[haskell-llvm] pushing llvm-base with patched setup.hs to hackage

[Carter Schonwald]

if we hit a TH breakage, thats easy to work around, GHC always provides the
GHC_VERSION style #if CPP macros, so that would be easy to resolve if that
happens


On Fri, May 17, 2013 at 5:02 PM, Carter Schonwald <
carter.schonwald at gmail.com> wrote:

> because there is no simpler way to support both ranges of cabal versions
> in setup.hs
>
> by your own words, its bad to have needless version breakage, and theres
> no way to do the conditional #if MIN_VERSION_BLAH stuff in a setup.hs
> files,  and without this conditional compilation code, or some more
> complicated config process that before the setup.hs, there is no way
> to support both   both [Version >= 1.17] (and 1.18 will be out soon, and
> will likely be the version in the next fall / winter haskell platform
> release)
> and [Version < 1.17].
>
> I am all ears for a way to more nicely support a wider range of cabal
> versions thats nicer. But until such a better solution that also works is
> presented, this is the simplest solution.
>
> LLVM lib bindings should *just work*, this is needed to hold that standard
> up.
>
>
> On Fri, May 17, 2013 at 4:19 PM, Henning Thielemann <
> lemming at henning-thielemann.de> wrote:
>
>>
>> On Fri, 17 May 2013, Carter Schonwald wrote:
>>
>>  https://github.com/bos/llvm/**blob/master/base/Setup.hs#L90-**L116<https://github.com/bos/llvm/blob/master/base/Setup.hs#L90-L116>this is the change I made. It does not change
>>> ANYTHING within the build process aside from making  llvm-base buildable
>>> with  cabal > 1.16 as well as the
>>> current <= 1.16 setup
>>>
>>
>> I see. Since the comment qualifies the code to be a "horrible hack" and
>> using Template Haskell in Setup.hs looks awful to me by itself - can you
>> explain, what problem it shall solve and why do you think that this "hack"
>> is the only or the best way to solve the problem? My experience is that it
>> is even more difficult to get Template Haskell code running on different
>> GHC versions, since TH changes with almost every GHC version.
>>
>
>
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