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We could possibly upgrade `Wrapped` to something that enables the user to `dimap` as a no-op on appropriate Profunctors. The trick is figuring out the right API to do so without exposing a user-visibl…
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In ghc 7.8.3 on the Mac, for some packages cabal reinstalls the package instead of telling me I've already installed it. ghc-pkg check shows I have no issues, e.g.:
bash-3.2$ cabal install cabal-ins…
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I'm sure you're probably aware of this already, but as of right now it doesn't look like GCC will be usable at all on OS X Yosemite. I'd like to be able to build this package using clang as my compile…
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After a a fresh checkout of I tried building a Haskell project on both OS X 10.9 and 10.10. I ran into an error during the cmake build.
```
these derivations will be built:
/nix/store/x70ibdd16nr7…
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This is with current HEAD.
```
[ 1 of 35] Compiling Paths_bittorrent ( dist/build/autogen/Paths_bittorrent.hs, dist/build/Paths_bittorrent.o )
[ 2 of 35] Compiling Network.BitTorrent.Internal.Progres…
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```
Failed to install hnetcdf-0.2.0.0
Last 10 lines of the build log ( /home/jim/Sandbox/CDF/.cabal-sandbox/logs/hnetcdf-0.2.0.0.log ):
p :: GHC.ForeignPtr.ForeignPtr e
(bound at Data/Ne…
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Using Ubuntu 14.04 LTS
updated cabal
ruby-dev 1.9.3p484
hruby 0.2.6
$ cabal install language-puppet
fails with the following:
[40 of 44] Compiling Erb.Compute ( Erb/Compute.hs, dist/build/Erb…
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Attempting to build the haddocks for the gh-pages branch, but I'm getting something I've never seen before.
```
Macintosh:free ekmett$ cabal haddock
Running Haddock for free-4.6...
Preprocessing libr…
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```
[shana@lenalee:~]$ for i in haskellPackages.vty; do nix-build ~/programming/nixpkgs -o /tmp/$i -A $i --arg config '{ allowUnfree = true; }' --show-trace ; done
these derivations will be built:
/…
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```
~/Dropbox/Private/diagrams-contrib $ ls -ltr dist/dist-sandbox-79e8b561/setup-config
-rw------- 1 dom staff 449364 Apr 11 16:31 dist/dist-sandbox-79e8b561/setup-config
~/Dropbox/Private/diagr…