[Haskell-iPhone] iOS cross compile instructions now on GHC wiki / progress update

[Stephen Blackheath [to GHC-iPhone]]

I forgot to mention an important thing: You will need the Cabal changes 
from Luke's pull request at https://github.com/haskell/cabal/pull/1214

I suggest you check out the normal Cabal, then add the above as a new 
remote and pull from it. (I am not sure exactly which URL to use.)

On 01/03/13 22:41, Stephen Blackheath [to GHC-iPhone] wrote:
> Alex,
>
> I can't help much because I'm even more confused than you are about
> subprojects on the ghc-ios repos. Try this:
>
> 1. Clone your http://github.com/ghc-ios/ghc repo locally to give
> yourself a clean checkout.
> 2. Go into it and check out the 'master' branch: git checkout master
> 3. Point the 'origin' remote at the central ghc repo.
> 4. Now do
>    ./sync-all --no-dph get
>    (This will get the stock standard subprojects, just exactly how
> things would work for a normal ghc checkout from ghc HQ.)
> 5. Now back to the branch: git checkout master-merge-ios
> 6. Now you can point 'origin' back to ghc-ios/master-merge-ios again if
> you want.
> 7. Follow the rest of the build instructions.
>
>
> Steve
>
> On 01/03/13 16:27, Alex Carter wrote:
>>   On a fresh checkout of ghc-ios:ghc/merge-master-ios, I get /sync-all/
>> and /perl boot/ errors:
>> /
>> /
>>
>>     /$ sync-all --no-dph get/
>>     ...
>>     Unable to checkout 'ecf43c78cc1fdc7ef5f9f44ccf35441a2ad33847' in
>>     submodule path 'libraries/Cabal'
>>     Unable to checkout '8b271670f79a3b50d7e15ca924878212f042f259' in
>>     submodule path 'libraries/vector'
>>     ...
>>
>>
>> and then:
>>
>>     $ perl boot
>>     Error: libraries/Cabal/LICENSE doesn't exist.
>>     Maybe you haven't done './sync-all get'? at boot line 74, <PACKAGES>
>>     line 53.
>>
>>
>> which I suppose makes sense since the Cabal checkout failed...
>>
>> - Alex
>>
>> On Thu, Feb 28, 2013 at 4:49 PM, Stephen Blackheath [to GHC-iPhone]
>> <likeliest.complexions.stephen at blacksapphire.com
>> <mailto:likeliest.complexions.stephen at blacksapphire.com>> wrote:
>>
>>     Thanks Simon - I've added that to a list of loose ends on the
>>     Building/CrossCompiling/iOS wiki page.
>>
>>     All - I've fixed the issues with
>>     http://hackage.haskell.org/__trac/ghc/ticket/7722
>>     <http://hackage.haskell.org/trac/ghc/ticket/7722>, so everything
>>     should now be working.
>>
>>     Anyone who wants to try it now should either apply all the patches
>>     associated with "Blocked By" of
>>     http://hackage.haskell.org/__trac/ghc/ticket/7724
>>     <http://hackage.haskell.org/trac/ghc/ticket/7724>, or check out
>>     http://github.com/ghc-ios/ghc on the 'master-merge-ios' branch.
>>
>>
>>     Steve
>>
>>
>>     On 01/03/13 04:44, Simon Marlow wrote:
>>
>>         On 27/02/13 21:34, Stephen Blackheath [to GHC-iPhone] wrote:
>>
>>             All,
>>
>>             Cross-compiling GHC to iOS:
>>
>> http://hackage.haskell.org/__trac/ghc/wiki/Building/__CrossCompiling/iOS
>>
>> <http://hackage.haskell.org/trac/ghc/wiki/Building/CrossCompiling/iOS>
>>
>>
>>         Great.  The point about dead-code removal is interesting: we have
>>         special hacks so that you don't have to disable dead-code
>>         removal on OS
>>         X, in the native code generator and (I presume) in the LLVM
>> backend.
>>         Perhaps this just needs to be adapted to work on iOS too?
>>
>>         On the other hand, the special hack involves adding lots of extra
>>         symbols, so perhaps it's better to just disable dead-code
>> removal.
>>
>>         Cheers,
>>               Simon
>>
>>
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