--- tools/lldb/tools/lldb-server/CMakeLists.txt.orig	2017-01-10 20:40:38.000000000 +1100
+++ tools/lldb/tools/lldb-server/CMakeLists.txt	2020-05-14 09:07:46.272368000 +1000
@@ -6,6 +6,14 @@
   )
 endif ()
 
+if ( CMAKE_SYSTEM_NAME MATCHES "BSDSUniX" )
+include_directories(
+  ../../../../llvm/include
+  ../../source/Plugins/Process/BSDSUniX
+  ../../source/Plugins/Process/POSIX
+  )
+endif ()
+
 if ( CMAKE_SYSTEM_NAME MATCHES "FreeBSD" )
 include_directories(
   ../../../../llvm/include
@@ -123,7 +131,7 @@
 endif()
 
 # On FreeBSD/NetBSD backtrace() is provided by libexecinfo, not libc.
-if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "NetBSD")
+if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR CMAKE_SYSTEM_NAME MATCHES "BSDSUniX" OR CMAKE_SYSTEM_NAME MATCHES "NetBSD")
   list(APPEND LLDB_SYSTEM_LIBS execinfo)
 endif()