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- add_definitions
- ---------------
- Adds -D define flags to the compilation of source files.
- ::
- add_definitions(-DFOO -DBAR ...)
- Adds definitions to the compiler command line for targets in the current
- directory and below (whether added before or after this command is invoked).
- This command can be used to add any flags, but it is intended to add
- preprocessor definitions (see the :command:`add_compile_options` command
- to add other flags).
- Flags beginning in -D or /D that look like preprocessor definitions are
- automatically added to the :prop_dir:`COMPILE_DEFINITIONS` directory
- property for the current directory. Definitions with non-trivial values
- may be left in the set of flags instead of being converted for reasons of
- backwards compatibility. See documentation of the
- :prop_dir:`directory <COMPILE_DEFINITIONS>`,
- :prop_tgt:`target <COMPILE_DEFINITIONS>`,
- :prop_sf:`source file <COMPILE_DEFINITIONS>` ``COMPILE_DEFINITIONS``
- properties for details on adding preprocessor definitions to specific
- scopes and configurations.
- See the :manual:`cmake-buildsystem(7)` manual for more on defining
- buildsystem properties.
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