linux-kernel - 5.14-rc0: regression when compiling tools/objtool

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Message-ID: <20210711091729.GA22833@duo.ucw.cz>
Date:   Sun, 11 Jul 2021 11:17:29 +0200
From:   Pavel Machek <pavel@....cz>
To:     kernel list <linux-kernel@...r.kernel.org>, jpoimboe@...hat.com,
        peterz@...radead.org, mingo@...nel.org
Subject: 5.14-rc0: regression when compiling tools/objtool

Hi!

I'm getting build errors trying to build 5.14-rc0. Earlier -rc0
releases built okay. This is 64-bit x86 build, 32-bit x86 and arm
build okay for me, too. Attaching config, as it may be related?

Best regards,						pavel

  CC      /fast/l/k/o/64/tools/objtool/check.o
  CC      /fast/l/k/o/64/tools/objtool/weak.o
  CC      /fast/l/k/o/64/tools/objtool/arch/x86/special.o
  CC      /fast/l/k/o/64/tools/objtool/arch/x86/decode.o
In file included from /fast/l/k/tools/objtool/include/objtool/objtool.h:13,
                 from /fast/l/k/tools/objtool/include/objtool/arch.h:11,
                 from /fast/l/k/tools/objtool/include/objtool/check.h:11,
                 from /fast/l/k/tools/objtool/include/objtool/special.h:10,
                 from arch/x86/special.c:4:
/fast/l/k/tools/objtool/include/objtool/elf.h:10:10: fatal error: gelf.h: No such file or directory
 #include <gelf.h>
          ^~~~~~~~
compilation terminated.
make[5]: *** [/fast/l/k/tools/build/Makefile.build:97: /fast/l/k/o/64/tools/objtool/arch/x86/special.o] Error 1
make[5]: *** Waiting for unfinished jobs....
In file included from /fast/l/k/tools/objtool/include/objtool/objtool.h:13,
                 from weak.c:10:
/fast/l/k/tools/objtool/include/objtool/elf.h:10:10: fatal error: gelf.h: No such file or directory
 #include <gelf.h>
          ^~~~~~~~
compilation terminated.

-- 
http://www.livejournal.com/~pavelmachek

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