Ausam/sys/sysd/source/mk

Find at most related files.
including files from this version of Unix. 
: syntax: mk [arg1].c [arg2]
: use arg2 as configuration name
echoall
if $2x = x cc -O -c $1.c
if $2x != x cc -I../include/$2 -O -c $1.c
ar rv plib $1.o
rm -f $1.o
if ! { ask shall I link } exit
ld -o ../go$2 -X /lib/crt0.o plib -lc -la