#!/bin/sh

# Slackware build script for x265

# Copyright 2014-2017 Willy Sudiarto Raharjo <willysr@slackbuilds.org>
# 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=x265
VERSION=${VERSION:-2.5}
REVISION=${REVISION:-64b2d0bf45a5}
SRCNAM=multicoreware
BUILD=${BUILD:-1}
TAG=${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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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 $SRCNAM-$PRGNAM-$REVISION
tar xvf $CWD/$SRCNAM-$PRGNAM-$REVISION.tar.bz2 || tar xvf $CWD/$VERSION.tar.bz2
cd $SRCNAM-$PRGNAM-$REVISION
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 {} \;

for d in 8 $([ "$ARCH" = "x86_64" ] && echo "10 12"); do
  if [[ -d build-$d ]]; then
    rm -rf build-$d
  fi
  mkdir build-$d
done

if [ "$ARCH" = "x86_64" ]; then

  cd build-12

  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_INSTALL_DIR=lib${LIBDIRSUFFIX} \
    -DHIGH_BIT_DEPTH=ON \
    -DMAIN12=ON \
    -DEXPORT_C_API=OFF \
    -DENABLE_CLI=OFF \
    -DENABLE_SHARED=OFF \
    -DCMAKE_BUILD_TYPE=Release ../source
  make

  cd ../build-10

  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_INSTALL_DIR=lib${LIBDIRSUFFIX} \
    -DHIGH_BIT_DEPTH=ON \
    -DEXPORT_C_API=OFF \
    -DENABLE_CLI=OFF \
    -DENABLE_SHARED=OFF \
    -DCMAKE_BUILD_TYPE=Release ../source
  make

  cd ../build-8

  ln -s ../build-10/libx265.a libx265_main10.a
  ln -s ../build-12/libx265.a libx265_main12.a

  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_INSTALL_DIR=lib${LIBDIRSUFFIX} \
    -DENABLE_SHARED=ON \
    -DEXTRA_LIB="x265_main10.a;x265_main12.a" \
    -DEXTRA_LINK_FLAGS="-L." \
    -DLINKED_10BIT=ON \
    -DLINKED_12BIT=ON \
    -DCMAKE_BUILD_TYPE=Release ../source
  make

else

  cd build-8

  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_INSTALL_DIR=lib${LIBDIRSUFFIX} \
    -DENABLE_SHARED=ON \
    -DCMAKE_BUILD_TYPE=Release ../source
  make

fi

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

# Remove static library
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libx265.a

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING doc/intra/* $PKG/usr/doc/$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

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