On 2011-12-07 23:51, Khem Raj wrote:
On (04/12/11 11:35), Richard Purdie wrote:
On Sun, 2011-12-04 at 12:20 +0100, Henning Heinold wrote:
On Sat, Dec 03, 2011 at 09:03:46PM +0100, Ulf Samuelsson wrote:
Have made some further tests with the same machine, but now running
Ubuntu 11.04 x64

bitbake console-image

     PARALLEL_TASKS        BB_NUMBER_TASKS        BUILD TIME
     2                                  2
1:24:16
     4                                  4
0:48:22
     6                                  6
0:45:00
     24                                24
C++ compiler fails with --sysroot problem
         after ~2200 out of 2400 tasks.



BR
Ulf
Hi Ulf,

can you try the attached patch if it solves the problem?
Does this really fix the problem.

It  apparently fixes the symptoms at least (but I didn't do many tests.
On the other hand, the performance improvement seems minimal
once your past 6-8, even on a hexa core machine.

Can someone please explain to me how this would fix the problem?

If this were the issue shouldn't it either always work or always fail?

I'm worried that even if this does "fix" the problem, there is a deeper
issue lurking somewhere :(
We use --with-local-prefix and then also --with-gxx-include-dir which
points to /usr/include/c++

Now the documentation says that --with-gxx-include-dir is an absolute
path but if sysroot gets prepended to it or not I am not clear yet
if sysroot gets prepended to it then we should be in safe spot


Cheers,

Richard


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--
Best Regards
Ulf Samuelsson
eMagii


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