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Date:      Sun, 31 Jan 2016 12:00:19 +0100
From:      Magnus Ihse Bursie <magnus.ihse.bursie@oracle.com>
To:        java@freebsd.org
Subject:   Re: Helping out with JDK 9 on BSD
Message-ID:  <56ADE943.6020103@oracle.com>
In-Reply-To: <56ADE7D4.8020107@oracle.com>
References:  <56ADE7D4.8020107@oracle.com>

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On 2016-01-31 11:54, Magnus Ihse Bursie wrote:
> Hi,
>
> [TL;DR: I'm offering patches to compile JDK 9 on FreeBSD, but it's not 
> clear where to put them, or how.]
>
> I'm working at Oracle on the OpenJDK build team and is responsible for 
> large parts of the build system of OpenJDK. Lately, I've been playing 
> around with FreeBSD (and other BSDs) in my free time, and I've written 
> a patch that will add build system support for FreeBSD, OpenBSD and 
> NetBSD in JDK 9 (tracked in 
> https://bugs.openjdk.java.net/browse/JDK-8147795).
>
> I started writing this when I realized that the jdk9 branch in the 
> OpenJDK bsd-port repository did not contain any BSD-specific changes 
> at all, and the old JDK 8 changes will not readily be portable, due to 
> major changes in the build system between JDK 8 and JDK 9.
>
> I thought it would be a no-brainer to integrate these changes into the 
> JDK 9 mainline, so they would be in place for whenever you guys would 
> start to attack porting the code base. However, some of my collegues 
> thought otherwise. The end result, I think, is that they wanted to see 
> someone (not necessarily a company, the FreeBSD organisation for 
> instance seemed to be okay), to step forward and say "we take 
> responsibility for the BSD port", and give some kind of commitment to 
> actually use these build changes in producing a viable port. You can 
> read the mail conversation here: 
> http://mail.openjdk.java.net/pipermail/build-dev/2016-January/016421.html

I forgot to add that I'm willing to help with build issues for the BSD 
port, as far as my (like everybode else's) limited free time allows me. 
Unfortunately, I'm still a noob at BSD internals and can't really help 
with much apart from that.

/Magnus


>
> An alternative to pushing this code into the JDK 9 mainline is of 
> course to push it to the bsd-port/jdk9 repo (given that the owners of 
> that repo approves), but that seems like a less favourable solution. 
> Having the code in the mainline does not mean that it gets tested 
> automatically, but it means that it will be part of e.g. refactoring, 
> that would otherwise break a downstream patchset.
>
> I cc:ed this conversation to the bsd-port-dev@openjdk.java.net mailing 
> list, but never got any kind of official response there. Since this 
> list seems more active, I'm trying here instead. :)
>
> So, I'm offering two patches here, one that applies to the build 
> system, is nice and clean, and possible to integrate into JDK 9 
> mainline, if my collegues are convinced that someone is backing up the 
> BSD port. And there's a second patch, which fixes broken C/C++/Java 
> code and results in a product that can at least run "javac 
> HelloWorld", but this is not yet clean enough for integration anywere, 
> at least not the JDK 9 mainline. (I don't know enough of the BSD 
> internals to fix all problems, so there's some "#if 0" code here and 
> there.)
>
> /Magnus
>
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