#!/bin/sh
PATH=/v/bin:/bin:/usr/bin
# f77-style shell script to compile and load fortran, C, and assembly codes
#	usage:	f77 [-g] [-O|-O2|-O6] [-o absfile] [-c] files [-l library]
#		-o objfile	Override default executable name a.out.
#		-c		Do not call linker, leave relocatables in *.o.
#		-S		leave assembler output on file.s
#		-l library	(passed to ld).
#		-u		complain about undeclared variables
#		-w		omit all warning messages
#		-w66		omit Fortran 66 compatibility warning messages
#		files		FORTRAN source files ending in .f .
#				C source files ending in .c .
#				Assembly language files ending in .s .
#				efl source files ending in .e .
#		-I includepath	passed to C compiler (for .c files)
#		-Ntnnn		allow nnn entries in table t
#		-cpp -Dxxx	pipe through cpp

s=/tmp/stderr_$$
t=/tmp/f77_$$
CC=${CC_f2c:-'/usr/bin/cc -m486'}
EFL=${EFL:-/v/bin/efl}
EFLFLAGS=${EFLFLAGS:-'system=portable deltastno=10'}
F2C=${F2C:-/usr/bin/f2c}
F2CFLAGS=${F2CFLAGS:='-ARw8 -Nn802'}
rc=0
lib=/lib/num/lib.lo
trap "rm -f $s ; exit \$rc" 0
OUTF=a.out
cOPT=1
G=
CPP=/bin/cat
CPPFLAGS=
# set -- `getopt cD:gI:N:Oo:Suw6 "$@"`
case $? in 0);; *) exit 1;; esac
while
	test X"$1" != X--
do
	case "$1"
	in
	-c)	cOPT=0
		shift
		;;

	-D)	CPPFLAGS="$CPPFLAGS -D$2"
		shift 2
		;;

	-D*)	CPPFLAGS="$CPPFLAGS $1"
		shift 1
		;;

	-g)	CFLAGS="$CFLAGS -g"
		F2CFLAGS="$F2CFLAGS -g"
		G="-g"
		shift;;

	-I)	CFLAGS="$CFLAGS -I$2"
		shift 2
		;;

	-I*)	CFLAGS="$CFLAGS $1"
		shift 1
		;;

	-o)	OUTF=$2
		shift 2
		;;

	-O|-O1|-O2|-O6)
		CFLAGS="$CFLAGS $1"
		shift
		;;

	-u)	F2CFLAGS="$F2CFLAGS -u"
		shift
		;;

	-w)	F2CFLAGS="$F2CFLAGS -w"
		case $2 in -6) F2CFLAGS="$F2CFLAGS"66; shift
			case $2 in -6) shift;; esac;; esac
		shift
		;;

	-N)	F2CFLAGS="$F2CFLAGS $1""$2"
		shift 2
		;;

	-N*|-C)	F2CFLAGS="$F2CFLAGS $1"
		shift 1
		;;

	-cpp)	CPP="/lib/cpp -traditional"
		shift 1
		;;

	-S)	CFLAGS="$CFLAGS -S"
		cOPT=0
		shift
		;;

	-*)
		echo "invalid parameter $1" 1>&2
		shift
		;;

	*)	set -- -- $@
		;;
	esac
done
shift

while
	test -n "$1"
do
	case "$1"
	in
	*.[fF])
		case "$1" in *.f) f=".f";; *.F) f=".F";; esac
		b=`basename $1 $f`
                trap "rm -f f2ctmp_$b.* ; exit 4" 0
                sed 's/\\$/\\-/;
                     s/^ *INCLUDE *'\(.*\)'.*$/#include "\1"/' $1 |\
		 $CPP $CPPFLAGS |\
		 egrep -v '^# ' > f2ctmp_$b.f
                trap "rm -f f2ctmp_$b.* ; exit 4" 0
		$F2C $F2CFLAGS f2ctmp_$b.f
		case $? in 0);; *) rm f2ctmp_* ; exit 5;; esac
                rm -f f2ctmp_$b.f
		mv f2ctmp_$b.c $b.c
		if [ -f f2ctmp_$b.P ]; then mv f2ctmp_$b.P $b.P; fi
		case $? in 0);; *) rm -f $b.c ; exit 5;; esac
                trap "rm -f $s ; exit 4" 0
                $CC $CPPFLAGS -c $CFLAGS $b.c 2>$s
		rc=$?
		sed '/parameter .* is not referenced/d;/warning: too many parameters/d' $s 1>&2
		case $rc in 0);; *) exit 5;; esac
		rm -f $b.c
		OFILES="$OFILES $b.o"
		case $cOPT in 1) cOPT=2;; esac
		shift
		;;
	*.e)
		b=`basename $1 .e`
		$EFL $EFLFLAGS $1 >$b.f
		case $? in 0);; *) exit;; esac
		$F2C $F2CFLAGS $b.f
		case $? in 0);; *) exit;; esac
                $CC -c $CFLAGS $b.c
		case $? in 0);; *) exit;; esac
		OFILES="$OFILES $b.o"
		rm $b.[cf]
		case $cOPT in 1) cOPT=2;; esac
		shift
		;;
	*.s)
		echo $1: 1>&2
		OFILE=`basename $1 .s`.o
		${AS:-/usr/bin/as} -o $OFILE $AFLAGS $1
		case $? in 0);; *) exit;; esac
		OFILES="$OFILES $OFILE"
		case $cOPT in 1) cOPT=2;; esac
		shift
		;;
	*.c)
		echo $1: 1>&2
		OFILE=`basename $1 .c`.o
                $CC -c $CFLAGS $CPPFLAGS $1
		rc=$?; case $rc in 0);; *) exit;; esac
		OFILES="$OFILES $OFILE"
		case $cOPT in 1) cOPT=2;; esac
		shift
		;;
	*.o)
		OFILES="$OFILES $1"
		case $cOPT in 1) cOPT=2;; esac
		shift
		;;
	-l)
		OFILES="$OFILES -l$2"
		shift 2
		case $cOPT in 1) cOPT=2;; esac
		;;
	-l*)
		OFILES="$OFILES $1"
		shift
		case $cOPT in 1) cOPT=2;; esac
		;;
	-o)
		OUTF=$2; shift 2;;
	*)
		OFILES="$OFILES $1"
		shift
		case $cOPT in 1) cOPT=2;; esac
		;;
	esac
done

case $cOPT in 2) $CC $G -o $OUTF $OFILES -lf2c -lm;; esac
rc=$?
exit $rc