Index: src/plugins/qmldesigner/qmldesignercore.cmake
--- src/plugins/qmldesigner/qmldesignercore.cmake.orig
+++ src/plugins/qmldesigner/qmldesignercore.cmake
@@ -423,7 +423,7 @@ function(extend_with_qmldesigner_core target_name)
   )
 
   extend_qtc_target(${target_name}
-    CONDITION UNIX AND NOT APPLE
+    CONDITION UNIX AND (NOT APPLE) AND (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") 
     DEPENDS rt
   )
 
