$NetBSD: patch-ac,v 1.7 1999/12/22 20:22:15 dmcmahill Exp $

Much cleanup of the script.  Added various options such as
-O for optimization
-fPIC for PIC support
-Wall for gcc warnings
-Wl,  for additional linker arguments
-v, for verbose output

--- fc.orig	Fri Apr 16 09:24:46 1999
+++ fc	Wed Dec 22 15:15:08 1999
@@ -1,101 +1,125 @@
 #!/bin/sh
-
-# NOTE: you may need to adjust the references to /usr/local/... below
-#	(or remove them if they're not needed on your system).
-#	See also the comments starting with ### below.
-
-PATH=/usr/local/bin:/bin:/usr/bin
-
+PATH=/bin:/usr/bin:@PREFIX@/bin
+#USAGESTART
 # f77-style shell script to compile and load fortran, C, and assembly codes
-
-#	usage:	f77 [options] files [-l library]
-
+#
+#	usage:	f2c-f77 [options] files [-l library]
+#
 #	Options:
-
-#		-o objfile	Override default executable name a.out.
-
+#
 #		-c		Do not call linker, leave relocatables in *.o.
-
+#
 #		-C		Check that subscripts are in bounds.
-
+#
+#		-D def		passed to C compiler (for .c files)
+#				or to cpp (for .F files)
+#
+#		-fPIC		turn on the -fPIC flag to the c compiler
+#
+#		-g		produce debugging information.
+#
+#		-I includepath	passed to C compiler (for .c files)
+#				or to cpp (for .F files), and to f2c
+#
+#		-l library	(passed to ld).
+#
+#		-L includepath	passed to ld.  Library include path
+#
+#		-Ntnnn		allow nnn entries in table t
+#
+#		-o objfile	Override default executable name a.out.
+#
+#		-O		turn on the -O flag to the c compiler
+#
+#		-O1		turn on the -O1 flag to the c compiler
+#
+#		-O2		turn on the -O2 flag to the c compiler
+#
+#		-O3		turn on the -O3 flag to the c compiler
+#
+#		-P		emit .P files
+#
 #		-S		leave assembler output on file.s
-
-#		-L libdir	(passed to ld)
-
-#		-l library	(passed to ld)
-
+#
 #		-u		complain about undeclared variables
-
+#
+#		-U def		passed to C compiler (for .c files) or to
+#				cpp (for .F files) to remove def
+#
+#		-v		be verbose.  Output is produced on the standard
+#				error output.
+#
 #		-w		omit all warning messages
-
+#
 #		-w66		omit Fortran 66 compatibility warning messages
-
-#		files		FORTRAN source files ending in .f .
+#
+#		-Wall		turn on the -Wall flag to the c compiler
+#
+#		-Wl,		Pass options to the linker.  For example, 
+#				-Wl,-R/usr/X11R6/lib
+#				passes "-R/usr/X11R6/lib" to the linker
+#
+#		files		FORTRAN source files ending in .f
 #				FORTRAN with cpp preprocessor directives
-#					ending in .F .
-#				C source files ending in .c .
-#				Assembly language files ending in .s .
-#				efl source files ending in .e .
-#				RATFOR files ending in .r .
-#				Object files ending in .o .
-#				Shared libraries ending in .so .
-
+#					ending in .F 
+#				C source files ending in .c
+#				Assembly language files ending in .s 
+#				efl source files ending in .e 
+#				RATFOR files ending in .r 
+#				Object files ending in .o
+#				Shared libraries ending in .so
+#
 #				f2c prototype files ending in .P ; such
 #				files only affect subsequent files.
 
-#		-D def		passed to C compiler (for .c files)
-#				or to cpp (for .F files)
+# if no input arguments, then spit out the help stuff from the beginning
+# of this file.
+if [ $# = 0 ]; then
+ cat $0 | awk '$1 == "#USAGESTART", $1 == ""' | tail +2 | sed 's/#//g'
+fi
 
-#		-I includepath	passed to C compiler (for .c files)
-#				or to cpp (for .F files), and to f2c
-
-#		-Ntnnn		allow nnn entries in table t
-
-#		-P		emit .P files
-
-#		-U def		passed to C compiler (for .c files)
-#				or to cpp (for .F files) to remove def
 
 s=/tmp/stderr_$$
 t=/tmp/f77_$$.o
-### On some systems (e.g., IRIX), -common prevents complaints
-### about multiple definitions of COMMON blocks.
-#CC=${CC_f2c:-'cc -common'}
-CC=${CC_f2c:-'cc'}
+CC=${CC_f2c:-'cc '}
 EFL=${EFL:-efl}
 EFLFLAGS=${EFLFLAGS:-'system=portable deltastno=10'}
 RATFOR=${RATFOR:-ratfor}
 RFLAGS=${RFLAGS:-'-6&'}
-F2C=${F2C:-/usr/local/bin/f2c}
-F2CFLAGS=${F2CFLAGS:='-ARw8 -Nn802 -Nq300 -Nx400'}
-CPP=${CPP:-/lib/cpp}
+F2C=${F2C:-@PREFIX@/bin/f2c}
+F2CFLAGS=${F2CFLAGS:='-ARw8 -Nn802 -Nx400'}
+CPP=${CPP:-/usr/bin/cpp}
 rc=0
 trap "rm -f $s $t; exit \$rc" 0
 OUTF=a.out
-OUTO=
 cOPT=1
-set -- `getopt cCD:gI:L:N:OU:o:Suw6 "$@"`
-case $? in 0);; *) rc=$?; exit;; esac
-CPPFLAGS=${CPPFLAGS:-'-I/usr/local/include'}
-CFLAGSF2C=${CFLAGSF2C:-'-I/usr/local/include'}
-OFILES=
+ARGS=
+CPPFLAGS=
+CFLAGS=-I@PREFIX@/include 
+LIBS=
+FLIBS="-L@PREFIX@/lib -lf2c -lm"
+VERBOSE=no
+
 while
-	test X"$1" != X--
+	test -n "$1"
 do
 	case "$1"
 	in
-	-C)	F2CFLAGS="$F2CFLAGS -C"
-		shift;;
-
 	-c)	cOPT=0
 		shift
 		;;
 
-	-D)	CPPFLAGS="$CPPFLAGS -D$2"
-		shift 2
-		;;
+	-C)	F2CFLAGS="$F2CFLAGS -C"
+		shift;;
+
+	-D*)	CPPFLAGS="$CPPFLAGS $1"
+		shift;;
+
+        -fPIC)  CFLAGS="$CFLAGS $1"
+                shift;;
 
 	-g)	CFLAGS="$CFLAGS -g"
 		F2CFLAGS="$F2CFLAGS -g"
+		G="-g"
 		shift;;
 
@@ -105,61 +129,97 @@
 		;;
 
-	-U)	CPPFLAGS="$CPPFLAGS -U$2"
-		shift 2
-		;;
+        -I*)    CFLAGS="$CFLAGS $1"
+		CPPFLAGS="$CPPFLAGS $1"
+		F2CFLAGS="$F2CFLAGS $1"
+                shift 1
+                ;;
+
+        -l*)    LIBS="$LIBS $1"
+                shift 1
+                ;;
+
+        -L*)    LIBS="$LIBS $1"
+                shift 1
+                ;;
 
 	-o)	OUTF=$2
-		OUTO=$2
 		shift 2
 		;;
 
-	-O)	case $2 in -1) O=-O1;; -2) O=-O2;; -3) O=-O3;; *) O=-O;; esac
-		case $O in -O);; *) shift;; esac
-		CFLAGS="$CFLAGS $O -Olimit 2000"
+#	-N)	F2CFLAGS="$F2CFLAGS $1""$2"
+#		shift 2
+#		;;
+# can't seem to find out what -N is supposed to do.
+
+	-O|-O1|-O2|-O3)	
+		CFLAGS="$CFLAGS $1"
 		shift
 		;;
 
-	-u)	F2CFLAGS="$F2CFLAGS -u"
+	-P)	F2CFLAGS="$F2CFLAGS $1"
 		shift
 		;;
 
-	-w)	F2CFLAGS="$F2CFLAGS -w"
-		case $2 in -6) F2CFLAGS="$F2CFLAGS"66; shift
-			case $2 in -6) shift;; esac;; esac
+
+	-S)	CFLAGS="$CFLAGS -S"
+		cOPT=0
 		shift
 		;;
 
-	-L)	OFILES="$OFILES $1$2"
-		shift 2
-		case $cOPT in 1) cOPT=2;; esac
+	-u)	F2CFLAGS="$F2CFLAGS -u"
+		shift
 		;;
 
-	-L*)	OFILES="$OFILES $1"
+	-U*)	CPPFLAGS="$CPPFLAGS $1"
+		shift;;
+
+	-v)	VERBOSE=yes
 		shift
-		case $cOPT in 1) cOPT=2;; esac
 		;;
 
-	-N)	F2CFLAGS="$F2CFLAGS $1""$2"
-		shift 2
+	-w)	F2CFLAGS="$F2CFLAGS -w"
+		shift
 		;;
 
-	-P)	F2CFLAGS="$F2CFLAGS $1"
+	-w66)	F2CFLAGS="$F2CFLAGS -w66"
 		shift
 		;;
 
+	-Wall)	CFLAGS="$CFLAGS -Wall"
+		shift
+		;;
 
-	-S)	CFLAGS="$CFLAGS -S"
-		cOPT=0
+	-Wl*)	CFLAGS="$CFLAGS $1"
 		shift
 		;;
 
+	-*)	echo "ERROR:  $1 is not a valid option"
+		exit 1
+		;;
+
 	*)
-		echo "invalid parameter $1" 1>&2
+		ARGS="$ARGS $1"
 		shift
 		;;
 	esac
 done
-shift
-case $cOPT in 0) case $OUTO in '');; *) CFLAGS="$CFLAGS -o $OUTO";; esac;; esac
+
+if test $cOPT = 0; then
+  if test "$OUTF" != "a.out"; then
+    CFLAGS="$CFLAGS -o $OUTF"
+  fi
+fi
+set -- $ARGS
+
+if test $VERBOSE = "yes"; then
+  F2CVER=`$F2C < /dev/null | awk '/.*version/ {print $6" "$7}'`
+  echo "f2c-f77:"
+  echo "F2C= $F2C, $F2CVER"
+  echo "CC= $CC"
+  echo "CFLAGS= $CFLAGS"
+  echo "CPPFLAGS= $CPPFLAGS"
+  echo "FLIBS= $FLIBS"
+fi
+
 while
 	test -n "$1"
@@ -171,4 +231,7 @@
 		case "$1" in
 			*.f)	b=`basename $1 .f`
+				if test $VERBOSE = "yes"; then
+					echo "$F2C $F2CFLAGS $1"
+				fi
 				$F2C $F2CFLAGS $1
 				rc=$?
@@ -178,4 +241,7 @@
 				rc=$?
 				case $rc in 0)
+					if test $VERBOSE="yes"; then
+						echo "$F2C $F2CFLAGS <$b.i >$b.c"
+					fi
 					$F2C $F2CFLAGS <$b.i >$b.c
 					rc=$?
@@ -185,5 +251,5 @@
 			esac
 		case $rc in 0);; *) exit;; esac
-                $CC -c $CFLAGSF2C $CFLAGS $b.c 2>$s
+                $CC -c $CFLAGS $b.c 2>$s
 		rc=$?
 		sed '/parameter .* is not referenced/d;/warning: too many parameters/d' $s 1>&2
@@ -200,5 +266,5 @@
 		$F2C $F2CFLAGS $b.f
 		case $? in 0);; *) rc=$?; exit;; esac
-                $CC -c $CFLAGSF2C $CFLAGS $b.c
+                $CC -c $CFLAGS $b.c
 		case $? in 0);; *) rc=$?; exit;; esac
 		OFILES="$OFILES $b.o"
@@ -213,5 +279,5 @@
 		$F2C $F2CFLAGS $b.f
 		case $? in 0);; *) rc=$?; exit;; esac
-		$CC -c $CFLAGSF2C $CFLAGS $b.c
+		$CC -c $CFLAGS $b.c
 		case $? in 0);; *) rc=$?; exit;; esac
 		OFILES="$OFILES $b.o"
@@ -232,5 +298,5 @@
 		echo $1: 1>&2
 		OFILE=`basename $1 .c`.o
-                $CC -c $CFLAGSF2C $CPPFLAGS $CFLAGS $1
+                $CC -c $CPPFLAGS $CFLAGS $1
 		rc=$?; case $rc in 0);; *) rc=$?; exit;; esac
 		OFILES="$OFILES $OFILE"
@@ -248,10 +314,10 @@
 		shift
 		;;
-	-[lL])
-		OFILES="$OFILES $1$2"
+	-l)
+		OFILES="$OFILES -l$2"
 		shift 2
 		case $cOPT in 1) cOPT=2;; esac
 		;;
-	-[lL]*)
+	-l*)
 		OFILES="$OFILES $1"
 		shift
@@ -259,6 +325,5 @@
 		;;
 	-o)
-		case $cOPT in 0) CFLAGS="$CFLAGS -o $2";; *) OUTF=$2;; esac
-		shift 2;;
+		OUTF=$2; shift 2;;
 	*.P)
 		F2CFLAGS="$F2CFLAGS $1"
@@ -273,9 +338,11 @@
 done
 
-### On some (IRIX) systems, -Wl,-dont_warn_unused prevents complaints
-### about unnecessary -l options.
+case $cOPT 
+in 
+  2) $CC $CFLAGS -o $OUTF -u _MAIN__ $OFILES $LIBS $FLIBS 
+     ;; 
+esac
 
-#case $cOPT in 2) $CC -Wl,-dont_warn_unused -o $OUTF -u MAIN__ -L/usr/local/lib $OFILES -lf2c -lm;; esac
-case $cOPT in 2) $CC -o $OUTF -u MAIN__ -L/usr/local/lib $OFILES -lf2c -lm;; esac
 rc=$?
 exit $rc
+