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When VERIFY_INTERFACE_FILE_SETS is set to true on an executable target, verification of that target's interface file sets was only being performed if the target's ENABLE_EXPORTS property was set to true. We now always verify the interface file sets of executable targets, subject to the new CMP0209 policy. This allows interface file sets to be verified even for executable targets that do not export symbols. Interface file sets containing headers that are fully inlined is an example use case for this scenario. Unit test executables may link to the executable under test, possibly with $<COMPILE_ONLY:...>. Issue: #23448 #27046
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1.2 KiB
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28 lines
1.2 KiB
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CMP0209
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-------
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.. versionadded:: 4.3
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Verify interface header sets checks executables without exports.
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When :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS` is set to true on an executable
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target, CMake 4.2 and below would only perform those checks if the target's
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:prop_tgt:`ENABLE_EXPORTS` property was true. The reasoning behind this
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exclusion was that no other target could consume the headers of an executable
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target if that executable target didn't export symbols. Since then, other
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use cases have emerged for verifying header file sets where exporting symbols
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is no longer a requirement. Therefore, CMake 4.3 and above prefer to verify
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interface file sets of executable targets regardless of whether they export
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symbols or not.
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The ``OLD`` behavior of this policy only verifies interface file sets of an
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executable target if its :prop_tgt:`ENABLE_EXPORTS` property is set to true.
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The ``NEW`` behavior always verifies interface file sets of an executable
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target when :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS` is set to true.
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.. |INTRODUCED_IN_CMAKE_VERSION| replace:: 4.3
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.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
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.. include:: include/STANDARD_ADVICE.rst
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.. include:: include/DEPRECATED.rst
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