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Use of Libraries in different Projects [message #1009536]

Fri, 15 February 2013 09:38

Steffen Slavetinsky

Messages: 1
Registered: February 2013

Junior Member

Hello,
i wonder if it is possible to use a Library which is defined in one Eclipse Project in an other Project.
Simply importing it doesn't seem to work.
Does anybody have a solution to this?
Thanks Steffen

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Re: Use of Libraries in different Projects [message #1012796 is a reply to message #1009536]

Fri, 22 February 2013 08:37

Christopher Gerking

Messages: 103
Registered: April 2011

Senior Member

Hi

I think what you are trying to achieve is known as "cross-project build". Existing code for that feature has been commented out from class ProjectDependencyHelper in the course of the following bugzilla:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=307676

I have no clue about the exact reasons for removing the PDE dependency. Code comments state that cross-project builds were never fully supported. No idea what this exactly means. I must say that the code doesn't look so bad at first glance.

Since I consider this as a crucial feature towards dividing transformations into smaller reusable parts, my plan is to re-enable cross-project builds. However, I'm afraid this won't happen before May since I'm very busy right now.

What you could try at the moment is to deploy your library in a plugin that contributes an extension for

org.eclipse.m2m.qvt.oml.runtime.qvtTransformation

. This might enable some advanced resolving capabilities when executing your transformation from a platform that runs your plugin. Compilation errors could then be successfully ignored at runtime. However, this is just a hope, never tried this before.

Regards
Christopher

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Re: Use of Libraries in different Projects [message #1325656 is a reply to message #1012796]

Thu, 01 May 2014 10:10

Christine Gerpheide

Messages: 21
Registered: January 2014
Location: Netherlands

Junior Member

Is there any update on this? The bug (https://bugs.eclipse.org/bugs/show_bug.cgi?id=307676) is listed as resolved/fixed, but it doesn't seem to work and no patches are attached and the last comments there don't sound promising.

We would also *very* much like to have cross-project build support in QVTo, since we have far too many transformations to keep them all in the same project. Even a new dependency is much preferred to our current solution.

I've also added a comment on the bug itself.

Thank you to anyone who knows about this,
Chris

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