gflags: gflags (C++ library) gflags: gflags: The gflags package contains a C++ library that implements gflags: commandline flags processing. It includes built-in support for gflags: standard types such as string and the ability to define flags in the gflags: source file in which they are used. gflags: gflags: gflags: gflags: Online documentation available at: gflags: https://gflags.github.io/gflags/