find_package(Boost 1.55.0 MODULE COMPONENTS context chrono date_time filesystem program_options regex system thread REQUIRED ) find_package(DoubleConversion MODULE REQUIRED) find_package(gflags CONFIG) if(NOT TARGET gflags) find_package(GFlags MODULE REQUIRED) endif() find_package(glog CONFIG) if(NOT TARGET glog::glog) find_package(GLog MODULE REQUIRED) endif() find_package(Libevent CONFIG) if(NOT TARGET event) find_package(LibEvent MODULE REQUIRED) endif() find_package(OpenSSL MODULE REQUIRED) find_package(PThread MODULE)