On 10/26/15 19:03, John Baldwin wrote:
On Monday, October 26, 2015 10:11:43 AM Hans Petter Selasky wrote:

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}
  .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/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 

(If it's only 1 module directory you can probably just use SUBDIR_OVERRIDE 

make tinderbox MAKE_JUST_WORLDS=yes SUBDIR_OVERRIDE=sys/modules/foo

Hi John,

The command you suggested will re-build all the cross-tools, which is not what I want.

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