warning: could not update utmp entry
You can use tenex instead of filec.
% make
cc  -O  -target sun4 -c  client.c
cc  -O  -target sun4 -c  terminal.c
/usr/include/termios.h: 115: NL0 redefined
/usr/include/termios.h: 116: NL1 redefined
/usr/include/termios.h: 118: CR0 redefined
/usr/include/termios.h: 119: CR1 redefined
/usr/include/termios.h: 120: CR2 redefined
/usr/include/termios.h: 121: CR3 redefined
/usr/include/termios.h: 123: TAB0 redefined
/usr/include/termios.h: 124: TAB1 redefined
/usr/include/termios.h: 125: TAB2 redefined
/usr/include/termios.h: 126: XTABS redefined
/usr/include/termios.h: 129: BS0 redefined
/usr/include/termios.h: 130: BS1 redefined
/usr/include/termios.h: 135: FF0 redefined
/usr/include/termios.h: 136: FF1 redefined
/usr/include/termios.h: 168: ECHO redefined
/usr/include/termios.h: 172: NOFLSH redefined
/usr/include/termios.h: 173: TOSTOP redefined
/usr/include/termios.h: 188: FLUSHO redefined
/usr/include/termios.h: 189: PENDIN redefined
cc  -O  -target sun4 -c  select.c
"select.c.re-ansi", line 8: no automatic aggregate initialization
"select.c.re-ansi", line 8: no automatic aggregate initialization
"select.c.re-ansi", line 8: illegal lhs of assignment operator
"select.c.re-ansi", line 8: no automatic aggregate initialization
"select.c.re-ansi", line 8: no automatic aggregate initialization
"select.c.re-ansi", line 8: illegal lhs of assignment operator
*** Error code 1
make: Fatal error: Command failed for target `select.o'
