RFR: 8220784: hsdis cannot be built with MinGW64

David Holmes david.holmes at oracle.com
Wed Mar 20 01:38:22 UTC 2019


Hi Yasumasa,

I'm not familar with building hsdis, but if the only currnet problem is 
on Windows, why is the fix not restricted to only building on Windows?

Otherwise we need people who build hsdis on other platforms to comment 
on the appropriateness of the fix.

Thanks,
David

On 20/03/2019 11:07 am, Yasumasa Suenaga wrote:
> Hi Erik, David,
> 
> I checked this change on Linux x64 and MinGW for Windows.
> According to hsdis README, we need to use MinGW cross compiler to
> build hsdis [1]. So I think Cygwin is not required.
> 
> I do not have macOS and AIX. So I cannot check this change on them.
> 
> BTW is hsdis included Java SE spec?
> hsdis seems not to be included jtreg tests, and it is not contained in
> OpenJDK binaries.
> I think it is allowed even if we lack some test for hsdis if hsdis is
> not required for Java SE.
> If not so, I want sponsor(s) for this change.
> 
> 
> Thanks,
> 
> Yasumasa
> 
> 
> [1] http://hg.openjdk.java.net/jdk/jdk/file/ddfb658c8ce3/src/utils/hsdis/README#l91
> 
> 2019年3月20日(水) 6:54 David Holmes <david.holmes at oracle.com>:
>>
>> CC'ing hotspot-dev. I agree this needs to be checked on every platform
>> affected. I can't comment on the fix itself.
>>
>> David
>>
>> On 20/03/2019 2:36 am, Erik Joelsson wrote:
>>> I think this needs to be reviewed by at least someone in hotspot who
>>> regularly builds hsdis. I can't really comment on the validity of the
>>> patch as I'm unfamiliar with both hsdis as well as this makefile. Have
>>> you at least verified the build on all the platforms which you affect
>>> with this change (which would be at least Macos, AIX and Windows in a
>>> normal Cygwin VS env)?
>>>
>>> /Erik
>>>
>>> On 2019-03-18 17:56, Yasumasa Suenaga wrote:
>>>> Hi all,
>>>>
>>>> Please review this change:
>>>>
>>>>     JBS: https://bugs.openjdk.java.net/browse/JDK-8220784
>>>>     webrev: http://cr.openjdk.java.net/~ysuenaga/JDK-8220784/webrev.00/
>>>>
>>>> I attempt to build hsdis for Windows on WSL Ubuntu 18.04 with
>>>> gcc-mingw-w64-x86-64, but I saw error messages that some functions
>>>> which are provided by zlib are unresolved.
>>>> We need to link to zlib.
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Yasumasa


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