[Haskell-iPhone] Installing various packages

[David Pollak]

On Sunday, November 6, 2011 at 12:19 PM, Stephen Blackheath [to GHC-iPhone] wrote:

> David,
> 
> math.h is standard C library stuff. If it can't find that, then it means 
> the SDK it is trying to use, namely,
> /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk/usr/lib/gcc/i686-apple-darwin10/4.2.1/include/, 
> is not there. The version-dependency is very brittle. If you need a 
> different version, you'll need to build GHC from source.
> 
> 


When I backed out of Lion to OS X 10.6, I backed down to XCode 3.2.6.  Can I use XCode 4.2 with ghc-iphone?
 
> 
> We have used parsec-3.1.0 on iPhone quite happily.
> 

Cool
 
> 
> I don't want to spend any time on the old ghc-6.10.4-based version that 
> I could be spending on the new one.
> 
> 


Sounds like a good use of your time.  My constraint is that I'm planning to show off my iPad app on Nov 16th, so integration between the Haskell part and the iPad part is happening now. ;-)
 
> On the subject of the new GHC-iPhone 
> compiler, here's an update:
> 
> * ARM support is now present in GHC HEAD, using the LLVM code generator. 
> You can build GHC locally on ARM linux, for example, and the speed of 
> code execution is roughly twice the speed of the C-based code-gen.
> 
> * The necessary LLVM changes will now be in LLVM version 3.0 thanks to 
> Karel Gardas and David Terei.
> 
> * Well Typed were planning to implement generalized cross-compiling, but 
> they're now looking for funding for this work. Since we (= iPwn Studios) 
> need it soon, I'll be starting on it myself, hopefully this week. 
> Cross-compiling in general is the bulk of the work. The iPhone-specific 
> stuff is essentially the same as for the old GHC-6.10.4-based version.
> 
> * An Android compiler will follow, but I can't estimate when.

All of this stuff is very cool and I look forward to contributing into the overall Haskell/iOS space soon.

Thanks,

David
 
> 
> 
> 
> Steve
> 
> On 05/11/11 13:40, David Pollak wrote:
> > Howdy,
> > 
> > I'm back to using GHC-iphone... I'm merging stuff I've been working on
> > into an iPad app.
> > 
> > I'm using certain libraries like Parsec 3 (is Parsec 3 GHC 7 only?) When
> > I do a try to install Parsec:
> > 
> > dpp at oldboy:~/proj/LispHaskellIPad$ iphone-cabal install parsec
> > Warning: Error parsing config file /Users/dpp/.cabal/config:77:
> > Parse of field 'libsubdir' failed (paths with spaces must use Haskell String
> > syntax):
> > Warning: Using default configuration.
> > Resolving dependencies...
> > Configuring deepseq-1.2.0.1...
> > Preprocessing library deepseq-1.2.0.1...
> > Building deepseq-1.2.0.1...
> > [1 of 1] Compiling Control.DeepSeq ( Control/DeepSeq.hs,
> > dist/build/Control/DeepSeq.o )
> > 
> > In file included from
> > /var/folders/kQ/kQnNu0yWEJWl+kNm1oRfTE+++TI/-Tmp-/ghc4575_0/ghc4575_0.hc:3:0:
> > 
> > /opt/iphone/lib/ghc-6.10.4-iphone/include/Stg.h:54:18:
> > error: math.h: No such file or directory
> > iphone-cabal: Error: some packages failed to install:
> > deepseq-1.2.0.1 failed during the building phase. The exception was:
> > exit: ExitFailure 1
> > parsec-3.1.2 depends on deepseq-1.2.0.1 which failed to install.
> > text-0.11.1.9 depends on deepseq-1.2.0.1 which failed to install.
> > dpp at oldboy:~/proj/LispHaskellIPad$
> > 
> > 
> > Bad things happen. Any pointers or hints to make iphone-cabal work for
> > parsec?
> > 
> > Also, a note to the developers on the list... don't upgrade to Lion...
> > Xcode 4 on Lion seems to not work at all with any of the Haskell stuff
> > (iphone or GHC 7).
> > 
> > Thanks,
> > 
> > David
> > 
> > 
> > _______________________________________________
> > iPhone mailing list
> > iPhone at haskell.org (mailto:iPhone at haskell.org)
> > http://www.haskell.org/mailman/listinfo/iphone
> > 
> 
> 
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> 
> 


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