Am Montag, 13. Oktober 2025, 19:14 schrieb Scott Bloom: > As part of a pre-checkin "semi-lint" strategy (along with proper formatting > etc), I am investigating the usage of the tool include-what-you-use. > > https://github.com/include-what-you-use/include-what-you-use > > Essentially, it confirms that both every source (and header) file includes > every header directly to reduce the possibility of a compile break if a > dependent header changes what it includes. > > It also reports when you include something that you don't need, reducing > compile time and dependencies. > > It supports mapping files, for when a file is intentionally supposed to be > included transitively. For instance, including <iostream> vs <iosfwd> will > not report issues. > > The problem is with Qt, every include is transitive. You include <QComboBox> > not <qcombobox.h> for instance. >
We have these pragmas ➜ /usr/include/x86_64-linux-gnu/qt6/QtWidgets cat QComboBox #include "qcombobox.h" // IWYU pragma: export do these not help the tool? Why is a separate mapping file needed? David -- Development mailing list [email protected] https://lists.qt-project.org/listinfo/development
