RFR: 8276672: Cannot build hsdis on WSL [v2]

[Yasumasa Suenaga]

On Wed, 10 Nov 2021 00:55:13 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

>> JDK-8275128 introduced new Makefile for hsdis to integrate it to normal build system, however it does not work on WSL 1 Ubuntu 20.04 and MinGW from Ubuntu.
>> 
>> Hsdis.gmk has two problems:
>> 
>> 1. MinGW version is fixed to "9.2.0"
>> 2. Assumes sysroot for MinGW is located at /usr/$MINGW_BASE/sys-root
>> 
>> I tested this change on WSL only, so it is appreciate to review on Cygwin.
>
> Yasumasa Suenaga has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Merge remote-tracking branch 'magicus/hsdis-on-wsl' into JDK-8276672
>  - Make hsdis building on Windows more general
>  - Merge remote-tracking branch 'upstream/master' into JDK-8276672
>  - 8276672: Cannot build hsdis on WSL

I removed `SYSROOT_FLAGS` because it is no longer used.

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PR: https://git.openjdk.java.net/jdk/pull/6269