RFR(xs): 8202325: [aix] disable warnings-as-errors by default

[Lindenmaier, Goetz]

Hi Thomas, 

this looks good and will simplify building on AIX.

Thanks,
  Goetz.

> -----Original Message-----
> From: ppc-aix-port-dev [mailto:ppc-aix-port-dev-
> bounces at openjdk.java.net] On Behalf Of Thomas Stüfe
> Sent: Donnerstag, 26. April 2018 16:04
> To: build-dev <build-dev at openjdk.java.net>; ppc-aix-port-
> dev at openjdk.java.net
> Subject: RFR(xs): 8202325: [aix] disable warnings-as-errors by default
> 
> Hi all,
> 
> may I have reviews please:
> 
> https://bugs.openjdk.java.net/browse/JDK-8202325
> http://cr.openjdk.java.net/~stuefe/webrevs/8202325-aix-disable-warnings-
> as-errors/webrev.00/webrev/
> 
> We decided to disable warnings as errors by default on AIX. This is a
> pragmatic decision - we will never be able to fix all the many xlC
> warnings and the build since long only worked when disabling
> warnings-as-errors.
> 
> So, might as well make this the default.
> 
> Best regards, Thomas