[OE-core] [PATCH v2 1/3] module.bbclass: use Module.symvers for dependants

[Denys Dmytriyenko]

On Thu, Nov 17, 2016 at 10:22:18AM +0000, André Draszik wrote:
> Hi,
> 
> On Wed, 2016-11-16 at 15:18 -0500, Denys Dmytriyenko wrote:
> > On Thu, Aug 18, 2016 at 08:56:24AM +0100, André Draszik wrote:
> > >  
> > > @@ -24,6 +34,11 @@ module_do_install() {
> > >  	           CC="${KERNEL_CC}" LD="${KERNEL_LD}" \
> > >  	           O=${STAGING_KERNEL_BUILDDIR} \
> > >  	           ${MODULES_INSTALL_TARGET}
> > > +
> > > +	install -d -m0755 ${D}${includedir}/${BPN}
> > > +	cp -a --no-preserve=ownership ${B}/Module.symvers
> > > ${D}${includedir}/${BPN}
> > 
> > Hmm, why is Module.symvers expected to be in the root of ${B}? This seems
> > like 
> > a very artificial assumption/requirement!
> 
> [...]
> 
> > I wonder if this should have been rolled into ${MODULES_INSTALL_TARGET} 
> > step...
> 
> What about adding a (lazy ?=) variable to be able to override the location
> of Module.symvers within ${B}, or alternatively using find to automatically
> detect it? I guess there could also be more than one in theory? Do you have
> something different in mind?

Yes, find will probably be too ambiguous, but I like the variable idea to 
point to Module.symvers within ${B}!

For now I have a workaround to do an extra copy in do_install_prepend(), which 
is not very elegant...

-- 
Denys