RFR: JDK-8072842 Add support for building native JTReg tests

Staffan Larsen staffan.larsen at oracle.com
Wed Feb 11 10:36:15 UTC 2015

> On 11 feb 2015, at 09:39, David Holmes <david.holmes at oracle.com> wrote:
> On 11/02/2015 6:34 PM, Staffan Larsen wrote:
>>> On 11 feb 2015, at 09:27, Magnus Ihse Bursie
>>> <magnus.ihse.bursie at oracle.com <mailto:magnus.ihse.bursie at oracle.com>>
>>> wrote:
>>> On 2015-02-11 09:23, David Holmes wrote:
>>>> On 11/02/2015 6:09 PM, Magnus Ihse Bursie wrote:
>>>>> On 2015-02-11 02:35, David Holmes wrote:
>>>>>> Hi Magnus,
>>>>>> On 11/02/2015 12:23 AM, Magnus Ihse Bursie wrote:
>>>>>>> Here is an addition to the build system, that will compile native
>>>>>>> libraries and executables and make them available for JTReg tests
>>>>>>> written in Java.
>>>>>> Sorry I'm missing the basics here: when does this compilation take
>>>>>> place? As part of a normal build? Where will the build artifacts go?
>>>>> This is the first application of the new test-image/product-images
>>>>> separation we discussed previously. :)
>>>>> These tests are built as part of the "test-image" target. (Actually,
>>>>> they are built by individual rules like build-test-jdk-jtreg-native, and
>>>>> the relevant parts are put into the test image by
>>>>> test-image-jdk-jtreg-native, which test-image depends on.)
>>>> Okay so if I just cd into hotspot/test and use the Makefile to try
>>>> and run some jtreg tests it looks to me that it will define an
>>>> invalid -nativepath
>>> I'm not sure if that is a supported use case. David or Staffan will
>>> have to answer to that. I have not tested that, only the "whole
>>> forest" approach.
>> I’ve never done that. I’m always running all make commands from the top
>> level. Is there a problem with that?
> I must confess I also haven't done that - though I often run jtreg directly from there. Other hotspot engineers may use it. If nothing else it would be a way to test out what you expect JPRT to be running.
> But perhaps we just don't add the -nativepath component if TESTNATIVE_DIR remains unset?

Not adding -nativepath or adding it with an empty path will lead to the same errors I think: tests that need native code will fail. So it does not really matter.


> Cheers,
> David
>> /Staffan
>>> /Magnus

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