Comment # 2 on bug 988009 from Matthias Brugger

(In reply to Andreas Schwab from comment #1)
> [  266s] ../scripts/gcc-plugin.sh: line 19: g++: command not found
> 
> Fix that first.

I added "BuildRequires:  gcc-c++" to kernel-vanilla.spec which did only help
partially:

[  118s] In file included from <stdin>:1:0:
[  118s] ../scripts/gcc-plugins/gcc-common.h:4:22: fatal error: bversion.h: No
such file or directory
[  118s]  #include "bversion.h"
[  118s]                       ^
[  118s] compilation terminated.
[  118s] Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support
plugins, perhaps the necessary headers are missing?
[  118s] make[1]: *** [scripts/Makefile.gcc-plugins:50: gcc-plugins-check]
Error 1
[  118s] make[1]: *** Waiting for unfinished jobs....
[  118s] make[1]: Leaving directory
'/home/abuild/rpmbuild/BUILD/kernel-vanilla-4.7.rc6.next.20160706/linux-4.7-rc6-next-20160706/linux-obj'
[  118s] make: *** [Makefile:150: sub-make] Error 2
[  118s] make: Leaving directory
'/home/abuild/rpmbuild/BUILD/kernel-vanilla-4.7.rc6.next.20160706/linux-4.7-rc6-next-20160706'
[  120s] error: Bad exit status from /var/tmp/rpm-tmp.Kun9nh (%prep)