On Thu, Mar 03, 2016 at 04:48:01PM +0530, Sudip Mukherjee wrote:
> On Thu, Mar 03, 2016 at 04:30:18PM +0530, Sudip Mukherjee wrote:
> > On Thu, Mar 03, 2016 at 05:09:26PM +1100, Stephen Rothwell wrote:
> > > Hi all,
> > >
> > > Changes since 20160302:
> >
> > With next-20160301 and next-20160302 I am having problem in allmodconfig
> > build of x86_64. The error being:
> >
> > In file included from builtin-check.c:32:0:
> > elf.h:22:18: fatal error: gelf.h: No such file or directory
> > compilation terminated.
> > In file included from elf.c:30:0:
> > elf.h:22:18: fatal error: gelf.h: No such file or directoryIn file
> > included from special.h:22:0,
> > from special.c:26:
> > elf.h:22:18: fatal error: gelf.h: No such file or directory
> > compilation terminated.
> >
> > I have intsalled libelf-dev and now make allmodconfig && make -j8 works
> > but if I am trying make O=nextbuild allmodconfig && make O=nextbuild -j8
> > it again fails with the error:
> > scripts/Makefile.include:3: *** O=nextbuild does not exist. Stop.
> >
> > But this has been my normal workflow and I do have a valid directory
> > called nextbuild.
> >
> > Am i the only one hitting this error? Do i need to bisect or it is a
> > known issue?
>
> Well, the fastest bisect I have ever done. :)
> bisect shows the first bad commit as:
> d4883d5d6b14 ("objtool: Enable stack metadata validation on 64-bit x86")
>
> After reverting it the issue I am facing is fixed.
>
> Adding Cc to: Josh Poimboeuf, Ingo Molnar and Andrew Morton
Hi Sudip,
It looks like setting 'O=' with a relative path is broken. I'll have a
patch to fix it shortly.
I'll also try to improve the error message for when libelf-dev isn't
installed.
--
Josh
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