[Haskell-iPhone] ld: warning with HEAD

Sat Dec 21 01:11:39 UTC 2013

Sorry in the last message I meant "(with the list of _warnings_ mentioned
on the wiki)".

On Fri, Dec 20, 2013 at 5:10 PM, Schell Scivally <efsubenovex at gmail.com>wrote:

> I'll sum up the process I'm going through. I `cd` into Blocks where
> Blocks.cabal lives, then I do a `arm-apple-darwin10-cabal
> --config-file=path/to/arm/config build`. The config file was created by
> arm-apple-darwin10-cabal the first time I ran it. The build ends in two
> different ways depending on the `ghc-options` field in the Blocks.cabal
> file. With ghc-options: -staticlib -threaded it errors (or warns, or
> outputs - as it isn't specified):
>
> Resolving dependencies...
>
> Configuring Blocks-0.1.0.0...
>
> Building Blocks-0.1.0.0...
>
> Preprocessing executable 'Blocks' for Blocks-0.1.0.0...
>
> Linking dist-arm/build/Blocks/Blocks.a ...
>
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> can't locate file for: -lpthread
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> file: -lpthread is not an object file (not allowed in a library)
>
> With ghc-options: -staticlib it looks like the build completes (with the
> list of errors mentioned on the wiki). I then have two libs, src/Main.a and
> dist-arm/build/Blocks/Blocks.a
>
> I then add either Blocks.a or Main.a to my project (or both, which I've
> also tried). Then I build for my device with command-b. Both static libs
> are ignored for each architecture and then clang ends in a linker error.
> Here is the build log from Xcode: http://lpaste.net/97304 and my setup:
> https://gist.github.com/schell/f3a737171ce2f6b1119c and the source:
> https://github.com/schell/blocks-ios/
>
> Please let me know if you need more information.
>
>
> On Fri, Dec 20, 2013 at 4:38 PM, Schell Scivally <efsubenovex at gmail.com>wrote:
>
>> Currently I'm using `arm-apple-darwin10-cabal
>> --config-file=path/to/my/arm/config build
>>
>> The cabal file and the rest of the source can be found at
>> https://github.com/schell/blocks-ios/
>>
>> I'm following the directions at
>> https://ghc.haskell.org/trac/ghc/wiki/Building/CrossCompiling/iOS as
>> much as possible but I don't really know how to use ghc to build all the
>> files in a project (when I try it can't find the IOS.Touch module), which
>> is why I'm trying to use cabal. That wiki page says nothing of using cabal
>> so I'm assuming that I'm in dragon territory with most of this, so forgive
>> me if I'm making some obvious mistake.
>>
>>
>>
>> On Fri, Dec 20, 2013 at 4:27 PM, Maxwell Swadling <
>> maxwellswadling at gmail.com> wrote:
>>
>>> How are you compiling the static library? What command are you using?
>>>
>>> __END__
>>> Maxwell Swadling
>>>
>>> On 21 Dec 2013, at 10:24 am, Schell Scivally <efsubenovex at gmail.com>
>>> wrote:
>>>
>>> Carter pointed out I only mentioned the warning. ld spits out a warning
>>> and then the build fails in the linking phase because the static lib was
>>> ignored and not linked, making the main() provided by the lib undefined:
>>>
>>> ld: warning: ignoring file
>>> /Users/schell/Code/blocks-ios/Blocks/dist-arm/build/Blocks/Blocks.a, file
>>> was built for archive which is not the architecture being linked (armv7):
>>> /Users/schell/Code/blocks-ios/Blocks/dist-arm/build/Blocks/Blocks.a
>>>
>>> ld: warning: ignoring file
>>> /Users/schell/Code/blocks-ios/Blocks/dist-i386/build/Blocks/Blocks.a, file
>>> was built for archive which is not the architecture being linked (armv7):
>>> /Users/schell/Code/blocks-ios/Blocks/dist-i386/build/Blocks/Blocks.a
>>>
>>> Undefined symbols for architecture armv7:
>>>
>>>   "_main", referenced from:
>>>
>>>      implicit entry/start for main executable
>>>
>>>      (maybe you meant: _c_main)
>>>
>>> ld: symbol(s) not found for architecture armv7
>>>
>>> clang: error: linker command failed with exit code 1 (use -v to see
>>> invocation)
>>>
>>>
>>> On Fri, Dec 20, 2013 at 3:05 PM, Carter Schonwald <
>>> carter.schonwald at gmail.com> wrote:
>>>
>>>> A warning isn't an error.  Was there an error or did things work ?
>>>>
>>>>
>>>> On Friday, December 20, 2013, Schell Scivally wrote:
>>>>
>>>>> I fixed my earlier problems with compiling primitive and vector by
>>>>> re-compiling ghc-iphone HEAD. It seems now that I can use
>>>>> arm/i386-apple-darwin10/11-cabal to build a static lib, but when I try to
>>>>> link it in my Xcode project I get ld warnings:
>>>>>
>>>>> ld: warning: ignoring file
>>>>> /Users/schell/Code/blocks-ios/Blocks/dist-arm/build/Blocks/Blocks.a, file
>>>>> was built for archive which is not the architecture being linked (i386):
>>>>> /Users/schell/Code/blocks-ios/Blocks/dist-arm/build/Blocks/Blocks.a
>>>>>
>>>>> I get one of those for each architecture being built (armv7, armv7s,
>>>>> arm64, i386). Here are some details on my setup:
>>>>> https://gist.github.com/schell/f3a737171ce2f6b1119c
>>>>>
>>>>> Any help would be much appreciated! :)
>>>>> --
>>>>> Schell Scivally
>>>>> http://blog.efnx.com
>>>>> http://github.com/schell
>>>>> http://twitter.com/schellsan
>>>>>
>>>>
>>>
>>>
>>> --
>>> Schell Scivally
>>> http://blog.efnx.com
>>> http://github.com/schell
>>> http://twitter.com/schellsan
>>>
>>> _______________________________________________
>>> iPhone mailing list
>>> iPhone at haskell.org
>>> http://www.haskell.org/mailman/listinfo/iphone
>>>
>>>
>>
>>
>> --
>> Schell Scivally
>> http://blog.efnx.com
>> http://github.com/schell
>> http://twitter.com/schellsan
>>
>
>
>
> --
> Schell Scivally
> http://blog.efnx.com
> http://github.com/schell
> http://twitter.com/schellsan
>

-- 
Schell Scivally
http://blog.efnx.com
http://github.com/schell
http://twitter.com/schellsan
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