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

[Kim Barrett]

On Nov 17, 2015, at 2:26 AM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
> On Nov 16, 2015, at 10:23 PM, Coleen Phillimore <coleen.phillimore at oracle.com> wrote:
>> 
>> I was trying to find if -Wundef wasn't an option supported in CLANG but undef is a hard thing to google for.
> 
> Oh, right, the problem might be that -W[no-]undef causes llvm to complain.

BTW, I couldn’t find any sign of such a problem in the llvm bug database.  Lots of quoted invocations with -Wundef, but nothing about that option causing problems.  I could have missed it in the noise though…