endpoint
../boost/cobalt/io/endpoint.hpp:175:52: warning: unused parameter ???proto??? [-Wunused-parameter]
main
../libs/cobalt/test/main.cpp:10:33: warning: unused parameter ???argc??? [-Wunused-parameter]
../libs/cobalt/test/main.cpp:10:45: warning: unused parameter ???argv??? [-Wunused-parameter]
pipe
../boost/test/tools/old/impl.hpp:107:17: warning: comparison of integer expressions of different signedness: ???const long unsigned int??? and ???const int??? [-Wsign-compare]