#!/bin/sh

# Slackware build script for icecream

# Copyright 2009-2018 Heinz Wiesinger, Amsterdam, The Netherlands
# 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=icecream
VERSION=${VERSION:-1.1}
BUILD=${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 ! grep ^icecream: /etc/group 2>&1 > /dev/null; then
  echo "  Must have a icecream group to run this script."
  echo "    # groupadd -g 283 icecream"
  echo "  Or something similar."
  exit 1
elif ! grep ^icecream: /etc/passwd 2>&1 > /dev/null; then
  echo "  Must have a icecream user to run this script."
  echo "    # useradd -u 283 -g icecream -d /var/cache/icecream icecream"
  echo "  Or something similar."
  exit 1
fi

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
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 {} \;

./autogen.sh

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --enable-clang-rewrite-includes \
  --enable-clang-wrappers \
  --enable-shared \
  --disable-static \
  --build=$ARCH-slackware-linux

make
make install-strip DESTDIR=$PKG

mkdir -p $PKG/etc/profile.d/
cp $CWD/profile.d/* $PKG/etc/profile.d/
chmod 0755 $PKG/etc/profile.d/*

# Install init script
mkdir -p $PKG/etc/rc.d
install -m 0755 $CWD/rc.iceccd $PKG/etc/rc.d/rc.iceccd.new
install -m 0755 $CWD/rc.icecc-scheduler $PKG/etc/rc.d/rc.icecc-scheduler.new
install -m 0644 $CWD/rc.icecream.conf $PKG/etc/rc.d/rc.icecream.conf.new

for i in $ARCH-slackware-linux-c++ $ARCH-slackware-linux-g++ \
  $ARCH-slackware-linux-gcc $ARCH-slackware-linux-clang \
  $ARCH-slackware-linux-clang++; do
    ln -s /usr/bin/icecc $PKG/usr/libexec/icecc/bin/$i
done

mkdir -p $PKG/var/{cache,log}/icecream
chown icecream:icecream $PKG/var/{cache,log}/icecream

find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING NEWS README TODO $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}