#!/bin/sh

# SlackBuild script for "Battle of Wesnoth".

# Copyright 2007-2010  Michiel van Wessem, Manchester, United Kingdom
# Copyright 2010-2013 Willy Sudiarto Raharjo, Jogja, Indonesia (willysr@slackware-id.org)
# All  rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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 COPYRIGHT
# OWNER OR CONTRIBUTORS 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=wesnoth
SRCNAM=wesnoth
VERSION=${VERSION:-1.12.1}
BUILD=${BUILD:-1}
NUMJOBS=${NUMJOBS:"-j8"}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

DOCS="COPYING"

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PRGNAM
OUTPUT=$TMP/$PRGNAM-${VERSION}
#OUTPUT=${OUTPUT:-/tmp}
SERVER=${SERVER:-"no"}
SOURCE="$SRCDIR/${SRCNAM}-${VERSION}.tar.xz"

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O3 -march=amdfam10"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O3 -march=native -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

if [ "$SERVER" = "yes" ]; then
  BUILDSERVER="\
    -DENABLE_CAMPAIGN_SERVER=yes \
    -DSERVER_UID=229 \
    -DSERVER_GID=229 "
else
  BUILDSERVER="-DENABLE_SERVER=off"
fi

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $OUTPUT/*

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP
echo "Extracting the source archive(s) for $PRGNAM..."
tar -xvf ${SOURCE}
cd ${SRCNAM}-${VERSION}
chown -R root:root .
chmod -R u+w,go+r-w,a+X-s .

# This patch should be enabled when you used GCC 4.7.0 or above
patch -p0 < $SRCDIR/terrain_translation.patch

# amdfam10 patch
# zcat $SRCDIR/CMakeLists.txt-amdfam10.diff.gz | patch -p1 || exit 1

# fix configure error during strict checks
zcat $SRCDIR/CMake-strict.diff.gz | patch -p1 || exit 1

# add missing -lboost_system to cutter link.txt
#zcat $SRCDIR/cutter-link.diff.gz | patch -p1 || exit 1

#CFLAGS="$SLKCFLAGS" \
#CXXFLAGS="$SLKCFLAGS" \

# Fix build problem on future GCC 4.8.0
# sed -i 's/-Werror//' CMakeLists.txt

echo Building ...
mkdir -p build
cd build

CFLAGS="$SLKCFLAGS" CXXFLAGS="$SLKCFLAGS" cmake \
 -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
 -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
 -DCMAKE_BUILD_TYPE=release \
 -DCMAKE_INSTALL_PREFIX:PATH=/usr \
 -DMANDIR:PATH=/usr/man \
 -DENABLE_TOOLS=on \
 -DENABLE_STRICT_COMPILATION=off \
 -DENABLE_NOTIFICATIONS=off \
 $BUILDSERVER \
..


# add missing -lboost_system to cutter link.txt
sed -i 's/-lSDL_image/-lSDL_image -lboost_system/' src/CMakeFiles/cutter.dir/link.txt
sed -i 's/-lSDL_image/-lSDL_image -lboost_system/' src/CMakeFiles/exploder.dir/link.txt

CFLAGS="$SLKCFLAGS" CXXFLAGS="$SLKCFLAGS" VERBOSE=1 make $NUMJOBS 2>&1 | tee $OUTPUT/make-${PRGNAM}.log
make DESTDIR=$PKG install 2>&1 | tee $OUTPUT/install-${PRGNAM}.log
cd -

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

# Strip binaries (if any):
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $TMP/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.${PKGTYPE:-txz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log

cd $TMP
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.${PKGTYPE:-txz}.md5

#cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $TMP/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.txt

# Restore the original umask:
umask ${_UMASK_}