-if ($config{HAS_EPOLL} = run_test 'epoll', test_header($config{CXX}, 'sys/epoll.h')) {
- $config{SOCKETENGINE} //= 'epoll';
-}
-
-if ($config{HAS_KQUEUE} = run_test 'kqueue', test_file($config{CXX}, 'kqueue.cpp')) {
- $config{SOCKETENGINE} //= 'kqueue';
-}
-
-if ($config{HAS_PORTS} = run_test 'Solaris IOCP', test_header($config{CXX}, 'port.h')) {
- $config{SOCKETENGINE} //= 'ports';
-}
-
-if ($config{HAS_POLL} = run_test 'poll', test_header($config{CXX}, 'poll.h')) {
- $config{SOCKETENGINE} //= 'poll';
-}
-
-# Select is available on all platforms
-$config{HAS_SELECT} = 1;
-$config{SOCKETENGINE} //= 'select';
+my @socketengines;
+push @socketengines, 'epoll' if run_test 'epoll', test_header $config{CXX}, 'sys/epoll.h';
+push @socketengines, 'kqueue' if run_test 'kqueue', test_file $config{CXX}, 'kqueue.cpp';
+push @socketengines, 'poll' if run_test 'poll', test_header $config{CXX}, 'poll.h';
+push @socketengines, 'select';