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Re: Any way to get rid of -MP parameter to gcc for dependency creation?
From: |
Xan Lopez |
Subject: |
Re: Any way to get rid of -MP parameter to gcc for dependency creation? |
Date: |
Tue, 4 Jan 2011 02:22:26 +0100 |
On Tue, Jan 4, 2011 at 1:57 AM, Miles Bader <address@hidden> wrote:
> Xan Lopez <address@hidden> writes:
>> I understand this can cause problems if, say, a file is removed from
>> the build tree or so, but it's very different to removing completely
>> dependency tracking (which indeed makes the null-build be essentially
>> 0s).
>
> Do you know _what_ is taking so long? I mean, disk I/O (stats on a cold
> disk cache), user CPU time (inefficient algos in make), system CPU time
> (stats on a warm disk cache)...?
Are you talking about the time to process those empty rules that are
gone if you get rid of -MP or of the remaining 20 seconds?
Xan
>
> -Miles
>
> --
> `Cars give people wonderful freedom and increase their opportunities.
> But they also destroy the environment, to an extent so drastic that
> they kill all social life' (from _A Pattern Language_)
>
- Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Eric Blake, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Miles Bader, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?,
Xan Lopez <=
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Miles Bader, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/03
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Ralf Wildenhues, 2011/01/04
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/04
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/04
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Ralf Wildenhues, 2011/01/06
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/06
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Miles Bader, 2011/01/06
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Xan Lopez, 2011/01/06
- Re: Any way to get rid of -MP parameter to gcc for dependency creation?, Miles Bader, 2011/01/06