/[gentoo]/xml/htdocs/doc/en/gentoo-amd64-faq.xml
Gentoo

Diff of /xml/htdocs/doc/en/gentoo-amd64-faq.xml

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

Revision 1.40 Revision 1.41
1<?xml version="1.0" encoding="UTF-8"?> 1<?xml version="1.0" encoding="UTF-8"?>
2<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 2<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
3<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.40 2013/01/14 06:30:59 nightmorph Exp $ --> 3<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.41 2013/01/14 08:01:20 nightmorph Exp $ -->
4 4
5<guide> 5<guide>
6<title>Gentoo Linux/AMD64 Frequently Asked Questions</title> 6<title>Gentoo Linux/AMD64 Frequently Asked Questions</title>
7 7
8<author title="Editor"> 8<author title="Editor">
27 27
28<!-- The content of this document is licensed under the CC-BY-SA license --> 28<!-- The content of this document is licensed under the CC-BY-SA license -->
29<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> 29<!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
30<license/> 30<license/>
31 31
32<version>5</version> 32<version>6</version>
33<date>2013-01-13</date> 33<date>2013-01-13</date>
34 34
35<faqindex> 35<faqindex>
36<title>Questions</title> 36<title>Questions</title>
37<section> 37<section>
78<title>What CFLAGS should I use for AMD64/EM64T?</title> 78<title>What CFLAGS should I use for AMD64/EM64T?</title>
79<body> 79<body>
80 80
81<p> 81<p>
82You should use simple <c>CFLAGS</c> to avoid future problems with your system. 82You should use simple <c>CFLAGS</c> to avoid future problems with your system.
83Supported <c>CFLAGS</c> are <c>-O2 -march=k8 -pipe</c> for AMD systems. Intel 83Supported <c>CFLAGS</c> are <c>-O2 -march=native -pipe</c> for AMD and Intel
84Core2-based systems (EM64T) should use <c>-O2 -march=core2 -pipe</c>. If you're 84(EM64T) systems.
85on an old Intel Pentium 4 that supports EM64T, then use <c>-O2 -march=nocona
86-pipe</c>.
87</p> 85</p>
88 86
89</body> 87</body>
90</section> 88</section>
91<section id="kernel"> 89<section id="kernel">
96You can use almost all kernel sources available in Portage. We recommend using 94You can use almost all kernel sources available in Portage. We recommend using
97<c>gentoo-sources</c> because it is a special kernel designed for Gentoo Linux. 95<c>gentoo-sources</c> because it is a special kernel designed for Gentoo Linux.
98It contains lots of AMD64-specific patches and therefore is the only kernel 96It contains lots of AMD64-specific patches and therefore is the only kernel
99officially supported by Gentoo/AMD64. 97officially supported by Gentoo/AMD64.
100</p> 98</p>
101
102<warn>
103You should watch out for some kernel features which are not well tested, such
104as <c>PREEMPT</c>.
105</warn>
106 99
107<p> 100<p>
108Make sure you have the <c>IA32_EMULATION</c> option activated in the kernel. 101Make sure you have the <c>IA32_EMULATION</c> option activated in the kernel.
109</p> 102</p>
110 103
134comes to floating point computing which is normally the case in multimedia 127comes to floating point computing which is normally the case in multimedia
135applications and 3D rendering. This <uri 128applications and 3D rendering. This <uri
136link="http://www.linux.com/articles/114024?tid=121">article</uri> (and a <uri 129link="http://www.linux.com/articles/114024?tid=121">article</uri> (and a <uri
137link="http://www.linux.com/feature/43873">related</uri> article) may interest 130link="http://www.linux.com/feature/43873">related</uri> article) may interest
138you. There's also a nice <uri 131you. There's also a nice <uri
139link="http://forums.gentoo.org/viewtopic-t-349691.html">thread</uri> in our <uri 132link="https://forums.gentoo.org/viewtopic-t-349691.html">thread</uri> in our <uri
140link="http://forums.gentoo.org">forums</uri>. 133link="https://forums.gentoo.org">forums</uri>.
141</p> 134</p>
142 135
143</body> 136</body>
144</section> 137</section>
145<section id="multilib"> 138<section id="multilib">
328# <i>emerge packagename</i> 321# <i>emerge packagename</i>
329</pre> 322</pre>
330 323
331<p> 324<p>
332If it works fine for you, please let us know and file a bug on <uri 325If it works fine for you, please let us know and file a bug on <uri
333link="http://bugs.gentoo.org/">Gentoo's Bugzilla</uri>, so that the AMD64 team 326link="https://bugs.gentoo.org/">Gentoo's Bugzilla</uri>, so that the AMD64 team
334can keyword the package and other users can benefit from your test. 327can keyword the package and other users can benefit from your test.
335</p> 328</p>
336 329
337<warn> 330<warn>
338Do not try commands like <c>ACCEPT_KEYWORDS="~x86" emerge packagename</c>. It 331Do not try commands like <c>ACCEPT_KEYWORDS="~x86" emerge packagename</c>. It
380 373
381<p> 374<p>
382If any of your questions wasn't answered here, you can try other resources 375If any of your questions wasn't answered here, you can try other resources
383listed on <uri link="/proj/en/base/amd64/">our project homepage</uri>. You can 376listed on <uri link="/proj/en/base/amd64/">our project homepage</uri>. You can
384also ask us at <c>#gentoo-amd64</c> on <c>irc.freenode.net</c>, <uri 377also ask us at <c>#gentoo-amd64</c> on <c>irc.freenode.net</c>, <uri
385link="http://forums.gentoo.org/viewforum-f-46.html">Gentoo/AMD64 Forums</uri>, 378link="https://forums.gentoo.org/viewforum-f-46.html">Gentoo/AMD64 Forums</uri>,
386or on the <c>gentoo-amd64@lists.gentoo.org</c> mailing list. 379or on the <c>gentoo-amd64@lists.gentoo.org</c> mailing list.
387</p> 380</p>
388 381
389</body> 382</body>
390</section> 383</section>

Legend:
Removed from v.1.40  
changed lines
  Added in v.1.41

  ViewVC Help
Powered by ViewVC 1.1.20