patchBison - Patches: patch #10420, c.m4: Use __has_attribute to check...


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patch #10420: c.m4: Use __has_attribute to check for attribute availability.

Submitter:  Jacek Caban <jacek>
Submitted:  Mon 18 Dec 2023 11:17:50 AM UTC
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open

Mon 18 Dec 2023 11:17:50 AM UTC, original submission:  

This fixes -Wunused-but-set-variable warnings on clang msvc targets. Commit
    a166d5450e3f47587b98f6005f9f5627dbe21a5b fixed those warnings in most cases,
    but currently YY_ATTRIBUTE_UNUSED is defined only when _GNUC_ is defined.
    When using clang in msvc mode, it's not defined, but _unused_ attribute
    is still available.

Jacek Caban <jacek>


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2023-12-18 jacek Attached File- Added 0001-c.m4-Use-__has_attribute-to-check-for-attribute-availa.txt, #55458

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