BTW, here is an alternative fix (against 7.10.3) that uses the minimum
deployment target to determine whether to use the new ’clock_gettime()’ on
macOS to avoid the problem I mentioned in my previous message:
https://github.com/mchakravarty/ghc/commit/da87a6551a528d51dfd4277c4468c57d5039ab59
(So far only tested by compiling against the macOS 10.12 SDK w/ Xcode 8 and
running it on macOS 10.11.)
Manuel
> Manuel M T Chakravarty <c...@justtesting.org>:
>
> Yes, it is exactly the issue Brandon references. Thanks.
>
> 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?
>
> In the meantime, I found,
>
>
> https://github.com/Homebrew/homebrew-core/issues/1957#issuecomment-226328001
> <https://github.com/Homebrew/homebrew-core/issues/1957#issuecomment-226328001>
>
> 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.
>
> 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?
>
> Manuel
>
>> Brandon Allbery <allber...@gmail.com <mailto:allber...@gmail.com>>:
>>
>> fwiw I suspect this is
>> http://git.haskell.org/ghc.git/commit/a0f1809742160ca0c07778f91f3e2a8ea147c0a4
>>
>> <http://git.haskell.org/ghc.git/commit/a0f1809742160ca0c07778f91f3e2a8ea147c0a4>
>>
>> On Thu, Jul 28, 2016 at 5:13 PM, Carter Schonwald
>> <carter.schonw...@gmail.com <mailto:carter.schonw...@gmail.com>> wrote:
>> Could you share your error messages ?
>>
>>
>> On Wednesday, July 27, 2016, Manuel M T Chakravarty <c...@justtesting.org
>> <mailto:c...@justtesting.org>> wrote:
>> 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.)
>>
>> Manuel
>>
>> ___
>> ghc-devs mailing list
>> ghc-devs@haskell.org <>
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>> <http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs>
>>
>> ___
>> ghc-devs mailing list
>> ghc-devs@haskell.org <mailto:ghc-devs@haskell.org>
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>> <http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs>
>>
>>
>>
>>
>> --
>> brandon s allbery kf8nh sine nomine associates
>> allber...@gmail.com <mailto:allber...@gmail.com>
>> ballb...@sinenomine.net <mailto:ballb...@sinenomine.net>
>> unix, openafs, kerberos, infrastructure, xmonadhttp://sinenomine.net
>> <http://sinenomine.net/>___
>> ghc-devs mailing list
>> ghc-devs@haskell.org <mailto:ghc-devs@haskell.org>
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>
> ___
> ghc-devs mailing list
> ghc-devs@haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
___
ghc-devs mailing list
ghc-devs@haskell.org
http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
