In file include from ../include/mhd.h:29
from mhd.c:60
../include/mh_how.h:33:warning:'MSG_TRUNC' redefined
/usr/include/bits/socket.h:180:warning:this is the location of the previous definition
In file include from mh_low.c:49:
../include/mb_low.h:33:warning :'MSG_TRUNC' redefined
/usr/include/bits/socket.h:180:warning:this is the location of the previous definition.
it is a warning only. and in two places, MSG_TRUNC are defined to the same value 0x20, so should have no problem. if u like, remove the one in mh_low.h.