-projectM-fontpath.diff
patch -p0 < $CWD/patch_vlc_cache_gen.diff

opencv=""
if [ "${OPENCV:-yes}" != "yes" ]; then
  opencv="--disable-opencv" ;
else
  if pkg-config --exists opencv4 ; then
    opencv="--enable-opencv"
    patch -p0 < $CWD/patch-opencv4.diff
    mv modules/video_filter/opencv_wrapper.c modules/video_filter/opencv_wrapper.cpp
  elif pkg-config --exists opencv ; then
    # opencv-legacy
    opencv="--enable-opencv"
  else
    opencv="--disable-opencv"
  fi
fi

autoreconf -fiv

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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
LDFLAGS="$SLKLDFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --docdir=/usr/doc/vlc-$VERSION \
  --localstatedir=/var \
  --build=$ARCH-slackware-linux \
  $qtversion \
  $wayland \
  $opencv \
  --enable-merge-ffmpeg \
  --enable-libva=no \
  --with-kde-solid=no \

make
make DESTDIR=$PKG install

mkdir -p $PKG/usr/man/man1
gzip -9c doc/vlc.1 > $PKG/usr/man/man1/vlc.1.gz

mkdir -p $PKG/$(cd /usr/share/vim/vim*/syntax ; pwd)
cp extras/analyser/vlc.vim $PKG/$(cd /usr/share/vim/vim*/syntax ; pwd)/

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION/*

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

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

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed -e s/%LIBDIRSUFFIX%/$LIBDIRSUFFIX/g $CWD/doinst.sh.in > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}