# Maintainer: Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
# Contributor: Aleksey Filippov <sarum9in@gmail.com>
# Contributor: Victor Aurélio Santos <victoraur.santos@gmail.com>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - explicitly link v5/v6 with libatomic

pkgbase='grpc'
pkgname=('grpc' 'python-grpcio' 'php-grpc' 'grpc-cli')
pkgver=1.33.2
_gtestver=c9ccac7cb7345901884aabf5d1a786cfa6e2f397
_abseilcppver=20200225.2
pkgrel=1
pkgdesc="High performance, open source, general RPC framework that puts mobile and HTTP/2 first."
arch=('x86_64')
url='https://grpc.io'
license=('BSD')
makedepends=('re2' 're2c' 'protobuf' 'php' 'c-ares' 'openssl' 'chrpath' 'gflags' 'cython' 'cmake' 'benchmark')
source=("https://github.com/grpc/grpc/archive/v$pkgver/$pkgbase-$pkgver.tar.gz"
        "https://github.com/google/googletest/archive/$_gtestver/googletest-$_gtestver.tar.gz"
        "https://github.com/abseil/abseil-cpp/archive/$_abseilcppver/abseil-cpp-$_abseilcppver.tar.gz"
        "https://patch-diff.githubusercontent.com/raw/grpc/grpc/pull/24450/grpcio-system-re2.patch"
        "https://patch-diff.githubusercontent.com/raw/grpc/grpc/pull/24449/grpcio-no-boringssl-fix.patch"
        "atomic.patch")
sha256sums=('2060769f2d4b0d3535ba594b2ab614d7f68a492f786ab94b4318788d45e3278a'
            '443d383db648ebb8e391382c0ab63263b7091d03197f304390baac10f178a468'
            'f41868f7a938605c92936230081175d1eae87f6ea2c248f41077c8f88316f111'
            '21524e855406ad0c5f8f1af24fd8b25653298430adf11ea26b96b472b8f2073a'
            'a105e796854fb726908a0b6f5501d50478f52afad6ed3e8aeffe5d30b855aead'
            '2f1285c8874cad70a7e1800f80b1673e8a1b7e2ff11f1f3e198063988cc5ab06')

prepare() {
  cd "$srcdir/$pkgbase-$pkgver"
  patch -p1 -i ../grpcio-system-re2.patch
  patch -p1 -i ../grpcio-no-boringssl-fix.patch

  ln -sf "$srcdir/googletest-$_gtestver/"{googlemock,googletest} \
    third_party/googletest

  rm -rf third_party/abseil-cpp
  ln -s "$srcdir/abseil-cpp-$_abseilcppver/" third_party/abseil-cpp

  sed '/TARGET gflags::gflags/i \  set(_gRPC_GFLAGS_LIBRARIES gflags)' -i cmake/gflags.cmake

  mkdir build

  if [[ $CARCH == "armv6h" || $CARCH == "arm" ]]; then
    sed -i -e "s/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} rt m pthread)/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} atomic rt m pthread)/g" CMakeLists.txt

    cd "$srcdir/abseil-cpp-$_abseilcppver"
    patch -p1 -i ../atomic.patch
  fi
}

build() {
  cd "$srcdir/$pkgbase-$pkgver/build"
  cmake \
    -DCMAKE_BUILD_TYPE=None \
    -DCMAKE_CXX_FLAGS="${CXXFLAGS} -DNDEBUG" \
    -DgRPC_INSTALL=ON \
    -DBUILD_SHARED_LIBS=ON \
    -DgRPC_BUILD_TESTS=ON \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DgRPC_CARES_PROVIDER=package \
    -DgRPC_PROTOBUF_PROVIDER=package \
    -DgRPC_SSL_PROVIDER=package \
    -DgRPC_ZLIB_PROVIDER=package \
    -DgRPC_GFLAGS_PROVIDER=package \
    -DgRPC_RE2_PROVIDER=package \
    -DgRPC_BENCHMARK_PROVIDER=package \
    ..

  make
  export LDFLAGS="$LDFLAGS -L$PWD"

  # PHP
  cd "$srcdir/$pkgbase-$pkgver/src/php/ext/$pkgbase"
  phpize
  ./configure --enable-grpc="$srcdir/$pkgbase-$pkgver"
  make

  # Python
  cd "$srcdir/$pkgbase-$pkgver"
  GRPC_PYTHON_BUILD_WITH_CYTHON=1 \
  GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1 \
  GRPC_PYTHON_BUILD_SYSTEM_ZLIB=1 \
  GRPC_PYTHON_BUILD_SYSTEM_CARES=1 \
  GRPC_PYTHON_BUILD_SYSTEM_RE2=1 \
  GRPC_BUILD_WITH_BORING_SSL_ASM=0 \
  python setup.py build
}

package_grpc() {
  depends=('c-ares' 'protobuf' 'openssl' 're2')

  cd "$srcdir/$pkgbase-$pkgver/build"
  make DESTDIR="$pkgdir" install
  install -Dm644 ../LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}

package_python-grpcio() {
  pkgdesc='Python language bindings for grpc, remote procedure call (RPC) framework'
  depends=('c-ares' 'python' 're2')

  cd "$srcdir/$pkgbase-$pkgver"
  python setup.py install -O1 --skip-build --root="$pkgdir"
  install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}

package_php-grpc() {
  pkgdesc='gRPC module for PHP'
  depends=('grpc' 'php')
  backup=('etc/php/conf.d/grpc.ini')

  # Install PHP extension.
  cd "$srcdir/$pkgbase-$pkgver/src/php/ext/$pkgbase"
  make install "INSTALL_ROOT=$pkgdir"
  install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE

  # Remove RPATH
  chrpath -d "$pkgdir/usr/lib/php/modules/grpc.so"

  echo ';extension=grpc.so' >grpc.ini
  install -Dm644 grpc.ini "$pkgdir/etc/php/conf.d/grpc.ini"
}

package_grpc-cli() {
  pkgdesc='gRPC protocol buffers cli'
  depends=('grpc' 'gflags')

  cd "$srcdir/$pkgbase-$pkgver"
  install -dm0755 "$pkgdir/usr/lib"
  cp -a build/libgrpc++_test_config.so* "$pkgdir/usr/lib/"
  install -Dm0755 build/grpc_cli "$pkgdir/usr/bin/grpc_cli"
  install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}