Virgin import of GCC 2.95.1's libf2c

13 files changed, 319 insertions, 160 deletions

diff --git a/contrib/libf2c/libI77/Makefile.in b/contrib/libf2c/libI77/Makefile.in
index 2625bf5..1ff6b60 100644
--- a/contrib/libf2c/libI77/Makefile.in
+++ b/contrib/libf2c/libI77/Makefile.in
@@ -84,58 +84,61 @@ ${srcdir}/configure: configure.in
 VersionI.o: Version.c
 	$(CC) -c $(ALL_CFLAGS) -o $@ $(srcdir)/Version.c
 
-backspace.o:	fio.h
-close.o:	fio.h
+backspace.o:	backspace.c fio.h
+close.o:	close.c fio.h
 dfe.o:		fio.h
-dfe.o:		fmt.h
-due.o:		fio.h
-endfile.o:	fio.h rawio.h
-err.o:		fio.h rawio.h
+dfe.o:		dfe.c fmt.h
+dolio.o:	dolio.c
+due.o:		due.c fio.h
+endfile.o:	endfile.c fio.h rawio.h
+err.o:		err.c fio.h rawio.h
 fmt.o:		fio.h
-fmt.o:		fmt.h
-ftell_.o:	fio.h
+fmt.o:		fmt.c fmt.h
+fmtlib.o:	fmtlib.c
+ftell_.o:	ftell_.c fio.h
 iio.o:		fio.h
-iio.o:		fmt.h
+iio.o:		iio.c fmt.h
 ilnw.o:		fio.h
-ilnw.o:		lio.h
-inquire.o:	fio.h
+ilnw.o:		ilnw.c lio.h
+inquire.o:	inquire.c fio.h
 lread.o:	fio.h
 lread.o:	fmt.h
 lread.o:	lio.h
-lread.o:	fp.h
+lread.o:	lread.c fp.h
 lwrite.o:	fio.h
 lwrite.o:	fmt.h
-lwrite.o:	lio.h
-open.o:		fio.h rawio.h
+lwrite.o:	lwrite.c lio.h
+open.o:		open.c fio.h rawio.h
 rdfmt.o:	fio.h
 rdfmt.o:	fmt.h
-rdfmt.o:	fp.h
-rewind.o:	fio.h
+rdfmt.o:	rdfmt.c fp.h
+rewind.o:	rewind.c fio.h
 rsfe.o:		fio.h
-rsfe.o:		fmt.h
+rsfe.o:		rsfe.c fmt.h
 rsli.o:		fio.h
-rsli.o:		lio.h
+rsli.o:		rsli.c lio.h
 rsne.o:		fio.h
-rsne.o:		lio.h
-sfe.o:		fio.h
-sue.o:		fio.h
-uio.o:		fio.h
-util.o:		fio.h
+rsne.o:		rsne.c lio.h
+sfe.o:		sfe.c fio.h
+sue.o:		sue.c fio.h
+typesize.o:	typesize.c
+uio.o:		uio.c fio.h
+util.o:		util.c fio.h
 wref.o:		fio.h
 wref.o:		fmt.h
-wref.o:		fp.h
+wref.o:		wref.c fp.h
 wrtfmt.o:	fio.h
-wrtfmt.o:	fmt.h
+wrtfmt.o:	wrtfmt.c fmt.h
 wsfe.o:		fio.h
-wsfe.o:		fmt.h
+wsfe.o:		wsfe.c fmt.h
 wsle.o:		fio.h
 wsle.o:		fmt.h
-wsle.o:		lio.h
+wsle.o:		wsle.c lio.h
 wsne.o:		fio.h
-wsne.o:		lio.h
+wsne.o:		wsne.c lio.h
 xwsne.o:	fio.h
 xwsne.o:	lio.h
-xwsne.o:	fmt.h
+xwsne.o:	xwsne.c fmt.h
 
 # May be pessimistic:
 $(OBJ): $(F2C_H_DIR)/f2c.h $(G2C_H_DIR)/g2c.h
@@ -146,7 +149,7 @@ mostlyclean:
 	rm -f *.o
 
 clean: mostlyclean
-	rm -f config.log
+	rm -f config.log ../s-libi77
 
 distclean: clean
 	rm -f config.cache config.status Makefile ../s-libi77 configure
diff --git a/contrib/libf2c/libI77/Version.c b/contrib/libf2c/libI77/Version.c
index 1a5acc2..a056dff 100644
--- a/contrib/libf2c/libI77/Version.c
+++ b/contrib/libf2c/libI77/Version.c
@@ -1,9 +1,9 @@
-static char junk[] = "\n@(#) LIBI77 VERSION pjw,dmg-mods 19980617\n";
+static char junk[] = "\n@(#) LIBI77 VERSION pjw,dmg-mods 19990503\n";
 
 /*
 */
 
-char __G77_LIBI77_VERSION__[] = "0.5.24-19981021";
+char __G77_LIBI77_VERSION__[] = "0.5.25 19990816 (release)";
 
 /*
 2.01	$ format added
@@ -293,6 +293,14 @@ wrtfmt.c:
 		 floating-point numbers (containing either a decimal point
 		 or an exponent field) as errors when they appear as list
 		 input for integer data. */
+/* 7 Sept. 1998: move e_wdfe from sfe.c to dfe.c, where it was originally.
+		 Why did it ever move to sfe.c? */
+/* 2 May 1999:	 open.c: set f__external (to get "external" versus "internal"
+		 right in the error message if we cannot open the file).
+		 err.c: cast a pointer difference to (int) for %d.
+		 rdfmt.c: omit fixed-length buffer that could be overwritten
+		 by formats Inn or Lnn with nn > 83. */
+/* 3 May 1999:	open.c: insert two casts for machines with 64-bit longs. */
 
 
 
diff --git a/contrib/libf2c/libI77/backspace.c b/contrib/libf2c/libI77/backspace.c
index 1da686d..eca1708 100644
--- a/contrib/libf2c/libI77/backspace.c
+++ b/contrib/libf2c/libI77/backspace.c
@@ -27,6 +27,7 @@ integer f_back(alist *a)
 	}
 	if(b->uwrt) {
 		(void) t_runc(a);
+		f = b->ufd;	/* t_runc might change b->ufd */
 		if (f__nowreading(b))
 			err(a->aerr,errno,"backspace");
 		}
diff --git a/contrib/libf2c/libI77/configure b/contrib/libf2c/libI77/configure
index 79e566e..69868c5 100755
--- a/contrib/libf2c/libI77/configure
+++ b/contrib/libf2c/libI77/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12.1 
+# Generated automatically using autoconf version 2.13 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -333,7 +333,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12.1"
+    echo "configure generated by autoconf version 2.13"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -503,9 +503,11 @@ ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+ac_exeext=
+ac_objext=o
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
@@ -525,15 +527,16 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:529: checking for $ac_word" >&5
+echo "configure:531: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in $PATH; do
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
       ac_cv_prog_CC="gcc"
@@ -554,16 +557,17 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:558: checking for $ac_word" >&5
+echo "configure:561: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
-  for ac_dir in $PATH; do
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
     test -z "$ac_dir" && ac_dir=.
     if test -f $ac_dir/$ac_word; then
       if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
@@ -598,25 +602,61 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
+  if test -z "$CC"; then
+    case "`uname -s`" in
+    *win32* | *WIN32*)
+      # Extract the first word of "cl", so it can be a program name with args.
+set dummy cl; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:612: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="cl"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+ ;;
+    esac
+  fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:606: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:644: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
-ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-cat > conftest.$ac_ext <<EOF
-#line 616 "configure"
+cat > conftest.$ac_ext << EOF
+
+#line 655 "configure"
 #include "confdefs.h"
+
 main(){return(0);}
 EOF
-if { (eval echo configure:620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:660: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -630,18 +670,24 @@ else
   ac_cv_prog_cc_works=no
 fi
 rm -fr conftest*
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:640: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:686: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:645: checking whether we are using GNU C" >&5
+echo "configure:691: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -650,7 +696,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:654: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:700: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -661,11 +707,15 @@ echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 
 if test $ac_cv_prog_gcc = yes; then
   GCC=yes
-  ac_test_CFLAGS="${CFLAGS+set}"
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS=
-  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:669: checking whether ${CC-cc} accepts -g" >&5
+else
+  GCC=
+fi
+
+ac_test_CFLAGS="${CFLAGS+set}"
+ac_save_CFLAGS="$CFLAGS"
+CFLAGS=
+echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:719: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -680,23 +730,27 @@ rm -f conftest*
 fi
 
 echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
-  if test "$ac_test_CFLAGS" = set; then
-    CFLAGS="$ac_save_CFLAGS"
-  elif test $ac_cv_prog_cc_g = yes; then
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS="$ac_save_CFLAGS"
+elif test $ac_cv_prog_cc_g = yes; then
+  if test "$GCC" = yes; then
     CFLAGS="-g -O2"
   else
-    CFLAGS="-O2"
+    CFLAGS="-g"
   fi
 else
-  GCC=
-  test "${CFLAGS+set}" = set || CFLAGS="-g"
+  if test "$GCC" = yes; then
+    CFLAGS="-O2"
+  else
+    CFLAGS=
+  fi
 fi
 
 
 test "$AR" || AR=ar
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:700: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:754: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -726,7 +780,7 @@ fi
 
 # Sanity check for the cross-compilation case:
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:730: checking how to run the C preprocessor" >&5
+echo "configure:784: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -741,14 +795,14 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 745 "configure"
+#line 799 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:751: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
+{ (eval echo configure:805: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
@@ -758,14 +812,31 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 762 "configure"
+#line 816 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:768: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
+{ (eval echo configure:822: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -nologo -E"
+  cat > conftest.$ac_ext <<EOF
+#line 833 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:839: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
@@ -778,6 +849,8 @@ fi
 rm -f conftest*
 fi
 rm -f conftest*
+fi
+rm -f conftest*
   ac_cv_prog_CPP="$CPP"
 fi
   CPP="$ac_cv_prog_CPP"
@@ -788,18 +861,18 @@ echo "$ac_t""$CPP" 1>&6
 
 ac_safe=`echo "stdio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for stdio.h""... $ac_c" 1>&6
-echo "configure:792: checking for stdio.h" >&5
+echo "configure:865: checking for stdio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 797 "configure"
+#line 870 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:802: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
+{ (eval echo configure:875: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
@@ -826,12 +899,12 @@ fi
 
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:830: checking for ANSI C header files" >&5
+echo "configure:903: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 835 "configure"
+#line 908 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -839,8 +912,8 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:843: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
+{ (eval echo configure:916: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   ac_cv_header_stdc=yes
@@ -856,7 +929,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 860 "configure"
+#line 933 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -874,7 +947,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 878 "configure"
+#line 951 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -895,7 +968,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 899 "configure"
+#line 972 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -906,7 +979,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:910: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:983: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -931,12 +1004,12 @@ fi
 
 
 echo $ac_n "checking for posix""... $ac_c" 1>&6
-echo "configure:935: checking for posix" >&5
+echo "configure:1008: checking for posix" >&5
 if eval "test \"`echo '$''{'g77_cv_header_posix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 940 "configure"
+#line 1013 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <unistd.h>
@@ -962,12 +1035,12 @@ echo "$ac_t""$g77_cv_header_posix" 1>&6
 # We can rely on the GNU library being posix-ish.  I guess checking the 
 # header isn't actually like checking the functions, though...
 echo $ac_n "checking for GNU library""... $ac_c" 1>&6
-echo "configure:966: checking for GNU library" >&5
+echo "configure:1039: checking for GNU library" >&5
 if eval "test \"`echo '$''{'g77_cv_lib_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 971 "configure"
+#line 1044 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef __GNU_LIBRARY__
@@ -991,12 +1064,12 @@ echo "$ac_t""$g77_cv_lib_gnu" 1>&6
 
 # Apparently cygwin needs to be special-cased.
 echo $ac_n "checking for cyg\`win'32""... $ac_c" 1>&6
-echo "configure:995: checking for cyg\`win'32" >&5
+echo "configure:1068: checking for cyg\`win'32" >&5
 if eval "test \"`echo '$''{'g77_cv_sys_cygwin32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1000 "configure"
+#line 1073 "configure"
 #include "confdefs.h"
 #ifdef __CYGWIN32__
   yes
@@ -1019,12 +1092,12 @@ echo "$ac_t""$g77_cv_sys_cygwin32" 1>&6
 
 # ditto for mingw32.
 echo $ac_n "checking for mingw32""... $ac_c" 1>&6
-echo "configure:1023: checking for mingw32" >&5
+echo "configure:1096: checking for mingw32" >&5
 if eval "test \"`echo '$''{'g77_cv_sys_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1028 "configure"
+#line 1101 "configure"
 #include "confdefs.h"
 #ifdef __MINGW32__
   yes
@@ -1048,18 +1121,18 @@ echo "$ac_t""$g77_cv_sys_mingw32" 1>&6
 
 ac_safe=`echo "fcntl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for fcntl.h""... $ac_c" 1>&6
-echo "configure:1052: checking for fcntl.h" >&5
+echo "configure:1125: checking for fcntl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1057 "configure"
+#line 1130 "configure"
 #include "confdefs.h"
 #include <fcntl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1062: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
+{ (eval echo configure:1135: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
@@ -1091,12 +1164,12 @@ fi
 
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:1095: checking for working const" >&5
+echo "configure:1168: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1100 "configure"
+#line 1173 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1145,7 +1218,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:1149: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1222: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -1166,12 +1239,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:1170: checking for size_t" >&5
+echo "configure:1243: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1175 "configure"
+#line 1248 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1180,7 +1253,7 @@ else
 #endif
 EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  egrep "size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
+  egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then
   rm -rf conftest*
   ac_cv_type_size_t=yes
 else
@@ -1204,12 +1277,12 @@ fi
 # Apparently positive result on cygwin loses re. NON_UNIX_STDIO
 # (as of cygwin b18). Likewise on mingw.
 echo $ac_n "checking for fstat""... $ac_c" 1>&6
-echo "configure:1208: checking for fstat" >&5
+echo "configure:1281: checking for fstat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_fstat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1213 "configure"
+#line 1286 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char fstat(); below.  */
@@ -1232,7 +1305,7 @@ fstat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_fstat=yes"
 else
@@ -1252,7 +1325,7 @@ else
 fi
 
 echo $ac_n "checking need for NON_UNIX_STDIO""... $ac_c" 1>&6
-echo "configure:1256: checking need for NON_UNIX_STDIO" >&5
+echo "configure:1329: checking need for NON_UNIX_STDIO" >&5
 if test $g77_cv_sys_cygwin32 = yes \
   || test $g77_cv_sys_mingw32 = yes \
   || test $ac_cv_func_fstat = no; then
@@ -1268,12 +1341,12 @@ fi
 for ac_func in tempnam
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1272: checking for $ac_func" >&5
+echo "configure:1345: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1277 "configure"
+#line 1350 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1296,7 +1369,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1300: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1326,19 +1399,19 @@ done
 # However, on my sunos4/gcc setup unistd.h leads us wrongly to believe
 # we're posix-conformant, so always do the test.
 echo $ac_n "checking for ansi/posix sprintf result""... $ac_c" 1>&6
-echo "configure:1330: checking for ansi/posix sprintf result" >&5
+echo "configure:1403: checking for ansi/posix sprintf result" >&5
 if test "$cross_compiling" = yes; then
   g77_cv_sys_sprintf_ansi=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 1335 "configure"
+#line 1408 "configure"
 #include "confdefs.h"
   #include <stdio.h>
     /* does sprintf return the number of chars transferred? */
     main () {char foo[2]; (sprintf(foo, "1") == 1) ? exit(0) : exit(1);}
 
 EOF
-if { (eval echo configure:1342: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   g77_cv_sys_sprintf_ansi=yes
 else
@@ -1369,9 +1442,9 @@ fi
 
 # define NON_ANSI_RW_MODES on unix (can't hurt)
 echo $ac_n "checking NON_ANSI_RW_MODES""... $ac_c" 1>&6
-echo "configure:1373: checking NON_ANSI_RW_MODES" >&5
+echo "configure:1446: checking NON_ANSI_RW_MODES" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1375 "configure"
+#line 1448 "configure"
 #include "confdefs.h"
 #ifdef unix
   yes
@@ -1443,7 +1516,7 @@ EOF
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  case `(ac_space=' '; set) 2>&1 | grep ac_space` in
+  case `(ac_space=' '; set | grep ac_space) 2>&1` in
   *ac_space=\ *)
     # `set' does not quote correctly, so add quotes (double-quote substitution
     # turns \\\\ into \\, and sed turns \\ into \).
@@ -1522,7 +1595,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -1545,6 +1618,7 @@ s%@SHELL@%$SHELL%g
 s%@CFLAGS@%$CFLAGS%g
 s%@CPPFLAGS@%$CPPFLAGS%g
 s%@CXXFLAGS@%$CXXFLAGS%g
+s%@FFLAGS@%$FFLAGS%g
 s%@DEFS@%$DEFS%g
 s%@LDFLAGS@%$LDFLAGS%g
 s%@LIBS@%$LIBS%g
diff --git a/contrib/libf2c/libI77/configure.in b/contrib/libf2c/libI77/configure.in
index e5fc32d..2b34830 100644
--- a/contrib/libf2c/libI77/configure.in
+++ b/contrib/libf2c/libI77/configure.in
@@ -19,6 +19,7 @@
 #the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #02111-1307, USA.
 
+AC_PREREQ(2.12.1)
 AC_INIT(ftell_.c)
 
 dnl Checks for programs.
diff --git a/contrib/libf2c/libI77/dfe.c b/contrib/libf2c/libI77/dfe.c
index f8c1fc1..f639ab5 100644
--- a/contrib/libf2c/libI77/dfe.c
+++ b/contrib/libf2c/libI77/dfe.c
@@ -81,7 +81,7 @@ c_dfe(cilist *a)
 	f__fmtbuf=a->cifmt;
 	if(a->cirec <= 0)
 		err(a->cierr,130,"dfe");
-	fseek(f__cf,(long)f__curunit->url * (a->cirec-1),SEEK_SET);
+	(void) fseek(f__cf,(long)f__curunit->url * (a->cirec-1),SEEK_SET);
 	f__curunit->uend = 0;
 	return(0);
 }
@@ -138,3 +138,9 @@ integer e_rdfe(Void)
 	en_fio();
 	return(0);
 }
+
+integer e_wdfe(Void)
+{
+	f__init = 1;
+	return en_fio();
+}
diff --git a/contrib/libf2c/libI77/endfile.c b/contrib/libf2c/libI77/endfile.c
index 0b785a9..0e4ac03 100644
--- a/contrib/libf2c/libI77/endfile.c
+++ b/contrib/libf2c/libI77/endfile.c
@@ -87,7 +87,9 @@ t_runc(alist *a)
 		}
 	if (!(bf = fopen(b->ufnm, f__r_mode[0]))
 	 || !(tf = tmpfile())) {
+#ifdef NON_UNIX_STDIO
  bad:
+#endif
 		rc = 1;
 		goto done;
 		}
diff --git a/contrib/libf2c/libI77/err.c b/contrib/libf2c/libI77/err.c
index 56d82ac..e7ac23a 100644
--- a/contrib/libf2c/libI77/err.c
+++ b/contrib/libf2c/libI77/err.c
@@ -163,7 +163,8 @@ f__fatal(int n, char *s)
 	dead = 1;
 	if (f__init & 1) {
 		if (f__curunit) {
-			fprintf(stderr,"apparent state: unit %d ",f__curunit-f__units);
+			fprintf(stderr,"apparent state: unit %d ",
+				(int)(f__curunit-f__units));
 			fprintf(stderr, f__curunit->ufnm ? "named %s\n" : "(unnamed)\n",
 				f__curunit->ufnm);
 			}
diff --git a/contrib/libf2c/libI77/lread.c b/contrib/libf2c/libI77/lread.c
index 24b621d..3d40059 100644
--- a/contrib/libf2c/libI77/lread.c
+++ b/contrib/libf2c/libI77/lread.c
@@ -24,14 +24,17 @@ int (*f__lioproc)(), (*l_getc)(), (*l_ungetc)();
 #undef min
 #undef max
 #include <stdlib.h>
-int (*f__lioproc)(ftnint*, char*, ftnlen, ftnint), (*l_getc)(void),
-	(*l_ungetc)(int,FILE*);
 #endif
 
 #include "fmt.h"
 #include "lio.h"
 #include "fp.h"
 
+#ifndef KR_headers
+int (*f__lioproc)(ftnint*, char*, ftnlen, ftnint), (*l_getc)(void),
+	(*l_ungetc)(int,FILE*);
+#endif
+
 int l_eof;
 
 #define isblnk(x) (f__ltab[x+1]&B)
diff --git a/contrib/libf2c/libI77/open.c b/contrib/libf2c/libI77/open.c
index 7c8f3de..3e4c8bc 100644
--- a/contrib/libf2c/libI77/open.c
+++ b/contrib/libf2c/libI77/open.c
@@ -141,6 +141,7 @@ integer f_open(olist *a)
 	int n;
 #endif
 	if(f__init != 1) f_init();
+	f__external = 1;
 	if(a->ounit>=MXUNIT || a->ounit<0)
 		err(a->oerr,101,"open");
 	f__curunit = b = &f__units[a->ounit];
@@ -186,7 +187,7 @@ integer f_open(olist *a)
 			opnerr(a->oerr,107,"open");
 		}
 	else
-		sprintf(buf, "fort.%ld", a->ounit);
+		sprintf(buf, "fort.%ld", (long)a->ounit);
 	b->uscrtch = 0;
 	b->uend=0;
 	b->uwrt = 0;
@@ -280,7 +281,7 @@ fk_open(int seq, int fmt, ftnint n)
 	int rtn;
 	int save_init;
 
-	(void) sprintf(nbuf,"fort.%ld",n);
+	(void) sprintf(nbuf,"fort.%ld",(long)n);
 	a.oerr=1;
 	a.ounit=n;
 	a.ofnm=nbuf;
diff --git a/contrib/libf2c/libI77/rdfmt.c b/contrib/libf2c/libI77/rdfmt.c
index b03bcc5..08ff0e8 100644
--- a/contrib/libf2c/libI77/rdfmt.c
+++ b/contrib/libf2c/libI77/rdfmt.c
@@ -99,60 +99,125 @@ rd_I(n,w,len, base) Uint *n; int w; ftnlen len; register int base;
 #else
 rd_I(Uint *n, int w, ftnlen len, register int base)
 #endif
-{	longint x;
-	int sign,ch;
-	char s[84], *ps;
-	ps=s; x=0;
-	while (w)
-	{
+{
+	int bad, ch, sign;
+	longint x = 0;
+
+	if (w <= 0)
+		goto have_x;
+	for(;;) {
 		GET(ch);
-		if (ch==',' || ch=='\n') break;
-		*ps=ch; ps++; w--;
-	}
-	*ps='\0';
-	ps=s;
-	while (*ps==' ') ps++;
-	if (*ps=='-') { sign=1; ps++; }
-	else { sign=0; if (*ps=='+') ps++; }
-loop:	while (*ps>='0' && *ps<='9') { x=x*base+(*ps-'0'); ps++; }
-	if (*ps==' ') {if (f__cblank) x *= base; ps++; goto loop;}
-	if(sign) x = -x;
-	if(len==sizeof(integer)) n->il=x;
-	else if(len == sizeof(char)) n->ic = (char)x;
+		if (ch != ' ')
+			break;
+		if (!--w)
+			goto have_x;
+		}
+	sign = 0;
+	switch(ch) {
+	  case ',':
+	  case '\n':
+		w = 0;
+		goto have_x;
+	  case '-':
+		sign = 1;
+	  case '+':
+		break;
+	  default:
+		if (ch >= '0' && ch <= '9') {
+			x = ch - '0';
+			break;
+			}
+		goto have_x;
+		}
+	while(--w) {
+		GET(ch);
+		if (ch >= '0' && ch <= '9') {
+			x = x*base + ch - '0';
+			continue;
+			}
+		if (ch != ' ') {
+			if (ch == '\n' || ch == ',')
+				w = 0;
+			break;
+			}
+		if (f__cblank)
+			x *= base;
+		}
+	if (sign)
+		x = -x;
+ have_x:
+	if(len == sizeof(integer))
+		n->il=x;
+	else if(len == sizeof(char))
+		n->ic = (char)x;
 #ifdef Allow_TYQUAD
-	else if (len == sizeof(longint)) n->ili = x;
+	else if (len == sizeof(longint))
+		n->ili = x;
 #endif
-	else n->is = (short)x;
-	if (*ps) return(errno=115); else return(0);
+	else
+		n->is = (short)x;
+	if (w) {
+		while(--w)
+			GET(ch);
+		return errno = 115;
+		}
+	return 0;
 }
+
  static int
 #ifdef KR_headers
 rd_L(n,w,len) ftnint *n; ftnlen len;
 #else
 rd_L(ftnint *n, int w, ftnlen len)
 #endif
-{	int ch, lv;
-	char s[84], *ps;
-	ps=s;
-	while (w) {
+{	int ch, dot, lv;
+
+	if (w <= 0)
+		goto bad;
+	for(;;) {
 		GET(ch);
-		if (ch==','||ch=='\n') break;
-		*ps=ch;
-		ps++; w--;
+		--w;
+		if (ch != ' ')
+			break;
+		if (!w)
+			goto bad;
 		}
-	*ps='\0';
-	ps=s; while (*ps==' ') ps++;
-	if (*ps=='.') ps++;
-	if (*ps=='t' || *ps == 'T')
+	dot = 0;
+ retry:
+	switch(ch) {
+	  case '.':
+		if (dot++ || !w)
+			goto bad;
+		GET(ch);
+		--w;
+		goto retry;
+	  case 't':
+	  case 'T':
 		lv = 1;
-	else if (*ps == 'f' || *ps == 'F')
+		break;
+	  case 'f':
+	  case 'F':
 		lv = 0;
-	else return(errno=116);
+		break;
+	  default:
+ bad:
+		for(; w > 0; --w)
+			GET(ch);
+		/* no break */
+	  case ',':
+	  case '\n':
+		return errno = 116;
+		}
 	switch(len) {
 		case sizeof(char):	*(char *)n = (char)lv;	 break;
 		case sizeof(short):	*(short *)n = (short)lv; break;
 		default:		*n = lv;
 		}
+	while(w-- > 0) {
+		GET(ch);
+		if (ch == ',' || ch == '\n')
+			break;
+		}
 	return 0;
 }
 
diff --git a/contrib/libf2c/libI77/rsne.c b/contrib/libf2c/libI77/rsne.c
index 86bb216..c9d5f10 100644
--- a/contrib/libf2c/libI77/rsne.c
+++ b/contrib/libf2c/libI77/rsne.c
@@ -530,10 +530,10 @@ x_rsne(cilist *a)
 					no1 = (ivae - iva)/size;
 					if (no1 > f__lcount)
 						no1 = f__lcount;
-					iva += no1 * dn0->delta;
 					if (k = l_read(&no1, vaddr + iva,
 							size, type))
 						return k;
+					iva += no1 * dn0->delta;
 					}
 				}
  mustend:
diff --git a/contrib/libf2c/libI77/sfe.c b/contrib/libf2c/libI77/sfe.c
index eb6260f..f7c3b83 100644
--- a/contrib/libf2c/libI77/sfe.c
+++ b/contrib/libf2c/libI77/sfe.c
@@ -32,9 +32,3 @@ integer e_wsfe(Void)
 	f__fmtbuf=NULL;
 	return n;
 }
-
-integer e_wdfe(Void)
-{
-	f__init = 1;
-	return en_fio();
-}