* Re: [gentoo-amd64] Please suggest settings and flags in /etc/make.conf?
@ 2010-01-22 5:26 99% ` Peter Humphrey
0 siblings, 0 replies; 1+ results
From: Peter Humphrey @ 2010-01-22 5:26 UTC (permalink / raw
To: gentoo-amd64
On Friday 22 January 2010 03:05:55 Lie Ryan wrote:
> On 01/22/10 11:44, Mark Knecht wrote:
> > # These are the USE flags that were used in addition to what is
> > provided by the # profile used for building.
> > USE="mmx sse sse2"
>
> No one size fits all, only you can decide the best USE flags combination
> for your use. You probably wouldn't know the USE flags to use until you
> emerged some programs. Before emerging, look at the USE flags and decide
> whether you will need the feature activated by the flag, and whether you
> want to activate the USE flags globally (add here) or locally for the
> specific package (in /etc/portage/package.use).
> > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> > mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
> > syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
> > xtopology nonstop_tsc pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2
> > ssse3 cx16 xtpr pdcm sse4_1 sse4_2 aes lahf_lm ida tpr_shadow vnmi
> > flexpriority ept vpid
What I did recently is to go through the list of CPU flags one by one and
check which of them had corresponding USE flags; I set those in make.conf on
the assumption that, if the processor had that feature, I might as well let
it use it.
--
Rgds
Peter.
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2010-01-22 0:44 [gentoo-amd64] Please suggest settings and flags in /etc/make.conf? Mark Knecht
2010-01-22 3:05 ` Lie Ryan
2010-01-22 5:26 99% ` Peter Humphrey
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