Re: [pde-build-dev] cyclic dependencies in PDE build (but there are no c

[Markus Knauer <mknauer@xxxxxxxxxxxxxx>]

Thanks, Andrew and David, you helped a lot and especially the new 
allowBinaryCycles seems to be very helpful. If possible I will try to move 
our build to 3.4 and try your suggested solution.

Thanks,
Markus




On Wednesday 28 May 2008, Andrew Niefer wrote:
> In 3.4 we support simple cycles in which all bundles are binary except for
> 1 which needs to be compiled.
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=208011#c22
>
> In this situation, you could compile A & B first and then separately
> compile A' with "allowBinaryCycles=true".
>
> I believe your case is an instance of
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=215030 where the cycle is
> purely runtime and doesn't exist at compile time.
>
> -Andrew
>
>
>
>
> David Olsen <David.Olsen@xxxxxxxxxx>
> Sent by: pde-build-dev-bounces@xxxxxxxxxxx
> 05/28/2008 12:49 PM
> Please respond to
> "Eclipse PDE Build developers list." <pde-build-dev@xxxxxxxxxxx>
>
>
> To
> "Eclipse PDE Build developers list." <pde-build-dev@xxxxxxxxxxx>
> cc
>
> Subject
> Re: [pde-build-dev] cyclic dependencies in PDE build (but there are no
> cycles...)
>
>
>
>
>
>
>
> A fragment is an extension of its host plugin and, in some respects, is
> not really a separate entity by itself.  So the host plugin inherits all
> the dependencies that are listed in the fragment.  Therefore, if you have
>
> >   Fragment A' with A as a host
> >   B has a dependency to A
> >   A' has a dependency to B
>
> then you have a circular dependency.  A (via A') depends on B and B
> depends on A.
>
> > Is there a solution (maybe build order, something else...) that I am not
>
> aware
>
> > of, or is this something without a solution and we need to change the
> > fragment to a plugin?
>
> The problem can't be fixed by changing the build order.  The two solutions
> I can think of are:
> 1. Remove B's dependency on A.  (Maybe by moving parts of B to A'.)
> 2. Change A' from a fragment to a plugin.
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