40 lines
1.6 KiB
ReStructuredText
40 lines
1.6 KiB
ReStructuredText
CMP0043
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-------
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Ignore COMPILE_DEFINITIONS_<Config> properties
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CMake 2.8.12 and lower allowed setting the
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:prop_tgt:`COMPILE_DEFINITIONS_<CONFIG>` target property and
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:prop_dir:`COMPILE_DEFINITIONS_<CONFIG>` directory property to apply
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configuration-specific compile definitions.
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Since CMake 2.8.10, the :prop_tgt:`COMPILE_DEFINITIONS` property has supported
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:manual:`generator expressions <cmake-generator-expressions(7)>` for setting
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configuration-dependent content. The continued existence of the suffixed
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variables is redundant, and causes a maintenance burden. Population of the
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:prop_tgt:`COMPILE_DEFINITIONS_DEBUG <COMPILE_DEFINITIONS_<CONFIG>>` property
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may be replaced with a population of :prop_tgt:`COMPILE_DEFINITIONS` directly
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or via :command:`target_compile_definitions`:
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.. code-block:: cmake
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# Old Interface:
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set_property(TARGET tgt APPEND PROPERTY
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COMPILE_DEFINITIONS_DEBUG DEBUG_MODE
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)
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# New Interfaces:
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set_property(TARGET tgt APPEND PROPERTY
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COMPILE_DEFINITIONS $<$<CONFIG:Debug>:DEBUG_MODE>
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)
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target_compile_definitions(tgt PRIVATE $<$<CONFIG:Debug>:DEBUG_MODE>)
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The OLD behavior for this policy is to consume the content of the suffixed
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:prop_tgt:`COMPILE_DEFINITIONS_<CONFIG>` target property when generating the
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compilation command. The NEW behavior for this policy is to ignore the content
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of the :prop_tgt:`COMPILE_DEFINITIONS_<CONFIG>` target property .
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This policy was introduced in CMake version 3.0. CMake version
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|release| warns when the policy is not set and uses OLD behavior. Use
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the cmake_policy command to set it to OLD or NEW explicitly.
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