31 lines
1.3 KiB
Text
31 lines
1.3 KiB
Text
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[[!comment format=mdwn
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username="https://www.google.com/accounts/o8/id?id=AItOawkO9tsPZkAxEulq2pGCdwz4md-LqB0RcMw"
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nickname="Reimund"
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subject="Problems with Base & Crypto"
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date="2012-04-25T22:56:18Z"
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content="""
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I got the following error message trying to install git-annex:
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cabal: cannot configure git-annex-3.20120418. It requires base >=4.5 && <5
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For the dependency on base >=4.5 && <5 there are these packages: base-4.5.0.0.
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However none of them are available.
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base-4.5.0.0 was excluded because of the top level dependency base -any
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These are the steps I performed to make it work
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1. Download [Ghc 7.4](http://www.haskell.org/ghc/download).
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2. Run `sudo cabal install git-annex --bindir=$HOME/bin`.
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3. Compilation of the Crypto-4.2.4 dependency failed since it's not updated to work with Ghc 7.4. You need to patch SHA2.hs (steps below).
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4. Run `sudo cabal install git-annex --bindir=$HOME/bin` a second time.
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The steps I did to patch the SHA2.hs file in Crypto-4.2.4:
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1. `cabal unpack crypto-4.2.4`
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2. `cd Crypto-4.2.4`
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3. `patch -p1 < crypto-4.2.4-ghc-7.4.patch`
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4. `sudo cabal install`.
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PS: I used [this patchfile](http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-haskell/crypto/files/crypto-4.2.4-ghc-7.4.patch?revision=1.1).
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Then I did the last step a third time.
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"""]]
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