#!/bin/bash

# Slackware build script for scummvm

# Copyright 2006  Halim Issa <yallaone@gmail.com>
# Copyright 2008, 2010, 2012-2020  Carlos Corbacho <carlos@strangeworlds.co.uk>
# 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=scummvm
VERSION=${VERSION:-2.1.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

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"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

DOCS="AUTHORS COPYING* COPYRIGHT NEWS.md README.md TODO"

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
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 {} \;

# 20200411 bkw: This is necessary for fluidsynth-2.x. Based on upstream's
# git commit 68758a87.
patch -p1 < $CWD/fix-fluidsynth2-build.diff

# avoid linking breakage on i?86
if [[ $ARCH == i?86 ]]; then linker=bfd; else linker=gold; fi

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
LDFLAGS="-fuse-ld=$linker" \
./configure \
  --prefix=/usr \
  --bindir=/usr/games \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --mandir=/usr/man \
  --disable-debug

make
make install DESTDIR=$PKG

# The .desktop file for the menu is not being installed
install -D -m 0644 dists/scummvm.desktop \
  $PKG/usr/share/applications/scummvm.desktop

# Hardcode the location for the .desktop icon
sed -i s%Icon=%Icon=/usr/share/pixmaps/% \
  $PKG/usr/share/applications/scummvm.desktop

strip --strip-unneeded $PKG/usr/games/scummvm 2> /dev/null

# Compress the man page(s)
( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS  $PKG/usr/doc/$PRGNAM-$VERSION
# We don't need these - they're redundant
rm -rf $PKG/usr/share/doc

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}