<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Yes, it is exactly the issue Brandon references. Thanks.</div><div class=""><br class=""></div><div class="">I have got one concern with this fix, though: doesn’t that mean that a GHC *build* on macOS 10.12 will not run on earlier versions of macOS?</div><div class=""><br class=""></div><div class="">In the meantime, I found,</div><div class=""><br class=""></div><div class=""> <a href="https://github.com/Homebrew/homebrew-core/issues/1957#issuecomment-226328001" class="">https://github.com/Homebrew/homebrew-core/issues/1957#issuecomment-226328001</a></div><div class=""><br class=""></div><div class="">which explains the issue. Now, when you compile on macOS 10.12 with this fix, GHC RTS will use ’clock_gettime’. However, that symbol is not available in the system libraries of earlier version of macOS, which will lead to a dyld failure when trying to run the executable.</div><div class=""><br class=""></div><div class="">In fact, given this is in the RTS, any Haskell program compiled with such as build of GHC would be unable to run on macOS versions older than 10.12 (unless I am mistaken). Has this been considered?</div><div class=""><br class=""></div><div class="">Manuel</div><br class=""><div><blockquote type="cite" class=""><div class="">Brandon Allbery <<a href="mailto:allbery.b@gmail.com" class="">allbery.b@gmail.com</a>>:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">fwiw I suspect this is <a href="http://git.haskell.org/ghc.git/commit/a0f1809742160ca0c07778f91f3e2a8ea147c0a4" class="">http://git.haskell.org/ghc.git/commit/a0f1809742160ca0c07778f91f3e2a8ea147c0a4</a></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Jul 28, 2016 at 5:13 PM, Carter Schonwald <span dir="ltr" class=""><<a href="mailto:carter.schonwald@gmail.com" target="_blank" class="">carter.schonwald@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Could you share your error messages ?<div class="HOEnZb"><div class="h5"><span class=""></span><br class=""><br class="">On Wednesday, July 27, 2016, Manuel M T Chakravarty <<a href="mailto:chak@justtesting.org" target="_blank" class="">chak@justtesting.org</a>> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Has anybody tried compiling GHC with the (beta) macOS 10.12 Sierra SDK? I just gave it a shot trying to compile GHC 7.8.3 and ran into a problem with GetTime.c in the RTS. (I haven’t tried GHC 8.0.1.)<br class="">
<br class="">
Manuel<br class="">
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<br class=""></blockquote></div><br class=""><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">brandon s allbery kf8nh sine nomine associates</div><div class=""><a href="mailto:allbery.b@gmail.com" target="_blank" class="">allbery.b@gmail.com</a> <a href="mailto:ballbery@sinenomine.net" target="_blank" class="">ballbery@sinenomine.net</a></div><div class="">unix, openafs, kerberos, infrastructure, xmonad <a href="http://sinenomine.net/" target="_blank" class="">http://sinenomine.net</a></div></div></div>
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