6 files changed, 368 insertions, 0 deletions
diff --git a/m4/Makefile.in b/m4/Makefile.in
new file mode 100644
index 0000000..c699503
--- /dev/null
+++ b/m4/Makefile.in
@@ -0,0 +1,186 @@
+# Copyright 2010-2012,2023 Thomas E. Dickey
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+# Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datarootdir = @datarootdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = ..
+
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = @program_transform_name@
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+AWK = @AWK@
+EXPR = @EXPR@
+HELP2MAN = @HELP2MAN@
+M4 = @M4@
+PACKAGE = @PACKAGE@
+PACKAGE_NAME = @PACKAGE_NAME@
+PERL = @PERL@
+PERLSCRIPTS = @PERLSCRIPTS@
+VERSION = @VERSION@
+
+EXTRA_DIST = \
+atconfig.m4 \
+init.m4 \
+m4.m4 \
+missing.m4 \
+sanity.m4
+
+subdir = m4
+CONFIG_CLEAN_FILES =
+DIST_SOURCES =
+DIST_COMMON = Makefile.am Makefile.in
+all: all-am
+
+.SUFFIXES:
+
+Makefile:  $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) && \
+	  CONFIG_HEADERS= CONFIG_LINKS= \
+	  CONFIG_FILES=$(subdir)/$@ $(SHELL) ./config.status
+uninstall-info-am:
+tags: TAGS
+TAGS:
+
+
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+
+top_distdir = ..
+distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
+
+distdir: $(DISTFILES)
+	@for file in $(DISTFILES); do \
+	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    mkdir -p "$(distdir)/$$dir"; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    cp -pR $$d/$$file $(distdir) \
+	    || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+
+installdirs:
+
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-rm -f Makefile $(CONFIG_CLEAN_FILES) stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic mostlyclean-am
+
+distclean: distclean-am
+
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic
+
+uninstall-am: uninstall-info-am
+
+.PHONY: all all-am check check-am clean clean-generic distclean \
+	distclean-generic distdir dvi dvi-am info info-am install \
+	install-am install-data install-data-am install-exec \
+	install-exec-am install-info install-info-am install-man \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic uninstall uninstall-am uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/m4/atconfig.m4 b/m4/atconfig.m4
new file mode 100644
index 0000000..79c7c72
--- /dev/null
+++ b/m4/atconfig.m4
@@ -0,0 +1,16 @@
+## ----------------------##                              -*- Autoconf -*-
+## Prepare for testing.  ##
+## ----------------------##
+
+#serial 3
+
+# AT_CONFIG([AUTOTEST-PATH = .])
+# ------------------------------
+# Configure the test suite.
+#
+# AUTOTEST-PATH must help the test suite to find the executables, i.e.,
+# if the test suite is in `tests/' and the executables are in `src/',
+# pass `../src'.  If there are also executables in the source tree, use
+# `../src:$top_srcdir/src'.
+AC_DEFUN([AT_CONFIG],
+[AC_SUBST([AUTOTEST_PATH], [m4_default([$1], [.])])])
diff --git a/m4/init.m4 b/m4/init.m4
new file mode 100644
index 0000000..22d9592
--- /dev/null
+++ b/m4/init.m4
@@ -0,0 +1,37 @@
+# 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, [no-define])
+
+AC_DEFUN(AM_INIT_AUTOMAKE,
+[AC_REQUIRE([AC_PROG_INSTALL])
+PACKAGE=[$1]
+AC_SUBST(PACKAGE)
+VERSION=[$2]
+AC_SUBST(VERSION)
+dnl test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
+fi
+ifelse([$3],,
+[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
+AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])
+AC_REQUIRE([AM_SANITY_CHECK])
+AC_REQUIRE([AC_ARG_PROGRAM])
+dnl FIXME This is truly gross.
+missing_dir=`cd $ac_aux_dir && pwd`
+#
+ac_prog_editor=`echo $program_transform_name| sed -e 's/\\$\\$/$/g'`
+#
+ac_prog_actual=`echo autoconf|sed -e $ac_prog_editor`
+AM_MISSING_PROG(AUTOCONF, $ac_prog_actual, $missing_dir)
+#
+ac_prog_actual=`echo autoheader|sed -e $ac_prog_editor`
+AM_MISSING_PROG(AUTOHEADER, $ac_prog_actual, $missing_dir)
+#
+AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
+AC_REQUIRE([AC_PROG_MAKE_SET])])
diff --git a/m4/m4.m4 b/m4/m4.m4
new file mode 100644
index 0000000..e48d690
--- /dev/null
+++ b/m4/m4.m4
@@ -0,0 +1,17 @@
+# AC_PROG_GNU_M4
+# --------------
+# Check for GNU m4, at least 1.3 (supports frozen files).
+AC_DEFUN([AC_PROG_GNU_M4],
+[AC_PATH_PROGS(M4, gm4 gnum4 m4, m4)
+AC_CACHE_CHECK(version of $M4, ac_cv_m4_version,
+[
+	ac_cv_m4_version=`$M4 --version | head -n 1 | sed -E -e 's/^.*[[ ]]([[1-9]][[0-9]]*\.)/\1/g' -e 's/[[^0-9.]]*$//' 2>/dev/null`
+	test -z "$ac_cv_m4_version" && ac_cv_m4_version=unknown
+])
+AC_CACHE_CHECK(whether $M4 supports frozen files, ac_cv_prog_gnu_m4,
+[ac_cv_prog_gnu_m4=no
+if test x"$M4" != x; then
+  case `$M4 --help < /dev/null 2>&1` in
+    *reload-state*) ac_cv_prog_gnu_m4=yes ;;
+  esac
+fi])])
diff --git a/m4/missing.m4 b/m4/missing.m4
new file mode 100644
index 0000000..091570d
--- /dev/null
+++ b/m4/missing.m4
@@ -0,0 +1,70 @@
+## --------------------------------------------------------- ##
+## Fake the existence of programs that GNU maintainers use.  ##
+## --------------------------------------------------------- ##
+
+# serial 2
+
+# AM_MISSING_PROG(NAME, PROGRAM)
+# ------------------------------
+AC_DEFUN([AM_MISSING_PROG],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+$1=${$1-"${am_missing_run}$2"}
+AC_SUBST($1)])
+
+
+# AM_MISSING_INSTALL_SH
+# ---------------------
+# Like AM_MISSING_PROG, but only looks for install-sh.
+AC_DEFUN([AM_MISSING_INSTALL_SH],
+[AC_REQUIRE([AM_MISSING_HAS_RUN])
+if test -z "$install_sh"; then
+   for install_sh in "$ac_aux_dir/install-sh" \
+                     "$ac_aux_dir/install.sh" \
+                     "${am_missing_run}${ac_auxdir}/install-sh";
+   do
+     test -f "$install_sh" && break
+   done
+fi
+AC_SUBST(install_sh)])
+
+
+# AM_MISSING_HAS_RUN
+# ------------------
+# Define MISSING if not defined so far and test if it supports --run.
+# If it does, set am_missing_run to use it, otherwise, to nothing.
+AC_DEFUN([AM_MISSING_HAS_RUN],
+[test x"${MISSING+set}" = xset ||
+  MISSING="\${SHELL} `CDPATH=:; cd $ac_aux_dir && pwd`/missing"
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+  am_missing_run="$MISSING --run "
+else
+  am_missing_run=
+  am_backtick='`'
+  AC_MSG_WARN([${am_backtick}missing' script is too old or missing])
+fi
+])
+
+# AM_AUX_DIR_EXPAND
+
+# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
+# $ac_aux_dir to ${srcdir}/foo.  In other projects, it is set to `.'.
+# Of course, Automake must honor this variable whenever it call a tool
+# from the auxiliary directory.  The problem is that $srcdir (hence
+# $ac_aux_dir) can be either an absolute path or a path relative to
+# $top_srcdir or absolute, this depends on how configure is run.  This
+# is pretty annoying since it makes $ac_aux_dir quite unusable in
+# subdirectories: on the top source directory, any form will work
+# fine, but in subdirectories relative pat needs to be adapted.
+# - calling $top_srcidr/$ac_aux_dir/missing would success if $srcdir is
+#   relative, but fail if $srcdir is absolute
+# - conversely, calling $ax_aux_dir/missing would fail if $srcdir is
+#   absolute, and success on relative paths.
+#
+# Consequently, we define and use $am_aux_dir, the "always absolute"
+# version of $ac_aux_dir.
+
+AC_DEFUN([AM_AUX_DIR_EXPAND], [
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`CDPATH=:; cd $ac_aux_dir && pwd`
+])
diff --git a/m4/sanity.m4 b/m4/sanity.m4
new file mode 100644
index 0000000..5cb5f27
--- /dev/null
+++ b/m4/sanity.m4
@@ -0,0 +1,42 @@
+#
+# Check to make sure that the build environment is sane.
+#
+
+AC_DEFUN(AM_SANITY_CHECK,
+[AC_MSG_CHECKING([whether build environment is sane])
+# Just in case
+sleep 1
+echo timestamp > conftest.file
+# Do `set' in a subshell so we don't clobber the current shell's
+# arguments.  Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+   if test "[$]*" = "X"; then
+      # -L didn't work.
+      set X `ls -t $srcdir/configure conftest.file`
+   fi
+   if test "[$]*" != "X $srcdir/configure conftest.file" \
+      && test "[$]*" != "X conftest.file $srcdir/configure"; then
+
+      # If neither matched, then we have a broken ls.  This can happen
+      # if, for instance, CONFIG_SHELL is bash and it inherits a
+      # broken ls alias from the environment.  This has actually
+      # happened.  Such a system could not be considered "sane".
+      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
+alias in your environment])
+   fi
+
+   test "[$]2" = conftest.file
+   )
+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])])