linux-kernel - Re: [PATCH] genksyms: Include scripts/Makefile.lib

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Date:	Mon, 09 Jun 2014 23:21:15 +0200
From:	Michal Marek <mmarek@...e.cz>
To:	Guido Günther <agx@...xcpu.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] genksyms: Include scripts/Makefile.lib

Dne 23.5.2014 15:15, Guido Günther napsal(a):
> Otherwise when building out of tree like
> 
> make V=1 O=/var/scratch/kernel/
> 
> it fails like
> 
> make -f /home/agx/linux/scripts/Makefile.build obj=scripts
> make -f /home/agx/linux/scripts/Makefile.build obj=scripts/genksyms
> (cat /dev/null; ) > scripts/genksyms/modules.order
>   gcc -Wp,-MD,scripts/genksyms/.lex.lex.o.d -Iscripts/genksyms -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer  -I/home/agx/linux/scripts/genksyms -Iscripts/genksyms -c -o scripts/genksyms/lex.lex.o scripts/genksyms/lex.lex.c
> scripts/genksyms/lex.lex.c_shipped:567:23: fatal error: parse.tab.h: No such file or directory
> compilation terminated.
> scripts/Makefile.host:134: recipe for target 'scripts/genksyms/lex.lex.o' failed
> make[3]: *** [scripts/genksyms/lex.lex.o] Error 1
> /home/agx/linux/scripts/Makefile.build:465: recipe for target 'scripts/genksyms' failed
> make[2]: *** [scripts/genksyms] Error 2
> /home/agx/linux/Makefile:542: recipe for target 'scripts' failed
> 
> Signed-off-by: Guido Günther <agx@...xcpu.org>
> ---
> 
> I'm not sure wether this is the root cause and would be happy any
> input on where to dig. GNU make is version 4.0.
> 
>  scripts/genksyms/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile
> index aca33b9..1d86d14 100644
> --- a/scripts/genksyms/Makefile
> +++ b/scripts/genksyms/Makefile
> @@ -1,3 +1,4 @@
> +include scripts/Makefile.lib
>  
>  hostprogs-y	:= genksyms
>  always		:= $(hostprogs-y)

scripts/Makefile.lib is included by the Makefile that includes
scripts/genksyms/Makefile. So this is certainly not the right fix. With
which kernel version are you seeing this and what are the exact steps to
reproduce? Also please attach the full log leading to the failure.
Needless to say, I can't reproduce it.

Thanks,
Michal

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