RFR: JDK-8215296 do not disable c99 on Solaris

[David Holmes]

On 13/12/2018 10:28 am, Kim Barrett wrote:
>> On Dec 12, 2018, at 5:17 PM, David Holmes <david.holmes at oracle.com> wrote:
>>
>> Hi Magnus,
>>
>> What did -Xa do?
> 
>  From the documentation for -Xa:
> 
> The -X options cannot be used if the -std has been specified.
> 
> The -X options specify varying degress of compliance to the 1990 and 1999
> ISO C standard. ...
> 
> -Xa
> ISO C plus K&R C compatibility extensions with semantic changes
> required by ISO C. Where K&R C and ISO C specify different semantics
> for the same construct, the compiler uses the ISO C interpretation. If
> the -Xa option is used in conjunction with the -xtransition option, the
> compiler issues warnings about the different semantics.

So basically -std=c89

Thanks,
David

> The default mode for the compiler is -std=c11.
> 
>> Do AWT folk need to check this. I find it hard to understand the connection between:
>>
>> -xc99=no_lib
>>
>> and
>>
>> -D_XPG6
>>
>> ??
> 
> I was wondering the same thing about -D_XPG6.
>