[Scons-users] Errors in parallel builds after updating from SCons 2.3.0 -> 2.3.5

[William L Blevins]

On September 25, 2015, at 4:32 PM, mg at ncp-e.com wrote:

>>    1. Can you provide a sample SConstruct/SConscript set that contains this
>>    problem?
>That is a difficult task due to the high amount of custom code in our
>build system. Still I'll try look into it next week.
>>    2. SCons 2.4.0 is available, so could you give the latest version a try? 
>>    I don't think this will solve the issue though.
>No it didn't. I've now backtraced the SCons versions and it turns out
>that 2.3.0 was the last version in which our setup worked correctly
>with multiple jobs. In 2.3.1 the bug already occurs.
>Could it be that this entry from 2.3.1's changelog has something to do
>with it:
>From Dirk Baechle:
>- Added release_target_info() to File nodes, which helps to
>  reduce memory consumption in clean builds and update runs
>  of large projects.
It's possible.  Since this appears to be a race condition, any performance increase/decrease could cause a resulting error, but it's unlikely a bug in that code. 
>Thanks for the help
>Matthias
>-- 
>Matthias Gerstner, Dipl.-Wirtsch.-Inf. (FH)
>Entwicklung
>NCP engineering GmbH
>Dombühler Straße 2, D-90449, Nürnberg
>Geschäftsführer Peter Söll, HRB-Nr: 77 86 Nürnberg
>Telefon: +49 911 9968-153, Fax: +49 911 9968-229
>E-Mail: Matthias.Gerstner at ncp-e.com
>Internet: http://www.ncp-e.com
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