[ANNOUNCE] GHC 7.10.3 release candidate 1

[Carter Schonwald]

I'd be keen to see Mac support.  How can I help out to test that for 8.0?

On Tuesday, November 17, 2015, Ben Gamari <ben at smart-cactus.org> wrote:

> Richard Eisenberg <eir at cis.upenn.edu <javascript:;>> writes:
>
> > On Nov 4, 2015, at 11:12 AM, Peter Trommler <
> Peter.Trommler at th-nuernberg.de <javascript:;>> wrote:
> >
> >> It looks like a bug to me.
> >
> > I'm taking your "it" here to mean the fact that GHC is looking for
> > readelf on a Mac OS platform. I tend to agree -- I was surprised to
> > see this, but I'm almost-totally clueless about these things.
> >
> > Thanks for the info,
> > Richard
> >
> > PS: There's been much muttering about call stacks and DWARF. I haven't
> > a clue what DWARF is, but I always assumed that this nice feature
> > would not be available on Macs. What I realized today is that this
> > assumption likely stems from the fact that ELF is not for Mac. ELFs
> > and DWARFs tend to be found near one another in other settings, but
> > perhaps this fact doesn't carry over to computer architectures. :)
> >
> DWARF is a standard for expressing debug information about compiled
> native programs. It is used by almost all modern operating systems
> (including OS X; the only notable exception is Windows, naturally).
> Indeed the name is a not-so-subtle reference to the fact that DWARF
> debug information will often be found within ELF object files.
>
> Recently I have been working on using the mechanisms that came out of
> Peter Wortmann's thesis to provide better stack traces and (statistical)
> profiling support for Haskell code. While at the moment I am focusing on
> Linux, there is little reason why this couldn't (fairly easily, I
> suspect) be extended to work on OS X.
>
> Cheers,
>
> - Ben
>
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