{"action":"created","issue":{"url":"https://api.github.com/repos/boostorg/build/issues/333","repository_url":"https://api.github.com/repos/boostorg/build","labels_url":"https://api.github.com/repos/boostorg/build/issues/333/labels{/name}","comments_url":"https://api.github.com/repos/boostorg/build/issues/333/comments","events_url":"https://api.github.com/repos/boostorg/build/issues/333/events","html_url":"https://github.com/boostorg/build/pull/333","id":352110754,"node_id":"MDExOlB1bGxSZXF1ZXN0MjA5NTAzMTE0","number":333,"title":"Make visibility feature not propagated","user":{"login":"Lastique","id":1589747,"node_id":"MDQ6VXNlcjE1ODk3NDc=","avatar_url":"https://avatars0.githubusercontent.com/u/1589747?v=4","gravatar_id":"","url":"https://api.github.com/users/Lastique","html_url":"https://github.com/Lastique","followers_url":"https://api.github.com/users/Lastique/followers","following_url":"https://api.github.com/users/Lastique/following{/other_user}","gists_url":"https://api.github.com/users/Lastique/gists{/gist_id}","starred_url":"https://api.github.com/users/Lastique/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Lastique/subscriptions","organizations_url":"https://api.github.com/users/Lastique/orgs","repos_url":"https://api.github.com/users/Lastique/repos","events_url":"https://api.github.com/users/Lastique/events{/privacy}","received_events_url":"https://api.github.com/users/Lastique/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":33,"created_at":"2018-08-20T12:20:48Z","updated_at":"2018-09-30T16:09:23Z","closed_at":"2018-08-24T21:24:44Z","author_association":"MEMBER","pull_request":{"url":"https://api.github.com/repos/boostorg/build/pulls/333","html_url":"https://github.com/boostorg/build/pull/333","diff_url":"https://github.com/boostorg/build/pull/333.diff","patch_url":"https://github.com/boostorg/build/pull/333.patch"},"body":"This allows to enable hidden visibility on a library without affecting its dependencies, which may not (yet) support hidden visibility by default."},"comment":{"url":"https://api.github.com/repos/boostorg/build/issues/comments/425731698","html_url":"https://github.com/boostorg/build/pull/333#issuecomment-425731698","issue_url":"https://api.github.com/repos/boostorg/build/issues/333","id":425731698,"node_id":"MDEyOklzc3VlQ29tbWVudDQyNTczMTY5OA==","user":{"login":"Lastique","id":1589747,"node_id":"MDQ6VXNlcjE1ODk3NDc=","avatar_url":"https://avatars0.githubusercontent.com/u/1589747?v=4","gravatar_id":"","url":"https://api.github.com/users/Lastique","html_url":"https://github.com/Lastique","followers_url":"https://api.github.com/users/Lastique/followers","following_url":"https://api.github.com/users/Lastique/following{/other_user}","gists_url":"https://api.github.com/users/Lastique/gists{/gist_id}","starred_url":"https://api.github.com/users/Lastique/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Lastique/subscriptions","organizations_url":"https://api.github.com/users/Lastique/orgs","repos_url":"https://api.github.com/users/Lastique/repos","events_url":"https://api.github.com/users/Lastique/events{/privacy}","received_events_url":"https://api.github.com/users/Lastique/received_events","type":"User","site_admin":false},"created_at":"2018-09-30T16:09:23Z","updated_at":"2018-09-30T16:09:23Z","author_association":"MEMBER","body":"> [The lib2_impl example]\r\n\r\nThis might be difficult to implement if lib2 is built as a shared library and lib2_impl needs to export symbols. But yes, this is one way to do this.\r\n\r\n> We already have a way to achieve what we both want - make visibility propagated and introduce local-visibility which isn't. lib2 would now be able to use <local-visibility>global.\r\n\r\nYes, its the two features option you mentioned before. Having the support for changing just the default of a single feature would make it much easier.\r\n\r\nAnyway, I agree the two-feature approach is the most viable solution, although I'm not sure how to implement it in Boost.Build efficiently. I'm not sure how one would derive `local-visibility` from `visibility` if the former is not enforced by the library.\r\n"}}
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