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-rw-r--r--CMakeLists.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 966d396b..3fdafc62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -333,7 +333,9 @@ else ()
nng_check_sym(backtrace_symbols_fd execinfo.h NNG_HAVE_BACKTRACE)
nng_check_struct_member(msghdr msg_control sys/socket.h NNG_HAVE_MSG_CONTROL)
nng_check_sym(eventfd sys/eventfd.h NNG_HAVE_EVENTFD)
- nng_check_sym(kqueue sys/event.h NNG_HAVE_KQUEUE)
+ # While some systems (NetBSD) have kqueue, our use depends on EVFILT_USER
+ # This means that NetBSD and OpenBSD will be stuck with poll().
+ nng_check_sym(EVFILT_USER sys/event.h NNG_HAVE_KQUEUE)
nng_check_sym(port_create port.h NNG_HAVE_PORT_CREATE)
nng_check_sym(epoll_create sys/epoll.h NNG_HAVE_EPOLL)
nng_check_sym(epoll_create1 sys/epoll.h NNG_HAVE_EPOLL_CREATE1)