1 |
On Friday 10 February 2006 17:23, Jarry wrote: |
2 |
> Sorry for asking probably trivial question, but if I have in |
3 |
> /etc/make.conf: CFLAGS="-march=athlon-xp -pipe -O2" , |
4 |
> |
5 |
> does it still make sense to include use-options: |
6 |
> USE="3dnow mmx sse" ??? |
7 |
|
8 |
yes, because the USE flag is something completly different from the CFLAG |
9 |
|
10 |
> |
11 |
> Or is it selected automaticly by that -march=athlon-xp ? |
12 |
|
13 |
it is selected by march for the CFLAGS, but some apps have additional |
14 |
optimiziations built in, that have to be activated with configure options. |
15 |
That is where the USE flags come to action. |
16 |
|
17 |
So, set them in the useflags too, there are some apps that use them for |
18 |
better performance. |
19 |
-- |
20 |
gentoo-user@g.o mailing list |