add dummy target to catkin_EXPORTED_TARGETS if empty (fix #453)

ros · Jul 1, 2013 · 9e0eab7 · 9e0eab7
1 parent 936b5fe
commit 9e0eab7
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/README.rst b/README.rst
@@ -7,4 +7,4 @@ to build some parts of `ROS <http://www.ros.org>`_
 Documentation
 -------------
 
-http://ros.org/doc/groovy/api/catkin/html/
+http://ros.org/doc/api/catkin/html/
diff --git a/cmake/catkinConfig.cmake.in b/cmake/catkinConfig.cmake.in
@@ -89,6 +89,14 @@ endforeach()
 list_insert_in_workspace_order(catkin_INCLUDE_DIRS ${catkin_INCLUDE_DIRS})
 list_insert_in_workspace_order(catkin_LIBRARY_DIRS ${catkin_LIBRARY_DIRS})
 
+# add dummy target to catkin_EXPORTED_TARGETS if empty
+if(NOT catkin_EXPORTED_TARGETS)
+  if(NOT TARGET _catkin_empty_exported_target)
+    add_custom_target(_catkin_empty_exported_target)
+  endif()
+  list(APPEND catkin_EXPORTED_TARGETS _catkin_empty_exported_target)
+endif()
+
 # decrement recursion counter
 math(EXPR _CATKIN_FIND_ "${_CATKIN_FIND_} - 1")