Make libf2c a shared library (gcc/f directory).

2001-09-29  Juergen Pfeifer  <juergen.pfeifer@gmx.net>

	Make libf2c a shared library (gcc/f directory).

	* Make-lang.in: Pass define of frtbegin.o to compilation of g77spec.c.
	* g77spec.c (lang_specific_driver): Treat linking in of frtbegin.o.

2001-09-29  Juergen Pfeifer  <juergen.pfeifer@gmx.net>
            Toon Moene  <toon@moene.indiv.nluug.nl>

	Make libf2c a shared library (libf2c directory).

	* aclocal.m4: Get definition of libtool.
	* Makefile.in: Use libtool.
	* configure.in: Use libtool.
	* configure: Regenerated.
	* libF77/Makefile.in: Use libtool; treat main program contained in
	libF77/main.c specially.
	* libF77/configure.in: Use libtool.
	* libF77/configure: Regenerated.
	* libI77/Makefile.in: Use libtool.
	* libI77/configure.in: Use libtool.
	* libI77/configure: Regenerated.
	* libU77/Makefile.in: Use libtool.
	* libU77/configure.in: Use libtool.
	* libU77/configure: Regenerated.
	* libU77/date_.c: Adapt for -fPIC compiling.
	* libU77/vxtidate_.c: Ditto.

From-SVN: r45913

gcc/f/ChangeLog

+2001-09-29  Juergen Pfeifer  <juergen.pfeifer@gmx.net>
+
+	Make libf2c a shared library.
+
+	* Make-lang.in: Pass define of frtbegin.o to compilation of g77spec.c.
+	* g77spec.c (lang_specific_driver): Treat linking in of frtbegin.o.
+
 2001-09-28  Robert Anderson  <rwa@alumni.princeton.edu>
 
 	* expr.c (ffeexpr_sym_rhs_dimlist_): Allow array elements

gcc/f/Make-lang.in

@@ -73,6 +73,7 @@ g77spec.o: $(srcdir)/f/g77spec.c $(srcdir)/f/version.h $(SYSTEM_H) $(GCC_H) \
 	esac
 	if [ -f lang-f77 ]; then \
 	  $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+		-DFORTRAN_INIT=\"$(libsubdir)/frtbegin.o\" \
 		$(srcdir)/f/g77spec.c $(OUTPUT_OPTION); \
 	else true; fi
 

gcc/f/g77spec.c

@@ -286,6 +286,9 @@ lang_specific_driver (in_argc, in_argv, in_added_libraries)
      2 => last two args were -l<library> -lm.  */
   int saw_library = 0;
 
+  /* 0 => initial/reset state
+     1 => FORTRAN_INIT linked in */
+  int use_init = 0;
   /* By default, we throw on the math library if we have one.  */
   int need_math = (MATH_LIBRARY[0] != '\0');
 
@@ -518,7 +521,14 @@ For bug reporting instructions, please see:\n\
 	      if (saw_library == 1)
 		saw_library = 2;	/* -l<library> -lm. */
 	      else
-		append_arg (FORTRAN_LIBRARY);
+		{
+		  if (0 == use_init)
+		    {
+		      append_arg (FORTRAN_INIT);
+		      use_init = 1;
+		    }
+		  append_arg (FORTRAN_LIBRARY);
+		}
 	    }
 	  else if (strcmp (argv[i], FORTRAN_LIBRARY) == 0)
 	    saw_library = 1;	/* -l<library>. */
@@ -542,6 +552,11 @@ For bug reporting instructions, please see:\n\
       switch (saw_library)
 	{
 	case 0:
+	  if (0 == use_init)
+	    {
+	      append_arg (FORTRAN_INIT);
+	      use_init = 1;
+	    }
 	  append_arg (library);
 	case 1:
 	 if (need_math)

libf2c/Makefile.in

@@ -31,8 +31,16 @@ target_alias = @target_alias@
 gcc_version = @gcc_version@
 gcc_version_trigger = @gcc_version_trigger@
 
+top_builddir = .
+
 libdir = $(exec_prefix)/lib
 libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
+#
+VERSION_MAJOR=0
+VERSION_MINOR=5
+# We'd rather had 27 here - to indicate the version at which
+# a shared libf2c was created; however, libtool doesn't accept this.
+VERSION_SUB=0
 
 # Multilib support variables.
 MULTISRCTOP =
@@ -49,11 +57,7 @@ INSTALL = @INSTALL@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_DATA = @INSTALL_DATA@
 
-AR = @AR@
-AR_FLAGS = rc
-
-RANLIB = @RANLIB@
-
+LIBTOOL = @LIBTOOL@
 CC = @CC@
 CFLAGS = @CFLAGS@
 
@@ -61,9 +65,9 @@ CFLAGS = @CFLAGS@
 # Quote this way so that it can be used to set shell variables too.
 FLAGS_TO_PASS= \
 	CC='$(CC)' \
+	LIBTOOL='$(LIBTOOL)' \
 	CFLAGS='$(CFLAGS)' \
 	CPPFLAGS='$(CPPFLAGS)' \
-	AR='$(AR)' \
 	RANLIB='$(RANLIB)' \
 	prefix='$(prefix)' \
 	exec_prefix='$(exec_prefix)' \
@@ -71,7 +75,8 @@ FLAGS_TO_PASS= \
 	libsubdir='$(libsubdir)' \
 	tooldir='$(tooldir)'
 
-LIBG2C = libg2c.a
+LIBG2C_BASE = libg2c
+LIBG2C = $(LIBG2C_BASE).la
 
 SUBDIRS = libI77 libF77 libU77
 
@@ -132,14 +137,20 @@ i77 f77 u77: g2c.h
 # always have been created by a successful `all-unilib'.
 
 $(LIBG2C): s-libi77 s-libf77 s-libu77 s-libe77
-	rm -f $(LIBG2C)
+	rm -f $@ ;\
 	set -e; \
-	for i in $(SUBDIRS); \
-	  do (cd $$i && $(MAKE) $(FLAGS_TO_PASS) LIBG2C=../$(LIBG2C) archive); \
-	done
-	objs=""; for i in $(F2CEXT); do objs="$$objs libE77/L$$i.o"; done; \
-	  $(AR) $(AR_FLAGS) $(LIBG2C) $$objs
-	$(RANLIB) $(LIBG2C)
+	rm -f objlist ;\
+	touch objlist ;\
+	for i in $(SUBDIRS) ;\
+	do \
+	  (cd $$i && $(MAKE) $(FLAGS_TO_PASS) objlist) ;\
+	done ;\
+	objs="`cat objlist`" ;\
+	for i in $(F2CEXT); do objs="$$objs libE77/L$$i.lo"; done ;\
+	echo -n $$objs > objlist 
+	$(LIBTOOL) --mode=link $(CC) -o $@ \
+	  -version-info $(VERSION_MAJOR):$(VERSION_MINOR):$(VERSION_SUB) \
+	  -rpath $(prefix)/lib `cat objlist` -lc -lm
 
 i77:
 	cd libI77; $(MAKE) $(FLAGS_TO_PASS) all
@@ -151,13 +162,13 @@ u77:
 	cd libU77; $(MAKE) $(FLAGS_TO_PASS) all
 
 s-libe77: f2cext.c
-	if [ -d libE77 ]; then rm -f libE77/*.o; else mkdir libE77; fi
+	if [ -d libE77 ]; then rm -f libE77/*.o libE77/*.lo; else mkdir libE77; fi
 	for name in $(F2CEXT); \
 	do \
 	  echo $${name}; \
-	  $(CC) -c -I. -I$(srcdir) -I../../include $(CPPFLAGS) $(CFLAGS) \
-	    -DL$${name} $(srcdir)/f2cext.c \
-	    -o libE77/L$${name}.o; \
+	  $(LIBTOOL) --mode=compile $(CC) -c -I. -I$(srcdir) -I../../include \
+	    $(CPPFLAGS) $(CFLAGS) -DL$${name} $(srcdir)/f2cext.c \
+	    -o libE77/L$${name}.o ; \
 	  if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
 	done
 	echo timestamp >s-libe77
@@ -194,9 +205,12 @@ check:
 	cd libU77; $(MAKE) G77DIR=../../../gcc/ check
 
 install: all
-	$(INSTALL_DATA) $(LIBG2C) $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n
-	( cd $(libsubdir)/$(MULTISUBDIR) ; $(RANLIB) $(LIBG2C).n )
-	mv -f $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
+	$(LIBTOOL) --mode=install $(INSTALL_DATA) $(LIBG2C) $(libsubdir)/$(MULTISUBDIR)
+	(cd $(libsubdir)/$(MULTISUBDIR) ; \
+	   if [ -f $(LIBG2C_BASE).so ]; then \
+	     mv $(LIBG2C_BASE).so* $(prefix)/lib ;\
+	   fi)
+	$(INSTALL_DATA) frtbegin.o $(libsubdir)
 	$(INSTALL_DATA) g2c.h $(libsubdir)/include/g2c.h
 	@if [ -f f2c-install-ok -o -f $(srcdir)/f2c-install-ok ]; then \
 	  echo ''; \
@@ -208,16 +222,18 @@ install: all
 	  echo ''; \
 	else true; fi
 	$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
+	@-$(LIBTOOL) --mode=finish $(prefix)/lib
 
 install-strip:
 	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install
 
 uninstall:
-	rm -f $(libsubdir)/$(MULTISUBDIR)/include/g2c.h $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
+	rm -f $(libsubdir)/$(MULTISUBDIR)/include/g2c.h $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C_BASE).*
+	rm -f $(prefix)/lib/$(LIBG2C_BASE).so*
 	$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
 
 mostlyclean:
-	rm -f $(LIBG2C)
+	rm -f $(LIBG2C) objlist
 	$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
 	$(MULTICLEAN) multi-clean DO=$@
 	rm -fr libE77 s-libe77
@@ -226,6 +242,7 @@ clean: mostlyclean
 	rm -f config.log
 	$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
 	$(MULTICLEAN) multi-clean DO=$@
+	rm -rf .libs
 
 distclean: clean
 	rm -f g2c.h s-libe77

libf2c/aclocal.m4

+sinclude(../libtool.m4)
+dnl The lines below arrange for aclocal not to bring an installed
+dnl libtool.m4 into aclocal.m4, while still arranging for automake to
+dnl add a definition of LIBTOOL to Makefile.in.
+ifelse(,,,[AC_SUBST(LIBTOOL)
+AC_DEFUN([AM_PROG_LIBTOOL])
+])

libf2c/configure.in

@@ -73,6 +73,7 @@ define([AC_PROG_CC_WORKS],[])
 # the makefiles
 
 AC_PROG_CC
+AM_PROG_LIBTOOL
 
 dnl These should be inherited in the recursive make, but ensure they are
 dnl defined:

libf2c/libF77/Makefile.in

@@ -31,15 +31,11 @@ VPATH = @srcdir@
 # configuration.
 DEFS = @DEFS@
 
-LIBG2C = ../libg2c.a
-
 F2C_H_DIR = @srcdir@/..
 G2C_H_DIR = ..
 CC = @CC@
 CFLAGS = @CFLAGS@
 CPPFLAGS = @CPPFLAGS@
-AR = @AR@
-ARFLAGS = rc
 @SET_MAKE@
 
 SHELL = /bin/sh
@@ -52,9 +48,9 @@ ALL_CFLAGS = -I. -I$(srcdir) -I$(G2C_H_DIR) -I$(F2C_H_DIR) $(CPPFLAGS) $(DEFS) $
 .SUFFIXES: .c .o
 
 .c.o:
-	$(CC) -c -DSkip_f2c_Undefs $(ALL_CFLAGS) $<
+	@LIBTOOL@ --mode=compile $(CC) -c -DSkip_f2c_Undefs $(ALL_CFLAGS) $<
 
-MISC =	F77_aloc.o VersionF.o main.o s_rnge.o abort_.o getarg_.o iargc_.o\
+MISC =	F77_aloc.o VersionF.o s_rnge.o abort_.o getarg_.o iargc_.o\
 	getenv_.o signal_.o s_stop.o s_paus.o system_.o cabs.o\
 	derf_.o derfc_.o erf_.o erfc_.o sig_die.o exit_.o setarg.o setsig.o
 POW =	pow_ci.o pow_dd.o pow_di.o pow_hh.o pow_ii.o  pow_ri.o pow_zi.o pow_zz.o \
@@ -80,20 +76,24 @@ F90BIT = lbitbits.o lbitshft.o qbitbits.o qbitshft.o
 OBJS = $(MISC) $(POW) $(CX) $(DCX) $(REAL) $(DBL) $(INT) \
 	 $(HALF) $(CMP) $(EFL) $(CHAR) $(F90BIT)
 
-all: ../s-libf77
+all: ../s-libf77 ../frtbegin.o
 
 ../s-libf77: $(OBJS)
 	echo timestamp > ../s-libf77
 
-archive:
-	$(AR) $(ARFLAGS) $(LIBG2C) $(OBJS)
+objlist:
+	objs="`cat ../objlist`" ; for i in $(OBJS) ; do \
+	   x=`echo $$i | sed -e "s/\.o$$/.lo/g"` ;\
+	   objs="$$objs libF77/$$x" ;\
+	done ; \
+	echo -n $$objs > ../objlist
 
 Makefile: Makefile.in config.status
 	$(SHELL) config.status
 
 config.status: configure
 	rm -f config.cache
-	CONFIG_SITE=no-such-file CC='$(CC)' AR='$(AR)' CFLAGS='$(CFLAGS)' \
+	CONFIG_SITE=no-such-file CC='$(CC)' CFLAGS='$(CFLAGS)' \
 	  CPPFLAGS='$(CPPFLAGS)' $(SHELL) config.status --recheck
 
 ${srcdir}/configure: configure.in
@@ -101,10 +101,12 @@ ${srcdir}/configure: configure.in
 	cd ${srcdir} && autoconf
 
 VersionF.o: Version.c
-	$(CC) -c $(ALL_CFLAGS) -o $@ $(srcdir)/Version.c
+	@LIBTOOL@ --mode=compile $(CC) -c $(ALL_CFLAGS) $(srcdir)/Version.c -o $@
+
+../frtbegin.o : main.c
+	$(CC) -c $(ALL_CFLAGS) $(srcdir)/main.c -o $@
 
 F77_aloc.o: F77_aloc.c
-main.o: main.c
 s_rnge.o: s_rnge.c
 abort_.o: abort_.c
 getarg_.o: getarg_.c
@@ -232,7 +234,8 @@ $(MISC) $(POW) $(CX) $(DCX) $(REAL) $(DBL) $(INT) $(HALF) $(CMP) $(EFL) \
 check install uninstall install-strip dist installcheck installdirs:
 
 mostlyclean:
-	rm -f *.o
+	rm -f *.o *.lo ../frtbegin.o
+	rm -rf .libs
 
 clean: mostlyclean
 	rm -f config.log

libf2c/libF77/configure.in

@@ -32,6 +32,9 @@ define([AC_PROG_CC_WORKS],[])
 # the makefiles
 AC_PROG_CC
 
+LIBTOOL='$(SHELL) ../libtool'
+AC_SUBST(LIBTOOL)
+
 test "$AR" || AR=ar
 AC_SUBST(AR)
 AC_PROG_MAKE_SET

libf2c/libI77/Makefile.in

@@ -31,15 +31,11 @@ VPATH = @srcdir@
 # configuration.
 DEFS = @DEFS@
 
-LIBG2C = ../libg2c.a
-
 F2C_H_DIR = @srcdir@/..
 G2C_H_DIR = ..
 CC = @CC@
 CFLAGS = @CFLAGS@
 CPPFLAGS = @CPPFLAGS@
-AR = @AR@
-ARFLAGS = rc
 @SET_MAKE@
 
 SHELL = /bin/sh
@@ -53,9 +49,9 @@ ALL_CFLAGS = -I. -I$(srcdir) -I$(G2C_H_DIR) -I$(F2C_H_DIR) $(CPPFLAGS) \
 .SUFFIXES: .c .o
 
 .c.o:
-	$(CC) -c -DSkip_f2c_Undefs -DAllow_TYQUAD $(ALL_CFLAGS) $<
+	@LIBTOOL@ --mode=compile $(CC) -c -DSkip_f2c_Undefs -DAllow_TYQUAD $(ALL_CFLAGS) $<
 
-OBJ =	VersionI.o backspace.o close.o dfe.o dolio.o due.o endfile.o err.o \
+OBJS =	VersionI.o backspace.o close.o dfe.o dolio.o due.o endfile.o err.o \
 	fmt.o fmtlib.o iio.o ilnw.o inquire.o lread.o lwrite.o open.o \
 	rdfmt.o rewind.o rsfe.o rsli.o rsne.o sfe.o sue.o typesize.o uio.o \
 	util.o wref.o wrtfmt.o wsfe.o wsle.o wsne.o xwsne.o \
@@ -63,18 +59,22 @@ OBJ =	VersionI.o backspace.o close.o dfe.o dolio.o due.o endfile.o err.o \
 
 all: ../s-libi77
 
-../s-libi77: $(OBJ)
+../s-libi77: $(OBJS)
 	echo timestamp > ../s-libi77
 
-archive:
-	$(AR) $(ARFLAGS) $(LIBG2C) $(OBJ)
+objlist:
+	objs="`cat ../objlist`" ; for i in $(OBJS) ; do \
+	   x=`echo $$i | sed -e "s/\.o$$/.lo/g"` ;\
+	   objs="$$objs libI77/$$x" ;\
+	done ; \
+	echo -n $$objs > ../objlist
 
 Makefile: Makefile.in config.status
 	$(SHELL) config.status
 
 config.status: configure
 	rm -f config.cache
-	CONFIG_SITE=no-such-file CC='$(CC)' AR='$(AR)' CFLAGS='$(CFLAGS)' \
+	CONFIG_SITE=no-such-file CC='$(CC)' CFLAGS='$(CFLAGS)' \
 	  CPPFLAGS='$(CPPFLAGS)' $(SHELL) config.status --recheck
 
 ${srcdir}/configure: configure.in
@@ -94,7 +94,7 @@ stamp-h: config.h.in config.status
 	echo timestamp > stamp-h
 
 VersionI.o: Version.c
-	$(CC) -c $(ALL_CFLAGS) -o $@ $(srcdir)/Version.c
+	@LIBTOOL@ --mode=compile $(CC) -c $(ALL_CFLAGS) $(srcdir)/Version.c -o $@
 
 backspace.o:	backspace.c fio.h config.h
 close.o:	close.c fio.h config.h
@@ -153,12 +153,13 @@ xwsne.o:	lio.h
 xwsne.o:	xwsne.c fmt.h
 
 # May be pessimistic:
-$(OBJ): $(F2C_H_DIR)/f2c.h $(G2C_H_DIR)/g2c.h
+$(OBJS): $(F2C_H_DIR)/f2c.h $(G2C_H_DIR)/g2c.h
 
 check install uninstall install-strip dist installcheck installdirs:
 
 mostlyclean:
-	rm -f *.o
+	rm -f *.o *.lo
+	rm -rf .libs
 
 clean: mostlyclean
 	rm -f config.log ../s-libi77

libf2c/libI77/configure.in

@@ -42,6 +42,9 @@ define([AC_PROG_CC_WORKS],[])
 # the makefiles
 AC_PROG_CC
 
+LIBTOOL='$(SHELL) ../libtool'
+AC_SUBST(LIBTOOL)
+
 test "$AR" || AR=ar
 AC_SUBST(AR)
 AC_PROG_MAKE_SET

libf2c/libU77/Makefile.in

@@ -30,15 +30,11 @@ VPATH = @srcdir@
 DEFS = @DEFS@
 LIBS = @LIBS@
 
-LIBG2C = ../libg2c.a
-
 F2C_H_DIR = @srcdir@/..
 G2C_H_DIR = ..
 CC = @CC@
 CFLAGS = @CFLAGS@
 CPPFLAGS = @CPPFLAGS@
-AR = @AR@
-ARFLAGS = rc
 @SET_MAKE@
 
 SHELL = /bin/sh
@@ -57,7 +53,7 @@ G77DIR = ../../../gcc/
 .SUFFIXES: .c .o
 
 .c.o:
-	$(CC) -c -DSkip_f2c_Undefs $(ALL_CFLAGS) $<
+	@LIBTOOL@ --mode=compile $(CC) -c -DSkip_f2c_Undefs $(ALL_CFLAGS) $<
 
 OBJS =  VersionU.o gerror_.o perror_.o ierrno_.o itime_.o time_.o \
 	unlink_.o fnum_.o getpid_.o getuid_.o getgid_.o kill_.o rand_.o \
@@ -85,15 +81,19 @@ all: ../s-libu77
 ../s-libu77: $(OBJS)
 	echo timestamp > ../s-libu77
 
-archive:
-	$(AR) $(ARFLAGS) $(LIBG2C) $(OBJS)
+objlist:
+	objs="`cat ../objlist`" ; for i in $(OBJS) ; do \
+	   x=`echo $$i | sed -e "s/\.o$$/.lo/g"` ;\
+	   objs="$$objs libU77/$$x" ;\
+	done ; \
+	echo -n $$objs > ../objlist
 
 Makefile: Makefile.in config.status
 	$(SHELL) config.status
 
 config.status: configure
 	rm -f config.cache
-	CONFIG_SITE=no-such-file CC='$(CC)' AR='$(AR)' CFLAGS='$(CFLAGS)' \
+	CONFIG_SITE=no-such-file CC='$(CC)' CFLAGS='$(CFLAGS)' \
 	  CPPFLAGS='$(CPPFLAGS)' $(SHELL) config.status --recheck
 
 ${srcdir}/configure: configure.in
@@ -110,7 +110,7 @@ stamp-h: config.hin config.status
 	echo timestamp > stamp-h
 
 VersionU.o: Version.c
-	$(CC) -c $(ALL_CFLAGS) -o $@ $(srcdir)/Version.c
+	@LIBTOOL@ --mode=compile $(CC) -c $(ALL_CFLAGS) $(srcdir)/Version.c -o $@
 
 $(OBJS): $(F2C_H_DIR)/f2c.h $(G2C_H_DIR)/g2c.h config.h
 access_.o: access_.c
@@ -179,7 +179,8 @@ check:
 install uninstall install-strip dist installcheck installdirs:
 
 mostlyclean:
-	rm -f *.o a.out
+	rm -f *.o *.lo a.out
+	rm -rf .libs
 
 clean: mostlyclean
 	rm -f config.log ../s-libu77

libf2c/libU77/configure.in

@@ -41,6 +41,10 @@ define([AC_PROG_CC_WORKS],[])
 # For g77 we'll set CC to point at the built gcc, but this will get it into
 # the makefiles
 AC_PROG_CC
+
+LIBTOOL='$(SHELL) ../libtool'
+AC_SUBST(LIBTOOL)
+
 dnl AC_C_CROSS
 dnl Gives misleading `(cached)' message from the check.
 if test "$CROSS";then

libf2c/libU77/date_.c

@@ -38,3 +38,18 @@ static integer c__5 = 5;
     return 0;
 } /* date_ */
 
+#ifdef PIC
+#  include <stdio.h>
+
+const char *G77_Non_Y2K_Compliance_Message =
+   "Call to non Y2K compliant subroutine detected.";
+
+int G77_date_y2kbuggy_0 (char *buf, ftnlen buf_len)
+{
+  extern int G77_abort_0();
+  fprintf (stderr, "%s\n", G77_Non_Y2K_Compliance_Message);
+  G77_abort_0();
+}
+#endif
+
+

libf2c/libU77/vxtidate_.c

@@ -54,3 +54,18 @@ int G77_vxtidate_y2kbug_0 (integer *m, integer *d, integer *y)
   *d = lt->tm_mday;
   return 0;
 }
+
+#ifdef PIC
+extern const char *G77_Non_Y2K_Compliance_Message;
+#  ifdef KR_headers
+int G77_vxtidate_y2kbuggy_0 (m, d, y)
+     integer *y, *m, *d;
+#  else
+int G77_vxtidate_y2kbuggy_0 (integer *m, integer *d, integer *y)
+#  endif
+{
+  extern int G77_abort_0();
+  fprintf (stderr, "%s\n", G77_Non_Y2K_Compliance_Message);
+  G77_abort_0();
+}
+#endif