new file mode 100644
--- /dev/null
+++ b/m4/ccstdc.m4
@@ -0,0 +1,61 @@
+## ----------------------------------------- ##
+## ANSIfy the C compiler whenever possible.  ##
+## From Franc,ois Pinard                     ##
+## ----------------------------------------- ##
+
+# serial 1
+
+# @defmac AC_PROG_CC_STDC
+# @maindex PROG_CC_STDC
+# @ovindex CC
+# If the C compiler in not in ANSI C mode by default, try to add an option
+# to output variable @code{CC} to make it so.  This macro tries various
+# options that select ANSI C on some system or another.  It considers the
+# compiler to be in ANSI C mode if it defines @code{__STDC__} to 1 and
+# handles function prototypes correctly.
+#
+# If you use this macro, you should check after calling it whether the C
+# compiler has been set to accept ANSI C; if not, the shell variable
+# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
+# code in ANSI C, you can make an un-ANSIfied copy of it by using the
+# program @code{ansi2knr}, which comes with Ghostscript.
+# @end defmac
+
+AC_DEFUN(AM_PROG_CC_STDC,
+[AC_REQUIRE([AC_PROG_CC])
+AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
+AC_CACHE_VAL(am_cv_prog_cc_stdc,
+[am_cv_prog_cc_stdc=no
+ac_save_CC="$CC"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX			-qlanglvl=ansi
+# Ultrix and OSF/1	-std1
+# HP-UX			-Aa -D_HPUX_SOURCE
+# SVR4			-Xc -D__EXTENSIONS__
+for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+  CC="$ac_save_CC $ac_arg"
+  AC_TRY_COMPILE(
+[#if !defined(__STDC__) || __STDC__ != 1
+choke me
+#endif
+/* DYNIX/ptx V4.1.3 can't compile sys/stat.h with -Xc -D__EXTENSIONS__. */
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/stat.h>
+#endif
+], [
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};],
+[am_cv_prog_cc_stdc="$ac_arg"; break])
+done
+CC="$ac_save_CC"
+])
+AC_MSG_RESULT($am_cv_prog_cc_stdc)
+case "x$am_cv_prog_cc_stdc" in
+  x|xno) ;;
+  *) CC="$CC $am_cv_prog_cc_stdc" ;;
+esac
+])

new file mode 100644
--- /dev/null
+++ b/m4/dmalloc.m4
@@ -0,0 +1,21 @@
+## ----------------------------------- ##
+## Check if --with-dmalloc was given.  ##
+## From Franc,ois Pinard               ##
+## ----------------------------------- ##
+
+# serial 1
+
+AC_DEFUN(AM_WITH_DMALLOC,
+[AC_MSG_CHECKING(if malloc debugging is wanted)
+AC_ARG_WITH(dmalloc,
+[  --with-dmalloc          use dmalloc, as in
+                          ftp://ftp.letters.com/src/dmalloc/dmalloc.tar.gz],
+[if test "$withval" = yes; then
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(WITH_DMALLOC)
+  LIBS="$LIBS -ldmalloc"
+  LDFLAGS="$LDFLAGS -g"
+else
+  AC_MSG_RESULT(no)
+fi], [AC_MSG_RESULT(no)])
+])

new file mode 100644
--- /dev/null
+++ b/m4/error.m4
@@ -0,0 +1,13 @@
+dnl From Jim Meyering.  Use this if you use the GNU error.[ch].
+dnl FIXME: Migrate into libit
+
+AC_DEFUN(AM_FUNC_ERROR_AT_LINE,
+[AC_CACHE_CHECK([for error_at_line], am_cv_lib_error_at_line,
+ [AC_TRY_LINK([],[error_at_line(0, 0, "", 0, "");],
+              am_cv_lib_error_at_line=yes,
+	      am_cv_lib_error_at_line=no)])
+ if test $am_cv_lib_error_at_line = no; then
+   LIBOBJS="$LIBOBJS error.o"
+ fi
+ AC_SUBST(LIBOBJS)dnl
+])

new file mode 100644
--- /dev/null
+++ b/m4/gettext.m4
@@ -0,0 +1,287 @@
+# Macro to add for using GNU gettext.
+# Ulrich Drepper <drepper@cygnus.com>, 1995.
+
+# serial 1
+
+AC_DEFUN(AM_WITH_NLS,
+  [AC_MSG_CHECKING([whether NLS is requested])
+    dnl Default is enabled NLS
+    AC_ARG_ENABLE(nls,
+      [  --disable-nls           do not use Native Language Support],
+      USE_NLS=$enableval, USE_NLS=yes)
+    AC_MSG_RESULT($USE_NLS)
+    AC_SUBST(USE_NLS)
+
+    USE_INCLUDED_LIBINTL=no
+
+    dnl If we use NLS figure out what method
+    if test "$USE_NLS" = "yes"; then
+      AC_DEFINE(ENABLE_NLS)
+      AC_MSG_CHECKING([whether included gettext is requested])
+      AC_ARG_WITH(included-gettext,
+        [  --with-included-gettext use the GNU gettext library included here],
+        nls_cv_force_use_gnu_gettext=$withval,
+        nls_cv_force_use_gnu_gettext=no)
+      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
+
+      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
+      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
+        dnl User does not insist on using GNU NLS library.  Figure out what
+        dnl to use.  If gettext or catgets are available (in this order) we
+        dnl use this.  Else we have to fall back to GNU NLS library.
+	dnl catgets is only used if permitted by option --with-catgets.
+	nls_cv_header_intl=
+	nls_cv_header_libgt=
+	CATOBJEXT=NONE
+
+	AC_CHECK_HEADER(libintl.h,
+	  [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc,
+	    [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")],
+	       gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)])
+
+	   if test "$gt_cv_func_gettext_libc" != "yes"; then
+	     AC_CHECK_LIB(intl, bindtextdomain,
+	       [AC_CACHE_CHECK([for gettext in libintl],
+		 gt_cv_func_gettext_libintl,
+		 [AC_TRY_LINK([], [return (int) gettext ("")],
+		 gt_cv_func_gettext_libintl=yes,
+		 gt_cv_func_gettext_libintl=no)])])
+	   fi
+
+	   if test "$gt_cv_func_gettext_libc" = "yes" \
+	      || test "$gt_cv_func_gettext_libintl" = "yes"; then
+	      AC_DEFINE(HAVE_GETTEXT)
+	      AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
+		[test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
+	      if test "$MSGFMT" != "no"; then
+		AC_CHECK_FUNCS(dcgettext)
+		AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
+		AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
+		  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+		AC_TRY_LINK(, [extern int _nl_msg_cat_cntr;
+			       return _nl_msg_cat_cntr],
+		  [CATOBJEXT=.gmo
+		   DATADIRNAME=share],
+		  [CATOBJEXT=.mo
+		   DATADIRNAME=lib])
+		INSTOBJEXT=.mo
+	      fi
+	    fi
+	])
+
+        if test "$CATOBJEXT" = "NONE"; then
+	  AC_MSG_CHECKING([whether catgets can be used])
+	  AC_ARG_WITH(catgets,
+	    [  --with-catgets          use catgets functions if available],
+	    nls_cv_use_catgets=$withval, nls_cv_use_catgets=no)
+	  AC_MSG_RESULT($nls_cv_use_catgets)
+
+	  if test "$nls_cv_use_catgets" = "yes"; then
+	    dnl No gettext in C library.  Try catgets next.
+	    AC_CHECK_LIB(i, main)
+	    AC_CHECK_FUNC(catgets,
+	      [AC_DEFINE(HAVE_CATGETS)
+	       INTLOBJS="\$(CATOBJS)"
+	       AC_PATH_PROG(GENCAT, gencat, no)dnl
+	       if test "$GENCAT" != "no"; then
+		 AC_PATH_PROG(GMSGFMT, gmsgfmt, no)
+		 if test "$GMSGFMT" = "no"; then
+		   AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt,
+		    [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)
+		 fi
+		 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
+		   [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+		 USE_INCLUDED_LIBINTL=yes
+		 CATOBJEXT=.cat
+		 INSTOBJEXT=.cat
+		 DATADIRNAME=lib
+		 INTLDEPS="../intl/libintl.a"
+		 INTLLIBS=$INTLDEPS
+		 LIBS=`echo $LIBS | sed -e 's/-lintl//'`
+		 nls_cv_header_intl=intl/libintl.h
+		 nls_cv_header_libgt=intl/libgettext.h
+	       fi])
+	  fi
+        fi
+
+        if test "$CATOBJEXT" = "NONE"; then
+	  dnl Neither gettext nor catgets in included in the C library.
+	  dnl Fall back on GNU gettext library.
+	  nls_cv_use_gnu_gettext=yes
+        fi
+      fi
+
+      if test "$nls_cv_use_gnu_gettext" = "yes"; then
+        dnl Mark actions used to generate GNU NLS library.
+        INTLOBJS="\$(GETTOBJS)"
+        AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
+	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
+        AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
+        AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
+	  [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
+        AC_SUBST(MSGFMT)
+	USE_INCLUDED_LIBINTL=yes
+        CATOBJEXT=.gmo
+        INSTOBJEXT=.mo
+        DATADIRNAME=share
+	INTLDEPS="../intl/libintl.a"
+	INTLLIBS=$INTLDEPS
+	LIBS=`echo $LIBS | sed -e 's/-lintl//'`
+        nls_cv_header_intl=intl/libintl.h
+        nls_cv_header_libgt=intl/libgettext.h
+      fi
+
+      dnl Test whether we really found GNU xgettext.
+      if test "$XGETTEXT" != ":"; then
+	dnl If it is no GNU xgettext we define it as : so that the
+	dnl Makefiles still can work.
+	if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
+	  : ;
+	else
+	  AC_MSG_RESULT(
+	    [found xgettext programs is not GNU xgettext; ignore it])
+	  XGETTEXT=":"
+	fi
+      fi
+
+      # We need to process the po/ directory.
+      POSUB=po
+    else
+      DATADIRNAME=share
+      nls_cv_header_intl=intl/libintl.h
+      nls_cv_header_libgt=intl/libgettext.h
+    fi
+
+    # If this is used in GNU gettext we have to set USE_NLS to `yes'
+    # because some of the sources are only built for this goal.
+    if test "$PACKAGE" = gettext; then
+      USE_NLS=yes
+      USE_INCLUDED_LIBINTL=yes
+    fi
+
+    dnl These rules are solely for the distribution goal.  While doing this
+    dnl we only have to keep exactly one list of the available catalogs
+    dnl in configure.in.
+    for lang in $ALL_LINGUAS; do
+      GMOFILES="$GMOFILES $lang.gmo"
+      POFILES="$POFILES $lang.po"
+    done
+
+    dnl Make all variables we use known to autoconf.
+    AC_SUBST(USE_INCLUDED_LIBINTL)
+    AC_SUBST(CATALOGS)
+    AC_SUBST(CATOBJEXT)
+    AC_SUBST(DATADIRNAME)
+    AC_SUBST(GMOFILES)
+    AC_SUBST(INSTOBJEXT)
+    AC_SUBST(INTLDEPS)
+    AC_SUBST(INTLLIBS)
+    AC_SUBST(INTLOBJS)
+    AC_SUBST(POFILES)
+    AC_SUBST(POSUB)
+  ])
+
+AC_DEFUN(AM_GNU_GETTEXT,
+  [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+   AC_REQUIRE([AC_PROG_CC])dnl
+   AC_REQUIRE([AC_ISC_POSIX])dnl
+   AC_REQUIRE([AC_PROG_RANLIB])dnl
+   AC_REQUIRE([AC_HEADER_STDC])dnl
+   AC_REQUIRE([AC_C_CONST])dnl
+   AC_REQUIRE([AC_C_INLINE])dnl
+   AC_REQUIRE([AC_TYPE_OFF_T])dnl
+   AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+   AC_REQUIRE([AC_FUNC_ALLOCA])dnl
+   AC_REQUIRE([AC_FUNC_MMAP])dnl
+
+   AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \
+unistd.h values.h])
+   AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \
+__argz_count __argz_stringify __argz_next])
+
+   if test "${ac_cv_func_stpcpy+set}" != "set"; then
+     AC_CHECK_FUNCS(stpcpy)
+   fi
+   if test "${ac_cv_func_stpcpy}" = "yes"; then
+     AC_DEFINE(HAVE_STPCPY)
+   fi
+
+   AM_LC_MESSAGES
+   AM_WITH_NLS
+
+   if test "x$CATOBJEXT" != "x"; then
+     if test "x$ALL_LINGUAS" = "x"; then
+       LINGUAS=
+     else
+       AC_MSG_CHECKING(for catalogs to be installed)
+       NEW_LINGUAS=
+       for lang in ${LINGUAS=$ALL_LINGUAS}; do
+         case "$ALL_LINGUAS" in
+          *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;;
+         esac
+       done
+       LINGUAS=$NEW_LINGUAS
+       AC_MSG_RESULT($LINGUAS)
+     fi
+
+     dnl Construct list of names of catalog files to be constructed.
+     if test -n "$LINGUAS"; then
+       for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
+     fi
+   fi
+
+   dnl Determine which catalog format we have (if any is needed)
+   dnl For now we know about two different formats:
+   dnl   Linux libc-5 and the normal X/Open format
+   test -d intl || mkdir intl
+   if test "$CATOBJEXT" = ".cat"; then
+     AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen)
+
+     dnl Transform the SED scripts while copying because some dumb SEDs
+     dnl cannot handle comments.
+     sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed
+   fi
+   dnl po2tbl.sed is always needed.
+   sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \
+     $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed
+
+   dnl In the intl/Makefile.in we have a special dependency which makes
+   dnl only sense for gettext.  We comment this out for non-gettext
+   dnl packages.
+   if test "$PACKAGE" = "gettext"; then
+     GT_NO="#NO#"
+     GT_YES=
+   else
+     GT_NO=
+     GT_YES="#YES#"
+   fi
+   AC_SUBST(GT_NO)
+   AC_SUBST(GT_YES)
+
+   dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
+   dnl find the mkinstalldirs script in another subdir but ($top_srcdir).
+   dnl Try to locate is.
+   MKINSTALLDIRS=
+   if test $ac_aux_dir; then
+     MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
+   fi
+   if test -z $MKINSTALLDIRS; then
+     MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
+   fi
+   AC_SUBST(MKINSTALLDIRS)
+
+   dnl Generate list of files to be processed by xgettext which will
+   dnl be included in po/Makefile.
+   test -d po || mkdir po
+   if test "x$srcdir" != "x."; then
+     if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
+       posrcprefix="$srcdir/"
+     else
+       posrcprefix="../$srcdir/"
+     fi
+   else
+     posrcprefix="../"
+   fi
+   sed -e "/^#/d" -e "/^\$/d" -e "s,.*,	$posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
+	< $srcdir/po/POTFILES.in > po/POTFILES
+  ])

new file mode 100644
--- /dev/null
+++ b/m4/header.m4
@@ -0,0 +1,12 @@
+# Like AC_CONFIG_HEADER, but automatically create stamp file.
+
+AC_DEFUN(AM_CONFIG_HEADER,
+[AC_PREREQ([2.12])
+AC_CONFIG_HEADER([$1])
+dnl When config.status generates a header, we must update the stamp-h file.
+dnl This file resides in the same directory as the config header
+dnl that is generated.  We must strip everything past the first ":",
+dnl and everything past the last "/".
+AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
+test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl
+changequote([,]))])

new file mode 100644
--- /dev/null
+++ b/m4/init.m4
@@ -0,0 +1,20 @@
+# Do all the work for Automake.  This macro actually does too much --
+# some checks are only needed if your package does certain things.
+# But this isn't really a big deal.
+
+# serial 1
+
+dnl Usage:
+dnl AM_INIT_AUTOMAKE(package,version)
+
+AC_DEFUN(AM_INIT_AUTOMAKE,
+[AC_REQUIRE([AM_PROG_INSTALL])
+PACKAGE=[$1]
+AC_SUBST(PACKAGE)
+AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
+VERSION=[$2]
+AC_SUBST(VERSION)
+AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
+AM_SANITY_CHECK
+AC_ARG_PROGRAM
+AC_PROG_MAKE_SET])

new file mode 100644
--- /dev/null
+++ b/m4/install.m4
@@ -0,0 +1,13 @@
+## --------------------------------------------------------- ##
+## Use AC_PROG_INSTALL, supplementing it with INSTALL_SCRIPT ##
+## substitution.                                             ##
+## From Franc,ois Pinard                                     ##
+## --------------------------------------------------------- ##
+
+# serial 1
+
+AC_DEFUN(AM_PROG_INSTALL,
+[AC_REQUIRE([AC_PROG_INSTALL])
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
+AC_SUBST(INSTALL_SCRIPT)dnl
+])

new file mode 100644
--- /dev/null
+++ b/m4/lcmessage.m4
@@ -0,0 +1,14 @@
+# Check whether LC_MESSAGES is available in <locale.h>.
+# Ulrich Drepper <drepper@cygnus.com>, 1995.
+
+# serial 1
+
+AC_DEFUN(AM_LC_MESSAGES,
+  [if test $ac_cv_header_locale_h = yes; then
+    AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
+      [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
+       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
+    if test $am_cv_val_LC_MESSAGES = yes; then
+      AC_DEFINE(HAVE_LC_MESSAGES)
+    fi
+  fi])

new file mode 100644
--- /dev/null
+++ b/m4/lispdir.m4
@@ -0,0 +1,38 @@
+## ------------------------
+## Emacs LISP file handling
+## From Ulrich Drepper
+## ------------------------
+
+# serial 1
+
+AC_DEFUN(AM_PATH_LISPDIR,
+ [# If set to t, that means we are running in a shell under Emacs.
+  # If you have an Emacs named "t", then use the full path.
+  test "$EMACS" = t && EMACS=
+  AC_PATH_PROG(EMACS, emacs xemacs, no)
+  if test $EMACS != "no"; then
+    AC_MSG_CHECKING([where .elc files should go])
+    dnl Set default value
+    lispdir="\$(datadir)/emacs/site-lisp"
+    if test "x$prefix" = "xNONE"; then
+      if test -d $ac_default_prefix/share/emacs/site-lisp; then
+	lispdir="\$(prefix)/share/emacs/site-lisp"
+      else
+	if test -d $ac_default_prefix/lib/emacs/site-lisp; then
+	  lispdir="\$(prefix)/lib/emacs/site-lisp"
+	fi
+      fi
+    else
+      if test -d $prefix/share/emacs/site-lisp; then
+	lispdir="\$(prefix)/share/emacs/site-lisp"
+      else
+	if test -d $prefix/lib/emacs/site-lisp; then
+	  lispdir="\$(prefix)/lib/emacs/site-lisp"
+	fi
+      fi
+    fi
+    AC_MSG_RESULT($lispdir)
+    ELCFILES="\$(ELCFILES)"
+  fi
+  AC_SUBST(lispdir)
+  AC_SUBST(ELCFILES)])

new file mode 100644
--- /dev/null
+++ b/m4/maintainer.m4
@@ -0,0 +1,22 @@
+# Add --enable-maintainer-mode option to configure.
+# From Jim Meyering
+
+# serial 1
+
+AC_DEFUN(AM_MAINTAINER_MODE,
+[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+  dnl maintainer-mode is disabled by default
+  AC_ARG_ENABLE(maintainer-mode,
+[  --enable-maintainer-mode enable make rules and dependencies not useful
+                          (and sometimes confusing) to the casual installer],
+      USE_MAINTAINER_MODE=$enableval,
+      USE_MAINTAINER_MODE=no)
+  AC_MSG_RESULT($USE_MAINTAINER_MODE)
+  if test $USE_MAINTAINER_MODE = yes; then
+    MAINT=
+  else
+    MAINT='#M#'
+  fi
+  AC_SUBST(MAINT)dnl
+]
+)

new file mode 100644
--- /dev/null
+++ b/m4/mktime.m4
@@ -0,0 +1,34 @@
+dnl From Jim Meyering.
+dnl FIXME: this should migrate into libit.
+
+AC_DEFUN(AM_FUNC_MKTIME,
+[AC_REQUIRE([AC_HEADER_TIME])dnl
+ AC_CHECK_HEADERS(sys/time.h)
+ AC_CACHE_CHECK([for working mktime], am_cv_func_working_mktime,
+  [AC_TRY_RUN([/* Test program from Tony Leneis (tony@plaza.ds.adp.com).  */
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+int
+main ()
+{
+  time_t today = time (0);
+  struct tm *local = localtime (&today);
+  exit (mktime (local) != today);
+}
+	      ],
+	     am_cv_func_working_mktime=yes, am_cv_func_working_mktime=no,
+	     dnl When crosscompiling, assume mktime is missing or broken.
+	     am_cv_func_working_mktime=no)
+  ])
+  if test $am_cv_func_working_mktime = no; then
+    LIBOBJS="$LIBOBJS mktime.o"
+  fi
+])

new file mode 100644
--- /dev/null
+++ b/m4/obstack.m4
@@ -0,0 +1,15 @@
+dnl From Jim Meyering.
+dnl FIXME: migrate into libit.
+
+AC_DEFUN(AM_FUNC_OBSTACK,
+[AC_CACHE_CHECK([for obstacks], am_cv_func_obstack,
+ [AC_TRY_LINK([#include "obstack.h"],
+	      [struct obstack *mem;obstack_free(mem,(char *) 0)],
+	      am_cv_func_obstack=yes,
+	      am_cv_func_obstack=no)])
+ if test $am_cv_func_obstack = yes; then
+   AC_DEFINE(HAVE_OBSTACK)
+ else
+   LIBOBJS="$LIBOBJS obstack.o"
+ fi
+])

new file mode 100644
--- /dev/null
+++ b/m4/progtest.m4
@@ -0,0 +1,42 @@
+# Search path for a program which passes the given test.
+# Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+# serial 1
+
+dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
+dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
+AC_DEFUN(AM_PATH_PROG_WITH_TEST,
+[# Extract the first word of "$2", so it can be a program name with args.
+set dummy $2; ac_word=[$]2
+AC_MSG_CHECKING([for $ac_word])
+AC_CACHE_VAL(ac_cv_path_$1,
+[case "[$]$1" in
+  /*)
+  ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in ifelse([$5], , $PATH, [$5]); do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if [$3]; then
+	ac_cv_path_$1="$ac_dir/$ac_word"
+	break
+      fi
+    fi
+  done
+  IFS="$ac_save_ifs"
+dnl If no 4th arg is given, leave the cache variable unset,
+dnl so AC_PATH_PROGS will keep looking.
+ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
+])dnl
+  ;;
+esac])dnl
+$1="$ac_cv_path_$1"
+if test -n "[$]$1"; then
+  AC_MSG_RESULT([$]$1)
+else
+  AC_MSG_RESULT(no)
+fi
+AC_SUBST($1)dnl
+])

new file mode 100644
--- /dev/null
+++ b/m4/protos.m4
@@ -0,0 +1,25 @@
+## ------------------------------- ##
+## Check for function prototypes.  ##
+## From Franc,ois Pinard           ##
+## ------------------------------- ##
+
+# serial 1
+
+AC_DEFUN(AM_C_PROTOTYPES,
+[AC_REQUIRE([AM_PROG_CC_STDC])
+AC_BEFORE([$0], [AC_C_INLINE])
+AC_MSG_CHECKING([for function prototypes])
+if test "$am_cv_prog_cc_stdc" != no; then
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(PROTOTYPES)
+  U= ANSI2KNR=
+else
+  AC_MSG_RESULT(no)
+  U=_ ANSI2KNR=./ansi2knr
+  # Ensure some checks needed by ansi2knr itself.
+  AC_HEADER_STDC
+  AC_CHECK_HEADERS(string.h)
+fi
+AC_SUBST(U)dnl
+AC_SUBST(ANSI2KNR)dnl
+])

new file mode 100644
--- /dev/null
+++ b/m4/ptrdiff.m4
@@ -0,0 +1,12 @@
+# From Ulrich Drepper.
+
+# serial 1
+
+AC_DEFUN(AM_TYPE_PTRDIFF_T,
+  [AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t,
+     [AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p],
+		     am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)])
+   if test $am_cv_type_ptrdiff_t = yes; then
+     AC_DEFINE(HAVE_PTRDIFF_T)
+   fi
+])

new file mode 100644
--- /dev/null
+++ b/m4/regex.m4
@@ -0,0 +1,37 @@
+## --------------------------------- ##
+## Check if --with-regex was given.  ##
+## --------------------------------- ##
+
+# serial 1
+
+# The idea is to distribute rx.[hc] and regex.[hc] together, for a while.
+# The WITH_REGEX symbol (which should also be documented in acconfig.h)
+# is used to decide which of regex.h or rx.h should be included in the
+# application.  If `./configure --with-regex' is given (the default), the
+# package will use gawk's regex.  If `./configure --without-regex', a
+# check is made to see if rx is already installed, as with newer Linux'es.
+# If not found, the package will use the rx from the distribution.
+# If found, the package will use the system's rx which, on Linux at least,
+# will result in a smaller executable file.
+
+AC_DEFUN(AM_WITH_REGEX,
+[AC_MSG_CHECKING(which of GNU rx or gawk's regex is wanted)
+AC_ARG_WITH(regex,
+[  --without-regex         use GNU rx in lieu of gawk's regex for matching],
+[test "$withval" = yes && am_with_regex=1],
+[am_with_regex=1])
+if test -n "$am_with_regex"; then
+  AC_MSG_RESULT(regex)
+  AC_DEFINE(WITH_REGEX)
+  AC_CACHE_CHECK([for GNU regex in libc], am_cv_gnu_regex,
+    AC_TRY_LINK([], [extern int re_max_failures; re_max_failures = 1],
+		am_cv_gnu_regex=yes, am_cv_gnu_regex=no))
+  if test $am_cv_gnu_regex = no; then
+    LIBOBJS="$LIBOBJS regex.o"
+  fi
+else
+  AC_MSG_RESULT(rx)
+  AC_CHECK_FUNC(re_rx_search, , [LIBOBJS="$LIBOBJS rx.o"])
+fi
+AC_SUBST(LIBOBJS)dnl
+])

new file mode 100644
--- /dev/null
+++ b/m4/sanity.m4
@@ -0,0 +1,19 @@
+#
+# Check to make sure that the build environment is sane.
+#
+
+AC_DEFUN(AM_SANITY_CHECK,
+[AC_MSG_CHECKING([whether build environment is sane])
+echo timestamp > conftestfile
+# Do this in a subshell so we don't clobber the current shell's
+# arguments.  FIXME: maybe try `-L' hack like GETLOADAVG test?
+if (set X `ls -t $srcdir/configure conftestfile`; test "[$]2" = conftestfile)
+then
+   # Ok.
+   :
+else
+   AC_MSG_ERROR([newly created file is older than distributed files!
+Check your system clock])
+fi
+rm -f conftest*
+AC_MSG_RESULT(yes)])

new file mode 100644
--- /dev/null
+++ b/m4/strtod.m4
@@ -0,0 +1,69 @@
+## Copyright (C) 1996 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., 59 Temple Place - Suite 330, Boston, MA
+## 02111-1307, USA.
+
+## From Jim Meyering.
+
+## serial 1
+
+## @defmac AC_FUNC_STRTOD
+## @maindex FUNC_STRTOD
+## @ovindex LIBOBJS
+## If the @code{strtod} function is not available, or does not work
+## correctly (like the one on SunOS 5.4), add @samp{strtod.o} to output
+## variable @code{LIBOBJS}.
+## @end defmac
+
+AC_DEFUN(AM_FUNC_STRTOD,
+[AC_CACHE_CHECK(for working strtod, am_cv_func_strtod,
+[AC_TRY_RUN([
+double strtod ();
+int
+main()
+{
+  {
+    /* Some versions of Linux strtod mis-parse strings with leading '+'.  */
+    char *string = " +69";
+    char *term;
+    double value;
+    value = strtod (string, &term);
+    if (value != 69 || term != (string + 4))
+      exit (1);
+  }
+
+  {
+    /* Under Solaris 2.4, strtod returns the wrong value for the
+       terminating character under some conditions.  */
+    char *string = "NaN";
+    char *term;
+    strtod (string, &term);
+    if (term != string && *(term - 1) == 0)
+      exit (1);
+  }
+  exit (0);
+}
+], am_cv_func_strtod=yes, am_cv_func_strtod=no, am_cv_func_strtod=no)])
+test $am_cv_func_strtod = no && LIBOBJS="$LIBOBJS strtod.o"
+AC_SUBST(LIBOBJS)dnl
+am_cv_func_strtod_needs_libm=no
+if test $am_cv_func_strtod = no; then
+  AC_CHECK_FUNCS(pow)
+  if test $ac_cv_func_pow = no; then
+    AC_CHECK_LIB(m, pow, [am_cv_func_strtod_needs_libm=yes],
+		 [AC_MSG_WARN(can't find library containing definition of pow)])
+  fi
+fi
+])

new file mode 100644
--- /dev/null
+++ b/m4/termios.m4
@@ -0,0 +1,14 @@
+dnl From Jim Meyering.
+
+# serial 1
+
+AC_DEFUN(AM_SYS_POSIX_TERMIOS,
+[AC_CACHE_CHECK([POSIX termios], am_cv_sys_posix_termios,
+  [AC_TRY_LINK([#include <sys/types.h>
+#include <unistd.h>
+#include <termios.h>],
+  [/* SunOS 4.0.3 has termios.h but not the library calls.  */
+   tcgetattr(0, 0);],
+  am_cv_sys_posix_termios=yes,
+  am_cv_sys_posix_termios=no)])
+])

new file mode 100644
--- /dev/null
+++ b/m4/winsz.m4
@@ -0,0 +1,35 @@
+dnl From Jim Meyering.
+
+# serial 1
+
+AC_DEFUN(AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
+[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
+ AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
+	        am_cv_sys_tiocgwinsz_needs_sys_ioctl_h,
+  [am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no
+
+  gwinsz_in_termios_h=no
+  if test $am_cv_sys_posix_termios = yes; then
+    AC_EGREP_CPP([yes],
+    [#include <sys/types.h>
+#     include <termios.h>
+#     ifdef TIOCGWINSZ
+        yes
+#     endif
+    ], gwinsz_in_termios_h=yes)
+  fi
+
+  if test $gwinsz_in_termios_h = no; then
+    AC_EGREP_CPP([yes],
+    [#include <sys/types.h>
+#     include <sys/ioctl.h>
+#     ifdef TIOCGWINSZ
+        yes
+#     endif
+    ], am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes)
+  fi
+  ])
+  if test $am_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
+    AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
+  fi
+])