Date: Mon, 26 Oct 2015 11:03:07 -0700 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Hans Petter Selasky <hps@selasky.org> Subject: Re: Quick test building a module cross all targets and architectures Message-ID: <5888922.UHSgpdyTWY@ralph.baldwin.cx> In-Reply-To: <562DEE4F.5010203@selasky.org> References: <562DEE4F.5010203@selasky.org>
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On Monday, October 26, 2015 10:11:43 AM Hans Petter Selasky wrote:
> Hi,
>
> We have NO_MODULES for building kernel without modules, but no NO_KERNEL
> to only build the modules.
>
> What do you think about the following patch:
>
> > diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
> > index ddf828e..f0920df 100644
> > --- a/sys/conf/kern.post.mk
> > +++ b/sys/conf/kern.post.mk
> > @@ -32,7 +32,11 @@ KERN_DEBUGDIR?= ${DEBUGDIR}
> >
> > .for target in all clean cleandepend cleandir clobber depend install \
> > obj reinstall tags
> > +.if !defined(NO_KERNEL)
> > ${target}: kernel-${target}
> > +.else
> > +${target}:
> > +.endif
> > .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
> > ${target}: modules-${target}
> > modules-${target}:
>
> It allows only a single module with MODULES_OVERRIDE= and NO_KERNEL=YES
> to be built with universe in very little time. This can save a lot of
> build time when changes are limited to a set of kernel modules.
Can you just use something like MODULES_WITH_WORLD instead?
make tinderbox MAKE_JUST_WORLDS=yes SUBDIR_OVERRIDE=sys/modules MODULES_OVERRIDE=foo
(If it's only 1 module directory you can probably just use SUBDIR_OVERRIDE directly?)
make tinderbox MAKE_JUST_WORLDS=yes SUBDIR_OVERRIDE=sys/modules/foo
--
John Baldwin
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