[Insight-developers] the same command is sometime ran twice at the same time with make -j2

[Gaëtan Lehmann]

Le Fri, 19 Jan 2007 17:52:03 +0100, Bill Hoffman  
<bill.hoffman at kitware.com> a écrit:

> Gaetan Lehmann wrote:
>>
>> Hi Bill,
>>
>> There is a problem I see from time to time while building WrapITK: a  
>> file is generated 2 times at the same time. It can lead to an invalid  
>> generated file.
>> I see that on linux, but also on windows:
>>
>> http://www.itk.org/Testing/Sites/peuplier.jouy.inra.fr/Win32-VCExpress2005/20070119-0100-Nightly/BuildError.html  
>> The command needed to generate the file  
>> wrap_itkFiniteDifferenceImageFilter.xml is run twice at the same time.
>>
>> Do you know how to fix that ? Is it a cmake bug ?
> There are no notes for the build, so I am not sure what options are  
> being used.   Is it building tcl and Java?

java, tcl and python

> VS 2005 can do parallel builds, so my guess is that there are two  
> separate targets that both try to generate that xml file.  But the  
> targets are not depending on each other in anyway.  A few  
> add_target_depends might fix it.

I can't find any reference to add_target_depends anywhere.
Shouldn't cmake take care of that by itself ?

Gaetan

-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr