diff --git a/doc/cmake.dox b/doc/cmake.dox index c9d2c9b33..b4e0bd4d4 100644 --- a/doc/cmake.dox +++ b/doc/cmake.dox @@ -65,16 +65,17 @@ separate them with semicolons. @section cmake-subproject Using Magnum as a CMake subproject -A self-contained alternative to the above is adding Corrade and Magnum -repositories into your project (as a Git submodule, bundling a downloaded -archive etc.) and use @cb{.cmake} add_subdirectory() @ce. With that approach -you don't need to care about `FindCorrade.cmake` / `FindMagnum.cmake`, however -the usual tradeoffs when bundling code apply --- slower full rebuilds, IDEs -having more to parse etc. In this case, the -@ref building-features "build-time options" are @cmake set() @ce before -the @cmake add_subdirectory() @ce call. Note that, unless you require CMake -3.13 at least, it's needed to use the `CACHE ... FORCE` arguments -[in order to have the options set properly](https://cmake.org/cmake/help/latest/policy/CMP0077.html). For example: +A self-contained alternative to a shared instance of the libraries, is to add +the repositories directly into your project (as Git submodules, bundling +downloaded archives etc.), and then to use CMake's @cb{.cmake} add_subdirectory() @ce +command to compile them on demand. With this approach, you don't need to care +about manually installing Magnum and Corrade, however the usual tradeoffs when +bundling code apply --- slower full rebuilds, IDEs having more to parse etc. In +this case, @ref building-features "build-time options" can be @cmake set() @ce +before calling @cmake add_subdirectory() @ce. Note that, unless you require +CMake 3.13 at least, it's necessary to use the `CACHE ... FORCE` arguments +[in order to have the options set properly](https://cmake.org/cmake/help/latest/policy/CMP0077.html). +For example: @code{.cmake} add_subdirectory(corrade EXCLUDE_FROM_ALL) # so only things you use are built @@ -85,7 +86,9 @@ add_subdirectory(magnum EXCLUDE_FROM_ALL) find_package(Magnum REQUIRED ...) # see below @endcode -Note that the @cb{.cmake} find_package() @ce call is needed in both the +Note that the use of @cb{.cmake} add_subdirectory() @ce does not replace the +configuration necessary for an installed version of Magnum. The `modules/` +directory and calls to @cb{.cmake} find_package() @ce are needed in both the installed and the subproject case for a properly configured environment. To simplify your project setup, the subproject globally configures