Can't build latest openjdk6

[Jonathan Gibbons]

The langtools Hudson for jdk6/jdk6/langtools is happy here, last built 
Aug 12, 9:02. a.m.

-- Jon

Martin Buchholz wrote:
> When I try to build latest hg openjdk6, I get:
>
>
> build-classes-javac:
>     [mkdir] Created dir:
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/gensrc
>     [mkdir] Created dir:
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/classes
>  [pcompile] Generating 7 resource files to
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/gensrc
>      [copy] Copying 1 file to
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/gensrc
>  [pcompile] Generating 1 resource files to
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/gensrc
>     [javac] Compiling 8 source files to
> /home/martinrb/ws/openjdk6/build/linux-amd64/langtools/build/classes
>     [javac] javac: source release 6 requires target release 1.6
>
> BUILD FAILED
> /usr/local/google/home/martin/ws/openjdk6/langtools/make/build.xml:196:
> The following error occurred while executing this line:
> /usr/local/google/home/martin/ws/openjdk6/langtools/make/build.xml:525:
> Compile failed; see the compiler error output for details.
>
>
> whether or not I use a vanilla jdk6 (or even jdk7) as bootstrap jdk
>
> Can anyone else successfully build openjdk6?
> If so, what is the secret?
> Did I miss something in my inbox?
>
> Martin
>