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- add_compile_definitions
- -----------------------
- .. versionadded:: 3.12
- Add preprocessor definitions to the compilation of source files.
- .. code-block:: cmake
- add_compile_definitions(<definition> ...)
- Adds preprocessor definitions to the compiler command line.
- The preprocessor definitions are added to the :prop_dir:`COMPILE_DEFINITIONS`
- directory property for the current ``CMakeLists`` file. They are also added to
- the :prop_tgt:`COMPILE_DEFINITIONS` target property for each target in the
- current ``CMakeLists`` file.
- Definitions are specified using the syntax ``VAR`` or ``VAR=value``.
- Function-style definitions are not supported. CMake will automatically
- escape the value correctly for the native build system (note that CMake
- language syntax may require escapes to specify some values).
- Arguments to ``add_compile_definitions`` may use "generator expressions" with
- the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
- manual for available expressions. See the :manual:`cmake-buildsystem(7)`
- manual for more on defining buildsystem properties.
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