{"action":"created","issue":{"url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/8","repository_url":"https://api.github.com/repos/conda-forge/vigra-feedstock","labels_url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/8/labels{/name}","comments_url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/8/comments","events_url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/8/events","html_url":"https://github.com/conda-forge/vigra-feedstock/pull/8","id":154155948,"number":8,"title":"Pinning libpng to 1.6.17","user":{"login":"jakirkham","id":3019665,"avatar_url":"https://avatars.githubusercontent.com/u/3019665?v=3","gravatar_id":"","url":"https://api.github.com/users/jakirkham","html_url":"https://github.com/jakirkham","followers_url":"https://api.github.com/users/jakirkham/followers","following_url":"https://api.github.com/users/jakirkham/following{/other_user}","gists_url":"https://api.github.com/users/jakirkham/gists{/gist_id}","starred_url":"https://api.github.com/users/jakirkham/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakirkham/subscriptions","organizations_url":"https://api.github.com/users/jakirkham/orgs","repos_url":"https://api.github.com/users/jakirkham/repos","events_url":"https://api.github.com/users/jakirkham/events{/privacy}","received_events_url":"https://api.github.com/users/jakirkham/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2016-05-11T04:07:05Z","updated_at":"2016-05-11T13:30:10Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/conda-forge/vigra-feedstock/pulls/8","html_url":"https://github.com/conda-forge/vigra-feedstock/pull/8","diff_url":"https://github.com/conda-forge/vigra-feedstock/pull/8.diff","patch_url":"https://github.com/conda-forge/vigra-feedstock/pull/8.patch"},"body":"Appears that I am encountering ABI breaks on Mac with the existing pinning. Not suffering from this on Linux though.\r\n\r\nHere we try to fix this by pinning it down to the exact version ( `1.6.17` ) of `libpng` in `defaults`.\r\n\r\nWhile I'm willing to discuss this further and its larger implications throughout the stack, I'm struggling with a broken stack on Mac.\r\n\r\ncc @ocefpaf"},"comment":{"url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/comments/218459275","html_url":"https://github.com/conda-forge/vigra-feedstock/pull/8#issuecomment-218459275","issue_url":"https://api.github.com/repos/conda-forge/vigra-feedstock/issues/8","id":218459275,"user":{"login":"jakirkham","id":3019665,"avatar_url":"https://avatars.githubusercontent.com/u/3019665?v=3","gravatar_id":"","url":"https://api.github.com/users/jakirkham","html_url":"https://github.com/jakirkham","followers_url":"https://api.github.com/users/jakirkham/followers","following_url":"https://api.github.com/users/jakirkham/following{/other_user}","gists_url":"https://api.github.com/users/jakirkham/gists{/gist_id}","starred_url":"https://api.github.com/users/jakirkham/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakirkham/subscriptions","organizations_url":"https://api.github.com/users/jakirkham/orgs","repos_url":"https://api.github.com/users/jakirkham/repos","events_url":"https://api.github.com/users/jakirkham/events{/privacy}","received_events_url":"https://api.github.com/users/jakirkham/received_events","type":"User","site_admin":false},"created_at":"2016-05-11T13:30:10Z","updated_at":"2016-05-11T13:30:10Z","body":"So, I tried to force `libpng` to upgrade to see what the conflict is. Here's what it spits out. So, basically it looks like `freetype` is the problem.\r\n\r\n```\r\n$ conda install libpng=1.6.21\r\nUsing Anaconda Cloud api site https://api.anaconda.org\r\nFetching package metadata: ............\r\nSolving package specifications: ....\r\n\r\nThe following specifications were found to be in conflict:\r\n  - freetype (target=freetype-2.5.5-0.tar.bz2)\r\n  - libpng 1.6.21*\r\n  - matplotlib -> freetype 2.5.*\r\n  - nanshe (target=nanshe-0.1.0a50-py27_0.tar.bz2) -> matplotlib\r\n  - nanshe (target=nanshe-0.1.0a50-py27_0.tar.bz2) -> scikit-image\r\n  - pillow -> freetype 2.4*|2.5*\r\n  - pillow -> python 2.6*|3.3*|3.4*|3.5*\r\n  - pillow (target=pillow-3.2.0-py27_1.tar.bz2)\r\n  - scikit-image (target=scikit-image-0.12.3-np111py27_0.tar.bz2) -> matplotlib\r\n  - scikit-image (target=scikit-image-0.12.3-np111py27_0.tar.bz2) -> pillow\r\n```"}}