Build failed. `gflags` has not been declared.

[fanzeyi]

[ 71%] Building CXX object CMakeFiles/ConnectionManagerTest.dir/acceptor/test/ConnectionManagerTest.cpp.o
/home/vagrant/wangle/wangle/acceptor/test/ConnectionManagerTest.cpp: In function ‘int main(int, char**)’:
/home/vagrant/wangle/wangle/acceptor/test/ConnectionManagerTest.cpp:202:3: error: ‘gflags’ has not been declared
   gflags::ParseCommandLineFlags(&argc, &argv, true);
   ^
make[2]: *** [CMakeFiles/ConnectionManagerTest.dir/acceptor/test/ConnectionManagerTest.cpp.o] Error 1
make[1]: *** [CMakeFiles/ConnectionManagerTest.dir/all] Error 2
make: *** [all] Error 2

Workaround

Add #include <gflags/gflags.h> to wangle/acceptor/test/ConnectionManagerTest.cpp.

[ZJU-PLP]

good point！！！