When building qt with QT_NO_DEBUG/WARNING/INFO_OUTPUT set, then the qDebug/Warning/Info macros expand to `QMessageLogger::noDebug`. That helper is not defined to take a logging category or category function, so using `qDebug(lcX, ...)` breaks the build. The correct way to emit categorized logging is to use the qCDebug/Warning/Info macros. Task-number: QTBUG-125589 Pick-to: 6.7 6.5 Change-Id: I968b0e826871a09023c11fec9e51caa5a2c4dc0b Reviewed-by: Jonas Karlsson <jonas.karlsson@qt.io> (cherry picked from commit 1e1c68017338c89265d6664a27f4137fc8960473) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
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