[error while compile the server]

hello

i'm trying to compile the rathena using guide from

http://rathena.org/wiki/Installation_%28Debian%29

but when run

make sql plugins

there are some errors

clif.c: In function âclif_set_unit_idleâ:

clif.c:1076: error: âoffsetâ undeclared (first use in this function)

clif.c:1076: error: (Each undeclared identifier is reported only once

clif.c:1076: error: for each function it appears in.)

clif.c: In function âclif_tradestartâ:

clif.c:3778: error: âYYYYMMDDâ undeclared (first use in this function)

make[1]: *** [obj_sql/clif.o] Error 1

make[1]: Leaving directory `/root/rathena/src/map'

make: *** [map_sql] Error 2

what happen?

pls advice

thanks