mstorsjo added a comment. In D114651#3156374 <https://reviews.llvm.org/D114651#3156374>, @zero9178 wrote:
> Is the deviation from MSVC behaviour here intentional? MSVC flags allow both > using a `/` as well as `-` as prefix. That means Both `-Wall` and `/Wall` are > accepted by MSVC as well as clang-cl and in both compilers currently lead to > ALL warnings being emitted. So this patch would deviate from that behaviour > as well as add confusion as every other option behaves the same in MSVC and > clang-cl, regardless of whether `-` or `/` is used as prefix. +1, while it's annoying with `-Wall` not doing the expected thing when using (clang-)cl, that's to be expected - cl and gcc style drivers have entirely different options overall, so one generally have to take care and use the right kind of options for them (and it's just a bit inconvenient that some options overlap but differ). So specialcasing an exception for this particular option doesn't seem worth it. Even in the context of cl-only options, I tend to always use the slash form, because there's less risk of mixups. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D114651/new/ https://reviews.llvm.org/D114651 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
