[Scons-users] Build goes into one thread, while -j8 set

Bill Deegan bill at baddogconsulting.com
Fri May 6 11:48:24 EDT 2016


You may want to look at the output of:

scons --tree=prune
Under 2.5.0 and 2.1.0 to better understand what new dependencies may have
been discovered by the changes William Blevins mentions are in 2.5.0

-Bill

On Fri, May 6, 2016 at 11:43 AM, William Blevins <wblevins001 at gmail.com>
wrote:

> 2.5.0 corrected an issue with missing dependencies, so your dependency
> trees "may" be different. Previously, heterogeneous builds did not discover
> implicit dependencies under contexts requiring a scanner change.
>
> V/R,
> William
>
> On Fri, May 6, 2016 at 1:39 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Any chance you can create a small test case to demonstrate?
>> Are you using SideEffect() anywhere?
>>
>> -Bill
>>
>> On Fri, May 6, 2016 at 7:56 AM, Непомнящий Евгений <
>> johnny at topazelectro.ru> wrote:
>>
>>> Hello!
>>>
>>> I have scons 2.1.0 and scons 2.5.0
>>>
>>> If I run
>>> scons-2.1.0 -j8
>>> , I see 8 compiler threads in windows task manager. But If I run
>>> scons-2.5.0 -j8
>>> , I see only 1 compiler thread. There is no warnings or something
>>> strange in scons output.
>>>
>>> Project is my own and SConscruct is big and complex, it use my own tools
>>> and other sconscript files.
>>>
>>> Can you point me, what can be wrong? Or what debug info can I receive
>>> from
>>> scons?
>>>
>>> Windows 7 x64, python 2.7 x32 with pywin32.
>>>
>>> Thank you
>>> _______________________________________________
>>> Scons-users mailing list
>>> Scons-users at scons.org
>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>
>>
>>
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>>
>
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