On 7/12/20 3:01 PM, Stephen Rothwell wrote:
> Hi Andy,
>
> On Sun, 12 Jul 2020 18:56:04 +0300 Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> wrote:
>>
>> On Fri, Jul 10, 2020 at 06:33:18PM +1000, Stephen Rothwell wrote:
>>>
>>> Changes since 20200709:
>>
>> I can't build it on Debian with Sparse enabled
>>
>> CC init/main.o
>> init/main.c:760:20: warning: no previous prototype for ‘mem_encrypt_init’ [-Wmissing-prototypes]
>> 760 | void __init __weak mem_encrypt_init(void) { }
>> | ^~~~~~~~~~~~~~~~
>> CHECK /home/andy/prj/linux-topic-uart/init/main.c
>> include/linux/compiler.h:309:16: error: typename in expression
>> include/linux/compiler.h:309:16: error: Expected ) in function call
>> include/linux/compiler.h:309:16: error: got :
>> ...
>> (All READ_ONCE() entries fail)
>>
>> Is it known issue?
>
> Not that I am aware of at the moment. Does next-20200709 work? Does
> Linus' tree work? The only obvious thing I can think of is commit
I'm hitting this same thing on 5.8-rc5. (x86_64)
> 6ec4476ac825 ("Raise gcc version requirement to 4.9")
>
> The commmit message says:
>
> Using _Generic also means that you will need to have a very recent
> version of 'sparse', but thats easy to build yourself, and much less of
> a hassle than some old gcc version can be.
>
--
~Randy
