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33 lines
1.3 KiB
33 lines
1.3 KiB
11 years ago
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COMPILE_DEFINITIONS
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-------------------
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Preprocessor definitions for compiling a directory's sources.
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This property specifies the list of options given so far to the
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:command:`add_definitions` command.
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The ``COMPILE_DEFINITIONS`` property may be set to a semicolon-separated
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list of preprocessor definitions using the syntax ``VAR`` or ``VAR=value``.
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Function-style definitions are not supported. CMake will
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automatically escape the value correctly for the native build system
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(note that CMake language syntax may require escapes to specify some
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values).
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This property will be initialized in each directory by its value in the
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directory's parent.
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CMake will automatically drop some definitions that are not supported
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by the native build tool. The VS6 IDE does not support definition
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values with spaces (but NMake does).
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.. include:: /include/COMPILE_DEFINITIONS_DISCLAIMER.txt
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Contents of ``COMPILE_DEFINITIONS`` may use "generator expressions" with
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the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
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manual for available expressions. See the :manual:`cmake-buildsystem(7)`
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manual for more on defining buildsystem properties.
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The corresponding :prop_dir:`COMPILE_DEFINITIONS_<CONFIG>` property may
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be set to specify per-configuration definitions. Generator expressions
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should be preferred instead of setting the alternative property.
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