===================================================
add_custom_target without new line [function_calls]
===================================================

add_custom_target(OUTPUT somefile)

---

(source_file
 (normal_command
  (identifier)
  (argument (unquoted_argument))
  (argument (unquoted_argument))
 )
 )

================================================
add_custom_target with new line [function_calls]
================================================

add_custom_target(
  OUTPUT somefile)

---

(source_file
 (normal_command
  (identifier)
  (argument (unquoted_argument))
  (argument (unquoted_argument))
 )
 )
