Gentoo Archives: gentoo-amd64

From: Peter Humphrey <peter@××××××××××××××.org>
To: gentoo-amd64@l.g.o
Subject: Re: [gentoo-amd64] Please suggest settings and flags in /etc/make.conf?
Date: Fri, 22 Jan 2010 05:28:14
In Reply to: Re: [gentoo-amd64] Please suggest settings and flags in /etc/make.conf? by Lie Ryan
1 On Friday 22 January 2010 03:05:55 Lie Ryan wrote:
2 > On 01/22/10 11:44, Mark Knecht wrote:
4 > > # These are the USE flags that were used in addition to what is
5 > > provided by the # profile used for building.
6 > > USE="mmx sse sse2"
7 >
8 > No one size fits all, only you can decide the best USE flags combination
9 > for your use. You probably wouldn't know the USE flags to use until you
10 > emerged some programs. Before emerging, look at the USE flags and decide
11 > whether you will need the feature activated by the flag, and whether you
12 > want to activate the USE flags globally (add here) or locally for the
13 > specific package (in /etc/portage/package.use).
15 > > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
16 > > mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
17 > > syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
18 > > xtopology nonstop_tsc pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2
19 > > ssse3 cx16 xtpr pdcm sse4_1 sse4_2 aes lahf_lm ida tpr_shadow vnmi
20 > > flexpriority ept vpid
22 What I did recently is to go through the list of CPU flags one by one and
23 check which of them had corresponding USE flags; I set those in make.conf on
24 the assumption that, if the processor had that feature, I might as well let
25 it use it.
27 --
28 Rgds
29 Peter.


Subject Author
Re: [gentoo-amd64] Please suggest settings and flags in /etc/make.conf? Lie Ryan <lie.1296@×××××.com>