porting icedtea6 to FreeBSD

[Jason Helfman]

Hi,
On Wed, Mar 28, 2012 at 06:09:22PM -0400, Andrew Hughes thus spake:
>> >It's hard to tell what's happening here without more details as to
>> >how
>> >you're building.  Posting config.log would be very helpful.
>>
>> I've attached this.
>>
>
>Ok, seems sane enough.  I do wonder what /usr/local/openjdk6 is though.
>That may cause problems further down the line.

This is my installation of OpenJDK6. It has been ported to FreeBSD for
sometime now. Do I need to specify a different jdk for building?

I am specifying this for --with-jdk-home
>
>You don't seem to be using the latest; that would be 1.11.1.  If you want
>to get the end result into IcedTea, you may be better working with the
>Mercurial version:

I really would rather work with the released tarballs to support FreeBSD,
unless something comes up where that can't be done. I'm really not convinced
that I'm doing things right at this point to warrant a different path :)

I'm still trying to find out what icedtea does with openjdk :)
>
>The patch issue is rather odd.  Are you rerunning a build over an existing
>OpenJDK tree as Andrew said?  What I'd recommend for ease of debugging is
>to build in a separate directory:

I believe I am doing that, with the above specified. Do I need to be running
against a different jdk home? There are several to choose from for FreeBSD.
I wonder if this is the issue. However, I switched to use jdk1.6 and had the
same patch related issue.

The text leading up to this was:
--------------------------
|# HG changeset patch
|# User robm
|# Date 1322691030 0
|# Node ID ee0f12b18cb8d20c3fb61e96817bde6318a29221
|# Parent  dd8956e41b892ed7102e1d5668781f2c68ea9ac5
|7082299: AtomicReferenceArray should ensure that array is Object[]
|Summary: java.util.concurrent.AtomicReferenceArray needs to ensure that internal array is always Object[].
|Reviewed-by: chegar, coffeys
|
|diff --git a/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java b/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java
|--- openjdk/jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java
|+++ openjdk/jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java
--------------------------
Patching file openjdk/jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java using Plan A...
Reversed (or previously applied) patch detected!  Assume -R? [y]

>
>$ mkdir icedtea6-build
>$ cd icedtea6-build
>$ ../icedtea6-1.11.1/configure <params>

This may partly my issue. I'm basically guessing what the correct options
are to use.

Here is what I am using currently:
(LOCALBASE=/usr/local)

--with-ecj-jar=${LOCALBASE}/share/java/classes/ecj-3.7.2.jar \
--with-rhino=${LOCALBASE}/share/java/rhino/rhino.jar \
--with-jdk-home=/usr/local/openjdk6 \
--with-jaxp-drop-zip=${DISTDIR}/jaxp144_03.zip \
--with-jaf-drop-zip=${DISTDIR}/jdk6-jaf-b20.zip \
--with-jaxws-drop-zip=${DISTDIR}/jdk6-jaxws2_1_6-2011_06_13.zip \
--with-openjdk-src-zip=${DISTDIR}/openjdk-6-src-b24-14_nov_2011.tar.gz

>which you can then just rm -rf if it doesn't work.  make clean works too,
>but this is usually quicker and more guaranteed to work.
>
>You mention something about having to fix up patches?  Can you give more
>details?

This has been resolved with later releases, and the patching is probably a
result of misconfigured configured options.
>
>> Please take note the files and locations where they are being
>> downloaded from.
>> >
>> >http://icedtea.classpath.org/hg/icedtea6-hg
>> >
>> >Going forward, I doubt this will work as OpenJDK6 doesn't have the
>> >*BSD work
>> >that Oracle have integrated for Mac OS X.  You might be better
>> >starting from
>> >7.  6 is likely to end up having to be retired by the end of the
>> >year anyway,
>> >as Oracle intend to stop security support.
>>
>> If I can get this to work on 6 it would be great, however I can work
>> on 7 as
>> well. Is there anything I can not apply to get it to work on 6?
>>
>
>You're more than welcome to try and don't get me wrong - I love to see
>FreeBSD support for OpenJDK6. I just worry that it'll be a lot of work
>for something that may be decommissioned a few months after you finish.
>There won't be *BSD support for a lot of things in OpenJDK6 as it stands,
>so it'll need backporting from 7.  That may have been feasible a few years
>ago, but today there doesn't seem much point.

OpenJDK6/7 are both in the FreeBSD tree. :) Getting this working on 6,
should at least give me the insight to get it working on 7. And thank you
for the head's up.
>
>
Thanks!
-jgh

-- 
Jason Helfman         | FreeBSD Committer
jgh at FreeBSD.org       | http://people.freebsd.org/~jgh