#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild (v1)

# Written by Tommaso D'Anna aka tasodan ( www.slacky.eu )
# Last build from Luca De Pandis aka atomix600 (atomix600(at)hotmail(dot)it)

# Slackware build script for tolua++
# Official Site: http://www.codenix.com/~tolua

# 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.

set -e
trap 'echo "$0 FAILED at line ${LINENO}"' ERR

PKGNAME=${PKGNAME:-tolua++}
VERSION=${VERSION:-1.0.93}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
PKGTYPE=${PKGTYPE:-txz}
SOURCE=${SOURCE:-http://www.codenix.com/~tolua/$PKGNAME-$VERSION.tar.bz2}

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

if [ ! -e $CWD/$PKGNAME-$VERSION.tar.bz2 ] ; then
  wget $SOURCE
fi

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

rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
tar xvf $CWD/$PKGNAME-$VERSION.tar.bz2
cd $PKGNAME-$VERSION
chmod -R u+w,go+r-w,a-s .
chown -R root:root .
sed -i "s|'/lib'|'/lib${LIBDIRSUFFIX}'|g" SConstruct
sed -i "s|\"$PKGNAME-1.0.92\"|\"$PKGNAME-$VERSION\"|" include/tolua++.h
cat >> custom.py << EOF
LIBS = ['lua', 'dl', 'm']
LIBPATH = ['/lib${LIBDIRSUFFIX}', '/usr/lib${LIBDIRSUFFIX}']
EOF
scons install \
  CCFLAGS="-I/usr/include $SLKCFLAGS -ansi -Wall" \
  prefix="$PKG/usr" \
  shared="TRUE"

mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
cp -a \
    COPYRIGHT INSTALL README* doc/* \
    $PKG/usr/doc/$PKGNAME-$VERSION
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/slack-desc

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

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
chown -R root:root $PKG

if [ -x "$(which requiredbuilder 2>/dev/null)" ];then
    requiredbuilder -y -v -s $CWD $PKG
fi

/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

if [ "$1" = "--cleanup" ]; then
    rm -rf $TMP
fi