#!/bin/sh

## Written by hollywoodb

## Feel free to use, modify, redistribute this script.
## If you make changes please modify the "Written by"
## so that I don't recieve emails about a script I
## did not write.  Thanks.
# Modified by Niklas 'Nille' Åkerström for slackware 12.1
# and removed hollywoodb's email
# Any questions about this script should be emailed to nille.kungen [at] gmail.com

PRGNAM=ivan
VERSION=0.50
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

rm -rf $PKG $TMP/$PRGNAM-$VERSION
mkdir -p $TMP $PKG $OUTPUT
cd $TMP || exit 1
tar zxvf $CWD/$PRGNAM-$VERSION.tar.gz || exit 1
cd $PRGNAM-$VERSION || exit 1

chown -R root:root .
chmod -R u+w,go+r-w,a-s .

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

# Fix Makefile.in so that it does mkdir, chown, and chmod within
# DESTDIR like it is supposed to.  Also fix own/perm settings on
# /usr/games/ivan executable
patch -p0 < $CWD/Makefile.in-install.patch || exit 1
# gcc4.1 and 4.2 needs this gentoo patch to compile.
patch -p0 < $CWD/ivan-0.50-gcc41.patch || exit 1
#patch to fix crash when choosing continue in game 
# CFLAGS="$SLKCFLAGS -fno-strict-aliasing" and CXXFLAGS="$SLKCFLAGS -fno-strict-aliasing" may also work.
zcat $CWD/ivan-0.50-continue_game.patch.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1
# use HOME=.ivansave instead of HOME=IvanSave
sed -i -e 's/IvanSave/.ivansave/' $TMP/$PRGNAM-$VERSION/Main/Source/game.cpp

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
    --prefix=/usr \
    --exec-prefix=/usr \
    --bindir=/usr/games \
    --datadir=/usr/share/games \
    --libdir=/usr/lib/games \
    --sysconfdir=/etc \
    --localstatedir=/var/games \
    || exit 1

make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/share/{applications,pixmaps}
install -m 0644 $CWD/$PRGNAM.desktop $PKG/usr/share/applications/$PRGNAM.desktop
install -m 0644 $CWD/$PRGNAM.png $PKG/usr/share/pixmaps/

find $PKG | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a {AUTHORS,COPYING,ChangeLog,LICENSING,INSTALL} $PKG/usr/doc/$PRGNAM-$VERSION
chmod -x $PKG/usr/doc/$PRGNAM-$VERSION/*
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$NAME.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 -p $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz