NSLU2 Openslug Firmware - Monit compile problem.

Hi,
i'm trying to compile the lastset version of monit
(http://www.tildeslash.com/monit/dist /) on nslu2 linksys
(http://www.nslu2-linux.org ) using OpenSlug
(http://www.slug-firmware.net/s-dls.php ) 3.10

Configure command is ok:
------------------------------------------------------------------------------
monit has been configured with the following options:
                Architecture: LINUX
                 SSL support: disabled
         resource monitoring: enabled
               resource code: sysdep_LINUX.c
              Compiler flags: -g -O2 -Wall -D _REENTRANT
                Linker flags: -lpthread -lcrypt -lresolv -lnsl
           pid file location: /var/run
------------------------------------------------------------------------------

But when i try to make command:

root@nslug_test:~/monit# make
bison -y -dt p.y
make: *** [y.tab.c] Broken pipe
root@nslug_test:~/monit#

Any idea ?
Thanks