On Wed, May 30, 2018 at 3:31 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> On 05/30/2018 02:27 AM, Arnd Bergmann wrote:
>>
>> On Mon, May 28, 2018 at 3:48 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>>>
>>> Hi Greg,
>>>
>>> please apply the following patches.
>>>
>>> to v4.4-stable and older:
>>>
>>> cb36af3e48be sh: New gcc support
>>> to support gcc 8.1.0 for sh
>>>
>>> to v4.9-stable and older:
>>>
>>> 009615ab7fd4 USB: serial: cp210x: use tcflag_t to fix incompatible
>>> pointer
>>> type
>>> to support gcc 7.3.0 for sparc
>>>
>>> Copying Arnd - I can't get sparc images to compile with gcc 8.1.0. Any
>>> idea
>>
>>
>> No, sorry. I've just tried it again and couldn't find any problems with my
>> gcc-8.1 binaries building either sparc32_defconfig or sparc64_defconfig.
>>
>
> Interesting. With sparc64-linux-gcc (GCC) 8.1.0 from kernel.org:
>
> make ARCH=sparc64 CROSS_COMPILE=sparc64-linux- allmodconfig
> make ARCH=sparc64 CROSS_COMPILE=sparc64-linux-
> arch/sparc/kernel/sys_sparc_64.o
>
> results in:
>
> ./include/linux/syscalls.h:233:18: error:
> 'sys_sparc64_personality' alias between functions of incompatible
> types
> 'long int(long unsigned int)' and 'long int(long int)'
> [-Werror=attribute-alias]
>
> and many more.
>
> Presumably this is due to
>
> arch/sparc/kernel/Makefile:ccflags-y := -Werror
Right, I have disabled that warning locally, so I didn't get
it despite the -Werror.
Arnd
