MaskRay added a comment. In D135076#3830989 <https://reviews.llvm.org/D135076#3830989>, @jhuber6 wrote:
> In D135076#3830972 <https://reviews.llvm.org/D135076#3830972>, @MaskRay wrote: > >> There are traditionally some single-dash long options (perhaps classical Mac >> OS style) which conflict with short options. I think nowadays we try to >> avoid such single-dash short options. >> (For example, GNU ld now requires all new long options to use two-dashes, >> after knowing the problem with `-omagic`.) >> >> I can make a patch to make cc1 `-o` `Separate` instead of >> `JoinedOrSeparate`, which will hopefully solve your pain of specifying a >> misspelled `-offloat*` cc1 option without good diagnostics. > > If that's possible, then that would be a good solution. I figured that > allowing `-ofoo` was set in stone and this was the less controversial option. > Just for reference, the problem I commonly encounter with users is the > following situation A cc1 specific `Separate` `-o` only helps misspelled `-offload-*`... > clang foo.cu -offload-arch=sm_80 -o foo // No offload arch, the first -o > isn't observed as its replaced by the second one. I think these users have to accept that `-offload-arch=sm_80` means `-o ffload-arch=sm_80`. There are a number of unfortunate `Separate` short options. `-o` is among them the most used. Long options have to avoid conflicts with `-o` by not having the single-dash form. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D135076/new/ https://reviews.llvm.org/D135076 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits