warning: could not update utmp entry
You can use tenex instead of filec.
% make
cc  -O  -target sun4 -c  lib.c
cc  -O  -target sun4 -c  client.c
client.c.re-ansi: 8: Can't find include file stdarg.h
*** Error code 2
make: Fatal error: Command failed for target `client.o'
