leonardchan added a comment. In D75890#1915493 <https://reviews.llvm.org/D75890#1915493>, @thakis wrote:
> `__FILE__` only expands to an absolute path if you pass an absolute path to > clang (ctrl-f "__FILE__" on > http://blog.llvm.org/2019/11/deterministic-builds-with-clang-and-lld.html). > > It feels like this is working around a deficiency in the compiler. Maybe > fixing whatever's going wrong in the compiler might be better? (There's also > -ffile-file-prefix map, but using that makes your _commandline_ depend on the > name of the build dir, and (in clang) `__FILE_NAME__ `. Using `-ffile-prefix-map` for LLVM builds in general seems to be the better option, but we thought this was simpler since it seemed to only be libunwind that had this non-determinism. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D75890/new/ https://reviews.llvm.org/D75890 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
