[Haskell-cafe] Announcing GHC iOS

[Luke Iannini]

Thanks!

This seems to do the trick wonderfully.
-ghclibdir     = $(libdir)/ghc-$(ProjectVersion)
+ghclibdir     = $(libdir)/$(CrossCompilePrefix)ghc-$(ProjectVersion)

I've just done a clean build with this and it's working perfectly.


On Sat, Aug 31, 2013 at 2:26 PM, Gabor Greif <ggreif at gmail.com> wrote:

> On 8/31/13, Luke Iannini <lukexipd at gmail.com> wrote:
> > Hi Gabor!
> > Yes, I believe that's still the case (we're working around it by using
> > different prefixes for each architecture at the moment). And I think we
> > should definitely do what you propose. I'll see if I can get a patch
> > together shortly (or if someone already knows exactly what to do and
> wants
> > to do it first, feel free! : )).
>
> This is probably where one should start,
>
> https://github.com/ghc/ghc/blob/master/mk/install.mk.in#L108
>
> but be careful with the 'if's in the makefile!
>
> Cheers,
>
>     Gabor
>
>
> >
> > Cheers
> > Luke
> >
> >
> > On Sat, Aug 31, 2013 at 4:50 AM, Gabor Greif <ggreif at gmail.com> wrote:
> >
> >> Hi Luke, devs,
> >>
> >> Just a quick question, as I haven't recently built a cross-compiler,
> >> but I have noticed a problem with installation of cross-ghc last time.
> >>
> >> $ ls <prefix>/lib/ghc-7.7.20130412
> >>
> >> The problem is, that when someone installs a non-cross
> >> compiler the same day, the cross-compiler's
> >> libraries and executables get overwritten
> >> by the non-cross installation :-(
> >>
> >> This probably also happens with release versions.
> >>
> >> Can you confirm this behaviour with HEAD?
> >>
> >> In case yes, should we consider adding a
> >> cross-prefix, like employed in bin/ ?
> >>
> >> $ ls <prefix>/bin/powerpc-montavista-linux-gnuspe-ghc-pkg-7.7.20130412
> >>
> >> Of course all the links inside must be re-aligned accordingly.
> >>
> >> Cheers,
> >>
> >>     Gabor
> >>
> >>
> >> On 8/31/13, Luke Iannini <lukexipd at gmail.com> wrote:
> >> > I will tell Stephen!
> >> >
> >> > I've added iOS as Tier 2 — I bet we can find a sponsor for a buildbot
> >> down
> >> > the line — and I've added myself while I wait to hear from Stephen. It
> >> > looks like the mailto links on the wiki (e.g. the names in the
> Platform
> >> > Maintainers section) aren't working, by the way:
> >> > http://ghc.haskell.org/trac/ghc/wiki/CodeOwners.
> >> >
> >> > Cheers
> >> > Luke
> >> >
> >> >
> >> > On Fri, Aug 30, 2013 at 2:04 AM, Simon Peyton-Jones
> >> > <simonpj at microsoft.com>wrote:
> >> >
> >> >>  Great.  Please thank Stephen too.. I don’t have his email.****
> >> >>
> >> >> ** **
> >> >>
> >> >> Just go ahead and modify ****
> >> >>
> >> >> http://ghc.haskell.org/trac/ghc/wiki/CodeOwners****
> >> >>
> >> >> http://ghc.haskell.org/trac/ghc/wiki/Platforms****
> >> >>
> >> >> ** **
> >> >>
> >> >> I assume iOS will become a tier-2 platform?****
> >> >>
> >> >> ** **
> >> >>
> >> >> Simon****
> >> >>
> >> >> ** **
> >> >>
> >> >> *From:* Luke Iannini [mailto:lukexipd at gmail.com]
> >> >> *Sent:* 30 August 2013 09:07
> >> >> *To:* Simon Peyton-Jones
> >> >> *Cc:* Austin Seipp
> >> >>
> >> >> *Subject:* Re: [Haskell-cafe] Announcing GHC iOS****
> >> >>
> >> >>  ** **
> >> >>
> >> >> Certainly! And I'd be happy to take on maintainership of GHC iOS if
> >> >> that's
> >> >> what you mean — I've committed to a very large project using it so
> >> >> I'll
> >> >> be
> >> >> maintaining it anyway : ). I'd guess Stephen would feel the same.****
> >> >>
> >> >> ** **
> >> >>
> >> >> And thanks so much for the kind words, it means the world! Thank you
> >> >> infinitely for Haskell : ).****
> >> >>
> >> >> ** **
> >> >>
> >> >> Cheers****
> >> >>
> >> >> Luke****
> >> >>
> >> >> ** **
> >> >>
> >> >> On Fri, Aug 30, 2013 at 12:32 AM, Simon Peyton-Jones <
> >> >> simonpj at microsoft.com> wrote:****
> >> >>
> >> >>  Should we update the “Platform maintainers” on
> >> >> http://ghc.haskell.org/trac/ghc/wiki/TeamGHC****
> >> >>
> >> >> or the list of supported platforms on
> >> >> http://ghc.haskell.org/trac/ghc/wiki/Platforms?****
> >> >>
> >> >>  ****
> >> >>
> >> >> *From:* Haskell-Cafe [mailto:haskell-cafe-bounces at haskell.org] *On
> >> Behalf
> >> >> Of *Luke Iannini
> >> >> *Sent:* 29 August 2013 21:56
> >> >> *To:* Haskell Cafe
> >> >> *Subject:* Re: [Haskell-cafe] Announcing GHC iOS****
> >> >>
> >> >>  ****
> >> >>
> >> >> Stephen provided some more credits — thanks so much to all!****
> >> >>
> >> >>  ****
> >> >>
> >> >> Three connected projects concerning cross-compilation:****
> >> >>
> >> >>  ****
> >> >>
> >> >> *Registerised ARM support, added using David Terei's LLVM compiler
> >> >> back
> >> >> end with Stephen Blackheath doing an initial ARMv5 version and LLVM
> >> patch
> >> >> and Karel Gardas working on floating point support, ARMv7
> >> >> compatibility
> >> >> and
> >> >> LLVM headaches. Ben Gamari did work on the runtime linker for
> ARM.****
> >> >>
> >> >>  ****
> >> >>
> >> >> *General cross-compiling, with much work by Stephen Blackheath and
> >> >> Gabor
> >> >> Greif (though many others have worked on this).****
> >> >>
> >> >>  ****
> >> >>
> >> >> *A cross-compiler for Apple iOS. iOS-specific parts were mostly
> >> >> Stephen
> >> >> Blackheath with Luke Iannini on the Cabal patch, testing and
> >> >> supporting
> >> >> infrastructure, also with assistance and testing by Miëtek Bak and
> >> >> Jonathan
> >> >> Fischoff, and thanks to many others for testing; The iOS cross
> >> >> compiler
> >> >> was
> >> >> started back in 2009 by Stephen Blackheath with funding from Ryan
> >> Trinkle
> >> >> of iPwn Studios.****
> >> >>
> >> >>  ****
> >> >>
> >> >> Thanks to Ian Lynagh for making it easy for us with integration,
> >> makefile
> >> >> refactoring and patience, and to David Terei for LLVM assistance.****
> >> >>
> >> >>  ****
> >> >>
> >> >>  ****
> >> >>
> >> >> On Thu, Aug 29, 2013 at 1:43 PM, Luke Iannini <lukexipd at gmail.com>
> >> >> wrote:*
> >> >> ***
> >> >>
> >> >>  Hi all!****
> >> >>
> >> >> (in case you don't read /r/haskell : ))****
> >> >>
> >> >>  ****
> >> >>
> >> >> Stephen Blackheath and I are extremely happy to report that as of
> >> >> today,
> >> >> GHC can natively build binaries for iOS devices and the iOS
> >> >> Simulator.****
> >> >>
> >> >>  ****
> >> >>
> >> >> You'll find everything you need here:
> >> >> http://ghc.haskell.org/trac/ghc/wiki/Building/CrossCompiling/iOS****
> >> >>
> >> >>  ****
> >> >>
> >> >> The short of it is you can use "ghc-ios myFiles.hs" to get a
> universal
> >> >> ARMv7/ARMv7s/i386 static library to drop straight into an Xcode
> >> >> project.**
> >> >> **
> >> >>
> >> >>  ****
> >> >>
> >> >> Stephen's already working on some wonderful FRP-powered games, I'm
> >> >> working
> >> >> on a project called SpaceTime that I'll announce shortly, and you may
> >> now
> >> >> all begin creating insanely great iOS software using the finest
> >> >> language
> >> >> in
> >> >> the world : ).****
> >> >>
> >> >>  ****
> >> >>
> >> >> Stephen deserves the lion's share of the credit for this project —
> >> >> it's
> >> >> been over 3 years in the making! Many thanks to Maxwell Swadling for
> >> >> generalizing static library builds into a -staticlib flag for GHC,
> >> Carter
> >> >> Schonwald for compilation guidance, and the venerable Austin Seipp
> for
> >> >> reviewing and merging our patches.****
> >> >>
> >> >>   ****
> >> >>
> >> >>  ** **
> >> >>
> >> >
> >>
> >
>
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