IcedTea/OpenJDK bootstrapping issue

[Matthias Klose]

On 07.04.2010 17:34, Andrew John Hughes wrote:
> On 7 April 2010 14:30, Michal Vyskocil<mvyskocil at suse.cz>  wrote:
>> On Monday 08 March 2010 02:08:20 pm Ludovic Courtès wrote:
>>> Hi,
>>>
>>> Andrew John Hughes<gnu_andrew at member.fsf.org>  writes:
>>>> 2010/1/21 Ludovic Courtès<ludo at gnu.org>:
>>>>> Andrew John Hughes<gnu_andrew at member.fsf.org>  writes:
>>> [...]
>>>
>>>>>> Does ant work for you with other builds?
>>>>>
>>>>> Yes.  This version of Ant was built with GCJ.  It was then used to
>>>>> compile things like Xalan, Xerces, and Rhino.
>>>>
>>>> It seems something is broken with regard to Ant.  The fact it's
>>>> looking for tools.jar in your gcj home directory rather than
>>>> bootstrap/jdk1.6.0 suggests it's ignoring the setting of
>>>> bootstrap.java.home.  Have you checked that bootstrap/jd1.6.0 has a
>>>> valid jar file in jre/lib/rt.jar?  I would guess it does as the
>>>> earlier stages have worked, but Ant is reverting to your system
>>>> install.
>>>
>>> Perhaps I should have started with this: how did you build the Ant
>>> that’s used to build IcedTea?
>>>
>>> I built it with GCJ, but Ant’s manual says it isn’t supported [0].
>>> I patched ‘build.properties’ to set ‘build.compiler’ to ‘gcj’ [1].  In
>>> addition I have gross hacks to make gcj/gij available as javac/java
>>> while building Ant itself [2].
>>
>> The easiest way is simulate the Sun layout - see
>>
>> http://sources.redhat.com/rhug/java-gcj-compat.html
>> ftp://sources.redhat.com/pub/rhug/java-gcj-compat
>>
>> It create a structure similar to Sun's layout, so you don't need patch
>> anything, just use java-gcj-compat-devel as a build dependency. Not sure if
>> the gcj 4.4 layout support Andrew mentioned does not obsolete it.
>>
>
> The gcj 4.4 support _is_ java-gcj-compat integrated into gcc.
>
> ./configure --prefix=/home/andrew/build/gcj --enable-java-home
> --with-jvm-root-dir=/home/andrew/build/gcj/jdk
> --with-jvm-jar-dir=/home/andrew/build/gcj/jvm-exports

you forgot --with-java-home=/home/andrew/build/gcj/jdk/jre