RFR: JDK-8221988: add possibility to build with Visual Studio 2019

[Erik Joelsson]

Looks good!

/Erik

On 2019-04-18 07:19, Aleksei Voitylov wrote:
> Hi,
>
> Though the fix itself is trivial, testing took some time. Sorry about 
> that. I'd suggest to have Yasamasa Suenaga included as one of the 
> authors of this patch as we crossed working in parallel on this and he 
> provided valuable input on build testing on WSL. I'm equally fine if 
> the patch from Yasamasa in this list above is taken, in which case I 
> can submit another patch for devkit.
>
> Please review this fix to enable build with Visual Studio 2019. For 
> Windows x86_64 this is a seamless migration, but I suggest to keep VS 
> 2017 as the only supported and default for now. For those interested 
> in VS 2019 runtime binary compatibility details, please refer to 
> section "VC Runtime in the latest MSVC v142 toolset is binary 
> compatible with v140 and v141" in [1].
>
> webrev: http://cr.openjdk.java.net/~avoitylov/webrev.8221988.01/
> issue: https://bugs.openjdk.java.net/browse/JDK-8221988
>
> Build testing:
>
> Windows x86_64 product and fastdebug build on Windows 2012R2.
> Yasumasa Suenaga also reported successfully building on WSL.
>
> Testing:
>
> Windows 7, 10, 2012R2, 2016, 2019 64-bit jtreg with no regressions.
> generated devkit was used to build JDK 11 and test JCK and jtreg, with 
> no regressions.
>
> I'm working on fixing Windows 32-bit with VS 2019 in a separate issue 
> [2].
>
> Thanks,
>
> -Aleksei
>
> [1] 
> https://devblogs.microsoft.com/cppblog/cpp-binary-compatibility-and-pain-free-upgrades-to-visual-studio-2019/
> [2] https://bugs.openjdk.java.net/browse/JDK-8222726
>