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#!/bin/sh
# Slackware build script for xgalaga++
# Written by Larry Hajali <larryhaja[at]gmail[dot]com>

PRGNAM=xgalaga++
VERSION=${VERSION:-0.8}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

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

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 . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Apply some patches
patch -p1 < $CWD/patches/Makefile.patch
patch -p1 < $CWD/patches/misc_code_fixups.patch
patch -p1 < $CWD/patches/fixup_includes.patch
patch -p1 < $CWD/patches/xgalaga++.desktop.patch
patch -p1 < $CWD/patches/xgalaga++.xpm.patch

mv $PRGNAM.6x $PRGNAM.6

make all CXXFLAGS="$SLKCFLAGS" OPTIMISE_OPTS="-fomit-frame-pointer"
make install DESTDIR=${PKG}

# Don't clobber an existing scorefile
mv $PKG/var/games/xgalaga++/xgalaga++.scores \
  $PKG/var/games/xgalaga++/xgalaga++.scores.new

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | \
    xargs strip --strip-unneeded 2> /dev/null
)

gzip -9 $PKG/usr/man/man?/*.?

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/COPYING > $PKG/usr/doc/$PRGNAM-$VERSION/COPYING
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.tgz