Merge topic 'ExternalProject_labels'

93730bb3 ExternalProject: Set FOLDER property to targets
39ef8046 ExternalProject: Set LABELS property to targets

Modules/ExternalProject.cmake

@@ -1176,6 +1176,8 @@ function(ExternalProject_Add_StepTargets name)
     _ep_get_step_stampfile(${name} ${step} stamp_file)
     add_custom_target(${name}-${step}
       DEPENDS ${stamp_file})
+    set_property(TARGET ${name}-${step} PROPERTY LABELS ${name})
+    set_property(TARGET ${name}-${step} PROPERTY FOLDER "ExternalProjectTargets/${name}")
 
     # Depend on other external projects (target-level).
     get_property(deps TARGET ${name} PROPERTY _EP_DEPENDS)
@@ -1918,6 +1920,9 @@ function(ExternalProject_Add name)
   # argument was passed, we explicitly set it for the target.
   add_custom_target(${name} ALL DEPENDS ${complete_stamp_file})
   set_property(TARGET ${name} PROPERTY _EP_IS_EXTERNAL_PROJECT 1)
+  set_property(TARGET ${name} PROPERTY LABELS ${name})
+  set_property(TARGET ${name} PROPERTY FOLDER "ExternalProjectTargets/${name}")
+
   _ep_parse_arguments(ExternalProject_Add ${name} _EP_ "${ARGN}")
   _ep_set_directories(${name})
   _ep_get_step_stampfile(${name} "done" done_stamp_file)