#!/bin/sh

# Heavily based on the Slackware 13.37 SlackBuild (v1)

# Written by Andrea Sciucca ( gohanz at infinito.it)
# Last build from Savino Pio Liguori ( jimmy_page_89 AT hotmail DOT it )

# Slackware build script for chromium
# Official Site: http://www.chromium.org/

#
# 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 


PKGNAME=chromium
VERSION=${VERSION:-16.0.912.29}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
ARCH=${ARCH:-x86_64}
#SOURCE="http://build.chromium.org/buildbot/official/$PKGNAME-$VERSION.tar.bz2"
SOURCE="http://gsdview.appspot.com/chromium-browser-official/$PKGNAME-$VERSION.tar.bz2"
TAR=      # empty = auto
DIR=      # empty = auto



# If EULA
if [ -e EULA.TXT ];then
  more EULA.TXT
  echo "Do you accept terms? (yes/[no])"
  read ACCEPT
  if [ "$ACCEPT" != "yes" ];then
    echo; echo "SlackBuild Aborted!!"
    exit 1
  fi
fi



# Does not touch following if not needed
CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}
TAR=${TAR:-$(basename $SOURCE)}
DIR=${DIR:-$(echo "$TAR"|sed -r 's/(\.tar|)(.gz|.bz2|)$//')}

if [ ! -e "$CWD/$TAR" ];then
  wget "$SOURCE" -O "$CWD/$TAR"
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 -fno-ipa-cp"
  LIBDIRSUFFIX="64"
  CHOST="x86_64"
fi


### Preparing Source
rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
echo "Extracting source..."
tar xf $CWD/$TAR
cd $DIR

# Disable PAM support
#patch -p1 < $CWD/chromium-disable-pam.patch
patch -p1 < $CWD/nacl.patch
chown -R root:root .
chmod -R u+w,go+r-w,a-s .


# Building Chromium package

   build/gyp_chromium -f make build/all.gyp --depth=. \
    -Dgcc_version=45 \
    -Ddisable_nacl=1 \
    -Dno_strict_aliasing=1 \
    -Dwerror= \
    -Dlinux_sandbox_path=/usr/lib${LIBDIRSUFFIX}/$PKGNAME/chromium-sandbox \
    -Dlinux_strip_binary=1 \
    -Drelease_extra_cflags="${CFLAGS}" \
    -Dffmpeg_branding=Chrome \
    -Dproprietary_codecs=1 \
    -Duse_system_libjpeg=1 \
    -Duse_system_libxslt=0 \
    -Duse_system_libxml=0 \
    -Duse_system_bzip2=1 \
    -Duse_system_zlib=1 \
    -Duse_system_libpng=1 \
    -Duse_system_ffmpeg=0 \
    -Duse_system_yasm=1 \
    -Duse_system_libevent=1 \
    -Duse_system_ssl=0 \
    -Duse_gnome_keyring=0 \
    -Duse_kerberos=0 \
    -Dlinux_link_gnome_keyring=0 \
    $([ "${ARCH}" == 'i686' ] && echo '-Ddisable_sse2=1')

### Building Chrome executable
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
make chrome chrome_sandbox BUILDTYPE=Release

# Installing Chrome executable
install -m 0755 -D  out/Release/chrome $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/chromium


# Installing Chrome-Sandbox
install -m 4555 -o root -g root -D out/Release/chrome_sandbox \
     $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/chromium-sandbox

# Installing Chrome data
install -m 0644 -D out/Release/chrome.pak \
     $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/chrome.pak

# Installing resources 
install -m 0644 -D out/Release/resources.pak \
     $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/resources.pak

# Installing Chrome FFmpeg library
install -m 0755 -D out/Release/libffmpegsumo.so \
     $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/libffmpegsumo.so

# Installing resources 
cp -a out/Release/locales out/Release/resources \
    $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/


# Cleaning package
find $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAME/ -name '*.d' -type f -delete



# Installing manpage
install -m 0644 -D out/Release/chrome.1 \
    $PKG/usr/man/man1/$PKGNAME.1


# Installing desktop menu file
install -m 0644 -D $CWD/$PKGNAME.desktop \
    $PKG/usr/share/applications/$PKGNAME.desktop


# Installing icons directory
cd chrome/app/theme/chromium/
for res in 16 22 24 32 48 64 128 256 ;do
  dir=${PKG}/usr/share/icons/hicolor/${res}x${res}/apps
  mkdir -p ${dir}
  install -m0644 product_logo_${res}.png \
                 ${dir}/${PKGNAME}.png
done
cd - 

# Linking Chrome executable on default path 
mkdir -p $PKG/usr/bin
cd $PKG
  ln -s ../../usr/lib${LIBDIRSUFFIX}/chromium/chromium $PKG/usr/bin/chromium
  ln -s ../../usr/lib${LIBDIRSUFFIX}/chromium/chromium-sandbox $PKG/usr/bin/chromium-sandbox
cd -
chmod 755 $PKG/usr/bin/*





#Add documentation files: readme, changelog and so on
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
cp -r \
  [A-Z]* \
  $PKG/usr/doc/$PKGNAME-$VERSION
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/$PKGNAME.SlackBuild
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/slack-desc




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

# Strip binaries and shared objects, if present
( 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
[ -e $CWD/doinst.sh ] && cat $CWD/doinst.sh > $PKG/install/doinst.sh



# Find and print dependencies into slack-required file
cd $PKG
chown -R root:root $PKG
if [ -x /usr/bin/requiredbuilder ];then
  ADD=$(ls /var/log/packages/ | sed -rne 's/(seamonkey-solibs)-([^-]+-[^-]+-[^-]+)/\1 >= \2/p') \
  requiredbuilder -y -v -b -s  $CWD $PKG
fi
# Create txz package
## NOTE THE -p parameter
/sbin/makepkg -p -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}


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