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qcompilerdetection.h: de-duplicate feature test macro discussion

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Both links are valid for both C++14/17 and C++20+ variants, they're
just sorted differently. Mention that.

Change-Id: Id88ec05f935fd6d01c0f1e733ca42faaaa88dd25
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
(cherry picked from commit e2c08b5f3a2f978e969175d4b61bd7e07815f1aa)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Marc Mutz 2022-11-21 12:25:26 +01:00 committed by Qt Cherry-pick Bot
parent 661544d490
commit 3cae2c25fc
1 changed files with 4 additions and 4 deletions
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8
src/corelib/global/qcompilerdetection.h
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@ -493,13 +493,13 @@
*
*
* For the C++ standards C++14 and C++17, we use only the SD-6 macro.
* For full listing, see
* http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations
*
* For any future version of the C++ standard, we use only the C++20 feature test macro.
* For library features, we assume <version> is present (this header includes it).
* For full listing, see
* https://en.cppreference.com/w/User:D41D8CD98F/feature_testing_macros
*
* For a full listing of feature test macros, see
* https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations (by macro)
* https://en.cppreference.com/w/User:D41D8CD98F/feature_testing_macros (by C++ version)
*
* C++ extensions:
* Q_COMPILER_RESTRICTED_VLA variable-length arrays, prior to __cpp_runtime_arrays