Thanks very much Brandon for your fast reply! That did the trick. I had to rerun configure as well since when I didn't do that I got a different but seemingly related error. But after clean, configure and make everything seems to work again.
John On Mon, Oct 10, 2016 at 8:27 PM, Brandon Allbery <allber...@gmail.com> wrote: > > On Mon, Oct 10, 2016 at 11:22 PM, John Leo <l...@halfaya.org> wrote: > >> I'm trying to compile ghc from the latest source and am hitting an error >> "Symbol not found: _clock_gettime". I'm on Mac El Capitan and recently >> installed Xcode 8 which I'm sure is what caused the problem. Using Google >> I found some relevant pages including this one >> https://mail.haskell.org/pipermail/ghc-devs/2016-July/012511.html >> >> >> but I've been unable to figure out what I can do to fix the problem. Any >> help would be appreciated. >> > > You need to download the 10.11 Command Line Tools from download.apple.com > and reinstall them over the Xcode 8 command line tools, which are for 10.12 > and will have problems like this. (Apple intends to correct this in Xcode > 8.1.) You need a free Mac Developer account for this, or maybe you can find > the 10.11 tools elsewhere. You will then need to clean and rebuild ghc. > > -- > brandon s allbery kf8nh sine nomine > associates > allber...@gmail.com > ballb...@sinenomine.net > unix, openafs, kerberos, infrastructure, xmonad > http://sinenomine.net >
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