disabled c99 in Solaris builds

[Kim Barrett]

> On Dec 12, 2018, at 8:21 AM, Magnus Ihse Bursie <magnus.ihse.bursie at oracle.com> wrote:
> 
> On 2018-12-12 09:24, Baesken, Matthias wrote:
>>> FWIW, in my in-development patch set for JEP 347
>>> (https://bugs.openjdk.java.net/browse/JDK-8208089)
>>> 
>>> the -xc99=%none% option has been removed and -std=c99 added (for C
>>> code). (C++14 includes C99 by reference, so I made that change for
>>> consistency in case there were any ABI differences.)
>>> 
>> Hello Kim , do you have an estimation when your patch will be in  ?
>> 
>> Or would you suggest to do a separate change and bring in into  jdk/jdk (and  jdk12) already?
> I'd recommend a separate change to remove the -xc99=%none%. That's trivial and can be done immediately, to the benefit of everyone. Getting C++14 working is not happening quickly.

Agreed.  I merely mentioned the C++14 work as evidence that removing -xc99=%none% didn’t appear harmful.