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qcompilerdetection.h: check __cplusplus is defined before using it

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Change-Id: I6f6daabcaf393ffa855461b4cd93863723751343
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 644bd3367c342bc55f2cd612af7c0df7b3ddc12a)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Ahmad Samir 2023-07-07 19:28:50 +03:00 committed by Qt Cherry-pick Bot
parent cb562418fb
commit c1ad580dca
1 changed files with 1 additions and 1 deletions
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src/corelib/global/qcompilerdetection.h
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@ -1376,7 +1376,7 @@ QT_WARNING_DISABLE_MSVC(4530) /* C++ exception handler used, but unwind semantic
# endif
#endif
#if __cplusplus >= 202002L // P0846 doesn't have a feature macro :/
#if defined(__cplusplus) && __cplusplus >= 202002L // P0846 doesn't have a feature macro :/
# define QT_COMPILER_HAS_P0846
#endif