Initial revision

7 files changed, 901 insertions, 0 deletions

diff --git a/readline/doc/manvers.texinfo b/readline/doc/manvers.texinfo
new file mode 100644
index 00000000000..63924e3801d
--- /dev/null
+++ b/readline/doc/manvers.texinfo
@@ -0,0 +1,6 @@
+@set EDITION 4.0
+@set VERSION 4.0
+@set UPDATED 31 December 1998
+@set UPDATE-MONTH December 1998
+
+@set LASTCHANGE Thu Dec 31 10:17:05 EST 1998
diff --git a/readline/examples/rlversion.c b/readline/examples/rlversion.c
new file mode 100644
index 00000000000..2d73a96c386
--- /dev/null
+++ b/readline/examples/rlversion.c
@@ -0,0 +1,21 @@
+/*
+ * rlversion -- print out readline's version number
+ */
+
+#define READLINE_LIBRARY
+
+#if defined (HAVE_CONFIG_H)
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <sys/types.h>
+#include "posixstat.h"
+
+#include "readline.h"
+
+main()
+{
+	printf ("%s\n", rl_library_version ? rl_library_version : "unknown");
+	exit (0);
+}
diff --git a/readline/rlstdc.h b/readline/rlstdc.h
new file mode 100644
index 00000000000..08b0f89aa2e
--- /dev/null
+++ b/readline/rlstdc.h
@@ -0,0 +1,79 @@
+/* stdc.h -- macros to make source compile on both ANSI C and K&R C
+   compilers. */
+
+/* Copyright (C) 1993 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 1, or (at your option)
+   any later version.
+
+   Bash is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash; see the file COPYING.  If not, write to the Free
+   Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if !defined (_RL_STDC_H_)
+#define _RL_STDC_H_
+
+/* Adapted from BSD /usr/include/sys/cdefs.h. */
+
+/* A function can be defined using prototypes and compile on both ANSI C
+   and traditional C compilers with something like this:
+	extern char *func __P((char *, char *, int)); */
+
+#if defined (__STDC__)
+
+#  if !defined (__P)
+#    define __P(protos) protos
+#  endif
+#  define __STRING(x) #x
+
+#  if !defined (__GNUC__)
+#    define inline
+#  endif
+
+#else /* !__STDC__ */
+
+#  if !defined (__P)
+#    define __P(protos) ()
+#  endif
+#  define __STRING(x) "x"
+
+#if defined (__GNUC__)		/* gcc with -traditional */
+#  if !defined (const)
+#    define const  __const
+#  endif
+#  if !defined (inline)
+#    define inline __inline
+#  endif
+#  if !defined (signed)
+#    define signed __signed
+#  endif
+#  if !defined (volatile)
+#    define volatile __volatile
+#  endif
+#else /* !__GNUC__ */
+#  if !defined (const)
+#    define const
+#  endif
+#  if !defined (inline)
+#    define inline
+#  endif
+#  if !defined (signed)
+#    define signed
+#  endif
+#  if !defined (volatile)
+#    define volatile
+#  endif
+#endif /* !__GNUC__ */
+
+#endif /* !__STDC__ */
+
+#endif /* !_RL_STDC_H_ */
diff --git a/readline/savestring.c b/readline/savestring.c
new file mode 100644
index 00000000000..3f53a87bcd1
--- /dev/null
+++ b/readline/savestring.c
@@ -0,0 +1,33 @@
+/* savestring.c  */
+
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+
+   This file is part of the GNU Readline Library, a library for
+   reading lines of text with interactive input and history editing.
+
+   The GNU Readline Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 1, or
+   (at your option) any later version.
+
+   The GNU Readline Library is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   The GNU General Public License is often shipped with GNU software, and
+   is generally kept in a file called COPYING or LICENSE.  If you do not
+   have a copy of the license, write to the Free Software Foundation,
+   675 Mass Ave, Cambridge, MA 02139, USA. */
+
+extern char *strcpy ();
+extern char *xmalloc ();
+
+/* Backwards compatibility, now that savestring has been removed from
+   all `public' readline header files. */
+char *
+savestring (s)
+     char *s;
+{
+  return ((char *)strcpy (xmalloc (1 + (int)strlen (s)), (s)));
+}
diff --git a/readline/shlib/Makefile.in b/readline/shlib/Makefile.in
new file mode 100644
index 00000000000..bff52f7d9bf
--- /dev/null
+++ b/readline/shlib/Makefile.in
@@ -0,0 +1,316 @@
+## -*- text -*- ##
+# Makefile for the GNU readline library shared library support.
+#
+# Copyright (C) 1998 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+RL_LIBRARY_VERSION = @LIBVERSION@
+RL_LIBRARY_NAME = readline
+
+srcdir = @srcdir@
+VPATH = .:@top_srcdir@
+topdir = @top_srcdir@
+BUILD_DIR = @BUILD_DIR@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+
+CC = @CC@
+RANLIB = @RANLIB@
+AR = @AR@
+ARFLAGS = @ARFLAGS@
+RM = rm -f
+CP = cp
+MV = mv
+
+SHELL = @MAKE_SHELL@
+
+host_os = @host_os@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+libdir = @libdir@
+
+CFLAGS = @CFLAGS@
+LOCAL_CFLAGS = @LOCAL_CFLAGS@ -DRL_LIBRARY_VERSION='"$(RL_LIBRARY_VERSION)"'
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@ @LOCAL_LDFLAGS@ @CFLAGS@
+
+DEFS = @DEFS@
+LOCAL_DEFS = @LOCAL_DEFS@
+
+#
+# These values are generated for configure by ${topdir}/support/shobj-conf.
+# If your system is not supported by that script, but includes facilities for
+# dynamic loading of shared objects, please update the script and send the
+# changes to bash-maintainers@gnu.org.
+#
+SHOBJ_CC = @SHOBJ_CC@
+SHOBJ_CFLAGS = @SHOBJ_CFLAGS@
+SHOBJ_LD = @SHOBJ_LD@
+
+SHOBJ_LDFLAGS = @SHOBJ_LDFLAGS@
+SHOBJ_XLDFLAGS = @SHOBJ_XLDFLAGS@
+SHOBJ_LIBS = @SHOBJ_LIBS@
+
+SHLIB_XLDFLAGS = @SHLIB_XLDFLAGS@
+SHLIB_LIBS = @SHLIB_LIBS@
+SHLIB_LIBSUFF = @SHLIB_LIBSUFF@
+
+SHLIB_LIBVERSION = @SHLIB_LIBVERSION@
+
+SHLIB_STATUS = @SHLIB_STATUS@
+
+# shared library versioning
+SHLIB_MAJOR=		4
+# shared library systems like SVR4's do not use minor versions
+SHLIB_MINOR=		.0
+
+# For libraries which include headers from other libraries.
+INCLUDES = -I. -I.. -I$(topdir) -I$(includedir)
+
+CCFLAGS = $(DEFS) $(LOCAL_DEFS) $(CPPFLAGS) $(INCLUDES) $(LOCAL_CFLAGS) $(CFLAGS)
+
+.SUFFIXES:	.so
+
+.c.so:
+	${RM} $@
+	$(SHOBJ_CC) -c $(CCFLAGS) $(SHOBJ_CFLAGS) -o $*.o $< 
+	$(MV) $*.o $@
+
+# The name of the main library target.
+
+SHARED_READLINE = libreadline.$(SHLIB_LIBVERSION)
+SHARED_HISTORY = libhistory.$(SHLIB_LIBVERSION)
+SHARED_LIBS = $(SHARED_READLINE) $(SHARED_HISTORY)
+
+# The C code source files for this library.
+CSOURCES = $(topdir)/readline.c $(topdir)/funmap.c $(topdir)/keymaps.c \
+	   $(topdir)/vi_mode.c $(topdir)/parens.c $(topdir)/rltty.c \
+	   $(topdir)/complete.c $(topdir)/bind.c $(topdir)/isearch.c \
+	   $(topdir)/display.c $(topdir)/signals.c $(topdir)/emacs_keymap.c \
+	   $(topdir)/vi_keymap.c $(topdir)/util.c $(topdir)/kill.c \
+	   $(topdir)/undo.c $(topdir)/macro.c $(topdir)/input.c \
+	   $(topdir)/callback.c $(topdir)/terminal.c $(topdir)/xmalloc.c \
+	   $(topdir)/history.c $(topdir)/histsearch.c $(topdir)/histexpand.c \
+	   $(topdir)/histfile.c $(topdir)/nls.c $(topdir)/search.c \
+	   $(topdir)/shell.c $(topdir)/savestring.c $(topdir)/tilde.c
+
+# The header files for this library.
+HSOURCES = readline.h rldefs.h chardefs.h keymaps.h history.h histlib.h \
+	   posixstat.h posixdir.h posixjmp.h tilde.h rlconf.h rltty.h \
+	   ansi_stdlib.h tcap.h
+
+SHARED_HISTOBJ = history.so histexpand.so histfile.so histsearch.so shell.so
+SHARED_TILDEOBJ = tilde.so
+SHARED_OBJ = readline.so vi_mode.so funmap.so keymaps.so parens.so search.so \
+	  rltty.so complete.so bind.so isearch.so display.so signals.so \
+	  util.so kill.so undo.so macro.so input.so callback.so terminal.so \
+	  nls.so xmalloc.so $(SHARED_HISTOBJ) $(SHARED_TILDEOBJ)
+
+##########################################################################
+
+all: $(SHLIB_STATUS)
+
+supported: $(SHARED_LIBS)
+
+unsupported:
+	@echo "Your system and compiler (${host_os}-${CC}) are not supported by the"
+	@echo "${topdir}/support/shobj-conf script."
+	@echo "If your operating system provides facilities for creating"
+	@echo "shared libraries, please update the script and re-run configure.
+	@echo "Please send the changes you made to bash-maintainers@gnu.org"
+	@echo "for inclusion in future bash and readline releases."
+
+$(SHARED_READLINE):	$(SHARED_OBJ)
+	$(RM) $@
+	$(SHOBJ_LD) ${SHOBJ_LDFLAGS} ${SHLIB_XLDFLAGS} -o $@ $(SHARED_OBJ) $(SHLIB_LIBS)
+
+$(SHARED_HISTORY):	$(SHARED_HISTOBJ) xmalloc.so
+	$(RM) $@
+	$(SHOBJ_LD) ${SHOBJ_LDFLAGS} ${SHLIB_XLDFLAGS} -o $@ $(SHARED_HISTOBJ) xmalloc.so $(SHLIB_LIBS)
+
+installdirs: $(topdir)/support/mkdirs
+	-$(SHELL) $(topdir)/support/mkdirs $(libdir)
+
+install: installdirs $(SHLIB_STATUS)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(libdir) -i "$(INSTALL_DATA)" $(SHARED_HISTORY)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(libdir) -i "$(INSTALL_DATA)" $(SHARED_READLINE)
+	@echo install: you may need to run ldconfig
+
+uninstall:
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(libdir) -U $(SHARED_HISTORY)
+	$(SHELL) $(topdir)/support/shlib-install -O $(host_os) -d $(libdir) -U $(SHARED_READLINE)
+	@echo uninstall: you may need to run ldconfig
+
+clean mostlyclean:	force
+	$(RM) $(SHARED_OBJ) $(SHARED_LIBS)
+
+distclean maintainer-clean: clean
+	$(RM) Makefile
+
+force:
+
+# Tell versions [3.59,3.63) of GNU make not to export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
+
+# Dependencies
+bind.so: $(topdir)/ansi_stdlib.h $(topdir)/posixstat.h
+bind.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+bind.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+bind.so: $(topdir)/tilde.h $(topdir)/history.h
+callback.so: $(topdir)/rlconf.h
+callback.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h
+callback.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+callback.so: $(topdir)/tilde.h
+complete.so: $(topdir)/ansi_stdlib.h posixdir.h $(topdir)/posixstat.h
+complete.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+complete.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+complete.so: $(topdir)/tilde.h
+display.so: $(topdir)/ansi_stdlib.h $(topdir)/posixstat.h
+display.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+display.so: $(topdir)/tcap.h
+display.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+display.so: $(topdir)/tilde.h $(topdir)/history.h
+funmap.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+funmap.so: $(topdir)/rlconf.h $(topdir)/ansi_stdlib.h
+funmap.so: ${BUILD_DIR}/config.h $(topdir)/tilde.h
+histexpand.so: $(topdir)/ansi_stdlib.h
+histexpand.so: $(topdir)/history.h histlib.h
+histexpand.so: ${BUILD_DIR}/config.h
+histfile.so: $(topdir)/ansi_stdlib.h
+histfile.so: $(topdir)/history.h histlib.h
+histfile.so: ${BUILD_DIR}/config.h
+history.so: $(topdir)/ansi_stdlib.h
+history.so: $(topdir)/history.h histlib.h
+history.so: ${BUILD_DIR}/config.h
+histsearch.so: $(topdir)/ansi_stdlib.h
+histsearch.so: $(topdir)/history.h histlib.h
+histsearch.so: ${BUILD_DIR}/config.h
+input.so: $(topdir)/ansi_stdlib.h
+input.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+input.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+input.so: $(topdir)/tilde.h
+isearch.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+isearch.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+isearch.so: $(topdir)/ansi_stdlib.h $(topdir)/history.h $(topdir)/tilde.h
+keymaps.so: emacs_keymap.c vi_keymap.c
+keymaps.so: $(topdir)/keymaps.h $(topdir)/chardefs.h $(topdir)/rlconf.h
+keymaps.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+keymaps.so: ${BUILD_DIR}/config.h $(topdir)/ansi_stdlib.h $(topdir)/tilde.h
+kill.so: $(topdir)/ansi_stdlib.h
+kill.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+kill.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+kill.so: $(topdir)/tilde.h $(topdir)/history.h
+macro.so: $(topdir)/ansi_stdlib.h
+macro.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+macro.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+macro.so: $(topdir)/tilde.h $(topdir)/history.h
+nls.so: $(topdir)/ansi_stdlib.h
+nls.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+parens.so: $(topdir)/rlconf.h ${BUILD_DIR}/config.h
+parens.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+parens.so: $(topdir)/tilde.h
+readline.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+readline.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+readline.so: $(topdir)/history.h $(topdir)/tilde.h
+readline.so: $(topdir)/posixstat.h $(topdir)/ansi_stdlib.h $(topdir)/posixjmp.h
+rltty.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+rltty.so: $(topdir)/rltty.h $(topdir)/tilde.h
+rltty.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+search.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+search.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+search.so: $(topdir)/ansi_stdlib.h $(topdir)/history.h $(topdir)/tilde.h
+signals.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+signals.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+signals.so: $(topdir)/history.h $(topdir)/tilde.h
+terminal.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+terminal.so: $(topdir)/tcap.h
+terminal.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+terminal.so: $(topdir)/tilde.h $(topdir)/history.h
+tilde.so: $(topdir)/ansi_stdlib.h ${BUILD_DIR}/config.h $(topdir)/tilde.h
+undo.so: $(topdir)/ansi_stdlib.h
+undo.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+undo.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+undo.so: $(topdir)/tilde.h $(topdir)/history.h
+util.so: $(topdir)/posixjmp.h $(topdir)/ansi_stdlib.h
+util.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+util.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+util.so: $(topdir)/tilde.h
+vi_mode.so: $(topdir)/rldefs.h ${BUILD_DIR}/config.h $(topdir)/rlconf.h
+vi_mode.so: $(topdir)/readline.h $(topdir)/keymaps.h $(topdir)/chardefs.h
+vi_mode.so: $(topdir)/history.h $(topdir)/ansi_stdlib.h $(topdir)/tilde.h
+xmalloc.so: ${BUILD_DIR}/config.h
+xmalloc.so: $(topdir)/ansi_stdlib.h
+
+readline.so: $(topdir)/readline.c
+vi_mode.so: $(topdir)/vi_mode.c
+funmap.so: $(topdir)/funmap.c
+keymaps.so: $(topdir)/keymaps.c
+parens.so: $(topdir)/parens.c
+search.so: $(topdir)/search.c
+rltty.so: $(topdir)/rltty.c
+complete.so: $(topdir)/complete.c
+bind.so: $(topdir)/bind.c
+isearch.so: $(topdir)/isearch.c
+display.so: $(topdir)/display.c
+signals.so: $(topdir)/signals.c
+util.so: $(topdir)/util.c
+kill.so: $(topdir)/kill.c
+undo.so: $(topdir)/undo.c
+macro.so: $(topdir)/macro.c
+input.so: $(topdir)/input.c
+callback.so: $(topdir)/callback.c
+terminal.so: $(topdir)/terminal.c
+nls.so: $(topdir)/nls.c
+xmalloc.so: $(topdir)/xmalloc.c
+history.so: $(topdir)/history.c
+histexpand.so: $(topdir)/histexpand.c
+histfile.so: $(topdir)/histfile.c
+histsearch.so: $(topdir)/histsearch.c
+savestring.so: $(topdir)/savestring.c
+shell.so: $(topdir)/shell.c
+tilde.so: $(topdir)/tilde.c
+
+readline.so: readline.c
+vi_mode.so: vi_mode.c
+funmap.so: funmap.c
+keymaps.so: keymaps.c
+parens.so: parens.c
+search.so: search.c
+rltty.so: rltty.c
+complete.so: complete.c
+bind.so: bind.c
+isearch.so: isearch.c
+display.so: display.c
+signals.so: signals.c
+util.so: util.c
+kill.so: kill.c
+undo.so: undo.c
+macro.so: macro.c
+input.so: input.c
+callback.so: callback.c
+terminal.so: terminal.c
+nls.so: nls.c
+xmalloc.so: xmalloc.c
+history.so: history.c
+histexpand.so: histexpand.c
+histfile.so: histfile.c
+histsearch.so: histsearch.c
+savestring.so: savestring.c
+shell.so: shell.c
+tilde.so: tilde.c
diff --git a/readline/support/shlib-install b/readline/support/shlib-install
new file mode 100755
index 00000000000..e43a7c0935f
--- /dev/null
+++ b/readline/support/shlib-install
@@ -0,0 +1,105 @@
+#! /bin/sh
+#
+# shlib-install - install a shared library and do any necessary host-specific
+#		  post-installation configuration (like ldconfig)
+#
+# usage: shlib-install [-D] -O host_os -d installation-dir -i install-prog [-U] library
+#
+# Chet Ramey
+# chet@po.cwru.edu
+
+#
+# defaults
+#
+INSTALLDIR=/usr/local/lib
+LDCONFIG=ldconfig
+
+PROGNAME=`basename $0`
+USAGE="$PROGNAME [-D] -O host_os -d installation-dir -i install-prog [-U] library"
+
+# process options
+
+while [ $# -gt 0 ]; do
+	case "$1" in
+	-O)	shift; host_os="$1"; shift ;;
+	-d)	shift; INSTALLDIR="$1"; shift ;;
+	-i)	shift; INSTALLPROG="$1" ; shift ;;
+	-D)	echo=echo ; shift ;;
+	-U)	uninstall=true ; shift ;;
+	-*)	echo "$USAGE" >&2 ; exit 2;;
+	*)	break ;;
+	esac
+done
+
+# set install target name
+LIBNAME="$1"
+
+if [ -z "$LIBNAME" ]; then
+	echo "$USAGE" >&2
+	exit 2
+fi
+
+OLDSUFF=old
+MV=mv
+RM="rm -f"
+LN="ln -s"
+
+# pre-install
+
+if [ -z "$uninstall" ]; then
+	${echo} $RM ${INSTALLDIR}/${LIBNAME}.${OLDSUFF}
+	if [ -f "$INSTALLDIR/$LIBNAME" ]; then
+		${echo} $MV $INSTALLDIR/$LIBNAME ${INSTALLDIR}/${LIBNAME}${OLDSUFF}
+	fi
+fi
+
+# install/uninstall
+
+if [ -z "$uninstall" ] ; then
+	${echo} eval ${INSTALLPROG} $LIBNAME ${INSTALLDIR}/${LIBNAME}
+else
+	${echo} ${RM} ${INSTALLDIR}/${LIBNAME}
+fi
+
+# post-install/uninstall
+
+case "$LIBNAME" in
+*.*.[0-9].[0-9])	# libname.so.M.N
+	LINK2=`echo $LIBNAME | sed 's:\(.*\..*\.[0-9]\)\.[0-9]:\1:'`	# libname.so.M
+	LINK1=`echo $LIBNAME | sed 's:\(.*\..*\)\.[0-9]\.[0-9]:\1:'`	# libname.so
+	;;
+*.*.[0-9])		# libname.so.M
+	LINK1=`echo $LIBNAME | sed 's:\(.*\..*\)\.[0-9]:\1:'`		# libname.so
+	;;
+esac
+
+#
+# Create symlinks to the installed library.  This section is incomplete.
+#
+case "$host_os" in
+*linux*|bsdi4*)
+	# libname.so.M -> libname.so.M.N
+	${echo} ${RM} ${INSTALLDIR}/$LINK2
+	if [ -z "$uninstall" ]; then
+		${echo} ln -s $INSTALLDIR/$LIBNAME ${INSTALLDIR}/$LINK2
+	fi
+
+	# libname.so -> libname.so.M.N
+	${echo} ${RM} ${INSTALLDIR}/$LINK1
+	if [ -z "$uninstall" ]; then
+		${echo} ln -s $INSTALLDIR/$LIBNAME ${INSTALLDIR}/$LINK1
+	fi
+	;;
+
+solaris2*|aix4.[2-9]*|hpux1*)
+	# libname.so -> libname.so.M
+	${echo} ${RM} ${INSTALLDIR}/$LINK1
+	if [ -z "$uninstall" ]; then
+		${echo} ln -s $INSTALLDIR/$LIBNAME ${INSTALLDIR}/$LINK1
+	fi
+	;;
+
+*)	;;
+esac
+
+exit 0
diff --git a/readline/support/shobj-conf b/readline/support/shobj-conf
new file mode 100755
index 00000000000..cbd3d1b46c6
--- /dev/null
+++ b/readline/support/shobj-conf
@@ -0,0 +1,341 @@
+#! /bin/sh
+#
+# shobj-conf -- output a series of variable assignments to be substituted
+#		into a Makefile by configure which specify system-dependent
+#		information for creating shared objects that may be loaded
+#		into bash with `enable -f'
+#
+# usage: shobj-conf [-C compiler] -c host_cpu -o host_os -v host_vendor
+#
+# Chet Ramey
+# chet@po.cwru.edu
+
+#
+# defaults
+#
+SHOBJ_STATUS=supported
+SHLIB_STATUS=supported
+
+SHOBJ_CC=cc
+SHOBJ_CFLAGS=
+SHOBJ_LD=
+SHOBJ_LDFLAGS=
+SHOBJ_XLDFLAGS=
+SHOBJ_LIBS=
+
+SHLIB_XLDFLAGS=
+SHLIB_LIBS=
+SHLIB_LIBSUFF='so'
+
+SHLIB_LIBVERSION='$(SHLIB_LIBSUFF)'
+
+PROGNAME=`basename $0`
+USAGE="$PROGNAME [-C compiler] -c host_cpu -o host_os -v host_vendor"
+
+while [ $# -gt 0 ]; do
+	case "$1" in
+	-C)	shift; SHOBJ_CC="$1"; shift ;;
+	-c)	shift; host_cpu="$1"; shift ;;
+	-o)	shift; host_os="$1"; shift ;;
+	-v)	shift; host_vendor="$1"; shift ;;
+	*)	echo "$USAGE" >&2 ; exit 2;;
+	esac
+done
+
+case "${host_os}-${SHOBJ_CC}" in
+sunos4*-gcc*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD=/usr/bin/ld
+	SHOBJ_LDFLAGS='-assert pure-text'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+sunos4*)
+	SHOBJ_CFLAGS=-pic
+	SHOBJ_LD=/usr/bin/ld
+	SHOBJ_LDFLAGS='-assert pure-text'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+sunos5*-gcc*|solaris2*-gcc*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-i'
+
+	SHLIB_XLDFLAGS='-R $(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sunos5*|solaris2*)
+	SHOBJ_CFLAGS='-K pic'
+	SHOBJ_LD=/usr/ccs/bin/ld
+	SHOBJ_LDFLAGS='-G -dy -z text -i -h $@'
+
+	SHLIB_XLDFLAGS='-R $(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+freebsd2* | netbsd* | openbsd*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-x -Bshareable'
+
+	SHLIB_XLDFLAGS='-R$(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+freebsd3*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared'
+
+	SHLIB_XLDFLAGS='-R$(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+linux*)
+	SHOBJ_CFLAGS=-fPIC
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
+
+	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+bsdi2*)
+	SHOBJ_CC=shlicc2
+	SHOBJ_CFLAGS=
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS=-r
+	SHOBJ_LIBS=-lc_s.2.1.0
+
+	# BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
+	# the ass -- they require changing {/usr/lib,etc}/shlib.map on
+	# each system, and the library creation process is byzantine
+	SHLIB_STATUS=unsupported
+	;;
+
+bsdi3*)
+	SHOBJ_CC=shlicc2
+	SHOBJ_CFLAGS=
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS=-r
+	SHOBJ_LIBS=-lc_s.3.0.0
+
+	# BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
+	# the ass -- they require changing {/usr/lib,etc}/shlib.map on
+	# each system, and the library creation process is byzantine
+	SHLIB_STATUS=unsupported
+	;;
+
+bsdi4*)
+	# BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked
+	# shared libraries.  gcc 2.x is the standard compiler, and the
+	# `normal' gcc options should work as they do in Linux.
+
+	SHOBJ_CFLAGS=-fPIC
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
+	;;
+
+osf*)
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'
+
+	SHLIB_XLDFLAGS='-rpath $(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+aix4.[2-9]*-gcc*)		# lightly tested by jik@cisco.com
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD='ld'
+	SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
+	SHOBJ_XLDFLAGS='-G'
+
+	SHLIB_XLDFLAGS='-bM:SRE'
+	SHLIB_LIBS='-lcurses -lc'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+aix4.[2-9]*)
+	SHOBJ_CFLAGS=-K
+	SHOBJ_LD='ld'
+	SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
+	SHOBJ_XLDFLAGS='-G'
+
+	SHLIB_XLDFLAGS='-bM:SRE'
+	SHLIB_LIBS='-lcurses -lc'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+#
+# THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface
+#
+irix[56]*-gcc*)
+	SHOBJ_CFLAGS='-fpic'
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
+
+	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+irix[56]*)
+	SHOBJ_CFLAGS='-K PIC'
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'
+
+	SHLIB_XLDFLAGS='-rpath $(libdir)'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+hpux9*-gcc*)
+	# must use gcc; the bundled cc cannot compile PIC code
+	SHOBJ_CFLAGS='-fpic'
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
+
+	SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
+	SHLIB_LIBSUFF='sl'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+hpux9*)
+	SHOBJ_STATUS=unsupported
+	SHLIB_STATUS=unsupported
+	;;
+
+hpux10*-gcc*)
+	# must use gcc; the bundled cc cannot compile PIC code
+	SHOBJ_CFLAGS='-fpic'
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
+
+	SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'
+	SHLIB_LIBSUFF='sl'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+hpux10*)
+	SHOBJ_STATUS=unsupported
+	SHLIB_STATUS=unsupported
+	;;
+
+hpux11*-gcc*)
+	# must use gcc; the bundled cc cannot compile PIC code
+	SHOBJ_CFLAGS='-fpic'
+	SHOBJ_LD='${CC}'
+#	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'
+	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s -Wl,+h,$@'
+
+	SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
+	SHLIB_LIBSUFF='sl'
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+hpux11*)
+	SHOBJ_STATUS=unsupported
+	SHLIB_STATUS=unsupported
+	;;
+
+sysv4*-gcc*)
+	SHOBJ_CFLAGS=-shared
+	SHOBJ_LDFLAGS='-shared -h $@'
+	SHOBJ_LD='${CC}'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sysv4*)
+	SHOBJ_CFLAGS='-K PIC'
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-dy -z text -G -h $@'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sco3.2v5*-gcc*)
+	SHOBJ_CFLAGS='-fpic'		# DEFAULTS TO ELF
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sco3.2v5*)
+	SHOBJ_CFLAGS='-K pic -b elf'
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sysv5uw7*-gcc*)
+	SHOBJ_CFLAGS='-fpic'
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+sysv5uw7*)
+	SHOBJ_CFLAGS='-K PIC'
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-G -dy -z text -h $@'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+	
+dgux*-gcc*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+dgux*)
+	SHOBJ_CFLAGS='-K pic'
+	SHOBJ_LD=ld
+	SHOBJ_LDFLAGS='-G -dy -h $@'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+#
+# Rely on correct gcc configuration for everything else
+#
+*-gcc*)
+	SHOBJ_CFLAGS=-fpic
+	SHOBJ_LD='${CC}'
+	SHOBJ_LDFLAGS='-shared'
+
+	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
+	;;
+
+*)
+	SHOBJ_STATUS=unsupported
+	SHLIB_STATUS=unsupported
+	;;
+
+esac
+
+echo SHOBJ_CC=\'"$SHOBJ_CC"\'
+echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'
+echo SHOBJ_LD=\'"$SHOBJ_LD"\'
+echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'
+echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'
+echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'
+
+echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'
+echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'
+echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'
+echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'
+
+echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'
+echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'
+
+exit 0