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如何修复 CMake：The imported target "gRPC::grpc_cpp_plugin" references the file

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问题

在尝试构建依赖 gRPC 的 C++ 项目时，你可能会遇到以下错误：

cmake-grpc-cpp-plugin-error.txt
CMake Error at /usr/lib/x86_64-linux-gnu/cmake/grpc/gRPCTargets.cmake:194 (message):
  The imported target "gRPC::grpc_cpp_plugin" references the file

     "/usr/bin/grpc_cpp_plugin"

  but this file does not exist.  Possible reasons include:

  * The file was deleted, renamed, or moved to another location.

  * An install or uninstall procedure did not complete successfully.

  * The installation package was faulty and contained

     "/usr/lib/x86_64-linux-gnu/cmake/grpc/gRPCTargets.cmake"

  but not all the files it references.

Call Stack (most recent call first):
  /usr/lib/x86_64-linux-gnu/cmake/grpc/gRPCConfig.cmake:25 (include)
  CMakeLists.txt:37 (find_package)

解决方案

你需要安装 protobuf-compiler-grpc 以获取 grpc_cpp_plugin 可执行文件。可以使用以下命令安装：

install-protobuf-compiler-grpc.sh
sudo apt -y install protobuf-compiler-grpc
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