#!/bin/bash
# $Id: tigervnc.SlackBuild,v 1.8 2012/06/23 19:37:20 root Exp $
# Copyright 2010, 2011, 2012  Eric Hameleers, Eindhoven. NL
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:         Eric Hameleers <alien@slackware.com>
# For:        tigervnc
# Descr:      VNC server and client
# URL:        http://tigervnc.org/
# Needs:      jdk (only during building the java applet)
#             libjpeg-turbo (only during compilation of the vncviewer)
# Changelog:  
# r4126-1:    31/Aug/2010 by Eric Hameleers <alien@slackware.com>
#             * Initial build.
# r4126-2:    02/sep/2010 by Eric Hameleers <alien@slackware.com>
#             * Fix a syntax error in thye doinst.sh script
# 1.0.90-1:   14/may/2011 by Eric Hameleers <alien@slackware.com>
#             * Update to 1.1.beta1
# 1.1.0-1:    14/nov/2011 by Eric Hameleers <alien@slackware.com>
#             * Update to 1.1.0
# 1.2.0-1:    23/jun/2012 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 
# Run 'sh tigervnc.SlackBuild' to build a Slackware package.
# The package (.txz) and .txt file as well as build logs are created in /tmp .
# Install it using 'installpkg'. 
#
# -----------------------------------------------------------------------------

PRGNAM=tigervnc
VERSION=${VERSION:-1.2.0}
BUILD=${BUILD:-1}
NUMJOBS=${NUMJOBS:" -j4 "}
TAG=${TAG:-alien}

# Do we build the java applet (needs jdk)?
DO_APPLET=${DO_APPLET:-"YES"}

# TigerVNC needs to use source of the X.Org server whose version matches
# that of your installed X.Org package:
XORG=${XORG:-$(X -version 2>&1 | grep "^X.Org X Server " | cut -f4 -d' ')}
PATCHVER="$(echo $XORG | cut -f1,2 -d. | tr -d '.')"

# OS Stamp into the binaries:
OSNAME="Slackware 13.37"
OSVENDOR="Slackware Linux Project"
BUILDER="Built by Alien BOB on $(date -u)"

# This covers most filenames you'd want as documentation. Change if needed.
DOCS="BUILDING.txt LICENCE.TXT README.txt doc/TODO doc/*.txt doc/*.odt"
DOCS_XORG="COPYING ChangeLog"

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

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# If you want automatic download to work, supply a URL for 'SRCURL' below:
SOURCE[0]="$SRCDIR/${PRGNAM}-${VERSION}.tar.gz"
SRCURL[0]="http://downloads.sourceforge.net/$PRGNAM/${PRGNAM}-${VERSION}.tar.gz"

SOURCE[1]="$SRCDIR/xorg-server-${XORG}.tar.gz"
SRCURL[1]="http://xorg.freedesktop.org/releases/individual/xserver/xorg-server-${XORG}.tar.gz"

# Use the src_checkout() function if no downloadable tarball exists.
# This function checks out sources from SVN/CVS and creates a tarball of them.
src_checkout() {
  # Param #1 : index in the SOURCE[] array.
  # Param #2 : full path to where SOURCE[$1] tarball should be created.
  # Determine the tarball extension:
  PEXT=$(echo "${2}" | sed -r -e 's/.*[^.].(tar.xz|tar.gz|tar.bz2|tgz).*/\1/')
  case "$PEXT" in
    "tar.xz") TARCOMP="J" ;;
    "tar.gz") TARCOMP="z" ;;
    "tgz") TARCOMP="z" ;;
    "tar.bz2") TARCOMP="j" ;;
    *) echo "Archive can only have extension 'tar.xz', '.tar.gz' '.tar.bz2' or '.tgz'" ; exit 1 ;;
  esac
  case ${1} in
  0) # This example assumes a SVN checkout:
     if [ "$(echo ${VERSION}|cut -c1)" == 'r' ]; then # revision instead of date
       REV=$(echo ${VERSION} | cut -c2-)
     else
       REV="{${VERSION}}"
     fi
     mkdir $PRGNAM-${VERSION} \
       && cd $PRGNAM-${VERSION} \
       && svn checkout  --revision $REV https://tigervnc.svn.sourceforge.net/svnroot/tigervnc/trunk/ . \
       && find . -type d -name '.svn' -depth | xargs rm -rf \
       && chown -R root:root . \
       && cd .. \
       && tar -${TARCOMP}cf ${2} $PRGNAM-${VERSION}
     rm -rf $PRGNAM-${VERSION}
     ;;
  *) # Do nothing
     ;;
  esac
}

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i486 ;;
    armv7hl) export ARCH=$MARCH ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  esac
fi

case "$ARCH" in
  i486)      SLKCFLAGS="-O2 -march=i486 -mtune=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  armv7hl)   SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  *)         SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
esac

case "ARCH" in
    arm*) TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)    TARGET=$ARCH-slackware-linux ;;
esac

# 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          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # 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 $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
rm -rf $OUTPUT/{configure,make,install,error,makepkg}-$PRGNAM.log
                          # remove old log files

# Source file availability:
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  if ! [ -f ${SOURCE[$i]} ]; then
    echo "Source '$(basename ${SOURCE[$i]})' not available yet..."
    # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
    [ -w "$SRCDIR" ] || SOURCE[$i]="$OUTPUT/$(basename ${SOURCE[$i]})"
    if [ -f ${SOURCE[$i]} ]; then echo "Ah, found it!"; continue; fi
    if ! [ "x${SRCURL[$i]}" == "x" ]; then
      echo "Will download file to $(dirname $SOURCE[$i])"
      wget -nv -T 20 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || true
      if [ $? -ne 0 -o ! -s "${SOURCE[$i]}" ]; then
        echo "Fail to download '$(basename ${SOURCE[$i]})'. Aborting the build."
        mv -f "${SOURCE[$i]}" "${SOURCE[$i]}".FAIL
        exit 1
      fi
    else
      # Try if we have a SVN/CVS download routine for ${SOURCE[$i]}
      echo "Will checkout sources to $(dirname $SOURCE[$i])"
      src_checkout $i "${SOURCE[$i]}" \
        2>&1 > $OUTPUT/checkout-$(basename ${SOURCE[$i]}).log
    fi
    if [ ! -f "${SOURCE[$i]}" -o ! -s "${SOURCE[$i]}" ]; then
      echo "File '$(basename ${SOURCE[$i]})' not available. Aborting the build."
      exit 1
    fi
  fi
done

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

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

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  tar -xvf ${SOURCE[$i]}
done
cd ${PRGNAM}-${VERSION}
chmod -R u+w,go+r-w,a+X-s .
chown -R root:root .

echo Building ...
export LDFLAGS="$SLKLDFLAGS"
export CXXFLAGS="$SLKCFLAGS"
export CFLAGS="$SLKCFLAGS"

[ "$DO_APPLET" = "YES" ] && CMAKE_JAVA="ON" || CMAKE_JAVA="OFF"
# Explicitly put the java applet into a directory named 'tigervnc':
sed -i -e 's#/vnc/class#/tigervnc/class#'g $(grep -rl vnc/class .)
sed -i -e 's#DESTINATION vnc/class#DESTINATION share/tigervnc/class#'g $(grep -rl vnc/class .)

echo -e "\n*** Building tigervnc ***\n"
mkdir -p build
cd build
  cmake \
    -G "Unix Makefiles" \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DMAN_INSTALL_DIR=/usr/man \
    -DSYSCONF_INSTALL_DIR=/etc \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    -DENABLE_PAM:BOOL=OFF \
    -DBUILD_JAVA:BOOL=${CMAKE_JAVA} \
    -DJPEG_INCLUDE_DIR=/usr/include/libjpeg-turbo \
    -DJPEG_LIBRARY=/usr/lib${LIBDIRSUFFIX}/libjpeg-turbo/libjpeg.a \
    ..
  make $NUMJOBS 2>&1 | tee $OUTPUT/make-${PRGNAM}.log
  make DESTDIR=$PKG install 2>&1 | tee $OUTPUT/install-${PRGNAM}.log
cd -

# Do we have a patch for X.Org which tigervnc does not have?
if [ ! -f unix/xserver${PATCHVER}.patch -a -f $SRCDIR/xserver${PATCHVER}.patch ]
then
  cp $SRCDIR/xserver${PATCHVER}.patch unix/
fi

# Prepare the Xvnc sources (we are building out-of-tree, in ./build directory):
mkdir -p build/unix
cp -R unix/xserver unix/xserver${PATCHVER}.patch build/unix/
cp -R ../xorg-server-${XORG}/* build/unix/xserver/

cd build/unix/xserver/
  # Patch the xorg-server source to include building vnc driver:
  cat ../xserver${PATCHVER}.patch | patch -p1 --verbose \
    2>&1 | tee $OUTPUT/patch-$PRGNAM.log
  echo -e "\n*** Building xserver ***\n"
  autoreconf -vif 2>&1 | tee $OUTPUT/configure-${PRGNAM}.log

  # Default font paths to be used by the X server
  DEF_FONTPATH="/usr/share/fonts/local,/usr/share/fonts/TTF,/usr/share/fonts/OTF,/usr/share/fonts/Type1,/usr/share/fonts/misc,/usr/share/fonts/CID,/usr/share/fonts/75dpi/:unscaled,/usr/share/fonts/100dpi/:unscaled,/usr/share/fonts/75dpi,/usr/share/fonts/100dpi,/usr/share/fonts/cyrillic"

  ./configure \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --sysconfdir=/etc \
    --localstatedir=/var \
    --mandir=/usr/man \
    --disable-static \
    --disable-config-dbus --disable-config-hal --disable-config-udev \
    --disable-xorg --disable-xnest --disable-xvfb --disable-dmx \
    --disable-xwin --disable-xephyr --disable-kdrive --disable-xinerama \
    --disable-composite --disable-dri --disable-dri2 \
    --enable-install-libxf86config \
    --enable-xcsecurity \
    --enable-glx-tls \
    --with-pic \
    --with-int10=x86emu \
    --with-default-font-path="${DEF_FONTPATH}" \
    --with-module-dir=/usr/lib${LIBDIRSUFFIX}/xorg/modules \
    --with-xkb-path=/etc/X11/xkb \
    --with-xkb-output=/var/lib/xkb \
    --with-os-name="$OSNAME" \
    --with-os-vendor="$OSVENDOR" \
    --with-builderstring="$BUILDER" \
    --build=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}.log

  make TIGERVNC_SRCDIR="$TMP/tmp-$PRGNAM/${PRGNAM}-${VERSION}" $NUMJOBS \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}.log
  make TIGERVNC_SRCDIR="$TMP/tmp-$PRGNAM/${PRGNAM}-${VERSION}" -C hw/vnc \
    DESTDIR=$PKG install 2>&1 | tee -a $OUTPUT/install-${PRGNAM}.log
cd -

# Create .png icons from the .svg file:
make -C media 2>&1 | tee -a $OUTPUT/make-${PRGNAM}.log

# Install menu entry:
mkdir -p $PKG/usr/share/{applications,icons/hicolor/{16x16,24x24,32x32,48x48}/apps}
for PSIZE in 16 24 32 48; do
  install -m644 media/icons/tigervnc_${PSIZE}.png \
    $PKG/usr/share/icons/hicolor/${PSIZE}x${PSIZE}/apps/tigervnc.png 
done
cat <<EOT > $PKG/usr/share/applications/tigervnc.desktop
[Desktop Entry]
Encoding=UTF-8
Name=TigerVNC
GenericName=VNCViewer (RFB Client)
Comment=Connect to remote desktop
SwallowExec=
Exec=vncviewer
MimeType=
Icon=tigervnc
Path=
TerminalOptions=
Terminal=false
Type=Application
Categories=Network;
StartupWMClass=VNC Viewer: Connection Details
EOT

# Add this to the doinst.sh:
! [ -d $PKG/install ] && mkdir -p $PKG/install
cat <<EOT >> $PKG/install/doinst.sh
# Update the desktop database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database usr/share/applications 1>/dev/null 2>&1
fi

# Update the mime database:
if [ -x usr/bin/update-mime-database ]; then
  chroot . /usr/bin/update-mime-database usr/share/mime 1>/dev/null 2>&1
fi

# Update hicolor theme cache:
if [ -d usr/share/icons/hicolor ]; then
  if [ -x usr/bin/gtk-update-icon-cache ]; then
    chroot . /usr/bin/gtk-update-icon-cache -f -t usr/share/icons/hicolor 1> /dev/null 2> /dev/null
  fi
fi

EOT

# Add documentation:
# First, remove files which were misplaced:
rm -f $PKG/usr/doc/*
cd $TMP/tmp-$PRGNAM/${PRGNAM}-${VERSION}
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
for FIL in $(echo $DOCS_XORG); do cp -a build/unix/xserver/$FIL $PKG/usr/doc/$PRGNAM-$VERSION/${FIL}.xorg ; done || 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 {} \;

# Compress the man page(s):
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

# 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
if [ -f $SRCDIR/doinst.sh ]; then
  cat $SRCDIR/doinst.sh >> $PKG/install/doinst.sh
fi

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
if [ -f $PKG/install/slack-required ]; then
  cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.dep
fi

# Restore the original umask:
umask ${_UMASK_}