#!/bin/bash

# Slackware build script for jogamp

# Copyright 2023 Giancarlo Dessì, Cagliari, IT
# 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 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=jogamp
VERSION=${VERSION:-2.4.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# The environment variable $JAVA_HOME is needed to pass the
# path of the JDK installed. This should be available as
# system environment variable. If not we have to pass it to
# the script manually
RTJAR=${RTJAR:-${JAVA_HOME}/lib/rt.jar}
if [ "$JAVA_HOME" = "" ]; then
	echo "* * * * * * * * * * *  WARNING  * * * * * * * * * * * *"
	echo "*                                                     *"
	echo "* CANNOT FIND THE HOME DIRECTORY OF JAVA SDK IN YOUR  *"
	echo "* SYSTEM. PLEASE LAUNCH THIS SCRIPT PASSING THE       *"
	echo "* ENVIRONMENT VARIABLE \$JAVA_HOME as following        *"
	echo "*                                                     *"
	echo "* \$JAVA_HOME=<path of your SDK> ./jogamp.SlackBuild   *"
	echo "*                                                     *"
	echo "* * * * * * * * * * * * * * * * * * * * * * * * * * * *"
	exit 
fi

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM
mkdir $PRGNAM
cd $PRGNAM
tar xvf $CWD/gluegen-v$VERSION.tar.xz
tar xvf $CWD/jcpp-v$VERSION.tar.xz
cp -a jcpp-v$VERSION/src gluegen-v$VERSION/jcpp/
mv gluegen-v$VERSION gluegen
tar xvf $CWD/jogl-v$VERSION.tar.xz
cp -a jcpp-v$VERSION/src jogl-v$VERSION/jcpp/
mv jogl-v$VERSION jogl
if [ "${JOAL:-yes}" = "yes" ]; then
   tar xvf $CWD/joal-v$VERSION.tar.xz
   cp -a jcpp-v$VERSION/src joal-v$VERSION/jcpp/
   mv joal-v$VERSION joal
fi
if [ "${JOCL:-no}" != "no" ]; then
   tar xvf $CWD/jocl-v$VERSION.tar.xz
   cp -a jcpp-v$VERSION/src jocl-v$VERSION/jcpp/
   mv jocl-v$VERSION jocl
fi

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

unset CLASSPATH
export SOURCE_LEVEL=1.8
export TARGET_LEVEL=1.8
export TARGET_RT_JAR=$RTJAR

echo "************ Building of gluegen module *********************" 
cd gluegen/make
ant clean
ant
ant junit.run

if [ "${JOAL}" != "no" ]; then
echo "************ Building of Joal module *********************"
   cd ../../joal/make
   ant clean
   ant
else 
echo "************ Bulding of Joal module skipped *******************"
fi

echo "************ Building of Jogl module *********************" 
cd ../../jogl/make
ant clean
ant

if [ "${JOCL}" = "yes" ]; then
echo "************ Building of Jocl module *********************"
   cd ../../jocl/make
   ant
else
echo "************ Bulding of Jocl module skipped *******************"
fi

cd ../../

# fix some bad perms in doc files that have to install
chmod 644 gluegen/LICENSE.txt joal/LICENSE.txt 

# Prepare the three of package
mkdir -p $PKG/usr/share/java
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/jogamp
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/gluegen
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/jogl
if [ "${JOAL}" != "no" ]; then
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/joal
fi
if [ "${JOCL}" = "yes" ]; then
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/jocl
fi

( cp -a gluegen/build/gluegen-rt.jar $PKG/usr/share/java )
( cp -a gluegen/build/obj/*.so $PKG/usr/lib${LIBDIRSUFFIX}/jogamp )
( cp -a gluegen/LICENSE.txt $PKG/usr/doc/$PRGNAM-$VERSION/gluegen )
if [ "${JOAL}" != "no" ]; then 
 ( cp -a joal/build/jar/joal.jar $PKG/usr/share/java )
 ( cp -a joal/build/obj/*.so $PKG/usr/lib${LIBDIRSUFFIX}/jogamp )
 ( cp -a joal/LICENSE.txt $PKG/usr/doc/$PRGNAM-$VERSION/joal )
 ( cp -a joal/README.txt $PKG/usr/doc/$PRGNAM-$VERSION/joal )
fi
( cp -a jogl/build/jar/jogl-all.jar $PKG/usr/share/java )
( cp -a jogl/build/lib/*.so $PKG/usr/lib${LIBDIRSUFFIX}/jogamp )
( cp -a jogl/LICENSE.txt $PKG/usr/doc/$PRGNAM-$VERSION/jogl )
( cp -a jogl/README.txt $PKG/usr/doc/$PRGNAM-$VERSION/jogl )
if [ "${JOCL}" = "yes" ]; then 
 ( cp -a jocl/build/jar/jocl.jar $PKG/usr/share/java )
 ( cp -a jocl/build/obj/*.so $PKG/usr/lib${LIBDIRSUFFIX}/jogamp )
 ( cp -a jocl/LICENSE.txt $PKG/usr/doc/$PRGNAM-$VERSION/jocl )
 ( cp -a jocl/README.txt $PKG/usr/doc/$PRGNAM-$VERSION/jocl )
fi

( cd $PKG/usr/share/java ; rm -f jogl.jar )
( cd $PKG/usr/share/java ; ln -sf jogl-all.jar jogl.jar )

rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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