#!/bin/sh

# Slackware build script for k9copy-reloaded

# Copyright 2018, 2020 by Lenard Spencer (lenardrspencer@gmail.com)
# All rights reserved.
#
# ffmpeg static library section borrowed (stolen?) from xine-lib.SlackBuild
# from Slackware 14.2 source archives,copyrighted by Pat Volkerding, et. al.
#
# 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=k9copy-reloaded
SRCNAM=k9copy
VERSION=${VERSION:-3.0.3}
BUILD=${BUILD:-3}
FFMPEG_VERSION=${FFMPEG_VERSION:-2.8.15}
TAG=${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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
  # 32bit x86 fails without this...
  FFARCHOPTS="--disable-asm"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  # 32bit x86 fails without this...
  FFARCHOPTS="--disable-asm"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  FFARCHOPTS="--arch=x86_64 --enable-pic"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
  FFARCHOPTS=""
fi

CURRENT=${CURRENT:-no}

set -e

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

if [ "$CURRENT" = "yes" ]; then
  # check for gcc5 and abort if not found:
  if ! [ -x /usr/bin/gcc-5 ]; then
    echo "Cannot find the gcc5 package.  Please install the gcc5 package"
    echo "and rerun the SlackBuild script."
    exit 1
  fi
  # Set gcc-5 vars to make it build with gcc5:
  # cmake will use these settings to build k9copy-reloaded
  source /etc/profile.d/gcc5.sh
  # Options for ffmpeg:
  GCC5OPTS="--cc=gcc-5 --cxx=g++-5 --ar=gcc-ar-5 --nm=gcc-nm-5 --ranlib=gcc-ranlib-5 --dep-cc=gcc-5"
else
  GCC5OPTS=""
fi

rm -rf ffmpeg*
tar xvf $CWD/ffmpeg-$FFMPEG_VERSION.tar.?z* || exit 1
cd ffmpeg* || 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 {} \;

  echo "Building static ffmpeg libs ..."

  FFMPEGDIR=/$TMP/ffmpeg-temp

  CFLAGS="$SLKCFLAGS -fvisibility=hidden -I/usr/include/openmj2-2.1" \
  CXXFLAGS="$SLKCFLAGS -fvisibility=hidden -I/usr/include/openmj2-2.1" \
  ./configure \
    --prefix=$FFMPEGDIR/usr \
    $GCC5OPTS \
    --libdir=$FFMPEGDIR/usr/lib${LIBDIRSUFFIX} \
    --shlibdir=$FFMPEGDIR/usr/lib${LIBDIRSUFFIX} \
    --enable-gpl \
    --enable-version3 \
    --enable-postproc \
    --disable-doc \
    --disable-avfilter \
    --disable-avdevice \
    --disable-swresample \
    --disable-ffserver \
    --disable-ffplay \
    --disable-ffmpeg \
    --disable-ffprobe \
    --enable-pthreads \
    --disable-debug \
    --disable-shared \
    --enable-static \
    --enable-hardcoded-tables \
    --enable-memalign-hack \
    --enable-bzlib \
    --enable-zlib \
    --enable-libopenjpeg \
    ${FFARCHOPTS}

    make
    make install # Note: no DESTDIR !!
cd -

rm -rf $SRCNAM
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM
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 {} \;

# patches from upstream and community:
patch -p1 < $CWD/patches/k9copy-mimetype.patch
patch -p0 < $CWD/patches/k9copy-tempdir.patch

# Fix internal dvdnav to link against internal dvdread
patch -p1 < $CWD/patches/k9copy-dvdnav.patch

# Needed to link with the ffmpeg static libs we just built:
export PKG_CONFIG_PATH="${FFMPEGDIR}/usr/lib${LIBDIRSUFFIX}/pkgconfig:$PKG_CONFIG_PATH"

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DFFMPEGSCALE_LIBRARY:FILEPATH=${FFMPEGDIR}/usr/lib${LIBDIRSUFFIX} \
    -DFFMPEGSCALE_INCLUDE_DIR_LAVC=${FFMPEGDIR}/usr/include \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    -DMAN_INSTALL_DIR=/usr/man \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install DESTDIR=$PKG
cd ..

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  COPYING README \
  $PKG/usr/doc/$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}