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-rw-r--r--Help/manual/cmake-buildsystem.7.rst7
1 files changed, 6 insertions, 1 deletions
diff --git a/Help/manual/cmake-buildsystem.7.rst b/Help/manual/cmake-buildsystem.7.rst
index 357aae9..bc633e6 100644
--- a/Help/manual/cmake-buildsystem.7.rst
+++ b/Help/manual/cmake-buildsystem.7.rst
@@ -80,6 +80,10 @@ regardless of the library type. The ``MODULE`` library type is
dissimilar in that it is generally not linked to -- it is not used in
the right-hand-side of the :command:`target_link_libraries` command.
It is a type which is loaded as a plugin using runtime techniques.
+If the library does not export any unmanaged symbols (e.g. Windows
+resource DLL, C++/CLI DLL), it is required that the library not be a
+``SHARED`` library because CMake expects ``SHARED`` libraries to export
+at least one symbol.
.. code-block:: cmake
@@ -781,7 +785,8 @@ An *archive* output artifact of a buildsystem target may be:
* On DLL platforms: the import library file (e.g. ``.lib``) of a shared
library target created by the :command:`add_library` command
- with the ``SHARED`` option.
+ with the ``SHARED`` option. This file is only guaranteed to exist if
+ the library exports at least one unmanaged symbol.
* On DLL platforms: the import library file (e.g. ``.lib``) of an
executable target created by the :command:`add_executable` command