[U-Boot] buildman with distcc

[York Sun]

On 11/13/2014 04:30 PM, Simon Glass wrote:
> Hi York,
> 
> On 13 November 2014 17:17, York Sun <yorksun at freescale.com> wrote:
>> On 11/13/2014 04:14 PM, Simon Glass wrote:
>>> Hi York,
>>>
>>> On 13 November 2014 17:02, York Sun <yorksun at freescale.com> wrote:
>>>> On 11/13/2014 04:01 PM, Simon Glass wrote:
>>>>> Hi York,
>>>>>
>>>>> On 13 November 2014 16:03, York Sun <yorksun at freescale.com> wrote:
>>>>>>
>>>>>> On 11/13/2014 03:01 PM, York Sun wrote:
>>>>>>> Simon,
>>>>>>>
>>>>>>> Is it possible to use buildman with distcc? I am trying to speed up compiling.
>>>>>>> Using MAKEALL or make I can specify CROSS_COMPILE="distcc <path to toolchain". I
>>>>>>> don't know how to do this with buildman.
>>>>>>>
>>>>>>
>>>>>> I meant to use buildman with multiple architectures, like 'arm & freescale'
>>>>>> powerpc aarch64 together.
>>>>>
>>>>> I wonder what would happen if you put it in the '[toolchain]' section
>>>>> of ~/.buildman ?
>>>>>
>>>>
>>>> buildman --list-tool-chains cannot detect the toolchain if doing so.
>>>
>>> No, it works by looking for filenames rather than running the command
>>> line. But that should not affect operation.
>>
>> The path in ./.buildman is partial. buildman appends other stuff to make a
>> complete path. I need to put double quote for "distcc <my path prefix>". I don't
>> see how that could work.
> 
> It doesn't have to - if you give a complete path then it will use it.
> You might need to change things in toolchain.py to make it work. See
> MakeEnvironment() which sets up the environment for Make -
> CROSS_COMPILE, PATH.
> 
> Yes, one problem is that buildman uses objsize to find out the
> code/data size. How can that work with distcc?

Probably it won't.

> 
>>
>>>
>>>>
>>>> If not using buildman, I can modify Makefile to prefix distcc to CC and keep
>>>> using MAKEALL.
>>>
>>> Indeed. I wonder why that doesn't work with buildman?
>>
>> Doesn't buildman checkout each commit? Modifying the Makefile doesn't survive a
>> checkout.
> 
> Well if you are using that feature out certainly can't use MAKEALL
> since it doesn't support it. If you leave off the branch (-b) buildman
> will build the current source and not check anything out.
> 

I like to use buildman to build all the commits.

Can I force CC with buildman?

York