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-rw-r--r--Help/manual/cmake-buildsystem.7.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Help/manual/cmake-buildsystem.7.rst b/Help/manual/cmake-buildsystem.7.rst
index 2e6a803..65d87bf 100644
--- a/Help/manual/cmake-buildsystem.7.rst
+++ b/Help/manual/cmake-buildsystem.7.rst
@@ -136,6 +136,12 @@ indirectly by using an :ref:`Interface Library <Interface Libraries>`
whose :prop_tgt:`INTERFACE_SOURCES` target property is set to name
``$<TARGET_OBJECTS:objlib>``.
+Although object libraries may not be used as the ``TARGET``
+in a use of the :command:`add_custom_command(TARGET)` command signature,
+the list of objects can be used by :command:`add_custom_command(OUTPUT)` or
+:command:`file(GENERATE)` by using ``$<TARGET_OBJECTS:objlib>``.
+
+
Build Specification and Usage Requirements
==========================================