That's simple, we can just use ifdef to test for macro appearance. I'll commit a fix. Edward Excerpts from Ben Gamari's message of 2015-10-27 04:04:42 -0700: > Simon Peyton Jones <simonpj at microsoft.com> writes: > > > gcc 4.6.3 > > > Alright, we'll need to figure out what to do about these differences. > > Cheers, > > - Ben