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

[Andrew Niefer <aniefer@xxxxxxxxxx>]

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
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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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