--- /dev/null
+#!/bin/bash
+
+# Slackware build script for AviSynthPlus
+
+# Copyright 2022 Vladislav Borisov Moscow, Russia
+# 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.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PRGNAM=AviSynthPlus
+VERSION=${VERSION:-3.7.2}
+BUILD=${BUILD:-1}
+TAG=${TAG:-fsleg}
+PKGTYPE=${PKGTYPE:-txz}
+
+# Use parallel building if possible
+if [ -z "$NUMJOBS" ]; then
+ NUMJOBS=$(nproc)
+fi
+
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+ case "$( uname -m )" in
+ i?86) ARCH=i586 ;;
+ arm*) ARCH=arm ;;
+# Unless $ARCH is already set, use uname -m for all other archs:
+ *) ARCH=$( uname -m ) ;;
+ esac
+fi
+
+# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
+# the name of the created package would be, and then exit. This information
+# could be useful to other scripts.
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+ echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
+ exit 0
+fi
+
+TMP=${TMP:-/tmp/SBo} # For consistency's sake, use this
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp} # Drop the package in /tmp
+
+if [ "$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 # Exit on most errors
+
+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 -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 {} \;
+
+mkdir -p build
+cd build
+ cmake \
+ -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+ -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+ -DCMAKE_INSTALL_PREFIX=/usr
+ ..
+ make -j${NUMJOBS}
+ make install DESTDIR=$PKG
+cd ..
+
+if [ "${DOCS}" = "yes" ]; then
+ cd distrib/docs/english
+ make html
+ cd ../../..
+fi
+
+# Strip binaries and libraries
+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
+
+# Copy program documentation into the package
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -aR \
+ README.md \
+ distrib/Examples \
+ $PKG/usr/doc/$PRGNAM-$VERSION
+if [ -d distrib/docs/english/build/html ]; then
+ cp -aR distrib/docs/english/build/html $PKG/usr/doc/$PRGNAM-$VERSION
+fi
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+# Copy the slack-desc (and a custom doinst.sh if necessary) into ./install
+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