d563ec3fba
c661dbd42d87f151e0c6f9e50fb21a137dad850c injected `QT_NO_INT128` into every TU when compiling for VxWorks. VxWorks uses a custom stdlib implementation that does not support 128bit ints and at the same time they use an off the shelf Clang that defines `__SIZEOF_INT128__` which is used to detect if 128b ints are available. This resulted in Qt falsely assuming that 128b ints are available. Detect if 128bit are available instead of injecting `QT_NO_INT128` and define `QT_COMPILER_SUPPORTS_INT128`, use it instead of directly checking `__SIZEOF_INT128__`. Task-number: QTBUG-115777 Change-Id: I7531ebe780b4bdd78b42daf8dae0e522a316a88e Reviewed-by: Marc Mutz <marc.mutz@qt.io> (cherry picked from commit 5a10744bb4afc0c95b1b7bbba8848cf14b0bad00) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>