Merge topic 'cpack2'

ca9bd43f2d Help: Duplicate essential information on install paths in CPack.

Acked-by: Kitware Robot <[email protected]>
Merge-request: !4987

Modules/CPack.cmake

@@ -22,9 +22,13 @@ section below for details.
 The generated binary installers will contain all files that have been installed
 via CMake's :command:`install` command (and the deprecated commands
 :command:`install_files`, :command:`install_programs`, and
-:command:`install_targets`).  Certain kinds of binary installers can be
-configured such that users can select individual application components to
-install.  See the :module:`CPackComponent` module for further details.
+:command:`install_targets`). Note that the ``DESTINATION`` option of the
+:command:`install` command must be a relative path; otherwise installed files
+are ignored by CPack.
+
+Certain kinds of binary installers can be configured such that users can select
+individual application components to install.  See the :module:`CPackComponent`
+module for further details.
 
 Source packages (configured through ``CPackSourceConfig.cmake`` and generated
 by the :cpack_gen:`CPack Archive Generator`) will contain all source files in