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SubjectRe: [PATCH 05/45] C++: Set compilation as C++ for .c files
Hi David,

I love your patch! Yet something to improve:

[auto build test ERROR on v4.16-rc7]
[cannot apply to linus/master tip/x86/core tip/locking/core v4.16 next-20180329]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/David-Howells/C-Convert-the-kernel-to-C/20180402-120344
config: x86_64-randconfig-x014-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler
cc1: warning: command line option '-fno-rtti' is valid for C++/ObjC++ but not for C
cc1: warning: command line option '-fpermissive' is valid for C++/ObjC++ but not for C
In file included from include/linux/page-flags.h:9:0,
from kernel/bounds.c:10:
>> include/linux/types.h:6:2: error: #error not c++
#error not c++
^~~~~
make[2]: *** [kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2

vim +6 include/linux/types.h

4
5 #ifndef __cplusplus
> 6 #error not c++
7 #endif
8

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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