> The change to C++17 makes a huge difference too, regardless of PCH. That > #include <algorithm> in qglobal.h adds up to 300 ms in each build without > PCH, > and a considerable amount with it too. And it gets worse with C++20 and > ranges.
I did not notice any sensitive change when switching to C++20 (but not using ranges). I am using PCH, which has always been a big winner, at least with MSVC. Philippe _______________________________________________ Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development
