#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# squashfs-tools.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2015  Eric Hameleers, Eindhoven, NL
# Copyright 2017  Patrick J. Volkerding, Sebeka, Minnesota, USA
# 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.
#

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
#tar xvvf $CWD/squashfs*.tar.!(*sign|*asc|*sig)
tar xvvf $PORTCWD/sources/squashfs*.tar.!(*sign|*asc|*sig)
cd squashfs* || exit 1
slackhousekeeping

# Refresh to support latest architectures:
slackupdatelibtool

# Apply patches:
zcat $CWD/squashfs-tools.glibc228.diff.gz | patch -p1 --verbose || exit 1

cd squashfs-tools || exit 1

# Build:
CFLAGS="$SLKCFLAGS" \
make $NUMJOBS \
  GZIP_SUPPORT="1" \
  XZ_SUPPORT="1" \
  LZ4_SUPPORT="1" \
  ZSTD_SUPPORT="1" \
  LZO_SUPPORT="1" \
  LZMA_XZ_SUPPORT="1" \
  COMP_DEFAULT="xz" || exit 1

# Install:
make install INSTALL_DIR=$PKG/usr/bin || exit 1

# Fix (if needed) broken symlinks:
( cd $PKG/usr/bin
  if ls -l sqfscat | grep -q package-squashfs-tools ; then
    rm sqfscat
    ln -sf unsquashfs sqfscat
  fi
  if ls -l sqfstar | grep -q package-squashfs-tools ; then
    rm sqfstar
    ln -sf mksquashfs sqfstar
  fi
)

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cd ..
cp -fav \
  ACKNOWLEDGEMENTS CHANGES COPYING* INSTALL *README* \
  $PKG/usr/doc/${PKGNAM}-$VERSION
changelogliposuction CHANGES $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # set standard Slackware file/dir permissions and ownerships
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links