failure of GHC 7.0.4 on OS X

[Benedikt Huber]

On 04.10.2011, at 11:28, Duncan Coutts wrote:

> On Mon, 2011-10-03 at 22:50 -0700, Mark Lentczner wrote:
>> Here's where I am:
>>
>> Today I managed to build a 32-bit version HP 2011.3.0.0 (based on  
>> GHC 7.0.4
>> from GHC central). This installs and runs on 10.6 and 10.7 (with  
>> some tweaks
>> applied to the ghc script). It will not run on 10.5 because the  
>> executables
>> in the GHC distro (ghc, cabal, etc...) were not built compatible with
>> 10.5[1].
>
> Thanks very much for working on this.
Hello,
I've just built and installed both GHC 7.0.4 and the HP 2011.3.0.0 on  
OS X 10.5,
and did not run into any problems (plain ./configure && make && make  
install
worked fine). I tested it a little bit, at least the OpenGL  
application 'monadius'
works without any problems.

My System:
Darwin Kernel Version 9.8.0 i386
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5493)
Xcode 3.1.3

>
>> I'm pretty sure I will be able to build a 64-bit version as well,  
>> subject to
>> the same caveats. I have some scripting magic to take care of  
>> things I had
>> to do by hand, and I want to put the prior-version uninstaller in  
>> this
>> release. But then I'm good to go.
>>
>> So - I suggest we proceed, and abandon 10.5 for this release.
>
> Ok. Is 10.5 still popular? I presume we'll need to flag this up on the
> download page and direct 10.5 users to the previous HP release.
Personally, I do not care if there is no dedicated distribution for 10.5
as long as building the platform from source works. Maybe one could
add a note that this is also possible (in addition to using older  
versions).

Best Regards,
Benedikt

>
>> In the future, we should try get the GHC build to work as far back as
>> 10.5 for 32-bit builds.
>
> Is there anything that the upstream ghc devs need to fix or be aware  
> of?
>
>> Also - I have some patches to the haskell-platform repo -- changing  
>> the
>> .cabal file isn't quite enough, the versions appear a few other  
>> places as
>> well. I can send Duncan a patch file, or you can add me to the  
>> proper group
>> on code.haskell.org (I'm MtnViewMark there) so I can push over ssh.
>
> Done. You should now be able to push over ssh.
>
>> [1] The executables die with
>>    dyld: unknown required load command 0x80000022
>> A little bit of googling yields that this is indicative of being  
>> compiled
>> with in an environment where the default SDK and min version were  
>> 10.6. To
>> change requires linking with:
>>    -mmacosx-version-min=10.5
>> (and possibly compiling against the 10.5 SDK, though that shouldn't  
>> be
>> needed since the GHC build should use nothing from the 10.6 SDK  
>> that isn't
>> in the 10.5 SDK.)
>
> So is this something the ghc devs need to fix in the osx build  
> scripts?
> Given this info, would it be easy enough for an OSX hacker to prepare
> and test a patch for the ghc build system? Perhaps we can find a
> volunteer to try this. We noticed at the recent Haskell Implementors
> Workshop that most of the Haskell hackers in the room were now OSX
> users, so we ought to be able to find volunteers.
>
> Duncan
>
>
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