{"action":"created","issue":{"url":"https://api.github.com/repos/NixOS/nixpkgs/issues/7078","labels_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/7078/labels{/name}","comments_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/7078/comments","events_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/7078/events","html_url":"https://github.com/NixOS/nixpkgs/issues/7078","id":65130738,"number":7078,"title":"gtk+ fails to build on darwin","user":{"login":"jwiegley","id":8460,"avatar_url":"https://avatars.githubusercontent.com/u/8460?v=3","gravatar_id":"","url":"https://api.github.com/users/jwiegley","html_url":"https://github.com/jwiegley","followers_url":"https://api.github.com/users/jwiegley/followers","following_url":"https://api.github.com/users/jwiegley/following{/other_user}","gists_url":"https://api.github.com/users/jwiegley/gists{/gist_id}","starred_url":"https://api.github.com/users/jwiegley/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwiegley/subscriptions","organizations_url":"https://api.github.com/users/jwiegley/orgs","repos_url":"https://api.github.com/users/jwiegley/repos","events_url":"https://api.github.com/users/jwiegley/events{/privacy}","received_events_url":"https://api.github.com/users/jwiegley/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/NixOS/nixpkgs/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/NixOS/nixpkgs/labels/darwin","name":"darwin","color":"5319e7"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-30T04:20:38Z","updated_at":"2015-03-31T17:39:19Z","closed_at":null,"body":"```\r\nconfigure: error: *** XInput2 extension not found. Check 'config.log' for more details.\r\n```\r\n\r\nThis is a very new breakage."},"comment":{"url":"https://api.github.com/repos/NixOS/nixpkgs/issues/comments/88182998","html_url":"https://github.com/NixOS/nixpkgs/issues/7078#issuecomment-88182998","issue_url":"https://api.github.com/repos/NixOS/nixpkgs/issues/7078","id":88182998,"user":{"login":"codyopel","id":5561189,"avatar_url":"https://avatars.githubusercontent.com/u/5561189?v=3","gravatar_id":"","url":"https://api.github.com/users/codyopel","html_url":"https://github.com/codyopel","followers_url":"https://api.github.com/users/codyopel/followers","following_url":"https://api.github.com/users/codyopel/following{/other_user}","gists_url":"https://api.github.com/users/codyopel/gists{/gist_id}","starred_url":"https://api.github.com/users/codyopel/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/codyopel/subscriptions","organizations_url":"https://api.github.com/users/codyopel/orgs","repos_url":"https://api.github.com/users/codyopel/repos","events_url":"https://api.github.com/users/codyopel/events{/privacy}","received_events_url":"https://api.github.com/users/codyopel/received_events","type":"User","site_admin":false},"created_at":"2015-03-31T17:39:19Z","updated_at":"2015-03-31T17:39:19Z","body":"This is not enough information, What major version of gtk+ are you referring to, 2 or 3 (this probably affects both though).\r\n\r\nI believe it is missing libXi, which is the cause for this error (part of xinput), it is only propagated on Linux.  For reference here are the gentoo ebuilds:\r\nhttp://data.gpo.zugaina.org/gentoo/x11-libs/gtk+/gtk+-3.14.10.ebuild\r\nhttp://data.gpo.zugaina.org/gentoo/x11-libs/gtk+/gtk+-2.24.27-r1.ebuild\r\n\r\nhttps://github.com/NixOS/nixpkgs/tree/master/pkgs/development/libraries/gtk+/\r\n\r\nThe ```x11``` build input is an alias for ```xlibsWrapper``` which only pulls in some of the Xorg libraries, it appears to be missing several though including libXi.\r\nhttps://github.com/NixOS/nixpkgs/blob/146eb665d0fd660260992b7730ddab9af5801239/pkgs/top-level/all-packages.nix#L7745L7751\r\n\r\nIt may also/alternatively need ```inputproto``` which contains the Xorg-Xinput header files:\r\nhttp://cgit.freedesktop.org/xorg/proto/inputproto/tree/\r\n\r\n@vcunat "}}