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Diffstat (limited to 'Help/variable/CMAKE_PROJECT_DESCRIPTION.rst')
| -rw-r--r-- | Help/variable/CMAKE_PROJECT_DESCRIPTION.rst | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/Help/variable/CMAKE_PROJECT_DESCRIPTION.rst b/Help/variable/CMAKE_PROJECT_DESCRIPTION.rst index f1911ec..6db5b9e 100644 --- a/Help/variable/CMAKE_PROJECT_DESCRIPTION.rst +++ b/Help/variable/CMAKE_PROJECT_DESCRIPTION.rst @@ -1,7 +1,35 @@ CMAKE_PROJECT_DESCRIPTION ------------------------- -The description of the current project. +The description of the top level project. -This specifies description of the current project from the closest inherited -:command:`project` command. +This variable holds the description of the project as specified in the top +level CMakeLists.txt file by a :command:`project` command. In the event that +the top level CMakeLists.txt contains multiple :command:`project` calls, +the most recently called one from that top level CMakeLists.txt will determine +the name that ``CMAKE_PROJECT_DESCRIPTION`` contains. For example, consider +the following top level CMakeLists.txt: + +.. code-block:: cmake + + cmake_minimum_required(VERSION 3.0) + project(First DESCRIPTION "I am First") + project(Second DESCRIPTION "I am Second") + add_subdirectory(sub) + project(Third DESCRIPTION "I am Third") + +And ``sub/CMakeLists.txt`` with the following contents: + +.. code-block:: cmake + + project(SubProj DESCRIPTION "I am SubProj") + message("CMAKE_PROJECT_DESCRIPTION = ${CMAKE_PROJECT_DESCRIPTION}") + +The most recently seen :command:`project` command from the top level +CMakeLists.txt would be ``project(Second ...)``, so this will print:: + + CMAKE_PROJECT_DESCRIPTION = I am Second + +To obtain the description from the most recent call to :command:`project` in +the current directory scope or above, see the :variable:`PROJECT_DESCRIPTION` +variable. |