No output from r.le programs

I have some problems running the r.le. programs correctly:

We have compiled the r.le programs version 2.0 Beta on our Sparcstation 10,
running Solaris 1.1 and GRASS 4.1 Beta version.
I've tested the programs r.le.dist ans r.le.patch with simple parameters, and
they seem running correctly. Following messages were produced:

------------------------------------------------------------
r.le.patch map=w100 sam=W run=F att=A1

PARAMETER CHOICES:
        MAP: w100
        REGION:
        SAMPLE: whole map RUN IN: foreground

R.LE.PATCH IS WORKING....;

R.LE.PATCH IS DONE; OUTPUT FILES IN SUBDIRECTORY "r.le.out"
------------------------------------------------------------

The problem now is: The directory r.le.out was created, but there are no files
in the directory r.le.out !, No output was produced.
What is the mistake ? Is this a installing problem or a bug, what can I do to
solve this problem ?

Every information is highly appreciated.

Thanks in advance

    Michael Saupe
    Geographisches Institut
    Universitaet Heidelberg

    E-Mail: michael@geo0.geog.uni-heidelberg.de