#!/bin/bash

# Slackware build script for libslack

# Copyright 2012-2021 Christoph Willing, Australia
# 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.

PRGNAM=libslack
VERSION=${VERSION:-0.7.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
tar xvf $CWD/$PRGNAM-$VERSION-html.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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Strip update, download and uninstall capabilities from libslack-config
patch -p1 < $CWD/notwanted.patch

# Set our CFLAGS
sed -i "s|-O3|$SLKCFLAGS|" conf/linux Makefile

./configure
make

# "make install" is badly broken (thanks XGizzmo), so manual install
mkdir -p $PKG/usr/bin $PKG/usr/lib$LIBDIRSUFFIX $PKG/usr/include/slack

install -m 0755 $PRGNAM.a $PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM-$VERSION.a
( cd $PKG/usr/lib$LIBDIRSUFFIX ; ln -s $PRGNAM-$VERSION.a $PRGNAM.a )

install -m 0644 *.h $PKG/usr/include/slack/

sed \
  -e "s|@@URL@@|http://$PRGNAM.org/|" \
  -e "s|@@NAME@@|$PRGNAM|" \
  -e "s|@@VERSION@@|$VERSION|" \
  -e "s|@@PREFIX@@|/usr|" \
  -e "s|@@CFLAGS@@|-DHAVE_GETOPT_LONG=1 -DHAVE_SNPRINTF=1 -DHAVE_VSSCANF=1 -DHAVE_PTHREAD_RWLOCK=1|" \
  -e "s|@@LIBS@@|-lslack -lpthread -lutil|" \
  $PRGNAM-config.t > $PKG/usr/bin/$PRGNAM-config
chmod 0755 $PKG/usr/bin/$PRGNAM-config

# Man pages overwrite stuff (thanks XGizzmo), so we ignore them
# and install only the html documentation
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/html
cp -a COPYING LICENSE README.md REFERENCES \
  $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $TMP/$PRGNAM-$VERSION-html/* \
  $PKG/usr/doc/$PRGNAM-$VERSION/html/
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:-tgz}