Re: [PATCH for-4.15] automation: Fix the Alpine clang builds to use clang

[Jan Beulich <jbeulich@xxxxxxxx>]

On 26.02.2021 23:48, Stefano Stabellini wrote:
> On Fri, 26 Feb 2021, Andrew Cooper wrote:
>> Looks like a copy&paste error.
>>
>> Fixes: f6e1d8515d7 ("automation: add alpine linux x86 build jobs")
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> 
> Thanks for the patch and of course it is correct
> 
> Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> 
> 
> However unfortunately it breaks the Alpine Linux gitlab-ci again :-(
> I created a branch with Roger's patches plus this patch. The two clang
> Alpine Linux build jobs fail:
> 
> https://gitlab.com/xen-project/people/sstabellini/xen/-/jobs/1059686530
> https://gitlab.com/xen-project/people/sstabellini/xen/-/jobs/1059686532
> 
> 
> The error is the following:
> 
> <built-in>:3:10: fatal error: 'cstring' file not found
> #include "cstring"
>          ^~~~~~~~~
> 1 error generated.
> make[10]: *** [Makefile:120: headers++.chk] Error 1
> make[10]: *** Waiting for unfinished jobs....

Doesn't this suggest there's a C++ compiler installed without
the headers also being available? The headers++.chk rule
requires neither or both to be present.

Jan