RFR: 8199736: Define WIN32_LEAN_AND_MEAN before including windows.h

[Kim Barrett]

> On Mar 23, 2018, at 8:37 AM, Robin Westberg <robin.westberg at oracle.com> wrote:
> 
> Hi Kim & Erik,
> 
> Certainly makes sense to define it from the build system, I’ve updated the patch accordingly:
> 
> Full: http://cr.openjdk.java.net/~rwestberg/8199736/webrev.01/
> Incremental: http://cr.openjdk.java.net/~rwestberg/8199736/webrev.00-01/
> 
> (Not quite sure if the definition belongs where I put it or a bit later where most other windows-specific JVM flags are defined, but seemed reasonable to put it close to where it is defined for the JDK libraries).

This looks good to me.

> Best regards,
> Robin
> 
>> On 22 Mar 2018, at 16:52, Kim Barrett <kim.barrett at oracle.com> wrote:
>> 
>>> On Mar 22, 2018, at 10:34 AM, Robin Westberg <robin.westberg at oracle.com> wrote:
>>> 
>>> Hi all,
>>> 
>>> Please review the following change that defines WIN32_LEAN_AND_MEAN [1] before including windows.h. This marginally improves build times, and makes it possible to include winsock2.h.
>>> 
>>> Issue: https://bugs.openjdk.java.net/browse/JDK-8199736 <https://bugs.openjdk.java.net/browse/JDK-8199736>
>>> Webrev: http://cr.openjdk.java.net/~rwestberg/8199736/webrev.00/ <http://cr.openjdk.java.net/~rwestberg/8199736/webrev.00/>
>>> Testing: hs-tier1
>>> 
>>> Best regards,
>>> Robin
>>> 
>>> [1] https://msdn.microsoft.com/en-us/library/windows/desktop/aa383745%28v=vs.85%29.aspx#faster_builds_with_smaller_header_files <https://msdn.microsoft.com/en-us/library/windows/desktop/aa383745(v=vs.85).aspx#faster_builds_with_smaller_header_files>
>> 
>> I think the addition of the WIN32_LEAN_AND_MEAN definition should be done through the build
>> system, so that it applies everywhere.