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# Contributor: Anatol Pomozov <anatol.pomozov@gmail.com>
# Contributor: Bartłomiej Piotrowski <nospam@bpiotrowski.pl>
# Contributor: Kaiting Chen <kaitocracy@gmail.com>
# Contributor: tocer <tocer.deng@gmail.com>
# Contributor: David Flemström <david.flemstrom@gmail.com>
# Maintainer: Marco Pompili <aur@emarcs.org>

pkgname=v8
pkgver=5.7.441.1
pkgrel=1
pkgdesc="Fast and modern Javascript engine used in Google Chrome."
arch=('i686' 'x86_64')
url="https://code.google.com/p/v8/"
license=('BSD')
depends=('readline' 'icu')
makedepends=('clang>=3.8.1' 'clang-tools-extra>=3.8.1' 'python2' 'python2-virtualenv' 'ninja' 'git' 'wget')
conflicts=('v8-5.2' 'v8-3.14' 'v8-3.15' 'v8-3.20')
source=("depot_tools::git+https://chromium.googlesource.com/chromium/tools/depot_tools.git"
        "v8.pc"
        "v8_libbase.pc"
        "v8_libplatform.pc"
        "d8")

sha256sums=('SKIP'
            '3616bcfb15af7cd5a39bc0f223b2a52f15883a4bc8cfcfb291837c7421363d75'
            'efb37bd706e6535abfa20c77bb16597253391619dae275627312d00ee7332fa3'
            'ae23d543f655b4d8449f98828d0aff6858a777429b9ebdd2e23541f89645d4eb'
            '6abb07ab1cf593067d19028f385bd7ee52196fc644e315c388f08294d82ceff0')

case "$CARCH" in
  x86_64) V8_ARCH="x64" ;;
  i686) V8_ARCH="ia32" ;;
esac

OUTFLD=out.gn/Release

prepare() {
  msg2 "Creating Python Virtual Environment"
  virtualenv2 -q venv
  msg2 "Activating Python Virtual Environment"
  source venv/bin/activate > /dev/null
  msg2 "Installing dependencies in the Virtual Environment"
  pip install colorama -q
  pip install pylint -q
  pip install lazy-object-proxy -q
  pip install singledispatch -q
  pip install wrapt -q

  export PATH=`pwd`/depot_tools:"$PATH"
  export GYP_GENERATORS=ninja

  if [ ! -d "v8" ]; then
    msg2 "Fetching V8 code"
    yes | fetch v8
  fi

  cd v8

  if [ -f third_party/icu/BUILD.gn.orig ]
  then
      msg2 "Restoring bundled ICU build files for syncing"
      ./build/linux/unbundle/replace_gn_files.py --undo --system-libraries icu
  fi

  msg2 "Syncing"
  gclient sync --revision ${pkgver}

  msg2 "Using system libraries for ICU"
  ./build/linux/unbundle/replace_gn_files.py --system-libraries icu

  sed "s/@VERSION@/${pkgver}/g" -i "${srcdir}/v8.pc"
  sed "s/@VERSION@/${pkgver}/g" -i "${srcdir}/v8_libbase.pc"
  sed "s/@VERSION@/${pkgver}/g" -i "${srcdir}/v8_libplatform.pc"
}

build() {
  cd v8

  msg2 "Running GN..."
  ../depot_tools/gn gen $OUTFLD \
    -vv --fail-on-unused-args \
    --args='is_debug=false
    is_official_build=true
    is_clang=false
    use_sysroot=false
    clang_base_path="/usr"
    is_component_build=true
    v8_enable_i18n_support=true
    v8_use_external_startup_data=false'

  # Fixes bug in generate_shim_headers.py that fails to create these dirs
  mkdir -p "$OUTFLD/gen/shim_headers/icuuc_shim/third_party/icu/source/common/unicode/"
  mkdir -p "$OUTFLD/gen/shim_headers/icui18n_shim/third_party/icu/source/i18n/unicode/"

  msg2 "Building, this will take a while..."
  ninja -C $OUTFLD
}

check() {
  cd v8

  msg2 "Testing, this will take also a while..."
  tools/run-tests.py --no-presubmit \
                     --outdir=out.gn \
                     --buildbot \
                     --arch=$V8_ARCH \
                     --mode=Release
}

package() {
  cd v8

  install -d ${pkgdir}/usr/lib/v8

  install -Dm755 $OUTFLD/d8 ${pkgdir}/usr/lib/v8/d8

  install -Dm755 $OUTFLD/libv8.so ${pkgdir}/usr/lib/libv8.so
  install -Dm755 $OUTFLD/libv8_libbase.so ${pkgdir}/usr/lib/libv8_libbase.so
  install -Dm755 $OUTFLD/libv8_libplatform.so ${pkgdir}/usr/lib/libv8_libplatform.so

  install -Dm755 ${srcdir}/d8 ${pkgdir}/usr/bin/d8

  # V8 has several header files and ideally if it had its own folder in /usr/include
  # But doing it here will break all users. Ideally if they use provided pkgconfig file.
  install -d ${pkgdir}/usr/include
  install -Dm644 include/*.h ${pkgdir}/usr/include

  install -d ${pkgdir}/usr/lib/pkgconfig
  install -m644 $srcdir/v8.pc ${pkgdir}/usr/lib/pkgconfig
  install -m644 $srcdir/v8_libbase.pc ${pkgdir}/usr/lib/pkgconfig
  install -m644 $srcdir/v8_libplatform.pc ${pkgdir}/usr/lib/pkgconfig

  install -d ${pkgdir}/usr/share/licenses/v8
  install -m644 LICENSE* ${pkgdir}/usr/share/licenses/v8
}