{"action":"opened","issue":{"url":"https://api.github.com/repos/numpy/numpy/issues/12329","repository_url":"https://api.github.com/repos/numpy/numpy","labels_url":"https://api.github.com/repos/numpy/numpy/issues/12329/labels{/name}","comments_url":"https://api.github.com/repos/numpy/numpy/issues/12329/comments","events_url":"https://api.github.com/repos/numpy/numpy/issues/12329/events","html_url":"https://github.com/numpy/numpy/issues/12329","id":377189271,"node_id":"MDU6SXNzdWUzNzcxODkyNzE=","number":12329,"title":"BLD: site.cfg BLAS setup not reliable?","user":{"login":"seberg","id":61977,"node_id":"MDQ6VXNlcjYxOTc3","avatar_url":"https://avatars1.githubusercontent.com/u/61977?v=4","gravatar_id":"","url":"https://api.github.com/users/seberg","html_url":"https://github.com/seberg","followers_url":"https://api.github.com/users/seberg/followers","following_url":"https://api.github.com/users/seberg/following{/other_user}","gists_url":"https://api.github.com/users/seberg/gists{/gist_id}","starred_url":"https://api.github.com/users/seberg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/seberg/subscriptions","organizations_url":"https://api.github.com/users/seberg/orgs","repos_url":"https://api.github.com/users/seberg/repos","events_url":"https://api.github.com/users/seberg/events{/privacy}","received_events_url":"https://api.github.com/users/seberg/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-04T20:07:49Z","updated_at":"2018-11-04T20:07:49Z","closed_at":null,"author_association":"MEMBER","body":"Did not really try to dig into it yet, since I am not much familiar with the build system. Right now, numpy does not seem to build/link correctly on my system (openblas installed), in the sense that:\r\n`/home/sebastian/forks/numpy/build/testenv/lib/python3.7/site-packages/numpy/core/_multiarray_umath.cpython-37m-x86_64-linux-gnu.so` does not actually link any BLAS. It used to work just before when we still had the single `multiarray` file.\r\n\r\nIt works completely fine when I add the openblas section in the site config. I tried also with BLIS, that does not work. The `rpath` is added, but BLIS is not loaded when running. Additionally `_linalg_umath` actually still picks up and links openblas which I guess it should not do?\r\n\r\nAnyway, should investigate more/check what exact compilation args are being used that it ends up not linking the libraries. Maybe its also something with my system, but I suspect partially a regression due to the ufunc/multiarray merge, so opening an issue."}}
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