[Haskell-iPhone] ld: warning with HEAD

Schell Scivally efsubenovex at gmail.com
Sat Dec 21 06:22:55 UTC 2013 

My cabal config is a vanilla config file generated by
arm-apple-darwin10-cabal: http://lpaste.net/97322


On Fri, Dec 20, 2013 at 8:23 PM, Maxwell Swadling <maxwellswadling at gmail.com
> wrote:

> I think you need to set your "--package-db" option when using ghc-pkg the
> subsequently ghc.
>
> The value should be in the cabal config file.
>
> Can you post your cabal config?
>
>
>
> On Sat, Dec 21, 2013 at 3:15 PM, Schell Scivally <efsubenovex at gmail.com>wrote:
>
>> No, I'm not - I'm using arm-apple-darwin10-cabal
>> --config-file=path/to/arm.config install vector, which yields:
>>
>> Resolving dependencies...
>>
>> All the requested packages are already installed:
>>
>> vector-0.10.9.1
>>
>> Use --reinstall if you want to reinstall anyway.
>>
>> Though it doesn't look like it's actually installed:
>>
>> arm-apple-darwin10-ghc-pkg list
>>
>> /usr/local/lib/arm-apple-darwin10-ghc-7.7.20131217/package.conf.d
>>
>>    Cabal-1.18.1.2
>>
>>    array-0.5.0.0
>>
>>    base-4.7.0.0
>>
>>    bin-package-db-0.0.0.0
>>
>>    binary-0.7.1.0
>>
>>    bytestring-0.10.4.0
>>
>>    containers-0.5.3.1
>>
>>    deepseq-1.3.0.2
>>
>>    directory-1.2.0.2
>>
>>    filepath-1.3.0.2
>>
>>    ghc-prim-0.3.1.0
>>
>>    hoopl-3.10.0.0
>>
>>    hpc-0.6.0.1
>>
>>    integer-simple-0.1.1.0
>>
>>    old-locale-1.0.0.6
>>
>>    pretty-1.1.1.1
>>
>>    process-1.2.0.0
>>
>>    rts-1.0
>>
>>    template-haskell-2.9.0.0
>>
>>    time-1.4.1
>>
>>    transformers-0.3.0.0
>>
>>    unix-2.7.0.0
>>
>> If I don't include my arm.config file I get this:
>>
>> arm-apple-darwin10-cabal install vector
>>
>> Resolving dependencies...
>>
>> Configuring primitive-0.5.1.0...
>>
>> Failed to install primitive-0.5.1.0
>>
>> Last 10 lines of the build log (
>> /Users/schell/.cabal/logs/primitive-0.5.1.0.log ):
>>
>> cabal: Error: some packages failed to install:
>>
>> primitive-0.5.1.0 failed during the configure step. The exception was:
>>
>> ExitFailure 127
>>
>> vector-0.10.9.1 depends on primitive-0.5.1.0 which failed to install
>>
>>
>>
>>
>> On Fri, Dec 20, 2013 at 8:11 PM, Maxwell Swadling <
>> maxwellswadling at gmail.com> wrote:
>>
>>> were you using cabal sandbox? If so, delete the cabal sandbox and cabal
>>> install the dependencies (vector in this case is missing).
>>>
>>>
>>> On Sat, Dec 21, 2013 at 3:08 PM, Schell Scivally <efsubenovex at gmail.com>wrote:
>>>
>>>> Okay, the hsc2hs step worked and I have IOS/Touch.hs. Now the next
>>>> error is:
>>>>
>>>> arm-apple-darwin10-ghc -staticlib Main.hs -threaded
>>>>
>>>> IOS/Touch.hsc:6:8:
>>>>
>>>>     Could not find module 'Data.Vector.Storable'
>>>>
>>>>     Use -v to see a list of the files searched for.
>>>>
>>>>
>>>> Is there a way for me to manually include the Data.Vector.Storable
>>>> package?
>>>>
>>>>
>>>> On Fri, Dec 20, 2013 at 6:26 PM, Maxwell Swadling <
>>>> maxwellswadling at gmail.com> wrote:
>>>>
>>>>> So it doesn't know how to deal with IOS/Touch/Touch.hsc, which is one
>>>>> of the reasons I'm trying to use cabal, since it seems to be pretty good at
>>>>> running hsc2hs on that file automagically. Though ghc is supposed to work
>>>>> with .hsc, no?
>>>>>
>>>>> If I try to compile Touch.hsc by itself I get something interesting:
>>>>>
>>>>> arm-apple-darwin10-ghc IOS/Touch.hsc
>>>>>
>>>>> GHC doesn't!
>>>>>
>>>>> You should be able to run `hsc2hs IOS/Touch/Touch.hsc` and it will
>>>>> produce `IOS/Touch/Touch.hs`.
>>>>>
>>>>> You will have to add any header include paths you need (CocoaTouch ?).
>>>>>
>>>>> I would recommend a vanilla makefile to run `hsc2hs` then `ghc`.
>>>>>
>>>>> On 21/12/2013, at 1:01 PM, Schell Scivally <efsubenovex at gmail.com>
>>>>> wrote:
>>>>>
>>>>> Carter: Yes, I've followed the instructions on the wiki and updated
>>>>> Xcode's build settings.
>>>>> Maxwell: When I try it errors with:
>>>>>
>>>>> arm-apple-darwin10-ghc Main.hs -o Main.a
>>>>>
>>>>> Main.hs:5:8:
>>>>>
>>>>>     Could not find module 'IOS.Touch'
>>>>>
>>>>>     Use -v to see a list of the files searched for.
>>>>>
>>>>>
>>>>> And then following it down the rabbit hole:
>>>>>
>>>>> arm-apple-darwin10-ghc Main.hs -o Main.a -v
>>>>>
>>>>> Glasgow Haskell Compiler, Version 7.7.20131217, stage 1 booted by GHC
>>>>> version 7.6.3
>>>>>
>>>>> Using binary package database:
>>>>> /usr/local/lib/arm-apple-darwin10-ghc-7.7.20131217/package.conf.d/package.cache
>>>>>
>>>>> wired-in package ghc-prim mapped to
>>>>> ghc-prim-0.3.1.0-ba68fe37a0bba905324e76d7bb331c12
>>>>>
>>>>> wired-in package integer-simple mapped to
>>>>> integer-simple-0.1.1.0-abf1895bcd711c07e5c06ea0798b38ff
>>>>>
>>>>> wired-in package base mapped to
>>>>> base-4.7.0.0-725128dc24ae24a83ca24be4defe9728
>>>>>
>>>>> wired-in package rts mapped to builtin_rts
>>>>>
>>>>> wired-in package template-haskell mapped to
>>>>> template-haskell-2.9.0.0-dc5244f6b2a07b2bd654d776e81eb7ba
>>>>>
>>>>> wired-in package dph-seq not found.
>>>>>
>>>>> wired-in package dph-par not found.
>>>>>
>>>>> Hsc static flags:
>>>>>
>>>>> wired-in package ghc-prim mapped to
>>>>> ghc-prim-0.3.1.0-ba68fe37a0bba905324e76d7bb331c12
>>>>>
>>>>> wired-in package integer-simple mapped to
>>>>> integer-simple-0.1.1.0-abf1895bcd711c07e5c06ea0798b38ff
>>>>>
>>>>> wired-in package base mapped to
>>>>> base-4.7.0.0-725128dc24ae24a83ca24be4defe9728
>>>>>
>>>>> wired-in package rts mapped to builtin_rts
>>>>>
>>>>> wired-in package template-haskell mapped to
>>>>> template-haskell-2.9.0.0-dc5244f6b2a07b2bd654d776e81eb7ba
>>>>>
>>>>> wired-in package dph-seq not found.
>>>>>
>>>>> wired-in package dph-par not found.
>>>>>
>>>>> *** Chasing dependencies:
>>>>>
>>>>> Chasing modules from: *Main.hs
>>>>>
>>>>>
>>>>> Main.hs:5:8:
>>>>>
>>>>>     Could not find module 'IOS.Touch'
>>>>>
>>>>>     Locations searched:
>>>>>
>>>>>       IOS/Touch.hs
>>>>>
>>>>>       IOS/Touch.lhs
>>>>>
>>>>> *** Deleting temp files:
>>>>>
>>>>> Deleting:
>>>>>
>>>>> *** Deleting temp dirs:
>>>>>
>>>>> Deleting:
>>>>>
>>>>>
>>>>> So it doesn't know how to deal with IOS/Touch/Touch.hsc, which is one
>>>>> of the reasons I'm trying to use cabal, since it seems to be pretty good at
>>>>> running hsc2hs on that file automagically. Though ghc is supposed to work
>>>>> with .hsc, no?
>>>>>
>>>>> If I try to compile Touch.hsc by itself I get something interesting:
>>>>>
>>>>> arm-apple-darwin10-ghc IOS/Touch.hsc
>>>>>
>>>>> ld: warning: ignoring file IOS/Touch.hsc, file was built for
>>>>> unsupported file format ( 0x7B 0x2D 0x23 0x20 0x4C 0x41 0x4E 0x47 0x55 0x41
>>>>> 0x47 0x45 0x20 0x46 0x6F 0x72 ) which is not the architecture being linked
>>>>> (armv7): IOS/Touch.hsc
>>>>>
>>>>> Undefined symbols for architecture armv7:
>>>>>
>>>>>   "_ZCMain_main_closure", referenced from:
>>>>>
>>>>>       _main in ghc85846_2.o
>>>>>
>>>>> ld: symbol(s) not found for architecture armv7
>>>>>
>>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>>>> invocation)
>>>>>
>>>>> ld: warning: ignoring file IOS/Touch.hsc, file was built for
>>>>> unsupported file format ( 0x7B 0x2D 0x23 0x20 0x4C 0x41 0x4E 0x47 0x55 0x41
>>>>> 0x47 0x45 0x20 0x46 0x6F 0x72 ) which is not the architecture being linked
>>>>> (armv7s): IOS/Touch.hsc
>>>>>
>>>>> Undefined symbols for architecture armv7s:
>>>>>
>>>>>   "_ZCMain_main_closure", referenced from:
>>>>>
>>>>>       _main in ghc85846_2.o
>>>>>
>>>>> ld: symbol(s) not found for architecture armv7s
>>>>>
>>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>>>> invocation)
>>>>>
>>>>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/lipo:
>>>>> can't open input file: a-armv7.o (No such file or directory)
>>>>>
>>>>> rm: a-armv7.o: No such file or directory
>>>>>
>>>>> rm: a-armv7s.o: No such file or directory
>>>>>
>>>>>
>>>>> On Fri, Dec 20, 2013 at 5:49 PM, Maxwell Swadling <
>>>>> maxwellswadling at gmail.com> wrote:
>>>>>
>>>>>> Can you run arm-apple-darwin10-ghc  Blocks.hs -o Blocks.a ?
>>>>>>
>>>>>> Also I'm not sure why you have a Main.a as well. You should link the
>>>>>> Blocks.a in Xcode. You shouldn't need two .a's.
>>>>>>
>>>>>> __END__ Maxwell Swadling
>>>>>>
>>>>>> On 21 Dec 2013, at 12:43 pm, Carter Schonwald <
>>>>>> carter.schonwald at gmail.com> wrote:
>>>>>>
>>>>>> Aren't there some settings that need to be manipulated in Xcode? Like
>>>>>> "don't run strip. Just don't"?  Are you doing that stuff?
>>>>>>
>>>>>> On Friday, December 20, 2013, Schell Scivally wrote:
>>>>>>
>>>>>>> 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/97304and 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/iOSas 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
>>>>>>>
>>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> 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
>>>>
>>>
>>>
>>>
>>> --
>>> Maxwell Swadling
>>>
>>>
>>
>>
>> --
>> Schell Scivally
>> http://blog.efnx.com
>> http://github.com/schell
>> http://twitter.com/schellsan
>>
>
>
>
> --
> Maxwell Swadling
>
>


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