Index: lldb/source/Plugins/Process/CMakeLists.txt
--- lldb/source/Plugins/Process/CMakeLists.txt.orig
+++ lldb/source/Plugins/Process/CMakeLists.txt
@@ -7,6 +7,9 @@ elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
 elseif (CMAKE_SYSTEM_NAME MATCHES "NetBSD")
   add_subdirectory(NetBSD)
   add_subdirectory(POSIX)
+elseif (CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+  add_subdirectory(OpenBSD)
+  add_subdirectory(POSIX)
 elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
   add_subdirectory(Windows/Common)
 elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
@@ -19,3 +22,4 @@ add_subdirectory(elf-core)
 add_subdirectory(mach-core)
 add_subdirectory(minidump)
 add_subdirectory(FreeBSDKernel)
+add_subdirectory(OpenBSDKernel)
