[gentoo-user] Re: Minimal kernel tree for building out-of-tree modules?

[Grant Edwards]

On 2010-12-10, Grant Edwards <grant.b.edwards@×××××.com> wrote:

> After I've built and installed a kernel and the in-tree-modules, is
> there a way to clean the kernel source/build tree down to the minimal
> set of files needed to build out-of-tree modules?
>
> I think you would end up with the same files that you would have
> after doing "make modules_prepare" in a clean source tree with the
> addition of the Module.symvers file.

BTW, I did find where the kernel's top Makefile says:

  @echo  'Cleaning targets:'
  @echo  '  clean  - Remove most generated files but keep the config and'
  @echo  '           enough build support to build external modules'

Unfortunately, that's not true.  Trying to build an external module
fails because linux/bounds.h is missing. :/

I guess you just have to do a "make modules_prepare".
  
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