[GRASS-dev] compiling on ubuntu 8.10 - d.mon error

[Jan Trochta]

hi, 
I got error message while compiling GRASS. 
at the end i got this error:
Errors in:
/home/honza/grass6_devel/display/drivers/XDRIVER
/home/honza/grass6_devel/display/d.mon/pgms

after cd /display/d.mon
nad make I got this message:

start.c:55:21: error: process.h: No such file or directory
start.c: In function ‘start_mon’:
start.c:89: error: ‘_P_DETACH’ undeclared (first use in this function)
start.c:89: error: (Each undeclared identifier is reported only once
start.c:89: error: for each function it appears in.)
make: *** [OBJ.i686-pc-linux-gnu/start.o] Error 1
start.c:55:21: error: process.h: No such file or directory
start.c: In function ‘start_mon’:
start.c:89: error: ‘_P_DETACH’ undeclared (first use in this function)
start.c:89: error: (Each undeclared identifier is reported only once
start.c:89: error: for each function it appears in.)
make: *** [OBJ.i686-pc-linux-gnu/start.o] Error 1
Have you any hints what to do?
Thank
Jan