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

1 Mar 2013

      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]
mailto:likeliest.complexions.stephen@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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