28 lines
1.3 KiB
ReStructuredText
28 lines
1.3 KiB
ReStructuredText
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CMP0066
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-------
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Honor per-config flags in :command:`try_compile` source-file signature.
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The source file signature of the :command:`try_compile` command uses the value
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of the :variable:`CMAKE_<LANG>_FLAGS` variable in the test project so that the
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test compilation works as it would in the main project. However, CMake 3.6 and
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below do not also honor config-specific compiler flags such as those in the
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:variable:`CMAKE_<LANG>_FLAGS_DEBUG` variable. CMake 3.7 and above prefer to
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honor config-specific compiler flags too. This policy provides compatibility
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for projects that do not expect config-specific compiler flags to be used.
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The ``OLD`` behavior of this policy is to ignore config-specific flag
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variables like :variable:`CMAKE_<LANG>_FLAGS_DEBUG` and only use CMake's
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built-in defaults for the current compiler and platform.
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The ``NEW`` behavior of this policy is to honor config-specific flag
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variabldes like :variable:`CMAKE_<LANG>_FLAGS_DEBUG`.
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This policy was introduced in CMake version 3.7. Unlike most policies,
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CMake version |release| does *not* warn by default when this policy
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is not set and simply uses OLD behavior. See documentation of the
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:variable:`CMAKE_POLICY_WARNING_CMP0066 <CMAKE_POLICY_WARNING_CMP<NNNN>>`
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variable to control the warning.
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.. include:: DEPRECATED.txt
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