| #!/bin/bash |
| # Copyright 2017 gRPC authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| set -ex |
| |
| cd "$(dirname "$0")/../../.." |
| |
| # Install openssl (to use instead of boringssl) |
| apt-get update && apt-get install -y libssl-dev |
| |
| # Install CMake 3.16 |
| apt-get update && apt-get install -y wget |
| wget -q -O cmake-linux.sh https://github.com/Kitware/CMake/releases/download/v3.16.1/cmake-3.16.1-Linux-x86_64.sh |
| sh cmake-linux.sh -- --skip-license --prefix=/usr |
| rm cmake-linux.sh |
| |
| # Build and install gRPC for the host architecture. |
| # We do this because we need to be able to run protoc and grpc_cpp_plugin |
| # while cross-compiling. |
| mkdir -p "cmake/build" |
| pushd "cmake/build" |
| cmake \ |
| -DCMAKE_BUILD_TYPE=Release \ |
| -DgRPC_INSTALL=ON \ |
| -DgRPC_BUILD_TESTS=OFF \ |
| -DgRPC_SSL_PROVIDER=package \ |
| ../.. |
| make -j4 install |
| popd |
| |
| # Download raspberry pi toolchain. |
| mkdir -p "/tmp/raspberrypi_root" |
| pushd "/tmp/raspberrypi_root" |
| git clone https://github.com/raspberrypi/tools raspberrypi-tools |
| cd raspberrypi-tools && git checkout 4a335520900ce55e251ac4f420f52bf0b2ab6b1f && cd .. |
| |
| # Write a toolchain file to use for cross-compiling. |
| cat > toolchain.cmake <<'EOT' |
| SET(CMAKE_SYSTEM_NAME Linux) |
| SET(CMAKE_SYSTEM_PROCESSOR arm) |
| set(devel_root /tmp/raspberrypi_root) |
| set(CMAKE_STAGING_PREFIX ${devel_root}/stage) |
| set(tool_root ${devel_root}/raspberrypi-tools/arm-bcm2708) |
| set(CMAKE_SYSROOT ${tool_root}/arm-rpi-4.9.3-linux-gnueabihf/arm-linux-gnueabihf/sysroot) |
| set(CMAKE_C_COMPILER ${tool_root}/arm-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc) |
| set(CMAKE_CXX_COMPILER ${tool_root}/arm-linux-gnueabihf/bin/arm-linux-gnueabihf-g++) |
| set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) |
| set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
| set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
| set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) |
| EOT |
| popd |
| |
| # Build and install gRPC for raspberry pi. |
| # This build will use the host architecture copies of protoc and |
| # grpc_cpp_plugin that we built earlier because we installed them |
| # to a location in our PATH (/usr/local/bin). |
| mkdir -p "cmake/raspberrypi_build" |
| pushd "cmake/raspberrypi_build" |
| cmake -DCMAKE_TOOLCHAIN_FILE=/tmp/raspberrypi_root/toolchain.cmake \ |
| -DCMAKE_BUILD_TYPE=Release \ |
| -DCMAKE_INSTALL_PREFIX=/tmp/raspberrypi_root/grpc_install \ |
| ../.. |
| make -j4 install |
| popd |
| |
| # Build helloworld example for raspberry pi. |
| # As above, it will find and use protoc and grpc_cpp_plugin |
| # for the host architecture. |
| mkdir -p "examples/cpp/helloworld/cmake/raspberrypi_build" |
| pushd "examples/cpp/helloworld/cmake/raspberrypi_build" |
| cmake -DCMAKE_TOOLCHAIN_FILE=/tmp/raspberrypi_root/toolchain.cmake \ |
| -DCMAKE_BUILD_TYPE=Release \ |
| -DProtobuf_DIR=/tmp/raspberrypi_root/stage/lib/cmake/protobuf \ |
| -DgRPC_DIR=/tmp/raspberrypi_root/stage/lib/cmake/grpc \ |
| ../.. |
| make |
| popd |