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

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Date:	Sun, 22 Jun 2014 14:16:00 +0200
From:	Guido Günther <agx@...xcpu.org>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] genksyms: Include scripts/Makefile.lib

On Mon, Jun 09, 2014 at 11:21:15PM +0200, Michal Marek wrote:
> 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.

Hmm....this was v3.15-rc6 but I can't reproduce this either with a
current Debian sid. In case this pops up again I'll send the full log.
Thanks,
 -- Guido
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