#!/bin/bash

# Slackware build script for SVT-AV1

# Copyright 2022-2025 Vijay Marcel
# 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.

# Changelog for SVT-AV1 SlackBuild Script
# --------------------------------------------------------------------

# 27/08/2022: Added to slackbuilds.org
# 26/11/2022: Gitlab tag handling fixed by Andrew Clemons
# 18/02/2023: Slackbuild script template fixed by B.Watson
# 12/05/2023: Updated to version 1.5.0
# 06/02/2024: Updated to version 1.8.0
# 23/04/2024: Updated to version 2.0.0
# 14/08/2024: Updated to version 2.1.2
# 04/09/2024: Updated to version 2.2.1
# 20/11/2024: Updated to version 2.3.0
# 18/04/2025: updated to version 3.0.2
# 12/09/2025: svt-av1 for now compiles and works on 32-bit,support for it
# will be dropped by upstream in future.cpuinfo is no longer a dependency.
# updated to version 3.1.2

# -----------------------------------------------------------------------

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=svt-av1
VERSION=${VERSION:-3.1.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
DIR=${DIR:-SVT-AV1-v3.1.2}

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

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-march=i586 -mtune=i686 -pipe -O2 -fPIC"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-march=i686 -mtune=i686 -pipe -O2 -fPIC"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-march=x86-64 -mtune=generic -pipe -O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

if [ ! -z "${PRINT_PACKAGE_NAME}"  ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

set -e
trap 'echo "$0 FAILED at line $LINENO!" | tee -a $OUTPUT/error-${PRGNAM}.log' ERR

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $DIR
tar xvf $CWD/$DIR.tar.gz
cd $DIR

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 {} \+

cmake -B build -S $TMP/$DIR \
        -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    	-DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
        -DCMAKE_BUILD_TYPE:STRING=Release \
        -DCMAKE_INSTALL_PREFIX:PATH=/usr \
        -DCMAKE_INSTALL_LIBDIR:PATH=/usr/lib${LIBDIRSUFFIX} \
        -DUSE_CPUINFO=SYSTEM

make -C build
make -C build install DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded --remove-section=.comment --remove-section=.note 2> /dev/null || true

# Don't ship .la files:
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/*.la

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CONTRIBUTING.md CHANGELOG.md PATENTS.md LICENSE.md LICENSE-BSD2.md STYLE.md README.md Docs   $PKG/usr/doc/$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 --remove-rpaths --remove-tmp-rpaths $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE