RFR (s) 8141570: Fix Zero interpreter build for --disable-precompiled-headers

[David Holmes]

On 17/11/2015 1:19 PM, Kim Barrett wrote:
> On Nov 16, 2015, at 10:02 PM, David Holmes <david.holmes at oracle.com> wrote:
>>
>> Presumably the -Wundef not working on some llvm is the reason :) And your changes now ensure -Wundef is set always.
>
> No, the changes ensure -Wundef is *not* set when using clang/llvm, by appending -Wno-undef to the end of the list, making use of gcc’s last value wins option processing behavior.

Got it. Need new glasses :(

David