On 29 March 2012 00:02, Andrew Stubbs <andrew.stu...@linaro.org> wrote:
> On Tue 27 Mar 2012 22:03:45 BST, Michael Hope wrote:
>>
>> The PandaBoard auto builders are having a hard time keeping with
>> longer build and test times of 4.7 and the re-enabled libstdc++ tests.
>>  For reference, here's how much each step costs:
>>
>> Bootstrap GCC with C, C++, Fortran, and Obj-C: 9 hours
>> Test GCC: 9.5 hours
>> Test libstdc++: 4.4 hours
>> Test libgomp: 0.9 hours
>> Other tests: 0.2 hours
>>
>> for a grand total of 23.8 hours.  Every new commit gives a merge
>> request and trunk build for both A9 and ARMv5 giving 95 hours of
>> compute time.  GCC 4.6 takes five hours to build and 5.5 to test.
>>
>> This is just a FYI.  I'll think about ways of speeding things up or
>> adding capacity.  An i.MX6 with 2 GB of RAM and SATA would be nice...
>
>
> Have you experimented with --disable-build-with-cxx and/or
> --disable-build-poststage1-with-cxx? (Actually, I think only the latter is
> enabled by default.) I know C++ takes longer to compile, so maybe C takes
> longer with the C++ compiler also?
>
> Of course, it might be that this ceases to be an option sooner or later, if
> GCC takes the plunge and uses C++ features.

Yeah.  I don't want to stray from the default configuration.

-- Michael

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