yuan-luo opened a new issue #1392: URL: https://github.com/apache/incubator-brpc/issues/1392
**Describe the bug (描述bug)** 按照文档编译brpc https://github.com/apache/incubator-brpc/blob/master/docs/cn/getting_started.md 但是发生如下错误： ``` yluo@ubuntu:~/incubator-brpc$ sh config_brpc.sh --headers=/usr/include --libs=/usr/lib yluo@ubuntu:~/incubator-brpc$ make > Linking protoc-gen-mcpack g++ -o protoc-gen-mcpack -I./src -I/usr/include/ -L/usr/lib/x86_64-linux-gnu -std=c++0x -Xlinker "-(" src/idl_options.pb.cc src/mcpack2pb/generator.o libbrpc.a -Wl,-Bstatic -lgflags -lprotobuf -lleveldb -lsnappy -lprotoc -Wl,-Bdynamic -Xlinker "-)" -lpthread -lssl -lcrypto -ldl -lz -lrt /usr/bin/ld: libbrpc.a(logging.o): in function `_GLOBAL__sub_I_logging.cc': /home/yluo/incubator-brpc/src/butil/logging.cc:23: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: libbrpc.a(logging.o): in function `__static_initialization_and_destruction_0': /home/yluo/incubator-brpc/src/butil/logging.cc:119: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:121: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:124: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:126: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: libbrpc.a(logging.o):/home/yluo/incubator-brpc/src/butil/logging.cc:132: more undefined references to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' follow /usr/bin/ld: /tmp/ccBHCVLX.o: in function `ConvertibleIdlType_descriptor()': idl_options.pb.cc:(.text+0x26): undefined reference to `google::protobuf::internal::AssignDescriptors(google::protobuf::internal::DescriptorTable const*, bool)' /usr/bin/ld: /tmp/ccBHCVLX.o: in function `__static_initialization_and_destruction_0(int, int)': idl_options.pb.cc:(.text+0xc7): undefined reference to `google::protobuf::internal::AddDescriptorsRunner::AddDescriptorsRunner(google::protobuf::internal::DescriptorTable const*)' /usr/bin/ld: /tmp/ccBHCVLX.o:(.data.rel.ro+0x0): undefined reference to `descriptor_table_google_2fprotobuf_2fdescriptor_2eproto' collect2: error: ld returned 1 exit status make: *** [Makefile:241: protoc-gen-mcpack] Error 1 ``` **To Reproduce (复现方法)** ``` yluo@ubuntu:~$ sudo apt-get install -y git g++ make libssl-dev libgflags-dev libprotobuf-dev libprotoc-dev protobuf-compiler libleveldb-dev Reading package lists... Done Building dependency tree Reading state information... Done g++ is already the newest version (4:9.3.0-1ubuntu2). libleveldb-dev is already the newest version (1.22-3ubuntu2). libprotobuf-dev is already the newest version (3.6.1.3-2ubuntu5). libprotoc-dev is already the newest version (3.6.1.3-2ubuntu5). make is already the newest version (4.2.1-1.2). libgflags-dev is already the newest version (2.2.2-1build1). protobuf-compiler is already the newest version (3.6.1.3-2ubuntu5). git is already the newest version (1:2.25.1-1ubuntu3.1). libssl-dev is already the newest version (1.1.1f-1ubuntu2.3). 0 upgraded, 0 newly installed, 0 to remove and 63 not upgraded. yluo@ubuntu:~$ sudo apt-get install -y libsnappy-dev Reading package lists... Done Building dependency tree Reading state information... Done libsnappy-dev is already the newest version (1.1.8-1build1). 0 upgraded, 0 newly installed, 0 to remove and 63 not upgraded. yluo@ubuntu:~$ sudo apt-get install -y cmake libgtest-dev && cd /usr/src/gtest && sudo cmake . && sudo make && sudo mv libgtest* /usr/lib/ && cd - Reading package lists... Done Building dependency tree Reading state information... Done cmake is already the newest version (3.16.3-1ubuntu1). libgtest-dev is already the newest version (1.10.0-2). 0 upgraded, 0 newly installed, 0 to remove and 63 not upgraded. CMake Warning at CMakeLists.txt:54 (project): VERSION keyword not followed by a value or was followed by a value that expanded to nothing. -- Configuring done -- Generating done -- Build files have been written to: /usr/src/googletest/googletest [ 50%] Built target gtest [100%] Built target gtest_main mv: cannot stat 'libgtest*': No such file or directory yluo@ubuntu:/usr/src/gtest$ cd - /home/yluo yluo@ubuntu:~/incubator-brpc$ sh config_brpc.sh --headers=/usr/include --libs=/usr/lib yluo@ubuntu:~/incubator-brpc$ make > Linking protoc-gen-mcpack g++ -o protoc-gen-mcpack -I./src -I/usr/include/ -L/usr/lib/x86_64-linux-gnu -std=c++0x -Xlinker "-(" src/idl_options.pb.cc src/mcpack2pb/generator.o libbrpc.a -Wl,-Bstatic -lgflags -lprotobuf -lleveldb -lsnappy -lprotoc -Wl,-Bdynamic -Xlinker "-)" -lpthread -lssl -lcrypto -ldl -lz -lrt /usr/bin/ld: libbrpc.a(logging.o): in function `_GLOBAL__sub_I_logging.cc': /home/yluo/incubator-brpc/src/butil/logging.cc:23: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: libbrpc.a(logging.o): in function `__static_initialization_and_destruction_0': /home/yluo/incubator-brpc/src/butil/logging.cc:119: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:121: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:124: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: /home/yluo/incubator-brpc/src/butil/logging.cc:126: undefined reference to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' /usr/bin/ld: libbrpc.a(logging.o):/home/yluo/incubator-brpc/src/butil/logging.cc:132: more undefined references to `google::FlagRegisterer::FlagRegisterer(char const*, char const*, char const*, char const*, void*, void*)' follow /usr/bin/ld: /tmp/ccBHCVLX.o: in function `ConvertibleIdlType_descriptor()': idl_options.pb.cc:(.text+0x26): undefined reference to `google::protobuf::internal::AssignDescriptors(google::protobuf::internal::DescriptorTable const*, bool)' /usr/bin/ld: /tmp/ccBHCVLX.o: in function `__static_initialization_and_destruction_0(int, int)': idl_options.pb.cc:(.text+0xc7): undefined reference to `google::protobuf::internal::AddDescriptorsRunner::AddDescriptorsRunner(google::protobuf::internal::DescriptorTable const*)' /usr/bin/ld: /tmp/ccBHCVLX.o:(.data.rel.ro+0x0): undefined reference to `descriptor_table_google_2fprotobuf_2fdescriptor_2eproto' collect2: error: ld returned 1 exit status make: *** [Makefile:241: protoc-gen-mcpack] Error 1 ``` **Expected behavior (期望行为)** 编译正确 **Versions (各种版本)** OS: Ubuntu 20.04.2 LTS \n \l Compiler: gcc version 9.3.0 brpc: master protobuf: libprotobuf-dev is already the newest version (3.6.1.3-2ubuntu5). libprotoc-dev is already the newest version (3.6.1.3-2ubuntu5). **Additional context/screenshots (更多上下文/截图)** -- This is an automated message from the Apache Git Service. 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