Gentoo Archives: gentoo-user

From: "Hasan Ç." <hsntgm@×××××.com>
To: gentoo-user@l.g.o
Cc: gentoo-dev@l.g.o, gentoo-science@l.g.o, perfinion@g.o
Subject: Re: [gentoo-user] virtual eselect - how to
Date: Sat, 29 Jun 2019 01:22:12
Message-Id: CAJ2V=1po4YbntVS+xqwteAFzKD4R4DXrE4yESVA6yGpHQxNLLQ@mail.gmail.com
In Reply to: Re: [gentoo-user] virtual eselect - how to by "Hasan Ç."
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7 Hasan Ç. <hsntgm@×××××.com>, 29 Haz 2019 Cmt, 04:20 tarihinde şunu yazdı:
8
9 > Hi All,
10 >
11 > I mentioned my active PR a few times on dev-lists that covers *openblas
12 > ebuild (for main gentoo tree ~amd64)* + *integrated switch script between
13 > openblas and gentoo reference set* {c,}blas, lapack and gsl (gnu
14 > scientific library) *system-wide.* It seems i could not announce it
15 > enough.
16 >
17 > Here is the complete openblas PR + system-wide switch script, if someone
18 > interested in -->
19 > https://github.com/gentoo/gentoo/pull/11700
20 >
21 > *Here is the code who want to inspect switch script before use it -->*
22 >
23 > https://github.com/gentoo/gentoo/blob/04b5fc9c117571ce040a94f63c6d09e0ce15c5f8/sci-libs/openblas/files/openblas
24 >
25 > - I believe the proper way is eselect instead of this script but
26 > openblas switch script is my quick fix until openblas fully integrated to
27 > main tree and eselect.
28 > - After switching to openblas system wide with script i tested it with *numpy
29 > & scipy, *both of them compiled with openblas support without any
30 > issue.
31 > - *This is not officially merged PR and maybe it never will.Also
32 > switch script not reviewed deeply by gentoo devs and may need
33 > improvement.This is my own solution.Please consider this before use it.*
34 >
35 > Screenshot's of the openblas switch script -->
36 >
37 > *openblas --status*
38 > [image: 56973125-e55d8300-6b74-11e9-99c7-142bfc4b2b11.png]
39 >
40 > *openblas --openblas*
41 > [image: 56973077-d1198600-6b74-11e9-97a0-315e789142cd.png]
42 >
43 > *openblas --help*
44 > [image: 56973043-c3640080-6b74-11e9-9415-90b3fa01ee9f.png]
45 >
46 > Hasan Calisir | Proxy Maint
47 >
48 > Helmut Jarausch <jarausch@××××××.be>, 26 Haz 2019 Çar, 16:05 tarihinde
49 > şunu yazdı:
50 >
51 >> Hi,
52 >> what is the relationship of a virtual package and eselect.
53 >> E.g.
54 >> I have installed openblas but 'eselect blas list' doesn't know about
55 >> this.
56 >> I have even modified virtual/blas to include openblas.
57 >>
58 >> How does eselect get the list of alternatives?
59 >>
60 >> Many thanks for a hint,
61 >> Helmut
62 >>
63 >>

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