m68k/linux make problem (was: [kaffe] RC for 1.1.5)

[Kiyo Inaba]

I am now trying to test both m68k/linux or netbsd with this RC.
And I noticed even specifying --with-rt-jar option, make tries
to rebuild rt.jar by using jikes. It happened on m68k/linux, and
3/31's snap does not cause this problem.

After finishing first path for this arch, I will retry it, but
for the time being touching stamp file can cheat make process.

I am so sure --with-rt-jar itself works fine for this RC because
I used this option for ia32/netbsd (I don't have latest jikes
on this machine, this is another thing what I have to fix just
after the release...).

Kiyo