linux-kernel - Re: [PATCH] samples: build fix

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Date:	Thu, 14 Feb 2008 08:27:52 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Sam Ravnborg <sam@...nborg.org>, Roland McGrath <roland@...hat.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] samples: build fix

* Roland McGrath (roland@...hat.com) wrote:
> 
> The samples/ subdirectory contains only modules.
> But the only make run done there is in commands for vmlinux.
> I can't see why this was ever done in this nonstandard fashion.
> As things stand, the modules don't get built by 'make modules'.
> 
> I didn't make the addition of the directory use core-$(CONFIG_SAMPLES)
> because there is no other conditional like that in the top-level Makefile
> and samples/Makefile already uses obj-$(CONFIG_SAMPLES) as if it expects
> always to be included.
> 

Sam, is this ok with the samples intent ? I think as long as we do not
include them with the kernel image and have a "make samples" to build
them, it's ok. Having them built upon make modules seems like a good
idea to me.

Mathieu

> Signed-off-by: Roland McGrath <roland@...hat.com>
> ---
>  Makefile |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index c162370..9e9ce33 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -602,7 +602,7 @@ export mod_strip_cmd
>  
>  
>  ifeq ($(KBUILD_EXTMOD),)
> -core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/
> +core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/ samples/
>  
>  vmlinux-dirs	:= $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
>  		     $(core-y) $(core-m) $(drivers-y) $(drivers-m) \
> @@ -802,9 +802,6 @@ vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o $(kallsyms.o)
>  ifdef CONFIG_HEADERS_CHECK
>  	$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
>  endif
> -ifdef CONFIG_SAMPLES
> -	$(Q)$(MAKE) $(build)=samples
> -endif
>  	$(call vmlinux-modpost)
>  	$(call if_changed_rule,vmlinux__)
>  	$(Q)rm -f .old_version

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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