Re: Firefox build issues with Rust and the new VS2017 15.5 update

2017-12-05 Thread Ryan VanderMeulen
As a follow-up, it looks like updating to a newer LLVM version fixes the problem. That update is being tracked in https://bugzilla.mozilla.org/show_bug.cgi?id=1423307. For anybody already hitting this bustage locally, you can try updating your clang toolchain under ~/.mozbuild/clang to the one bel

Firefox build issues with Rust and the new VS2017 15.5 update

2017-12-05 Thread Ryan VanderMeulen
FYI, the VC++ 2017 v14.12 toolset included in the recently-released VS2017 15.5 update appears to have broken building Firefox due to issues with the Rust compiler (in particular, the version of libclang we ship with it) and one of the system headers: C:\PROGRA~2\MIB055~1\2017\COMMUN~1\VC\Tools\MS