Re: Export objs from an external Makefile?

From: Tom Rini (
Date: Thu Oct 11 2001 - 18:57:34 EST

On Fri, Oct 12, 2001 at 09:42:05AM +1000, Keith Owens wrote:
> On Thu, 11 Oct 2001 09:35:32 -0700,
> Tom Rini <> wrote:
> >Hey all. How do you do the 'export-objs' bits in a kernel module that's
> >outside of the kernel? Thanks..
> Compile with -DMODULE -DEXPORT_SYMTAB. If the kernel has modversions,
> add -DMODVERSIONS -include $(HPATH)/linux/modversions.h. The safest
> way is to compile a module in the kernel that exports the objects then
> copy the command, substituting the file names.

I think I managed to get things right. I added -DEXPORT_SYMTAB to the
default flags and added:
CFLAGS_EXTRA += $(shell if [ -f $(KERNEL_HEADERS)/linux/modversions.h ]; \
                        then echo -include \
                        $(KERNEL_HEADERS)/linux/modversions.h; fi)

Tom Rini (TR1265)
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