: default CC to /bin/cc on sun, cc otherwise
if      test -f /bin/sun && /bin/sun
then    CC=${CC-/bin/cc}
else    CC=${CC-cc}
fi
CCFLAGS=${CCFLAGS--O}
INSTALLROOT=${INSTALLROOT-$HOME}

SRCDIR=${SRCDIR+$SRCDIR/}
Install=${SRCDIR}install
Include=${SRCDIR}include
Shlib=${SRCDIR}shlib
Sh=${SRCDIR}sh
LIB=

if	test -f /bin/univac && /bin/univac
then	LDFLAGS="$LDFLAGS -h 200000"
fi

if	grep FLOAT sh_config.h > /dev/null 2>&1
then	CCFLAGS="$CCFLAGS -DFLOAT"
fi

for i in adjust assign assnum cannon chkid convert findnod \
	gettree strmatch growaray gsort linknod  namscan rjust \
	streval tilde unassign utos valup optget
do	if	test ! -f $i.o
	then	if test -r "$Shlib/$i.c"
		then	echo + "${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $Shlib/$i.c"
			${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $Shlib/$i.c
		else	echo "$Shlib/.c : file missing or not readable"
			exit 1
		fi
	fi
done

if	test ! -r strdata.o -o ! -r ctype.o -o ! -r msg.o
then	./readonly -DKSHELL -I. -I$Include $Shlib/strdata.c $Sh/ctype.c $Sh/msg.c
fi

ar rcuv libsh.a adjust.o assign.o assnum.o cannon.o chkid.o convert.o \
	findnod.o gettree.o strmatch.o growaray.o gsort.o linknod.o \
	namscan.o rjust.o strdata.o streval.o tilde.o unassign.o utos.o  \
	valup.o optget.o
(ranlib libsh.a) > /dev/null 2>&1

FILES_opt='' SRC_opt='' LIBS_opt=$LIB
for i in ESH VSH VFORK
do	case $i in
	ESH)	file=emacs;;
	VSH)	file=vi;;
	VFORK)	file=vfork;;
	esac
	if	grep $i sh_config.h > /dev/null 2>&1
	then	FILES_opt="$FILES_opt $file.o"
		SRC_opt="$SRC_opt $file"
	fi
done

if	test -f /sys/apollo_logo
then	FILES_opt="$FILES_opt apollo.o"
	SRC_opt="$SRC_opt apollo"
fi

LIBS_opt="$LIBS_opt `grep '/lib/.*dir\.a' sh_config.h 2>/dev/null`"

if	test -r /lib/libjobs.a
then	LIBS_opt="$LIBS_opt /lib/libjobs.a"
elif	test -r /usr/lib/libjobs.a
then	LIBS_opt="$LIBS_opt /usr/lib/libjobs.a"
fi
: ultrix uses libi for setlocale
if	test -r /lib/libi.a
then	LIBS_opt="$LIBS_opt /lib/libi.a"
elif	test -r /usr/lib/libi.a
then	LIBS_opt="$LIBS_opt /usr/lib/libi.a"
fi

if	grep -c PDU sh_config.h > /dev/null 2>&1 && test -f /usr/lib/libpdu.a
then	LIBS_opt="$LIBS_opt /usr/lib/libpdu.a"
fi

for i in arith args builtin cmd defs edit echo error \
	expand fault history io jobs macro main name print \
	service string  stak test word xec ${SRC_opt}
do	if	test ! -f $i.o
	then	if	test -r "$Sh/$i.c"
		then	echo + "${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $INC $Sh/$i.c"
			${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $INC $Sh/$i.c
		else	echo "$Sh/.c : file missing or not readable"
			exit 1
		fi
	fi
done

echo "${CC} $LDFLAGS -o ./ksh arith.o args.o builtin.o cmd.o ctype.o \
	defs.o edit.o echo.o error.o expand.o fault.o history.o io.o jobs.o \
	macro.o main.o msg.o name.o print.o service.o string.o \
	stak.o test.o word.o xec.o ${FILES_opt} libsh.a ${LIBS_opt}"

${CC} $LDFLAGS -o ./ksh arith.o args.o builtin.o cmd.o ctype.o \
	defs.o edit.o echo.o error.o expand.o fault.o history.o io.o jobs.o \
	macro.o main.o msg.o name.o print.o service.o string.o \
	stak.o test.o word.o xec.o ${FILES_opt} libsh.a ${LIBS_opt} ||
	{
		x=$?
		echo link edit failed
		exit $x
	}

if	test ! -f suid_exec
then	echo "${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $Sh/suid_exec.c"
	${CC} -c ${CCFLAGS} -DKSHELL -I. -I$Include $Sh/suid_exec.c
	echo + "${CC} -o suid_exec suid_exec.o"
	${CC} -o suid_exec suid_exec.o
fi

( mcs -d ./ksh ) 2> /dev/null

if	test "$INSTALLROOT"
then	echo + cp ./ksh $INSTALLROOT/bin
	if	test -f $INSTALLROOT/bin/ksh
	then	mv $INSTALLROOT/bin/ksh $INSTALLROOT/bin/OLDksh
	fi
	cp ./ksh $INSTALLROOT/bin
	if	test ! -d $INSTALLROOT/etc
	then	mkdir $INSTALLROOT/etc
	fi
	echo + cp ./suid_exec $INSTALLROOT/etc
	cp ./suid_exec $INSTALLROOT/etc
	echo + chown root $INSTALLROOT/etc/suid_exec
	chown root $INSTALLROOT/etc/suid_exec > /dev/null 2>&1  && 
		chmod 4711 $INSTALLROOT/etc/suid_exec > /dev/null 2>&1
	exit 0
fi