IcedTea6 JAR issue

[Andrew John Hughes]

I've just been trying to build the new IcedTea6 1.2 and it seems to
fail when used with jar from icedtea6 1.1:

(cd /var/tmp/portage/dev-java/icedtea6-1.2/work/icedtea6-1.2/openjdk-ecj/control/build/linux-amd64/classes
&& /bin/cat /var/tmp/portage/dev-java/icedtea6-1.2/work/icedtea6-1.2/openjdk-ecj/control/build/linux-amd64/tmp/jarfilelists/rt_jar_list
| /usr/lib/jvm/icedtea6-1.1/bin/jar c0mf@
/var/tmp/portage/dev-java/icedtea6-1.2/work/icedtea6-1.2/openjdk-ecj/control/build/linux-amd64/tmp/manifest.tmp
/var/tmp/portage/dev-java/icedtea6-1.2/work/icedtea6-1.2/openjdk-ecj/control/build/linux-amd64/tmp/rt-orig.jar
            -J-Xmx896m -J-Xms128m -J-XX:PermSize=32m
-J-XX:MaxPermSize=160m)
Illegal option: @
Usage: jar {ctxui}[vfm0Me] [jar-file] [manifest-file] [entry-point]
[-C dir] files ...
-- 
Andrew :-)

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