linux-kernel - scripts/gcc-plugins/gcc-common.h:4:22: fatal error: bversion.h: No such file or directory

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Date:   Sun, 6 Nov 2016 07:09:57 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Emese Revfy <re.emese@...il.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Michal Marek <mmarek@...e.com>
Subject: scripts/gcc-plugins/gcc-common.h:4:22: fatal error: bversion.h: No
 such file or directory

Hi Emese,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ffbcbfca846ed117e3d4009acfbf1e1590c56b2f
commit: 543c37cb165049c3be24a0d4733e67caa2b33eef Add sancov plugin
date:   5 months ago
config: x86_64-randconfig-in0-11060649 (attached as .config)
compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4
reproduce:
        git checkout 543c37cb165049c3be24a0d4733e67caa2b33eef
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   scripts/Makefile.gcc-plugins:17: warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
   ++(scripts/gcc-plugin.sh:2): main(): dirname scripts/gcc-plugin.sh
   +(scripts/gcc-plugin.sh:2): main(): srctree=scripts
   ++(scripts/gcc-plugin.sh:3): main(): gcc-4.6 -print-file-name=plugin
   +(scripts/gcc-plugin.sh:3): main(): gccplugins_dir=plugin
   ++(scripts/gcc-plugin.sh:12): main(): gcc-4.6 -E -x c++ - -o /dev/null -Iscripts/gcc-plugins -Iplugin/include
   +(scripts/gcc-plugin.sh:12): main(): plugincc='In file included from <stdin>:1:0:
>> scripts/gcc-plugins/gcc-common.h:4:22: fatal error: bversion.h: No such file or directory
   compilation terminated.'
   +(scripts/gcc-plugin.sh:14): main(): '[' 1 -ne 0 ']'
   +(scripts/gcc-plugin.sh:16): main(): exit 1
   scripts/Makefile.gcc-plugins:30: warning: your gcc installation does not support plugins, perhaps the necessary headers are missing?
   In file included from scripts/gcc-plugins/sancov_plugin.c:22:0:
>> scripts/gcc-plugins/gcc-common.h:4:22: fatal error: bversion.h: No such file or directory
    #include "bversion.h"
                         ^
   compilation terminated.
   make[2]: *** [scripts/gcc-plugins/sancov_plugin.o] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [gcc-plugins] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +4 scripts/gcc-plugins/gcc-common.h

6b90bd4b Emese Revfy 2016-05-24  1  #ifndef GCC_COMMON_H_INCLUDED
6b90bd4b Emese Revfy 2016-05-24  2  #define GCC_COMMON_H_INCLUDED
6b90bd4b Emese Revfy 2016-05-24  3  
6b90bd4b Emese Revfy 2016-05-24 @4  #include "bversion.h"
6b90bd4b Emese Revfy 2016-05-24  5  #if BUILDING_GCC_VERSION >= 6000
6b90bd4b Emese Revfy 2016-05-24  6  #include "gcc-plugin.h"
6b90bd4b Emese Revfy 2016-05-24  7  #else

:::::: The code at line 4 was first introduced by commit
:::::: 6b90bd4ba40b38dc13c2782469c1c77e4ed79915 GCC plugin infrastructure

:::::: TO: Emese Revfy <re.emese@...il.com>
:::::: CC: Michal Marek <mmarek@...e.com>

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