then mv -f "$depbase.Tpo" "$depbase.Po"; else rm -f "$depbase.Tpo"; exit 1; fi In file included from ./../include/asio/io_service.hpp:29, from ./../include/asio/basic_io_object.hpp:20, from ./../include/asio/basic_socket.hpp:20, from ./../include/asio/basic_datagram_socket.hpp:25, from ./../include/asio.hpp:18, from tests/performance/client.cpp:11: ./../include/asio/detail/epoll_reactor_fwd.hpp:27:24: error: operator '>=' has no left operand make[3]: *** [tests/performance/client.o] Error 1 make[3]: Leaving directory `/usr/src/asio-0.3.8rc3/src'