1 |
That totally depends on what kind of system you have, what changes |
2 |
you've made and what the CFLAGS were set to before. For example if it |
3 |
was set to something like pentium3 and you have an athlon based system, |
4 |
then you would see the best performance gain by recompiling everything. |
5 |
Any other changes (-O3 to -O2 adding/removing -fomit-frame-pointer) do |
6 |
not necessarily require a full recompile of the system. |
7 |
|
8 |
Rob |
9 |
|
10 |
Karl Zander wrote: |
11 |
|
12 |
> At 09:47 AM 9/20/2004 -0600, you wrote: |
13 |
> |
14 |
>> If you changed the processor type or processor flags for the CFLAG |
15 |
>> variable, emerge -e world will recompile everything with those new |
16 |
>> flags. As far as I know, that is the best way to do it. Use Lance's |
17 |
>> example for USE changes. |
18 |
>> |
19 |
>> Rob |
20 |
> |
21 |
> |
22 |
> So if I change the CFLAGS I should re-compile. Everything. Its not a |
23 |
> good idea to use the new CFLAGS only for going forward? |
24 |
> |
25 |
> When I set this system up about a year ago I did not set any CFLAGS. |
26 |
> Just used the defaults in the profile. |
27 |
> |
28 |
> -Karl |