编译 grpc 错误 zlib_compress 和 zlib_decompress

Question

当我根据https://grpc.io/docs/languages/cpp/quickstart/编译grpc时，运行命令“make”后，遇到这样的错误信息：

Undefined symbols for architecture x86_64:
  "_deflate", referenced from:
      zlib_compress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_compress_gzip(grpc_stream_compression_context*, grpc_slice_buffer*, grpc_slice_buffer*, unsigned long*, unsigned long, grpc_stream_compression_flush) in libgrpc.a(stream_compression_gzip.cc.o)
      grpc_stream_compression_context_create_gzip(grpc_stream_compression_method) in libgrpc.a(stream_compression_gzip.cc.o)
  "_deflateEnd", referenced from:
      zlib_compress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_compression_context_destroy_gzip(grpc_stream_compression_context*) in libgrpc.a(stream_compression_gzip.cc.o)
  "_deflateInit2_", referenced from:
      zlib_compress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_compression_context_create_gzip(grpc_stream_compression_method) in libgrpc.a(stream_compression_gzip.cc.o)
  "_inflate", referenced from:
      zlib_decompress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_decompress_gzip(grpc_stream_compression_context*, grpc_slice_buffer*, grpc_slice_buffer*, unsigned long*, unsigned long, bool*) in libgrpc.a(stream_compression_gzip.cc.o)
      grpc_stream_compression_context_create_gzip(grpc_stream_compression_method) in libgrpc.a(stream_compression_gzip.cc.o)
      grpc_stream_compression_context_destroy_gzip(grpc_stream_compression_context*) in libgrpc.a(stream_compression_gzip.cc.o)
      gzip_flate(grpc_stream_compression_context_gzip*, grpc_slice_buffer*, grpc_slice_buffer*, unsigned long*, unsigned long, int, bool*) in libgrpc.a(stream_compression_gzip.cc.o)
  "_inflateEnd", referenced from:
      zlib_decompress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_compression_context_destroy_gzip(grpc_stream_compression_context*) in libgrpc.a(stream_compression_gzip.cc.o)
  "_inflateInit2_", referenced from:
      zlib_decompress(grpc_slice_buffer*, grpc_slice_buffer*, int) in libgrpc.a(message_compress.cc.o)
      grpc_stream_compression_context_create_gzip(grpc_stream_compression_method) in libgrpc.a(stream_compression_gzip.cc.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [libgrpc_csharp_ext.15.0.0.dylib] Error 1
make[1]: *** [CMakeFiles/grpc_csharp_ext.dir/all] Error 2
make: *** [all] Error 2

Answer 1

我错过了 git clone 三十方/zlib 的任务失败，我很抱歉。 在构建 grpc 时，我遇到错误消息：

1. gRPC_ABSL_PROVIDER 是“模块”但 ABSL_ROOT_DIR 错误 解决方法：参考https://github.com/spack/spack/issues/15619和https://github.com/spack/spack/pull/16052 在 grpc 文件夹下，运行以下命令

        git submodule update --init

然后

cd ./cmake/build

并运行以下命令

    cmake -DgRPC_INSTALL=ON \
          -DgRPC_BUILD_TESTS=OFF \
          -DCMAKE_INSTALL_PREFIX=$MY_INSTALL_DIR \
          ../..

1. 三十方zlib git clone 失败导致cmake失败，只需进入三十方文件夹即可

cd thirty-party/

和

git clone https://github.com/madler/zlib

1. third_party/abseil-cpp 编译失败，因为它的 CMakeList.txt 需要添加一行，即

set(CMAKE_CXX_FLAGS "-std=c++11")

在开始但在 cmake_minimum_required(***) 之后。 参考https://www.jianshu.com/p/08fdf54fbf43

4. 安装abseil-cpp时遇到问题： cmake_install.cmake:53（文件）处的 CMake 错误： 文件无法创建目录：/lib/cmake/absl。也许需要管理权限。 这是因为我取消了 MY_INSTALL_DIR。也许你改变了窗口，在那个窗口，你不导出 MY_INSTALL_DIR