Ubuntu 22 EC2实例中gRPC构建中断问题求助

环境 #

• AWS EC2实例（Ubuntu 22系统）

执行操作 #

$ cd grpc
$ mkdir -p cmake/build
$ pushd cmake/build
$ cmake -DgRPC_INSTALL=ON \
      -DgRPC_BUILD_TESTS=OFF \
      -DCMAKE_INSTALL_PREFIX=$MY_INSTALL_DIR \
      ../..
$ make -j 4

构建输出 #

[ 42%] Built target flags
Consolidate compiler generated dependencies of target grpc_unsecure
[ 42%] Building CXX object CMakeFiles/grpc_unsecure.dir/src/core/ext/filters/channel_idle/channel_idle_filter.cc.o
[ 42%] Building CXX object CMakeFiles/grpc.dir/src/core/ext/filters/client_channel/client_channel.cc.o
[ 42%] Building CXX object CMakeFiles/grpc.dir/src/core/ext/filters/client_channel/client_channel_channelz.cc.o
[ 42%] Linking CXX static library libprotoc.a
[ 45%] Built target libprotoc
[ 45%] Building CXX object third_party/abseil-cpp/absl/flags/CMakeFiles/flags_usage_internal.dir/internal/usage.cc.o
In file included from /home/ubuntu/.local/grpc/src/core/ext/filters/channel_idle/channel_idle_filter.cc:43:
/home/ubuntu/.local/grpc/src/core/lib/promise/loop.h:121:31: warning: attribute ignored in declaration of ‘union grpc_core::promise_detail::Loop<F>::<unnamed>’ [-Wattributes]
  121 |   GPR_NO_UNIQUE_ADDRESS union { GPR_NO_UNIQUE_ADDRESS PromiseType promise_; };
      |                               ^
/home/ubuntu/.local/grpc/src/core/lib/promise/loop.h:121:31: note: attribute for ‘union grpc_core::promise_detail::Loop<F>::<unnamed>’ must follow the ‘union’ keyword
[ 45%] Building CXX object CMakeFiles/grpc.dir/src/core/ext/filters/client_channel/client_channel_factory.cc.o
[ 45%] Linking CXX static library libabsl_flags_usage_internal.a
[ 45%] Built target flags_usage_internal
[ 45%] Building CXX object CMakeFiles/grpc_plugin_support.dir/src/compiler/cpp_generator.cc.o

中断原因分析 #

输出里的GPR_NO_UNIQUE_ADDRESS相关提示只是编译警告，不会直接终止构建。实际导致中断的常见原因有以下几种：

• EC2实例资源耗尽：make -j4启用了4个并发编译进程，如果你的EC2实例内存或CPU性能有限，高并发编译可能触发OOM（内存不足），系统会直接杀死编译进程。可以尝试降低并发数，比如改用make -j2甚至单进程make编译。

• gRPC子模块未完整拉取：gRPC依赖abseil-cpp等第三方子模块，如果克隆仓库时没加--recurse-submodules参数，子模块代码不完整会导致编译到中途失败。回到grpc根目录执行git submodule update --init --recursive补全所有子模块，再重新执行cmake和make。

• 系统编译依赖缺失：Ubuntu 22系统可能缺少必要的编译工具或依赖库，比如cmake版本过低、C++编译器不兼容，或者缺少libssl-dev、zlib1g-dev这类基础库。先执行sudo apt update && sudo apt install build-essential cmake libssl-dev zlib1g-dev补全依赖，再重新尝试编译。

内容的提问来源于stack exchange，提问作者박진혁