#!/bin/sh

# Slackware build script for glest

# Copyright 2009 Larry Hajali <larryhaja[at]gmail[dot]com>
# 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 ''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=glest
VERSION=${VERSION:-3.2.2}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

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

# Decide if we install the editor as well. Default is no.
HAVE_WX=${HAVE_WX:-no}

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"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
mkdir $PRGNAM-$VERSION
cd $PRGNAM-$VERSION
unzip $CWD/${PRGNAM}_source_${VERSION}.zip

# Fix up files so they aren't in MS format.
# Taken from the glest slackbuild available
# at http://ftp.darkstarlinux.ro/.
find source mk docs -type f | while read FILE; do
  echo $FILE
  sed \
    -e 's|\x0D$||g' \
    < $FILE > $FILE.new
    mv -f $FILE.new $FILE
done

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 {} \;

# Allow glest to be built against xerces-c vs. 2.x or 3.x.
# From the gentoo guys. http://bugs.gentoo.org/show_bug.cgi?id=263217
patch -p0 < $CWD/patches/glest-xerces-c.patch
# Fix for the home directory. This gets rid of the wrapper script.
patch -p0 < $CWD/patches/glest-home-directory.patch
# Add support for the glest_g3dviewer for linux.
patch -p0 < $CWD/patches/g3d_viewer.patch
# Fix glest to build against newer glibc versions.
patch -p0 < $CWD/patches/glest-3.2.2-glibc210.patch
# Fix an innocuous version mismatch in configure.ac.
sed -i "s|3.1.2|${VERSION}|" mk/linux/configure.ac
# Fix the config file for languages.
sed -i 's|\.lng||' mk/linux/$PRGNAM.ini 2>/dev/null || true

# Determine if we compile against wxPython for the optional map editor.
if [ "$HAVE_WX" == "yes" ]; then
  unset USE_WX
else
  USE_WX="--with-wx-config=disabled_wx"
fi

cd mk/linux

  if [ ! -f configure ]; then
    chmod a+x autogen.sh
    ./autogen.sh
  else
    chmod +x configure
  fi

  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  ./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --enable-debug=no \
    --with-vorbis=/usr \
    --with-ogg=/usr \
    --with-x \
    --program-prefix="" \
    --program-suffix="" \
    $USE_WX \
    --build=$ARCH-slackware-linux

  jam -q

cd -

# Glest doesn't come with a nice installer. So we'll do it ourselves.
install -d -m 0755 $PKG/usr/{bin,share/$PRGNAM}
install -m 0755 mk/linux/$PRGNAM $PKG/usr/bin
install -m 0644 mk/linux/$PRGNAM.ini $PKG/usr/share/$PRGNAM
cp -ar source/glest_game/* $PKG/usr/share/$PRGNAM

# Install the editor if the user requests it.
if [ "${HAVE_WX}" == "yes" ]; then
  install -m 0755 mk/linux/${PRGNAM}_editor $PKG/usr/bin
  install -m 0755 mk/linux/${PRGNAM}_g3dviewer $PKG/usr/bin
fi

( 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
)

mkdir -p $PKG/usr/man/man6
install -m 0644 $CWD/$PRGNAM.6 $PKG/usr/man/man6
gzip -9 $PKG/usr/man/man?/*.?

# Make a desktop item.
mkdir -p $PKG/usr/share/{applications,pixmaps}
install -m 0644 $CWD/$PRGNAM.desktop $PKG/usr/share/applications/
install -m 0644 $CWD/$PRGNAM.xpm $PKG/usr/share/pixmaps/
if [ "${HAVE_WX}" == "yes" ]; then
  install -m 0644 $CWD/$PRGNAM-editor.desktop \
    $PKG/usr/share/applications/
  install -m 0644 $CWD/$PRGNAM-g3d-viewer.desktop \
    $PKG/usr/share/applications/
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a docs/* $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chmod 0644 $PKG/usr/doc/$PRGNAM-$VERSION/*

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}