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Diffstat (limited to 'Help/prop_sf/GENERATED.rst')
| -rw-r--r-- | Help/prop_sf/GENERATED.rst | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/Help/prop_sf/GENERATED.rst b/Help/prop_sf/GENERATED.rst index d430ee2..48ff70c 100644 --- a/Help/prop_sf/GENERATED.rst +++ b/Help/prop_sf/GENERATED.rst @@ -4,16 +4,29 @@ GENERATED Is this source file generated as part of the build or CMake process. Tells the internal CMake engine that a source file is generated by an outside -process such as another build step, or the execution of CMake itself. This -information is then used to exempt the file from any existence or validity -checks. Generated files are created by the execution of commands such as -:command:`add_custom_command` and :command:`file(GENERATE)`. - -When a generated file created by an :command:`add_custom_command` command -is explicitly listed as a source file for any target in the same -directory scope (which usually means the same ``CMakeLists.txt`` file), -CMake will automatically create a dependency to make sure the file is -generated before building that target. +process such as another build step, or the execution of CMake itself. +This information is then used to exempt the file from any existence or +validity checks. + +Any file that is + +- created by the execution of commands such as + :command:`add_custom_command` and :command:`file(GENERATE)` +- listed as one of the ``BYPRODUCTS`` of an :command:`add_custom_command` + or :command:`add_custom_target` command, or +- created by a CMake ``AUTOGEN`` operation such as :prop_tgt:`AUTOMOC`, + :prop_tgt:`AUTORCC`, or :prop_tgt:`AUTOUIC` + +will be marked with the ``GENERATED`` property. + +When a generated file created as the ``OUTPUT`` of an +:command:`add_custom_command` command is explicitly listed as a source file +for any target in the same directory scope (which usually means the same +``CMakeLists.txt`` file), CMake will automatically create a dependency to +make sure the file is generated before building that target. + +The :ref:`Makefile Generators` will remove ``GENERATED`` files during +``make clean``. Generated sources may be hidden in some IDE tools, while in others they might be shown. For the special case of sources generated by CMake's :prop_tgt:`AUTOMOC` |