{"action":"closed","issue":{"url":"https://api.github.com/repos/Gabriel439/haskell-nix/issues/69","repository_url":"https://api.github.com/repos/Gabriel439/haskell-nix","labels_url":"https://api.github.com/repos/Gabriel439/haskell-nix/issues/69/labels{/name}","comments_url":"https://api.github.com/repos/Gabriel439/haskell-nix/issues/69/comments","events_url":"https://api.github.com/repos/Gabriel439/haskell-nix/issues/69/events","html_url":"https://github.com/Gabriel439/haskell-nix/issues/69","id":381106851,"node_id":"MDU6SXNzdWUzODExMDY4NTE=","number":69,"title":"Changing the compiler to ghc784 help needed","user":{"login":"573","id":123878,"node_id":"MDQ6VXNlcjEyMzg3OA==","avatar_url":"https://avatars2.githubusercontent.com/u/123878?v=4","gravatar_id":"","url":"https://api.github.com/users/573","html_url":"https://github.com/573","followers_url":"https://api.github.com/users/573/followers","following_url":"https://api.github.com/users/573/following{/other_user}","gists_url":"https://api.github.com/users/573/gists{/gist_id}","starred_url":"https://api.github.com/users/573/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/573/subscriptions","organizations_url":"https://api.github.com/users/573/orgs","repos_url":"https://api.github.com/users/573/repos","events_url":"https://api.github.com/users/573/events{/privacy}","received_events_url":"https://api.github.com/users/573/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":9,"created_at":"2018-11-15T10:56:22Z","updated_at":"2018-11-17T20:54:29Z","closed_at":"2018-11-17T20:54:29Z","author_association":"NONE","body":"Hi  @Gabriel439,\r\n\r\nusing the apporach described [here](https://github.com/Gabriel439/haskell-nix/tree/master/project1#changing-the-compiler) I tried to build [flickr haskell](https://github.com/sof/flickr.git).\r\n\r\nBasically modifying to use the correct network-uri and mime versions works, but now I am stuck at the ghc-Version to use, because the flickr binding is using a now incompatible ([\"Make Applicative a superclass of Monad\"](https://hackage.haskell.org/package/base-4.12.0.0/changelog)) implementation approach.\r\n\r\nMy hope was that specifying `--argstr compiler ghc784` solved it but that basically lead me nowhere:\r\n\r\n> error: attribute 'ghc784' missing, at /home/vagrant/flickr/release5.nix:8:27\r\n\r\n(the mentioned release5.nix being bascially the same as in 384e1d6 )\r\n\r\nSeems a bit similar to #15, but I can't see it through."}}
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