Re: [Xenomai] __ipipe_root_status exported GPL only but used to be not GPL only and is breaking other code

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On Wed, Dec 10, 2014 at 02:02:40PM -0500, Lennart Sorensen wrote:
> On Wed, Dec 10, 2014 at 07:42:32PM +0100, Gilles Chanteperdrix wrote:
> > On Wed, Dec 10, 2014 at 01:37:47PM -0500, Lennart Sorensen wrote:
> > > I just encountered an issue compiling an external kernel module which
> > > compiled fine with 3.0 kernel but with new kernels I get a linker error
> > > about __ipipe_root_status
> > > 
> > > This used to be just EXPORT_SYMBOL, but not is EXPORT_SYMBOL_GPL which
> > > breaks the compile.  I am pretty sure module does not call anything in
> > > the kernel flagged EXPORT_SYMBOL_GPL, so it must be something ipipe
> > > gets involved with somehow that is making it fail.  I haven't traced
> > > down exactly how it is happening yet.
> > > 
> > > Is there any reason this symbol export was changed in newer versions?
> > 
> > Xenomai does not support modules with non GPL license.
> 
> Well it used to.  Or rather it used to not break the rest of the kernel
> from supporting it.
> 
> Unfurtunately T1/E1 management software does not exist in free software
> versions.

Ah, you mean the problem is with a module which does not use Xenomai
? That is unfortunate.

-- 
					    Gilles.