#!/bin/bash

# Slackware build script for lvm2 

# Copyright 2026 Frank Honolka <slackernetuk@gmail.com>
# 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.
#  -------------------------------------------------------------------#
#  Thanks to Arch Linux - lvm2 maintainer. 
#  -------------------------------------------------------------------#
#
cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=lvm2			
VERSION=${VERSION:-2.03.42}	
BUILD=${BUILD:-1}
TAG=${TAG:-_snuk}		
PKGTYPE=${PKGTYPE:-txz}
GITSRC=https://gitlab.com/lvmteam/lvm2.git
# 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 [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/var/cache/snukware/tmp}	
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/var/cache/snukware/a}	

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; 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 $PRGNAM


_backports=(
)

prepare() {
  git clone $GITSRC 
  cd $PRGNAM
  git checkout tags/v2_03_42 || exit 1

  local _c
  for _c in "${_backports[@]}"; do
    git log --oneline -1 "${_c}"
    git show "${_c}" -- ':(exclude)WHATS_NEW' | git apply
  done

  # remove install section from systemd units that are enabled by default
  sed -i -e '/^\[Install\]$/,$d' \
    scripts/dm_event_systemd_red_hat.socket.in \
    scripts/lvm2_lvmpolld_systemd_red_hat.socket.in \
    scripts/lvm2_monitoring_systemd_red_hat.service.in
}

prepare

# build system requires bash:
# https://www.redhat.com/archives/linux-lvm/2020-January/msg00004.html
# https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Defining-Variables.html
export CONFIG_SHELL=/bin/bash

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
    CONFIG_SHELL=/bin/bash \
    --prefix=/usr \
    --sbindir=/usr/bin \
    --sysconfdir=/etc \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --with-usrlibdir=/usr/lib${LIBDIRSUFFIX} \
    --mandir=/usr/man \
    --localstatedir=/var \
    --enable-cmdlib \
    --enable-dmeventd \
    --enable-lvmpolld \
    --enable-pkgconfig \
    --enable-readline \
    --enable-udev_rules \
    --enable-udev_sync \
    --enable-write_install \
    --with-cache=internal \
    --with-default-dm-run-dir=/run \
    --with-default-locking-dir=/run/lock/lvm \
    --with-default-pid-dir=/run \
    --with-default-run-dir=/run/lvm \
    --with-libexecdir=/usr/lib/lvm2 \
    --with-systemdsystemunitdir=/usr/lib/systemd/system \
    --with-thin=internal \
    --with-udev-prefix=/usr
make

make DESTDIR="${PKG}" install

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

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

if [ -d $PKG/usr/man ]; then
find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

find $PKG -name perllocal.pod \
  -o -name ".packlist" \
  -o -name "*.bs" \
  | xargs rm -f

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
DOCS="COPYING* INSTALL README TESTING VERSION VERSION_DM WHATS_NEW WHATS_NEW_DM"
cp -a $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 $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE