CODETOOLS-7902083: Simplify building jtreg

[Jonathan Gibbons]

To be clear, the majority of the credit for this goes to Erik. :-)

But thanks to you for checking out the script. I'll push it to the repo 
soon, and we can tweak/evolve it there as needed.

-- Jon


On 12/14/17 5:19 AM, Stuart Monteith wrote:
> Thanks for this Jonathan,
>      This will simplify my automation greatly. The script looks fine to
> me and tests fine on my Ubuntu 17.10 x86 system and Ubuntu 14.04
> aarch64 system.
>
> BR,
>      Stuart
>
> On 14 December 2017 at 00:32, Jonathan Gibbons
> <jonathan.gibbons at oracle.com> wrote:
>> This is for folk who are interested in building jtreg from source.
>>
>> As some of you have (rightfully) commented over the past years, jtreg has
>> not been an easy tool to build from source.
>>
>> And, as some of you may have noticed, there has been some amount of activity
>> over the past weeks and months to address this issue. This work has been led
>> by Erik Helin (thanks, Erik!) and we're now getting to the point where we
>> can show what we have been working towards.
>>
>> The core of the work to build jtreg is still the Makefiles as before,
>> although as was recently noted, we've been simplifying the specification of
>> the dependencies.
>>
>> Separately, Erik has helped provide updates to the way that some of the Code
>> Tools dependencies can be built.
>>
>> Building on all that work, we can now get to the next stage, to provide a
>> script that will download binaries for some components (JUnit, TestNG) and
>> will download and build source for other components (AsmTools, JCov,
>> JTHarness), for which there are no official binaries.
>>
>> To run the script, you just need to have Ant and a suitable "java" on your
>> path, and to specify the location of an install of JDK 1.8 as an argument to
>> the script. wget is used to download files, which honors proxy settings for
>> those that need to use them. The script is deliberately fairly simple, and
>> suitable for use in a CI system.
>>
>> You can see a webrev for the script at
>> http://cr.openjdk.java.net/~jjg/7902083/webrev.00/
>>
>> Example of use:
>>
>> $ which ant
>> /opt/ant/1.9.4/bin/ant
>> $ which java
>> /opt/jdk/1.8.0/bin/java
>> $ sh make/build-all.sh /opt/jdk/1.8.0
>> ... build output ...
>> $ ls build/images/jtreg
>> bin  COPYRIGHT  doc  legal  lib  LICENSE  README  release
>> $
>>
>>
>> Once this settles down a bit, I'll update the public docs on the jtreg web
>> pages.
>>
>> -- Jon
>>
>>