{"action":"created","issue":{"url":"https://api.github.com/repos/sympy/sympy/issues/12057","repository_url":"https://api.github.com/repos/sympy/sympy","labels_url":"https://api.github.com/repos/sympy/sympy/issues/12057/labels{/name}","comments_url":"https://api.github.com/repos/sympy/sympy/issues/12057/comments","events_url":"https://api.github.com/repos/sympy/sympy/issues/12057/events","html_url":"https://github.com/sympy/sympy/pull/12057","id":201642833,"number":12057,"title":"Updating gmpy with gmpy2 version 2.0.8 in Travis CI build.","user":{"login":"baoqchau","id":8473870,"avatar_url":"https://avatars.githubusercontent.com/u/8473870?v=3","gravatar_id":"","url":"https://api.github.com/users/baoqchau","html_url":"https://github.com/baoqchau","followers_url":"https://api.github.com/users/baoqchau/followers","following_url":"https://api.github.com/users/baoqchau/following{/other_user}","gists_url":"https://api.github.com/users/baoqchau/gists{/gist_id}","starred_url":"https://api.github.com/users/baoqchau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/baoqchau/subscriptions","organizations_url":"https://api.github.com/users/baoqchau/orgs","repos_url":"https://api.github.com/users/baoqchau/repos","events_url":"https://api.github.com/users/baoqchau/events{/privacy}","received_events_url":"https://api.github.com/users/baoqchau/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2017-01-18T17:40:01Z","updated_at":"2017-01-20T06:01:02Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/sympy/sympy/pulls/12057","html_url":"https://github.com/sympy/sympy/pull/12057","diff_url":"https://github.com/sympy/sympy/pull/12057.diff","patch_url":"https://github.com/sympy/sympy/pull/12057.patch"},"body":"<!-- If this pull request fixes an issue please indicate which issue by typing \"Fixes #NNNN\" below.>\r\nFixes #12054 \r\nReplace gmpy with gmpy2 in travis.yml build"},"comment":{"url":"https://api.github.com/repos/sympy/sympy/issues/comments/273984780","html_url":"https://github.com/sympy/sympy/pull/12057#issuecomment-273984780","issue_url":"https://api.github.com/repos/sympy/sympy/issues/12057","id":273984780,"user":{"login":"baoqchau","id":8473870,"avatar_url":"https://avatars.githubusercontent.com/u/8473870?v=3","gravatar_id":"","url":"https://api.github.com/users/baoqchau","html_url":"https://github.com/baoqchau","followers_url":"https://api.github.com/users/baoqchau/followers","following_url":"https://api.github.com/users/baoqchau/following{/other_user}","gists_url":"https://api.github.com/users/baoqchau/gists{/gist_id}","starred_url":"https://api.github.com/users/baoqchau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/baoqchau/subscriptions","organizations_url":"https://api.github.com/users/baoqchau/orgs","repos_url":"https://api.github.com/users/baoqchau/repos","events_url":"https://api.github.com/users/baoqchau/events{/privacy}","received_events_url":"https://api.github.com/users/baoqchau/received_events","type":"User","site_admin":false},"created_at":"2017-01-20T06:01:02Z","updated_at":"2017-01-20T06:01:02Z","body":"Ok, so what I found out is that gmpy2 need additional libraries to work (MPC and MPFR)  [as written here](https://gmpy2.readthedocs.io/en/latest/intro.html#requirements). MPFR package is good enough with version 3.1.0 However, when I check the packages provide for ubuntu 12.04 (which is the version our Travis CI use), they only provide [libmpc-dev version 0.9.4](http://packages.ubuntu.com/precise/libmpc-dev), while gmpy2 need MPC version 1.0.1 or later to work. So, beside directly download MPC version we need and compile, is there any other way? @isuruf I am new here (this is my first PR), so I have a question: why do we still use ubuntu 12.04 instead of newer version (14.04 or 16.04) on travis CI? Just curious."}}
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