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

# xz.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for ARMedslack.
#
# Copyright 2009-2024  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.

#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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 $CWD/$PKGNAM-$VERSION.tar
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || failextract
slackhousekeeping

# Apply patches:
#
# Change default verbosity from V_WARNING to V_ERROR to prevent spamming
# the screen with messages concerning steps that xz is taking to reduce
# memory use (these aren't indicating any sort of failure, so...)
zcat $CWD/xz.default.verbosity.V_ERROR.diff.gz | patch -p1 --verbose || exit 1

# Configure:
slack_autotoolsprep
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --sysconfdir=/etc \
   --docdir=/usr/doc/xz-$VERSION \
   --mandir=/usr/man \
   --enable-shared \
   --disable-static \
   --disable-rpath \
   --program-prefix= \
   --program-suffix= \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package framework:
make install DESTDIR=$PKG || failinstall

# It might be advisable to have the libraries in /lib${LIBDIRSUFFIX}:
mkdir -p $PKG/lib${LIBDIRSUFFIX}
mv $PKG/usr/lib${LIBDIRSUFFIX}/liblzma.so.* $PKG/lib${LIBDIRSUFFIX}
( cd $PKG/usr/lib${LIBDIRSUFFIX}
  rm -f liblzma.so
  ln -vsf ../../lib${LIBDIRSUFFIX}/liblzma.so.? liblzma.so )

# At least the xz binary should also be in /bin:
mkdir -p $PKG/bin
mv $PKG/usr/bin/xz $PKG/bin
( cd $PKG/usr/bin
  ln -vsf ../../bin/xz . )

# Copy docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  ABOUT-NLS AUTHORS COPYING* INSTALL* NEWS PACKAGERS README* THANKS \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $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      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
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