RE: Make 3.81 and 3.82 break on parallel build

[Lawrence Ibarria]

Does it still happen if you do a clean first?

  -- Lawrence


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> Sent: Wednesday, November 16, 2011 1:41 PM
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> Subject: Re: Make 3.81 and 3.82 break on parallel build
> 
> > Although this could be a bug, it's more likely, IMO, that your
> > target/prerequisite requirements are not correctly stated.
> >
> > For example, it could be that you use slightly different paths so that
> > make doesn't realize these two libraries are really the same thing, and
> > the dependencies aren't being propagated properly.
> No. The paths to the libraries are the same (like I said, the files are
> machine generated.).
> >
> > Try running make with the -p option so it prints its internal database.
> > Are the prerequisites you expect to see for somedir/libfoo.so really
> > there?
> Yes.
> >
> > Try running the parallel version with -d (redirect the output because
> > it's voluminous) and see what make says about trying to build
> > somedir/libfoo.so: what does it say about the somedir/libbar.so
> > prerequisite?
> That it does not exist, so it fails. But if run not-parallel, it correctly
> identifies it must be built first.
> 
> 
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