Gentoo Archives: gentoo-commits

From: "Michał Górny" <mgorny@g.o>
To: gentoo-commits@l.g.o
Subject: [gentoo-commits] data/gentoo-news:master commit in: 2015-01-28-cpu_flags_x86-introduction/
Date: Fri, 31 Mar 2017 20:29:08
Message-Id: 1490992132.f0c7da5f74ddb272a1cdf3f0830f533d735779ca.mgorny@gentoo
1 commit: f0c7da5f74ddb272a1cdf3f0830f533d735779ca
2 Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
3 AuthorDate: Fri Mar 31 20:27:41 2017 +0000
4 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
5 CommitDate: Fri Mar 31 20:28:52 2017 +0000
6 URL: https://gitweb.gentoo.org/data/gentoo-news.git/commit/?id=f0c7da5f
7
8 Remove CPU_FLAGS_X86 news item as obsolete for new installs, #608208
9
10 .../2015-01-28-cpu_flags_x86-introduction.en.txt | 48 ----------------------
11 ...015-01-28-cpu_flags_x86-introduction.en.txt.asc | 18 --------
12 2 files changed, 66 deletions(-)
13
14 diff --git a/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt b/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt
15 deleted file mode 100644
16 index 72c2baa..0000000
17 --- a/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt
18 +++ /dev/null
19 @@ -1,48 +0,0 @@
20 -Title: CPU_FLAGS_X86 introduction
21 -Author: Michał Górny <mgorny@g.o>
22 -Content-Type: text/plain
23 -Posted: 2015-01-28
24 -Revision: 2
25 -News-Item-Format: 1.0
26 -Display-If-Keyword: amd64
27 -Display-If-Keyword: ~amd64
28 -Display-If-Keyword: x86
29 -Display-If-Keyword: ~x86
30 -
31 -The USE flags corresponding to the instruction sets and other features
32 -specific to the x86 (amd64) architecture are being moved into a separate
33 -USE flag group called CPU_FLAGS_X86.
34 -
35 -In order not to lose CPU-specific optimizations, users will be required
36 -to update their make.conf (and package.use) file. For example, if
37 -the following USE flags were present:
38 -
39 - USE="mmx mmxext sse sse2 sse3"
40 -
41 -Those flags need to be copied into:
42 -
43 - CPU_FLAGS_X86="mmx mmxext sse sse2 sse3"
44 -
45 -Please note that the same CPU_FLAGS_X86 variable is used both on x86
46 -and amd64 systems.
47 -
48 -When in doubt, you can consult the flag descriptions using one of
49 -the commonly available tools, e.g. `equery uses` from gentoolkit:
50 -
51 - $ equery uses media-video/ffmpeg
52 -
53 -Most of the flag names match /proc/cpuinfo names, with the notable
54 -exception of SSE3 which is called 'pni' in /proc/cpuinfo (please also
55 -do not confuse it with distinct SSSE3).
56 -
57 -To help users enable the correct USE flags, we are providing a tool
58 -that generates the correct value for the local CPU. It can be found
59 -in the app-portage/cpuid2cpuflags package:
60 -
61 - $ emerge -1v app-portage/cpuid2cpuflags
62 - $ cpuinfo2cpuflags-x86
63 -
64 -In order to ensure safe migration and maintain compatibility with
65 -external repositories, it is recommended to preserve the old USE
66 -settings for a period of one year or until no package of interest is
67 -still using them.
68
69 diff --git a/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt.asc b/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt.asc
70 deleted file mode 100644
71 index 84efa84..0000000
72 --- a/2015-01-28-cpu_flags_x86-introduction/2015-01-28-cpu_flags_x86-introduction.en.txt.asc
73 +++ /dev/null
74 @@ -1,18 +0,0 @@
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