On Thursday, 20 July 2023 06:03:27 PDT Cristian Adam via Development wrote: > On 07/20/2023 14:47, Thiago Macieira wrote: > > To Cristian: is the proposal to also switch from libstdc++ to libc++? > > Yes, LLVM MinGW only comes with libc++.
Thanks, then that's doubly binary-incompatible. We cannot *replace* our binaries with that build in a minor release (we could in 7.0). We can provide both for a few releases so there's overlap and we advise that we'll sunset the MSVCRT-based build. Additionally, I would advise that you don't switch to libc++. That forces the switch to Clang because GCC's support for libc++ is clunky and not all of our users may be able to make that switch on Windows. The opposite (using Clang with libstdc++) is well-supported and tested, so users could opt to using GCC if they need or want to, without recompiling Qt. -- Thiago Macieira - thiago.macieira (AT) intel.com Cloud Software Architect - Intel DCAI Cloud Engineering
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