[Haskell-cafe] There is something wrong in derive-0.1.2 package.
magicloud.magiclouds at gmail.com
Tue Oct 14 03:27:24 EDT 2008
After rebuilt HTTP-3001.1.3, I reinstalled, no luck, same error.
I am rebuilding GHC-6.8.3, to see....
Duncan Coutts wrote:
> On Tue, 2008-10-14 at 13:51 +0800, Magicloud wrote:
>> Sigh again, something that always makes me think that cabal is unusable....
>> ~/.cabal/lib/HTTP-3001.1.3/ghc-6.8.3/libHSHTTP-3001.1.3.a(Browser.o)(.text+0x5aa6): In function `rp46_info':
>> : undefined reference to `mtlzm1zi1zi0zi1_ControlziMonadziIdentity_zdf2_closure'
> What is almost certainly going on is that mtl has been rebuilt but the
> other packages that depend on it (like http) have not.
> I wonder if we could detect this better in ghc-6.10.2. There are ABI
> hashes available, so if we could record them in the package registration
> info then we should be able to detect when a dependent package has
> changed ABI. The longer term solution is to use a nix-style persistent
> package store.
> The short term solution in this case is probably to rebuild the HTTP
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