On Thu, Oct 6, 2011 at 10:11 AM, Joel Reymont <joelr1@REDACTED> wrote: > Do you still have to build with -O0 on the Mac? I updated the MacPorts build of Erlang and did not have to make that change. I think this fix corrected it: OTP-9547 Erlang/OTP can now be built on MacOS X Lion. -Brent