--- src/CMakeLists.txt.orig	2020-12-22 18:13:14.000000000 +1000
+++ src/CMakeLists.txt	2021-12-06 22:08:06.577497000 +1000
@@ -51,6 +51,8 @@
 	list(APPEND FIDO_SOURCES hid_openbsd.c hid_unix.c)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
 	list(APPEND FIDO_SOURCES hid_freebsd.c hid_unix.c)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "BSDSUniX")
+	list(APPEND FIDO_SOURCES hid_bsdsunix.c hid_unix.c)
 else()
 	message(FATAL_ERROR "please define a hid backend for your platform")
 endif()