On the face of things this looks like it is moving modules to the kernel build standards. My 2c is that this is a good idea. To really make it work you will need buy-in from the RTAI people too.
> I don't even pretend to understand this, but think it probably needs > to be seen by someone who does. The aim is to suppress some error > messages that are produced when compiling with "comp" > > > ---------- Forwarded message ---------- > > My proposal for getting out of this sandpit ist following: > > 1.) the emc2 modules do not have a Modules.symvers file. This file > holds the dependencies of extern defined functions. > 2.) the rtai modules do have this file. > > So to get it work to check dependencies to avoid the above mentioned > warnings, we must have a Modules.symvers file too for emc modules. > > This is a little more work to do. And when we want to do it, then we > should correct the whole things for modules, like not living in > standard kernel trees. > > Advice from kernel.org is to use > > /lib/modules/kernel-vers/extra/rtai and ../emc > > My proposal is to use > > /lib/modules/kernel-vers/extra/emc > /lib/modules/kernel-vers/extra/rtai > > The next point is, if we do so: > > The kernel Makefile syntax for external modules was changed, this is > not dramatically but we can write it shorter in our template. > > New line for rtai modules would be: > > $(MAKE) -C $(KERNELDIR) M=$(RTAIMOD) O=$(RTAIMOD) > > with > > RTAIMOD := /lib/modules/linux-2.6.32-122-rtai/modules/extra/rtai > KERNELDIR := /usr/src/linux-headers-2-6-32-rtai > > and for emc modules: > > $(MAKE) -C $(KERNELDIR) M=$(EMCMOD) O=$(EMCMOD) > > with > > EMCMOD := /lib/modules/linux-2.6.32-122-rtai/modules/extra/emc > KERNELDIR := /usr/src/linux-headers-2-6-32-rtai > > If we do it in this way, the O=.... can be omitted. > > In former times you have to use KERNEL_EXTMOD Variable for something > like that. > > Or, if do NOT want this, we should generate at least the > Modules.symvers file for emc modules. > > Kind Regards > > Wolfgang > ----- ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
