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AJIOB
2b2344b412
Replace our hard-coded default for `/RTC1` with a first-class abstraction to select runtime checks from an enumeration of logical names. Add a `MSVC_RUNTIME_CHECKS` target property and corresponding `CMAKE_MSVC_RUNTIME_CHECKS` variable. Removing the old default flag requires a policy because existing projects may rely on string processing to edit them and choose runtime checks under the old behavior. Add policy CMP0184 to provide compatibility. Fixes: #26614
35 lines
1.2 KiB
ReStructuredText
35 lines
1.2 KiB
ReStructuredText
MSVC_RUNTIME_CHECKS
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-------------------
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.. versionadded:: 4.0
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Select the list of enabled runtime checks when targeting the MSVC ABI.
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The allowed values are:
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.. include:: MSVC_RUNTIME_CHECKS-VALUES.txt
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Use :manual:`generator expressions <cmake-generator-expressions(7)>` to
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support per-configuration specification. For example, the code:
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.. code-block:: cmake
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add_executable(foo foo.c)
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set_property(TARGET foo PROPERTY
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MSVC_RUNTIME_CHECKS "$<$<CONFIG:Debug,RelWithDebInfo>:PossibleDataLoss;UninitializedVariable>")
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enables for the target ``foo`` the possible data loss and uninitialized variables checks
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for the ``Debug`` and ``RelWithDebInfo`` configurations.
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This property is initialized from the value of the
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:variable:`CMAKE_MSVC_RUNTIME_CHECKS` variable, if it is set.
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If this property is not set, CMake selects a runtime checks using
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the default value ``$<$<CONFIG:Debug>:StackFrameErrorCheck;UninitializedVariable>``, if
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supported by the compiler, or empty value otherwise.
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.. note::
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This property has effect only when policy :policy:`CMP0184` is set to ``NEW``
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prior to the first :command:`project` or :command:`enable_language` command
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that enables a language using a compiler targeting the MSVC ABI.
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