What OSX version are you running ? Is your Xcode up to date for that version ?
> On 17 Jan 2018, at 12:25 pm, David <da...@kdbarto.org> wrote: > > I’m using a version of Apple’s clang that doesn’t support thread local > storage (Apple LLVM version 7.0.2 (clang-700.1.81), from 2014). When I tried > to install lldb-6.0 it failed because that compiler didn’t support thread > local storage. > > Is there a way to force the build for lldb-6.0 to use my installed clang > (/opt/local/bin/clang-mp-6.0)? /opt/local/bin/clang points at this version. > My PATH is set to have /opt/local/bin prior to /usr/bin, so it wasn’t a PATH > issue. > > David >