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From: Max Laier <max@love2party.net>
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To: "Dag-Erling Smorgrav" <des@freebsd.org>
Date: Tue, 17 Aug 2010 22:52:08 +0200
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
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Subject: Re: svn commit: r211436 - head
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On Tuesday 17 August 2010 22:26:17 Dag-Erling Smorgrav wrote:
> Author: des
> Date: Tue Aug 17 20:26:17 2010
> New Revision: 211436
> URL: http://svn.freebsd.org/changeset/base/211436
> 
> Log:
>   Split kernel stage 3.2 (build everything) into 3.2 (build the kernel)
>   and 3.3 (build the modules).  IMHO, this makes it a little easier to
>   track the progress of a kernel build using whereintheworld et al.

I believe this kills "make -j" performance as the module build does depth 
first and there's hardly any opportunity for parallelism in the individual 
modules.

Max

>   MFC after:	3 weeks
> 
> Modified:
>   head/Makefile.inc1
> 
> Modified: head/Makefile.inc1
> ===========================================================================
> === --- head/Makefile.inc1	Tue Aug 17 17:30:56 2010	(r211435)
> +++ head/Makefile.inc1	Tue Aug 17 20:26:17 2010	(r211436)
> @@ -814,9 +814,16 @@ buildkernel:
>  .endif
>  	@echo
>  	@echo "--------------------------------------------------------------"
> -	@echo ">>> stage 3.2: building everything"
> +	@echo ">>> stage 3.2: building the kernel"
>  	@echo "--------------------------------------------------------------"
> -	cd ${KRNLOBJDIR}/${_kernel}; ${KMAKE} all -DNO_MODULES_OBJ
> +	cd ${KRNLOBJDIR}/${_kernel}; ${KMAKE} kernel-all -DNO_MODULES_OBJ
> +	@echo
> +.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) &&
> exists(${KERNSRCDIR}/modules) +	@echo
> "--------------------------------------------------------------" +	@echo
> ">>> stage 3.3: building the modules"
> +	@echo "--------------------------------------------------------------"
> +	cd ${KRNLOBJDIR}/${_kernel}; ${KMAKE} modules-all -DNO_MODULES_OBJ
> +.endif
>  	@echo "--------------------------------------------------------------"
>  	@echo ">>> Kernel build for ${_kernel} completed on `LC_ALL=C date`"
>  	@echo "--------------------------------------------------------------"