Commit 3b484871 authored by Committed by Brad King
project: Add `DESCRIPTION` parameter
It is quite often the project description has used in a real world software. Examples include: * part of a help screen of the application * builtin resources (`*.rc` files, data for "About" dialog of a GUI app, & etc) * most generators for CPack can use it * it could be used by documentary software (Doxygen, Sphinx) which is usually integrated to CMake based projects via `add_custom_target()` Now `project()` call learned an optional `DESCRIPTION` parameter with a short string describing a project. Being specified, it would set the `PROJECT_DESCRIPTION` variable which could be used in `configure_file()` or whatever user wants. Also `PROJECT_DESCRIPTION` is a default value for `CPACK_PACKAGE_DESCRIPTION_SUMMARY`.
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