RFR (XXS): 8199356: Fix hotspot to allow stdlib to use libc++ and to allow changing the deployment target to 10.9

[Gerard Ziemski]

Thank you for the review.


> On Mar 14, 2018, at 12:53 PM, Kim Barrett <kim.barrett at oracle.com> wrote:
> 
>> On Mar 13, 2018, at 11:53 AM, Gerard Ziemski <gerard.ziemski at oracle.com> wrote:
>> 
>> Hi all,
>> 
>> Please review this very small patch that will prepare hotspot for the new Xcode compiler. This is a part of a larger effort tracked by the umbrella issue https://bugs.openjdk.java.net/browse/JDK-8196724, and will only tackle what we are required to do in hotspot project.
>> 
>> Specifically, here we need to remove the poisoning min/max definition that clashes with standard c++ includes used by hotspot gtests suite.
>> 
>> JDK-8196724, on the other hand, will track the actual flipping of switching the deployment target to OS X 10.9 and changing the std lib from stdlibc++ to libc++
>> 
>> There are other projects, besides hotspot, that need to be updated before JDK-8196724 can be finished, but once this and JDK-8196724 are done, then the OS X platform will be c++14 capable.
>> 
>> https://bugs.openjdk.java.net/browse/JDK-8199356
>> http://cr.openjdk.java.net/~gziemski/8199356_rev1
>> 
>> Passes Mach5 tier1-5
>> 
>> 
>> Cheers
> 
> Looks good.
> 
> I filed
> https://bugs.openjdk.java.net/browse/JDK-8199619
> Building HotSpot on Windows should define NOMINMAX
> as a followup.
>