#!/bin/bash
# Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020  Eric Hameleers, Eindhoven, The Netherlands
# 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.
#
# modified for Slackel,Salix by Dimitris Tzemos (dijemos@gmail.com)
#

CWD=$(pwd)

NAME1=openjdk
NAME2=openjre
MAJORVER=17
MINORVER=0
SECURITYVER=3
UPDATEVER=7
VERSION=${MAJORVER}.${MINORVER}.${SECURITYVER}.u${UPDATEVER}
SRCVERSION=jdk-${MAJORVER}.${MINORVER}.${SECURITYVER}+${UPDATEVER}
PKGVERSION=jdk${MAJORVER}u-jdk-${MAJORVER}.${MINORVER}.${SECURITYVER}-${UPDATEVER}
BUILD=${BUILD:-1}
PACKAGER=${PACKAGER:-dj}

NUMJOBS=${NUMJOBS:-" -j$(grep -c ^processor /proc/cpuinfo 2>/dev/null) "}

wget -c https://github.com/openjdk/jdk${MAJORVER}u/archive/jdk-${MAJORVER}.${MINORVER}.${SECURITYVER}+${UPDATEVER}.tar.gz

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm; echo "$ARCH is not supported, aborting."; exit 1 ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

TARGET=$ARCH-slackware-linux

# Establishment tmp directory for
TMP=${TMP:-/tmp}
PKG1=$TMP/package-$NAME1
PKG2=$TMP/package-$NAME2
rm -rf $PKG1 $PKG2
mkdir -p $PKG1 $PKG2

# Delete a directory previous build / create new and change rights
cd $TMP
rm -rf ${PKGVERSION}
tar xvf $CWD/${SRCVERSION}.tar.?z* || exit 1
cd ${PKGVERSION} || exit 1
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -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 {} \;

case "${ARCH}" in
  x86_64) _JARCH='x86_64';;
  i586)   _JARCH='x86';;
  i686)   _JARCH='x86';;
esac
	
IMGDIR=build/linux-${_JARCH}-server-release/images

NUM_PROC_OPT=''
NUMJOBS_J=$(echo ${NUMJOBS} | sed -En 's/.*-j([0-9]+).*/\1/p')
if [ -n "${NUMJOBS_J}" ]; then
    # http://hg.openjdk.java.net/jdk10/jdk10/file/85e6cb013b98/make/InitSupport.gmk#l105
    echo "Removing '-j${NUMJOBS_J}' from MAKEFLAGS to prevent build fail. Passing it directly to ./configure."
    export NUMJOBS=${NUMJOBS/-j${NUMJOBS_J}/}
    NUM_PROC_OPT="--with-jobs=${NUMJOBS_J}"
fi

unset CFLAGS
unset CXXFLAGS
unset LDFLAGS

VARIANTS='server'

# Configuration
_CFLAGS="$SLKCFLAGS -fcommon" \
_CXXFLAGS="$SLKCFLAGS -fcommon" \
_LDFLAGS="${LDFLAGS}" \
bash configure \
    --with-version-build="${UPDATEVER}" \
    --with-version-pre="" \
    --with-version-opt="" \
    --with-stdc++lib=dynamic \
    --with-extra-cflags="${_CFLAGS}" \
    --with-extra-cxxflags="${_CXXFLAGS}" \
    --with-extra-ldflags="${_LDFLAGS}" \
    --with-libjpeg=system \
    --with-giflib=system \
    --with-libpng=system \
    --with-lcms=system \
    --with-zlib=system \
    --enable-unlimited-crypto \
    --disable-warnings-as-errors \
    --with-jvm-variants=$VARIANTS \
    ${NUM_PROC_OPT}
    #--disable-javac-server

# Compilation
make images legacy-jre-image || exit 1

# https://bugs.openjdk.java.net/browse/JDK-8173610
find ${IMGDIR} -iname '*.so' -exec chmod +x {} \;

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

# Move the generated jre and sdk images to the respective packages:
mkdir -p $PKG1/usr/lib${LIBDIRSUFFIX} $PKG2/usr/lib${LIBDIRSUFFIX}/java
cp -a $IMGDIR/jdk \
  $PKG1/usr/lib${LIBDIRSUFFIX}/java
find $PKG1/usr/lib${LIBDIRSUFFIX}/java/ -iname '*.debuginfo' -exec rm {} +;
cp -a $IMGDIR/jre \
  $PKG2/usr/lib${LIBDIRSUFFIX}/java/jre
find $PKG2/usr/lib${LIBDIRSUFFIX}/java/jre -iname '*.debuginfo' -exec rm {} +;

# Generate a cacerts file from the certificates installed through our
# ca-certificates package - the "cacerts" in the OpenJDK sources is empty.
# This will only work if we already have a proper JDK/JRE installed:
if which keytool 1>/dev/null 2>&1 ; then
  mkdir certgen
  ( cd certgen
    cp $CWD/scripts/generate-cacerts.pl .
    for cert in /usr/share/ca-certificates/*/*.crt; do
      openssl x509 -text -in "${cert}" >> all.crt
    done
    perl generate-cacerts.pl keytool all.crt
    install -p -m0644 cacerts $PKG1/usr/lib${LIBDIRSUFFIX}/java/lib/security
    install -p -m0644 cacerts $PKG2/usr/lib${LIBDIRSUFFIX}/java/jre/lib/security
  )
else
  echo "** Not installing a proper cacerts file !"
  echo "** Missing keytool program (do you really have a Java installed?)"
fi

# Symlinks are present in Slackware historically:
( cd $PKG1/usr/lib${LIBDIRSUFFIX}
  ln -sf java jdk${VERSION}
) || exit 1
( cd $PKG2/usr/lib${LIBDIRSUFFIX}/java
  ln -sf jre jre${VERSION}
) || exit 1

# Add the profile scripts:
mkdir -p $PKG1/etc/profile.d $PKG2/etc/profile.d
for file in $(ls $CWD/profile.d/openjdk*) ; do
  cat $file | sed -e "s#lib/java#lib${LIBDIRSUFFIX}/java#" \
    > $PKG1/etc/profile.d/$(basename $file)
done
for file in $(ls $CWD/profile.d/openjre*) ; do
  cat $file | sed -e "s#lib/java#lib${LIBDIRSUFFIX}/java#" \
    > $PKG2/etc/profile.d/$(basename $file)
done
chmod 755 $PKG1/etc/profile.d/* $PKG2/etc/profile.d/*

# Compress manual pages:
find $PKG1/usr/lib${LIBDIRSUFFIX}/java/man -type f -exec gzip -9 {} \;
for i in $( find $PKG1/usr/lib${LIBDIRSUFFIX}/java/man -type l ) ; do
  ln -s $( readlink $i ).gz $i.gz
  rm $i
done
find $PKG2/usr/lib${LIBDIRSUFFIX}/java/jre/man -type f -exec gzip -9 {} \;
for i in $( find $PKG2/usr/lib${LIBDIRSUFFIX}/java/jre/man -type l ) ; do
  ln -s $( readlink $i ).gz $i.gz
  rm $i
done

for s in 16 24 32 48; do
  install -vDm644 src/java.desktop/unix/classes/sun/awt/X11/java-icon${s}.png \
   $PKG1/usr/share/icons/hicolor/${s}x${s}/apps/java.png
done

for s in 16 24 32 48; do
  install -vDm644 src/java.desktop/unix/classes/sun/awt/X11/java-icon${s}.png \
   $PKG2/usr/share/icons/hicolor/${s}x${s}/apps/java.png
done

# Create some necessary symlinks:
( cd $PKG1/usr/lib$LIBDIRSUFFIX
ln -sf java/lib/libjawt.so
ln -sf java/lib/server/libjvm.so
ln -sf java/lib/libjava.so
ln -sf java/lib/libawt.so
ln -sf java/lib/libawt_xawt.so
ln -sf java/lib/libverify.so
)

# Create some necessary symlinks:
( cd $PKG2/usr/lib$LIBDIRSUFFIX
ln -sf java/jre/lib/libjawt.so
ln -sf java/jre/lib/server/libjvm.so
ln -sf java/jre/lib/libjava.so
ln -sf java/jre/lib/libawt.so
ln -sf java/jre/lib/libawt_xawt.so
ln -sf java/jre/lib/libverify.so
)

# Copy docs
mkdir -vpm755 $PKG1/usr/doc/$NAME1-$VERSION
cp -fav ${TMP}${PKGVERSION} \
  LICENSE README \
  $PKG1/usr/doc/$NAME1-$VERSION/
cat $CWD/${NAME1}${MAJORVER}.SlackBuild > $PKG1/usr/doc/$NAME1-$VERSION/${NAME1}${MAJORVER}.SlackBuild
mkdir -vpm755 $PKG2/usr/doc/$NAME2-$VERSION
cp -fav ${TMP}${PKGVERSION} \
  LICENSE README \
  $PKG2/usr/doc/$NAME2-$VERSION/
cat $CWD/${NAME1}${MAJORVER}.SlackBuild > $PKG2/usr/doc/$NAME2-$VERSION/${NAME1}${MAJORVER}.SlackBuild

# Create desktop entries (Thanks BLFS):
mkdir -p $PKG1/usr/share/applications
cat > $PKG1/usr/share/applications/openjdk-java.desktop << EOF
[Desktop Entry]
Name=OpenJDK Java ${VERSION} Runtime
Comment=OpenJDK Java ${VERSION} Runtime
Exec=/usr/lib${LIBDIRSUFFIX}/java/bin/java -jar
Terminal=false
Type=Application
Icon=java
MimeType=application/x-java-archive;application/java-archive;application/x-jar;
NoDisplay=true
EOF

cat > $PKG1/usr/share/applications/openjdk-jconsole.desktop << EOF
[Desktop Entry]
Name=OpenJDK Java ${VERSION} Console
Comment=OpenJDK ${VERSION} Console
Keywords=java;console;monitoring
Exec=/usr/lib${LIBDIRSUFFIX}/java/bin/jconsole
Terminal=false
Type=Application
Icon=java
Categories=Application;System;
EOF

# Create desktop entries (Thanks BLFS):
mkdir -p $PKG2/usr/share/applications
cat > $PKG2/usr/share/applications/openjre-java.desktop << EOF
[Desktop Entry]
Name=OpenJRE Java ${VERSION} Runtime
Comment=OpenJRE Java ${VERSION} Runtime
Exec=/usr/lib${LIBDIRSUFFIX}/java/jre/bin/java -jar
Terminal=false
Type=Application
Icon=java
MimeType=application/x-java-archive;application/java-archive;application/x-jar;
NoDisplay=true
EOF

# Description and installation script
mkdir -p $PKG1/install $PKG2/install
cat $CWD/slack-desc.jdk > $PKG1/install/slack-desc
#zcat $CWD/doinst.sh.gz > $PKG1/install/doinst.sh
cat $CWD/slack-desc.jre > $PKG2/install/slack-desc
#zcat $CWD/doinst.sh.gz  > $PKG2/install/doinst.sh

# Package creation
cd $PKG1
makepkg -l y -c n $CWD/${NAME1}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.txz
md5sum $CWD/${NAME1}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.txz > $CWD/${NAME1}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.md5
cd $PKG2
makepkg -l y -c n $CWD/${NAME2}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.txz
md5sum $CWD/${NAME2}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.txz > $CWD/${NAME2}-${VERSION}-${ARCH}-${BUILD}${PACKAGER}.md5