--- tools/lldb/source/Host/CMakeLists.txt.orig	2016-11-16 21:54:22.000000000 +1100
+++ tools/lldb/source/Host/CMakeLists.txt	2020-05-14 09:24:50.039179000 +1000
@@ -127,6 +127,14 @@
       linux/ThisThread.cpp
       )
 
+  elseif (CMAKE_SYSTEM_NAME MATCHES "BSDSUniX")
+    add_host_subdirectory(bsdsunix
+      bsdsunix/Host.cpp
+      bsdsunix/HostInfoBSDSUniX.cpp
+      bsdsunix/HostThreadBSDSUniX.cpp
+      bsdsunix/ThisThread.cpp
+      )
+
   elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
     add_host_subdirectory(freebsd
       freebsd/Host.cpp