-DWITH_GLOG=ON 开启后，link 报错

[ivanallen]

Describe the bug (描述bug)

[100%] Linking CXX executable ../output/bin/protoc-gen-mcpack
cd brpc/1.7.0/source/brpc/build_07a8f21d/src && cmake -E cmake_link_script CMakeFiles/protoc-gen-mcpack.dir/link.txt --verbose=1
/opt/rh/gcc-toolset-12/root/usr/bin/c++    -DBRPC_WITH_GLOG=1 -DBRPC_WITH_RDMA=0 -DGFLAGS_NS=google -DBTHREAD_USE_FAST_PTHREAD_MUTEX -D__const__=__unused__ -D_GNU_SOURCE -DUSE_SYMBOLIZE -DNO_TCMALLOC -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DBRPC_REVISION=\"1.7.0\|HEAD\|65e6e76\|2023-10-22T19:06:26+08:00\" -D__STRICT_ANSI__   -O2 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-invalid-offsetof -Wno-unused-parameter -fno-omit-frame-pointer -msse4 -msse4.2 -Wno-aligned-new -DNDEBUG -O2 -g -DNDEBUG -lz -rdynamic "CMakeFiles/protoc-gen-mcpack.dir/mcpack2pb/generator.cpp.o" -o ../output/bin/protoc-gen-mcpack  ../output/lib/libbrpc.a /packages/g/gflags/v2.2.2/0f545414272c459b907061d5e923ed20/lib/libgflags.a /packages/p/protobuf-cpp/3.15.8/752e7d0cb4e5451faf923a9904438974/lib/libprotobuf.a /packages/l/leveldb/1.23/0197f88191c248fda41eca3afbed88d6/lib/libleveldb.a /packages/p/protobuf-cpp/3.15.8/752e7d0cb4e5451faf923a9904438974/lib/libprotoc.a -lcrypto -ldl -lz -lssl /packages/g/glog/0.6.0/61aa77d3b3d14acdb81c3d203236d31f/lib/libglog.a /packages/s/snappy/1.1.8/c105db593d9c43e99ba18ab81549619c/lib/libsnappy.a -lrt -lpthread
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: /packages/g/glog/0.6.0/61aa77d3b3d14acdb81c3d203236d31f/lib/libglog.a(logging.cc.o): in function `_GLOBAL__sub_I_logging.cc':
logging.cc:(.text.startup+0x289): undefined reference to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)'
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: logging.cc:(.text.startup+0x2fb): undefined reference to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)'
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: logging.cc:(.text.startup+0x36d): undefined reference to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)'
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: logging.cc:(.text.startup+0x3e0): undefined reference to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)'
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: logging.cc:(.text.startup+0x453): undefined reference to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)'
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: /packages/g/glog/0.6.0/61aa77d3b3d14acdb81c3d203236d31f/lib/libglog.a(logging.cc.o):logging.cc:(.text.startup+0x4c5): more undefined references to `google::FlagRegisterer::FlagRegisterer<bool>(char const*, char const*, char const*, bool*, bool*)' follow
/opt/rh/gcc-toolset-12/root/usr/libexec/gcc/x86_64-redhat-linux/12/ld: /packages/g/glog/0.6.0/61aa77d3b3d14acdb81c3d203236d31f/lib/libglog.a(logging.cc.o): in function `_GLOBAL__sub_I_logging.cc':
logging.cc:(.text.startup+0x566): undefined reference to `google::FlagRegisterer::FlagRegisterer<int>(char const*, char const*, char const*, int*, int*)'

To Reproduce (复现方法)

Expected behavior (期望行为)

Versions (各种版本)
OS:
Compiler:
brpc:
protobuf:

Additional context/screenshots (更多上下文/截图)

[yanglimingcn]

看上去是gflag的定义找不到了

[ivanallen]

看上去是gflag的定义找不到了

链接顺序不对。