git-annex/doc/install/fromsource/comment_19_6f42f9234f9ff6a2ca6bbb4d2643843e._comment
2014-09-16 15:16:13 -04:00

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[[!comment format=mdwn
username="https://www.google.com/accounts/o8/id?id=AItOawlu7K3h7Ry1uDAU_ERYGuqt0LoGNJqGuRo"
nickname="Nathan"
subject="Cabal installing git-annex on Ubuntu 12.04 Precise with GHC 7.6.3"
date="2013-09-25T22:39:04Z"
content="""
I now realize [there is a Ubuntu 12.04 Precise PPA with a current
version of
git-annex](http://git-annex.branchable.com/install/Ubuntu/), so that's
probably a better choice, but here's how I cabal isntalled git-annex.
1. Apt install non-cabal dependencies:
sudo aptitude install c2hs libgsasl7-dev libxml2-dev
2. Manually cabal install yesod-platform to avoid the [cryptocipher problem
mentioned above](
http://git-annex.branchable.com/install/cabal/#comment-1807da37dc144b572b76aaf4b574bb54):
cabal install yesod-platform
3. Cabal install git-annex with DNS flag disabled:
cabal install git-annex -f\"-dns\"
I was getting this error building git-annex before disabling the DNS flag:
Utility/SRV.hs:70:54:
Couldn't match expected type `Maybe
[(Int, Int, Integer, B8.ByteString)]'
with actual type `Either
dns-1.0.0:Network.DNS.Internal.DNSError
[(Int, Int, Int, dns-1.0.0:Network.DNS.Internal.Domain)]'
In the third argument of `maybe', namely `r'
In the second argument of `($)', namely
`maybe [] (orderHosts . map tohosts) r'
In a stmt of a 'do' block:
return $ maybe [] (orderHosts . map tohosts) r
Looking at Utiltity/SRV.hs, it appears that disabling the DNS flag
just makes git annex use a different DNS library (ADNS), not
actually disable DNS lookups.
"""]]