Svn Update and dependencies

Hi everyone,

I am using CruiseControl with C++ projects and I am wondering something about svn updates and dependencies.

Let's say I have a Project A and a Project B that depends on the Project A.

For each project, I have a svn update target which updates all the trunk. Actually I'm obliged to do so in order the dependencies to be built correctly (the project B has a dependency with the project A, so project A must be up to date when I build project B).

So it's time for the project A to build : Svn update + build (because there has been a modification)
Now it's time for the project B to build : Svn update + build ?

Will project B do the update, find no modifications and won't build ?

I hope I have been clear enough...

Thanks ! Pierre-Julien

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