diff --git a/Makefile.in b/Makefile.in
index e38f265e8..e8b89f73c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.17 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+# Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -69,6 +69,8 @@ am__make_running_with_option = \
   test $$has_opt = yes
 am__make_dryrun = (target_option=n; $(am__make_running_with_option))
 am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+am__rm_f = rm -f $(am__rm_f_notfound)
+am__rm_rf = rm -rf $(am__rm_f_notfound)
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -170,8 +172,8 @@ distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
 am__remove_distdir = \
   if test -d "$(distdir)"; then \
-    find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
-      && rm -rf "$(distdir)" \
+    find "$(distdir)" -type d ! -perm -700 -exec chmod u+rwx {} ';' \
+      ; rm -rf "$(distdir)" \
       || { sleep 5 && rm -rf "$(distdir)"; }; \
   else :; fi
 am__post_remove_distdir = $(am__remove_distdir)
@@ -201,14 +203,16 @@ am__relativize = \
   done; \
   reldir="$$dir2"
 DIST_ARCHIVES = $(distdir).tar.gz
-GZIP_ENV = --best
+GZIP_ENV = -9
 DIST_TARGETS = dist-gzip
 # Exists only to be overridden by the user if desired.
 AM_DISTCHECK_DVI_TARGET = dvi
 distuninstallcheck_listfiles = find . -type f -print
 am__distuninstallcheck_listfiles = $(distuninstallcheck_listfiles) \
   | sed 's|^\./|$(prefix)/|' | grep -v '$(infodir)/dir$$'
-distcleancheck_listfiles = find . -type f -print
+distcleancheck_listfiles = \
+  find . \( -type f -a \! \
+            \( -name .nfs* -o -name .smb* -o -name .__afs* \) \) -print
 ACLOCAL = @ACLOCAL@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
@@ -295,8 +299,10 @@ ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
 am__include = @am__include@
 am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
+am__rm_f_notfound = @am__rm_f_notfound@
 am__tar = @am__tar@
 am__untar = @am__untar@
+am__xargs_n = @am__xargs_n@
 ax_pthread_config = @ax_pthread_config@
 bindir = @bindir@
 build = @build@
@@ -498,7 +504,7 @@ distdir: $(BUILT_SOURCES)
 
 distdir-am: $(DISTFILES)
 	$(am__remove_distdir)
-	test -d "$(distdir)" || mkdir "$(distdir)"
+	$(AM_V_at)$(MKDIR_P) "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@@ -609,7 +615,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  eval GZIP= gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -619,7 +625,7 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
+	  eval GZIP= gzip -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	*.tar.zst*) \
@@ -719,8 +725,8 @@ mostlyclean-generic:
 clean-generic:
 
 distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-$(am__rm_f) $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || $(am__rm_f) $(CONFIG_CLEAN_VPATH_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -820,3 +826,10 @@ uninstall-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:
+
+# Tell GNU make to disable its built-in pattern rules.
+%:: %,v
+%:: RCS/%,v
+%:: RCS/%
+%:: s.%
+%:: SCCS/s.%
diff --git a/aclocal.m4 b/aclocal.m4
index bd04b2e09..37e331823 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
+# generated automatically by aclocal 1.17 -*- Autoconf -*-
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9081,7 +9081,7 @@ m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
 m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
 m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
 
-# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9093,10 +9093,10 @@ m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.16'
+[am__api_version='1.17'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.16.5], [],
+m4_if([$1], [1.17], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -9112,14 +9112,14 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.16.5])dnl
+[AM_AUTOMAKE_VERSION([1.17])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9171,7 +9171,7 @@ am_aux_dir=`cd "$ac_aux_dir" && pwd`
 
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
-# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9202,7 +9202,7 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
 
-# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9334,7 +9334,7 @@ AC_CACHE_CHECK([dependency style of $depcc],
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
       # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      # When given -MP, icc 7.0 and 7.1 complain thus:
       #   icc: Command line warning: ignoring option '-M'; no argument required
       # The diagnosis changed in icc 8.0:
       #   icc: Command line remark: option '-MP' not supported
@@ -9393,7 +9393,7 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
 
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 
-# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9461,7 +9461,7 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 
 # Do all the work for Automake.                             -*- Autoconf -*-
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9595,7 +9595,7 @@ if test -z "$CSCOPE"; then
 fi
 AC_SUBST([CSCOPE])
 
-AC_REQUIRE([AM_SILENT_RULES])dnl
+AC_REQUIRE([_AM_SILENT_RULES])dnl
 dnl The testsuite driver may need to know about EXEEXT, so add the
 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
@@ -9603,47 +9603,9 @@ AC_CONFIG_COMMANDS_PRE(dnl
 [m4_provide_if([_AM_COMPILER_EXEEXT],
   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 
-# POSIX will say in a future version that running "rm -f" with no argument
-# is OK; and we want to be able to make that assumption in our Makefile
-# recipes.  So use an aggressive probe to check that the usage we want is
-# actually supported "in the wild" to an acceptable degree.
-# See automake bug#10828.
-# To make any issue more visible, cause the running configure to be aborted
-# by default if the 'rm' program in use doesn't match our expectations; the
-# user can still override this though.
-if rm -f && rm -fr && rm -rf; then : OK; else
-  cat >&2 <<'END'
-Oops!
-
-Your 'rm' program seems unable to run without file operands specified
-on the command line, even when the '-f' option is present.  This is contrary
-to the behaviour of most rm programs out there, and not conforming with
-the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
-
-Please tell bug-automake@gnu.org about your system, including the value
-of your $PATH and any error possibly output before this message.  This
-can help us improve future automake versions.
+AC_REQUIRE([_AM_PROG_RM_F])
+AC_REQUIRE([_AM_PROG_XARGS_N])
 
-END
-  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
-    echo 'Configuration will proceed anyway, since you have set the' >&2
-    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
-    echo >&2
-  else
-    cat >&2 <<'END'
-Aborting the configuration process, to ensure you take notice of the issue.
-
-You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <https://www.gnu.org/software/coreutils/>.
-
-If you want to complete the configuration process using your problematic
-'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
-to "yes", and re-run configure.
-
-END
-    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
-  fi
-fi
 dnl The trailing newline in this macro's definition is deliberate, for
 dnl backward compatibility and to allow trailing 'dnl'-style comments
 dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
@@ -9676,7 +9638,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9697,7 +9659,7 @@ if test x"${install_sh+set}" != xset; then
 fi
 AC_SUBST([install_sh])])
 
-# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+# Copyright (C) 2003-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9719,7 +9681,7 @@ AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9754,7 +9716,7 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9797,7 +9759,7 @@ AC_SUBST([am__quote])])
 
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# Copyright (C) 1997-2021 Free Software Foundation, Inc.
+# Copyright (C) 1997-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9831,7 +9793,7 @@ fi
 
 # Helper functions for option handling.                     -*- Autoconf -*-
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9860,7 +9822,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 
-# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9907,7 +9869,23 @@ AC_LANG_POP([C])])
 # For backward compatibility.
 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
+#
+# This file 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.
+
+# _AM_PROG_RM_F
+# ---------------
+# Check whether 'rm -f' without any arguments works.
+# https://bugs.gnu.org/10828
+AC_DEFUN([_AM_PROG_RM_F],
+[am__rm_f_notfound=
+AS_IF([(rm -f && rm -fr && rm -rf) 2>/dev/null], [], [am__rm_f_notfound='""'])
+AC_SUBST(am__rm_f_notfound)
+])
+
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -9926,16 +9904,169 @@ AC_DEFUN([AM_RUN_LOG],
 
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 #
 # This file 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.
 
+# _AM_SLEEP_FRACTIONAL_SECONDS
+# ----------------------------
+AC_DEFUN([_AM_SLEEP_FRACTIONAL_SECONDS], [dnl
+AC_CACHE_CHECK([whether sleep supports fractional seconds],
+               am_cv_sleep_fractional_seconds, [dnl
+AS_IF([sleep 0.001 2>/dev/null], [am_cv_sleep_fractional_seconds=yes],
+                                 [am_cv_sleep_fractional_seconds=no])
+])])
+
+# _AM_FILESYSTEM_TIMESTAMP_RESOLUTION
+# -----------------------------------
+# Determine the filesystem's resolution for file modification
+# timestamps.  The coarsest we know of is FAT, with a resolution
+# of only two seconds, even with the most recent "exFAT" extensions.
+# The finest (e.g. ext4 with large inodes, XFS, ZFS) is one
+# nanosecond, matching clock_gettime.  However, it is probably not
+# possible to delay execution of a shell script for less than one
+# millisecond, due to process creation overhead and scheduling
+# granularity, so we don't check for anything finer than that. (See below.)
+AC_DEFUN([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION], [dnl
+AC_REQUIRE([_AM_SLEEP_FRACTIONAL_SECONDS])
+AC_CACHE_CHECK([filesystem timestamp resolution],
+               am_cv_filesystem_timestamp_resolution, [dnl
+# Default to the worst case.
+am_cv_filesystem_timestamp_resolution=2
+
+# Only try to go finer than 1 sec if sleep can do it.
+# Don't try 1 sec, because if 0.01 sec and 0.1 sec don't work,
+# - 1 sec is not much of a win compared to 2 sec, and
+# - it takes 2 seconds to perform the test whether 1 sec works.
+# 
+# Instead, just use the default 2s on platforms that have 1s resolution,
+# accept the extra 1s delay when using $sleep in the Automake tests, in
+# exchange for not incurring the 2s delay for running the test for all
+# packages.
+#
+am_try_resolutions=
+if test "$am_cv_sleep_fractional_seconds" = yes; then
+  # Even a millisecond often causes a bunch of false positives,
+  # so just try a hundredth of a second. The time saved between .001 and
+  # .01 is not terribly consequential.
+  am_try_resolutions="0.01 0.1 $am_try_resolutions"
+fi
+
+# In order to catch current-generation FAT out, we must *modify* files
+# that already exist; the *creation* timestamp is finer.  Use names
+# that make ls -t sort them differently when they have equal
+# timestamps than when they have distinct timestamps, keeping
+# in mind that ls -t prints the *newest* file first.
+rm -f conftest.ts?
+: > conftest.ts1
+: > conftest.ts2
+: > conftest.ts3
+
+# Make sure ls -t actually works.  Do 'set' in a subshell so we don't
+# clobber the current shell's arguments. (Outer-level square brackets
+# are removed by m4; they're present so that m4 does not expand
+# <dollar><star>; be careful, easy to get confused.)
+if (
+     set X `[ls -t conftest.ts[12]]` &&
+     {
+       test "$[]*" != "X conftest.ts1 conftest.ts2" ||
+       test "$[]*" != "X conftest.ts2 conftest.ts1";
+     }
+); then :; else
+  # 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".
+  _AS_ECHO_UNQUOTED(
+    ["Bad output from ls -t: \"`[ls -t conftest.ts[12]]`\""],
+    [AS_MESSAGE_LOG_FD])
+  AC_MSG_FAILURE([ls -t produces unexpected output.
+Make sure there is not a broken ls alias in your environment.])
+fi
+
+for am_try_res in $am_try_resolutions; do
+  # Any one fine-grained sleep might happen to cross the boundary
+  # between two values of a coarser actual resolution, but if we do
+  # two fine-grained sleeps in a row, at least one of them will fall
+  # entirely within a coarse interval.
+  echo alpha > conftest.ts1
+  sleep $am_try_res
+  echo beta > conftest.ts2
+  sleep $am_try_res
+  echo gamma > conftest.ts3
+
+  # We assume that 'ls -t' will make use of high-resolution
+  # timestamps if the operating system supports them at all.
+  if (set X `ls -t conftest.ts?` &&
+      test "$[]2" = conftest.ts3 &&
+      test "$[]3" = conftest.ts2 &&
+      test "$[]4" = conftest.ts1); then
+    #
+    # Ok, ls -t worked. If we're at a resolution of 1 second, we're done,
+    # because we don't need to test make.
+    make_ok=true
+    if test $am_try_res != 1; then
+      # But if we've succeeded so far with a subsecond resolution, we
+      # have one more thing to check: make. It can happen that
+      # everything else supports the subsecond mtimes, but make doesn't;
+      # notably on macOS, which ships make 3.81 from 2006 (the last one
+      # released under GPLv2). https://bugs.gnu.org/68808
+      # 
+      # We test $MAKE if it is defined in the environment, else "make".
+      # It might get overridden later, but our hope is that in practice
+      # it does not matter: it is the system "make" which is (by far)
+      # the most likely to be broken, whereas if the user overrides it,
+      # probably they did so with a better, or at least not worse, make.
+      # https://lists.gnu.org/archive/html/automake/2024-06/msg00051.html
+      #
+      # Create a Makefile (real tab character here):
+      rm -f conftest.mk
+      echo 'conftest.ts1: conftest.ts2' >conftest.mk
+      echo '	touch conftest.ts2' >>conftest.mk
+      #
+      # Now, running
+      #   touch conftest.ts1; touch conftest.ts2; make
+      # should touch ts1 because ts2 is newer. This could happen by luck,
+      # but most often, it will fail if make's support is insufficient. So
+      # test for several consecutive successes.
+      #
+      # (We reuse conftest.ts[12] because we still want to modify existing
+      # files, not create new ones, per above.)
+      n=0
+      make=${MAKE-make}
+      until test $n -eq 3; do
+        echo one > conftest.ts1
+        sleep $am_try_res
+        echo two > conftest.ts2 # ts2 should now be newer than ts1
+        if $make -f conftest.mk | grep 'up to date' >/dev/null; then
+          make_ok=false
+          break # out of $n loop
+        fi
+        n=`expr $n + 1`
+      done
+    fi
+    #
+    if $make_ok; then
+      # Everything we know to check worked out, so call this resolution good.
+      am_cv_filesystem_timestamp_resolution=$am_try_res
+      break # out of $am_try_res loop
+    fi
+    # Otherwise, we'll go on to check the next resolution.
+  fi
+done
+rm -f conftest.ts?
+# (end _am_filesystem_timestamp_resolution)
+])])
+
 # AM_SANITY_CHECK
 # ---------------
 AC_DEFUN([AM_SANITY_CHECK],
-[AC_MSG_CHECKING([whether build environment is sane])
+[AC_REQUIRE([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION])
+# This check should not be cached, as it may vary across builds of
+# different projects.
+AC_MSG_CHECKING([whether build environment is sane])
 # Reject unsafe characters in $srcdir or the absolute working directory
 # name.  Accept space and tab only in the latter.
 am_lf='
@@ -9954,49 +10085,40 @@ esac
 # 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 (
-   am_has_slept=no
-   for am_try in 1 2; do
-     echo "timestamp, slept: $am_has_slept" > conftest.file
-     set X `ls -Lt "$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 $srcdir/configure"; then
-
-	# If neither matched, then we have a broken ls.  This can happen
-	# if, for instance, CONFIG_SHELL is bash and it inherits a
-	# broken ls alias from the environment.  This has actually
-	# happened.  Such a system could not be considered "sane".
-	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
-  alias in your environment])
-     fi
-     if test "$[2]" = conftest.file || test $am_try -eq 2; then
-       break
-     fi
-     # Just in case.
-     sleep 1
-     am_has_slept=yes
-   done
-   test "$[2]" = conftest.file
-   )
-then
-   # Ok.
-   :
-else
-   AC_MSG_ERROR([newly created file is older than distributed files!
+am_build_env_is_sane=no
+am_has_slept=no
+rm -f conftest.file
+for am_try in 1 2; do
+  echo "timestamp, slept: $am_has_slept" > conftest.file
+  if (
+    set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+    if test "$[]*" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+    fi
+    test "$[]2" = conftest.file
+  ); then
+    am_build_env_is_sane=yes
+    break
+  fi
+  # Just in case.
+  sleep "$am_cv_filesystem_timestamp_resolution"
+  am_has_slept=yes
+done
+
+AC_MSG_RESULT([$am_build_env_is_sane])
+if test "$am_build_env_is_sane" = no; then
+  AC_MSG_ERROR([newly created file is older than distributed files!
 Check your system clock])
 fi
-AC_MSG_RESULT([yes])
+
 # If we didn't sleep, we still need to ensure time stamps of config.status and
 # generated files are strictly newer.
 am_sleep_pid=
-if grep 'slept: no' conftest.file >/dev/null 2>&1; then
-  ( sleep 1 ) &
+AS_IF([test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1],, [dnl
+  ( sleep "$am_cv_filesystem_timestamp_resolution" ) &
   am_sleep_pid=$!
-fi
+])
 AC_CONFIG_COMMANDS_PRE(
   [AC_MSG_CHECKING([that generated files are newer than configure])
    if test -n "$am_sleep_pid"; then
@@ -10007,18 +10129,18 @@ AC_CONFIG_COMMANDS_PRE(
 rm -f conftest.file
 ])
 
-# Copyright (C) 2009-2021 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
 #
 # This file 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.
 
-# AM_SILENT_RULES([DEFAULT])
-# --------------------------
-# Enable less verbose build rules; with the default set to DEFAULT
-# ("yes" being less verbose, "no" or empty being verbose).
-AC_DEFUN([AM_SILENT_RULES],
-[AC_ARG_ENABLE([silent-rules], [dnl
+# _AM_SILENT_RULES
+# ----------------
+# Enable less verbose build rules support.
+AC_DEFUN([_AM_SILENT_RULES],
+[AM_DEFAULT_VERBOSITY=1
+AC_ARG_ENABLE([silent-rules], [dnl
 AS_HELP_STRING(
   [--enable-silent-rules],
   [less verbose build output (undo: "make V=1")])
@@ -10026,11 +10148,6 @@ AS_HELP_STRING(
   [--disable-silent-rules],
   [verbose build output (undo: "make V=0")])dnl
 ])
-case $enable_silent_rules in @%:@ (((
-  yes) AM_DEFAULT_VERBOSITY=0;;
-   no) AM_DEFAULT_VERBOSITY=1;;
-    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
-esac
 dnl
 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
 dnl do not support nested variable expansions.
@@ -10049,14 +10166,6 @@ am__doit:
 else
   am_cv_make_support_nested_variables=no
 fi])
-if test $am_cv_make_support_nested_variables = yes; then
-  dnl Using '$V' instead of '$(V)' breaks IRIX make.
-  AM_V='$(V)'
-  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
-else
-  AM_V=$AM_DEFAULT_VERBOSITY
-  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
-fi
 AC_SUBST([AM_V])dnl
 AM_SUBST_NOTMAKE([AM_V])dnl
 AC_SUBST([AM_DEFAULT_V])dnl
@@ -10065,9 +10174,33 @@ AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
 AM_BACKSLASH='\'
 AC_SUBST([AM_BACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
+dnl Delay evaluation of AM_DEFAULT_VERBOSITY to the end to allow multiple calls
+dnl to AM_SILENT_RULES to change the default value.
+AC_CONFIG_COMMANDS_PRE([dnl
+case $enable_silent_rules in @%:@ (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+esac
+if test $am_cv_make_support_nested_variables = yes; then
+  dnl Using '$V' instead of '$(V)' breaks IRIX make.
+  AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+])dnl
 ])
 
-# Copyright (C) 2001-2021 Free Software Foundation, Inc.
+# AM_SILENT_RULES([DEFAULT])
+# --------------------------
+# Set the default verbosity level to DEFAULT ("yes" being less verbose, "no" or
+# empty being verbose).
+AC_DEFUN([AM_SILENT_RULES],
+[AC_REQUIRE([_AM_SILENT_RULES])
+AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1])])
+
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -10095,7 +10228,7 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-# Copyright (C) 2006-2021 Free Software Foundation, Inc.
+# Copyright (C) 2006-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -10114,7 +10247,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 
 # Check how to create a tarball.                            -*- Autoconf -*-
 
-# Copyright (C) 2004-2021 Free Software Foundation, Inc.
+# Copyright (C) 2004-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -10160,15 +10293,19 @@ m4_if([$1], [v7],
       am_uid=`id -u || echo unknown`
       am_gid=`id -g || echo unknown`
       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
-      if test $am_uid -le $am_max_uid; then
-         AC_MSG_RESULT([yes])
+      if test x$am_uid = xunknown; then
+        AC_MSG_WARN([ancient id detected; assuming current UID is ok, but dist-ustar might not work])
+      elif test $am_uid -le $am_max_uid; then
+        AC_MSG_RESULT([yes])
       else
-         AC_MSG_RESULT([no])
-         _am_tools=none
+        AC_MSG_RESULT([no])
+        _am_tools=none
       fi
       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
-      if test $am_gid -le $am_max_gid; then
-         AC_MSG_RESULT([yes])
+      if test x$gm_gid = xunknown; then
+        AC_MSG_WARN([ancient id detected; assuming current GID is ok, but dist-ustar might not work])
+      elif test $am_gid -le $am_max_gid; then
+        AC_MSG_RESULT([yes])
       else
         AC_MSG_RESULT([no])
         _am_tools=none
@@ -10245,3 +10382,23 @@ AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
+# Copyright (C) 2022-2024 Free Software Foundation, Inc.
+#
+# This file 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.
+
+# _AM_PROG_XARGS_N
+# ----------------
+# Check whether 'xargs -n' works.  It should work everywhere, so the fallback
+# is not optimized at all as we never expect to use it.
+AC_DEFUN([_AM_PROG_XARGS_N],
+[AC_CACHE_CHECK([xargs -n works], am_cv_xargs_n_works, [dnl
+AS_IF([test "`echo 1 2 3 | xargs -n2 echo`" = "1 2
+3"], [am_cv_xargs_n_works=yes], [am_cv_xargs_n_works=no])])
+AS_IF([test "$am_cv_xargs_n_works" = yes], [am__xargs_n='xargs -n'], [dnl
+  am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "$@" "$am__xargs_n_arg"; done; }'
+])dnl
+AC_SUBST(am__xargs_n)
+])
+
diff --git a/config/compile b/config/compile
index df363c8fb..49b3d05fd 100755
--- a/config/compile
+++ b/config/compile
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2018-03-07.03; # UTC
+scriptversion=2024-06-19.01; # UTC
 
-# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -143,7 +143,7 @@ func_cl_wrapper ()
 	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
 	  eat=1
 	  case $2 in
-	    *.o | *.[oO][bB][jJ])
+	    *.o | *.lo | *.[oO][bB][jJ])
 	      func_file_conv "$2"
 	      set x "$@" -Fo"$file"
 	      shift
@@ -248,14 +248,17 @@ If you are trying to build a whole package this is not the
 right script to run: please start by reading the file 'INSTALL'.
 
 Report bugs to <bug-automake@gnu.org>.
+GNU Automake home page: <https://www.gnu.org/software/automake/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>.
 EOF
     exit $?
     ;;
   -v | --v*)
-    echo "compile $scriptversion"
+    echo "compile (GNU Automake) $scriptversion"
     exit $?
     ;;
   cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  clang-cl | *[/\\]clang-cl | clang-cl.exe | *[/\\]clang-cl.exe | \
   icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
     func_cl_wrapper "$@"      # Doesn't return...
     ;;
diff --git a/config/config.guess b/config/config.guess
index cdfc43920..f6d217a49 100755
--- a/config/config.guess
+++ b/config/config.guess
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2023 Free Software Foundation, Inc.
+#   Copyright 1992-2024 Free Software Foundation, Inc.
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
-timestamp='2023-08-22'
+timestamp='2024-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -60,7 +60,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2023 Free Software Foundation, Inc.
+Copyright 1992-2024 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -165,6 +165,8 @@ Linux|GNU|GNU/*)
 	LIBC=dietlibc
 	#elif defined(__GLIBC__)
 	LIBC=gnu
+	#elif defined(__LLVM_LIBC__)
+	LIBC=llvm
 	#else
 	#include <stdarg.h>
 	/* First heuristic to detect musl libc.  */
@@ -1593,6 +1595,9 @@ EOF
     *:Unleashed:*:*)
 	GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE
 	;;
+    *:Ironclad:*:*)
+	GUESS=$UNAME_MACHINE-unknown-ironclad
+	;;
 esac
 
 # Do we have a guess based on uname results?
diff --git a/config/config.sub b/config/config.sub
index defe52c0c..2c6a07ab3 100755
--- a/config/config.sub
+++ b/config/config.sub
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2023 Free Software Foundation, Inc.
+#   Copyright 1992-2024 Free Software Foundation, Inc.
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
-timestamp='2023-09-19'
+timestamp='2024-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -76,7 +76,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2023 Free Software Foundation, Inc.
+Copyright 1992-2024 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1222,6 +1222,7 @@ case $cpu-$vendor in
 			| moxie \
 			| mt \
 			| msp430 \
+			| nanomips* \
 			| nds32 | nds32le | nds32be \
 			| nfp \
 			| nios | nios2 | nios2eb | nios2el \
@@ -1253,6 +1254,7 @@ case $cpu-$vendor in
 			| ubicom32 \
 			| v70 | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
 			| vax \
+			| vc4 \
 			| visium \
 			| w65 \
 			| wasm32 | wasm64 \
@@ -1597,7 +1599,7 @@ case $cpu-$vendor in
 		os=
 		obj=elf
 		;;
-	mips*-*)
+	mips*-*|nanomips*-*)
 		os=
 		obj=elf
 		;;
@@ -1721,7 +1723,7 @@ fi
 
 case $os in
 	# Sometimes we do "kernel-libc", so those need to count as OSes.
-	musl* | newlib* | relibc* | uclibc*)
+	llvm* | musl* | newlib* | relibc* | uclibc*)
 		;;
 	# Likewise for "kernel-abi"
 	eabi* | gnueabi*)
@@ -1766,12 +1768,19 @@ case $os in
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
-	     | fiwix* | mlibc* | cos* | mbr* )
+	     | fiwix* | mlibc* | cos* | mbr* | ironclad* )
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
 		# Don't forget version if it is 3.2v4 or newer.
 		;;
+	# This refers to builds using the UEFI calling convention
+	# (which depends on the architecture) and PE file format.
+	# Note that this is both a different calling convention and
+	# different file format than that of GNU-EFI
+	# (x86_64-w64-mingw32).
+	uefi)
+		;;
 	none)
 		;;
 	kernel* | msvc* )
@@ -1818,8 +1827,9 @@ esac
 # As a final step for OS-related things, validate the OS-kernel combination
 # (given a valid OS), if there is a kernel.
 case $kernel-$os-$obj in
-	linux-gnu*- | linux-dietlibc*- | linux-android*- | linux-newlib*- \
-		   | linux-musl*- | linux-relibc*- | linux-uclibc*- | linux-mlibc*- )
+	linux-gnu*- | linux-android*- | linux-dietlibc*- | linux-llvm*- \
+		    | linux-mlibc*- | linux-musl*- | linux-newlib*- \
+		    | linux-relibc*- | linux-uclibc*- )
 		;;
 	uclinux-uclibc*- )
 		;;
@@ -1827,7 +1837,8 @@ case $kernel-$os-$obj in
 		;;
 	windows*-msvc*-)
 		;;
-	-dietlibc*- | -newlib*- | -musl*- | -relibc*- | -uclibc*- | -mlibc*- )
+	-dietlibc*- | -llvm*- | -mlibc*- | -musl*- | -newlib*- | -relibc*- \
+		    | -uclibc*- )
 		# These are just libc implementations, not actual OSes, and thus
 		# require a kernel.
 		echo "Invalid configuration '$1': libc '$os' needs explicit kernel." 1>&2
diff --git a/config/depcomp b/config/depcomp
index 715e34311..1f0aa972c 100755
--- a/config/depcomp
+++ b/config/depcomp
@@ -1,9 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
 
-scriptversion=2018-03-07.03; # UTC
+scriptversion=2024-06-19.01; # UTC
 
-# Copyright (C) 1999-2021 Free Software Foundation, Inc.
+# Copyright (C) 1999-2024 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
@@ -47,11 +47,13 @@ Environment variables:
   libtool     Whether libtool is used (yes/no).
 
 Report bugs to <bug-automake@gnu.org>.
+GNU Automake home page: <https://www.gnu.org/software/automake/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>.
 EOF
     exit $?
     ;;
   -v | --v*)
-    echo "depcomp $scriptversion"
+    echo "depcomp (GNU Automake) $scriptversion"
     exit $?
     ;;
 esac
@@ -113,7 +115,6 @@ nl='
 # These definitions help.
 upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
 lower=abcdefghijklmnopqrstuvwxyz
-digits=0123456789
 alpha=${upper}${lower}
 
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
@@ -128,7 +129,7 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 
 rm -f "$tmpdepfile"
 
-# Avoid interferences from the environment.
+# Avoid interference from the environment.
 gccflag= dashmflag=
 
 # Some modes work just like other modes, but use different flags.  We
@@ -198,8 +199,8 @@ gcc3)
   ;;
 
 gcc)
-## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
-## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## Note that this doesn't just cater to obsolete pre-3.x GCC compilers.
+## but also to in-use compilers like IBM xlc/xlC and the HP C compiler.
 ## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
diff --git a/config/install-sh b/config/install-sh
index 7c56c9c01..b1d7a6f67 100755
--- a/config/install-sh
+++ b/config/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2023-11-23.18; # UTC
+scriptversion=2024-06-19.01; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -170,7 +170,7 @@ while test $# -ne 0; do
 
     -T) is_target_a_directory=never;;
 
-    --version) echo "$0 $scriptversion"; exit $?;;
+    --version) echo "$0 (GNU Automake) $scriptversion"; exit $?;;
 
     --) shift
         break;;
@@ -345,7 +345,7 @@ do
 	' 0
 
 	# Because "mkdir -p" follows existing symlinks and we likely work
-	# directly in world-writeable /tmp, make sure that the '$tmpdir'
+	# directly in world-writable /tmp, make sure that the '$tmpdir'
 	# directory is successfully created first before we actually test
 	# 'mkdir -p'.
 	if (umask $mkdir_umask &&
@@ -353,7 +353,7 @@ do
 	    exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
 	then
 	  if test -z "$dir_arg" || {
-	       # Check for POSIX incompatibilities with -m.
+	       # Check for POSIX incompatibility with -m.
 	       # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
 	       # other-writable bit of parent directory when it shouldn't.
 	       # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
diff --git a/config/missing b/config/missing
index 1fe1611f1..7e7d78ec5 100755
--- a/config/missing
+++ b/config/missing
@@ -1,9 +1,11 @@
 #! /bin/sh
-# Common wrapper for a few potentially missing GNU programs.
+# Common wrapper for a few potentially missing GNU and other programs.
 
-scriptversion=2018-03-07.03; # UTC
+scriptversion=2024-06-07.14; # UTC
 
-# Copyright (C) 1996-2021 Free Software Foundation, Inc.
+# shellcheck disable=SC2006,SC2268 # we must support pre-POSIX shells
+
+# Copyright (C) 1996-2024 Free Software Foundation, Inc.
 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
@@ -54,18 +56,20 @@ Options:
   -v, --version   output version information and exit
 
 Supported PROGRAM values:
-  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
-  bison     yacc      flex         lex       help2man
+aclocal autoconf autogen  autoheader autom4te automake autoreconf
+bison   flex     help2man lex        makeinfo perl     yacc
 
 Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
 'g' are ignored when checking the name.
 
-Send bug reports to <bug-automake@gnu.org>."
+Report bugs to <bug-automake@gnu.org>.
+GNU Automake home page: <https://www.gnu.org/software/automake/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>."
     exit $?
     ;;
 
   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing $scriptversion (GNU Automake)"
+    echo "missing (GNU Automake) $scriptversion"
     exit $?
     ;;
 
@@ -108,7 +112,7 @@ gnu_software_URL=https://www.gnu.org/software
 program_details ()
 {
   case $1 in
-    aclocal|automake)
+    aclocal|automake|autoreconf)
       echo "The '$1' program is part of the GNU Automake package:"
       echo "<$gnu_software_URL/automake>"
       echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
@@ -123,6 +127,9 @@ program_details ()
       echo "<$gnu_software_URL/m4/>"
       echo "<$perl_URL>"
       ;;
+    *)
+      :
+      ;;
   esac
 }
 
@@ -137,48 +144,55 @@ give_advice ()
   printf '%s\n' "'$1' is $msg."
 
   configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  autoheader_deps="'acconfig.h'"
+  automake_deps="'Makefile.am'"
+  aclocal_deps="'acinclude.m4'"
   case $normalized_program in
+    aclocal*)
+      echo "You should only need it if you modified $aclocal_deps or"
+      echo "$configure_deps."
+      ;;
     autoconf*)
-      echo "You should only need it if you modified 'configure.ac',"
-      echo "or m4 files included by it."
-      program_details 'autoconf'
+      echo "You should only need it if you modified $configure_deps."
+      ;;
+    autogen*)
+      echo "You should only need it if you modified a '.def' or '.tpl' file."
+      echo "You may want to install the GNU AutoGen package:"
+      echo "<$gnu_software_URL/autogen/>"
       ;;
     autoheader*)
-      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "You should only need it if you modified $autoheader_deps or"
       echo "$configure_deps."
-      program_details 'autoheader'
       ;;
     automake*)
-      echo "You should only need it if you modified 'Makefile.am' or"
-      echo "$configure_deps."
-      program_details 'automake'
-      ;;
-    aclocal*)
-      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "You should only need it if you modified $automake_deps or"
       echo "$configure_deps."
-      program_details 'aclocal'
       ;;
-   autom4te*)
+    autom4te*)
       echo "You might have modified some maintainer files that require"
       echo "the 'autom4te' program to be rebuilt."
-      program_details 'autom4te'
+      ;;
+    autoreconf*)
+      echo "You should only need it if you modified $aclocal_deps or"
+      echo "$automake_deps or $autoheader_deps or $automake_deps or"
+      echo "$configure_deps."
       ;;
     bison*|yacc*)
       echo "You should only need it if you modified a '.y' file."
       echo "You may want to install the GNU Bison package:"
       echo "<$gnu_software_URL/bison/>"
       ;;
-    lex*|flex*)
-      echo "You should only need it if you modified a '.l' file."
-      echo "You may want to install the Fast Lexical Analyzer package:"
-      echo "<$flex_URL>"
-      ;;
     help2man*)
       echo "You should only need it if you modified a dependency" \
            "of a man page."
       echo "You may want to install the GNU Help2man package:"
       echo "<$gnu_software_URL/help2man/>"
     ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
     makeinfo*)
       echo "You should only need it if you modified a '.texi' file, or"
       echo "any other file indirectly affecting the aspect of the manual."
@@ -189,6 +203,12 @@ give_advice ()
       echo "want to install GNU make:"
       echo "<$gnu_software_URL/make/>"
       ;;
+    perl*)
+      echo "You should only need it to run GNU Autoconf, GNU Automake, "
+      echo "  assorted other tools, or if you modified a Perl source file."
+      echo "You may want to install the Perl 5 language interpreter:"
+      echo "<$perl_URL>"
+      ;;
     *)
       echo "You might have modified some files without having the proper"
       echo "tools for further handling them.  Check the 'README' file, it"
@@ -197,6 +217,7 @@ give_advice ()
       echo "case some other package contains this missing '$1' program."
       ;;
   esac
+  program_details "$normalized_program"
 }
 
 give_advice "$1" | sed -e '1s/^/WARNING: /' \
diff --git a/config/mkinstalldirs b/config/mkinstalldirs
index c364f3d5e..e536369cc 100755
--- a/config/mkinstalldirs
+++ b/config/mkinstalldirs
@@ -1,7 +1,7 @@
 #! /bin/sh
 # mkinstalldirs --- make directory hierarchy
 
-scriptversion=2020-07-26.22; # UTC
+scriptversion=2024-06-19.01; # UTC
 
 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
 # Created: 1993-05-16
@@ -23,7 +23,9 @@ Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
 Create each directory DIR (with mode MODE, if specified), including all
 leading file name components.
 
-Report bugs to <bug-automake@gnu.org>."
+Report bugs to <bug-automake@gnu.org>.
+GNU Automake home page: <https://www.gnu.org/software/automake/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>."
 
 # process command line arguments
 while test $# -gt 0 ; do
@@ -39,7 +41,7 @@ while test $# -gt 0 ; do
       shift
       ;;
     --version)
-      echo "$0 $scriptversion"
+      echo "$0 (GNU Automake) $scriptversion"
       exit $?
       ;;
     --)                         # stop option processing
diff --git a/config/test-driver b/config/test-driver
index be73b80ad..dc38f623f 100755
--- a/config/test-driver
+++ b/config/test-driver
@@ -1,9 +1,9 @@
 #! /bin/sh
 # test-driver - basic testsuite driver script.
 
-scriptversion=2018-03-07.03; # UTC
+scriptversion=2024-06-19.01; # UTC
 
-# Copyright (C) 2011-2021 Free Software Foundation, Inc.
+# Copyright (C) 2011-2024 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
@@ -44,11 +44,16 @@ print_usage ()
 Usage:
   test-driver --test-name NAME --log-file PATH --trs-file PATH
               [--expect-failure {yes|no}] [--color-tests {yes|no}]
+              [--collect-skipped-logs {yes|no}]
               [--enable-hard-errors {yes|no}] [--]
               TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
 
 The '--test-name', '--log-file' and '--trs-file' options are mandatory.
 See the GNU Automake documentation for information.
+
+Report bugs to <bug-automake@gnu.org>.
+GNU Automake home page: <https://www.gnu.org/software/automake/>.
+General help using GNU software: <https://www.gnu.org/gethelp/>.
 END
 }
 
@@ -57,15 +62,17 @@ log_file=  # Where to save the output of the test script.
 trs_file=  # Where to save the metadata of the test run.
 expect_failure=no
 color_tests=no
+collect_skipped_logs=yes
 enable_hard_errors=yes
 while test $# -gt 0; do
   case $1 in
   --help) print_usage; exit $?;;
-  --version) echo "test-driver $scriptversion"; exit $?;;
+  --version) echo "test-driver (GNU Automake) $scriptversion"; exit $?;;
   --test-name) test_name=$2; shift;;
   --log-file) log_file=$2; shift;;
   --trs-file) trs_file=$2; shift;;
   --color-tests) color_tests=$2; shift;;
+  --collect-skipped-logs) collect_skipped_logs=$2; shift;;
   --expect-failure) expect_failure=$2; shift;;
   --enable-hard-errors) enable_hard_errors=$2; shift;;
   --) shift; break;;
@@ -121,7 +128,7 @@ fi
 case $tweaked_estatus:$expect_failure in
   0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
   0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
-  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=$collect_skipped_logs;;
   99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
   *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
   *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
diff --git a/configure b/configure
index 0cc1574cd..ab5678566 100755
--- a/configure
+++ b/configure
@@ -717,6 +717,8 @@ build_vendor
 build_cpu
 build
 LIBTOOL
+am__xargs_n
+am__rm_f_notfound
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -2867,7 +2869,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 # Initialize the automake system
-am__api_version='1.16'
+am__api_version='1.17'
 
 
 
@@ -2970,6 +2972,165 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether sleep supports fractional seconds" >&5
+printf %s "checking whether sleep supports fractional seconds... " >&6; }
+if test ${am_cv_sleep_fractional_seconds+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if sleep 0.001 2>/dev/null
+then :
+  am_cv_sleep_fractional_seconds=yes
+else case e in #(
+  e) am_cv_sleep_fractional_seconds=no ;;
+esac
+fi
+ ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_sleep_fractional_seconds" >&5
+printf "%s\n" "$am_cv_sleep_fractional_seconds" >&6; }
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking filesystem timestamp resolution" >&5
+printf %s "checking filesystem timestamp resolution... " >&6; }
+if test ${am_cv_filesystem_timestamp_resolution+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) # Default to the worst case.
+am_cv_filesystem_timestamp_resolution=2
+
+# Only try to go finer than 1 sec if sleep can do it.
+# Don't try 1 sec, because if 0.01 sec and 0.1 sec don't work,
+# - 1 sec is not much of a win compared to 2 sec, and
+# - it takes 2 seconds to perform the test whether 1 sec works.
+#
+# Instead, just use the default 2s on platforms that have 1s resolution,
+# accept the extra 1s delay when using $sleep in the Automake tests, in
+# exchange for not incurring the 2s delay for running the test for all
+# packages.
+#
+am_try_resolutions=
+if test "$am_cv_sleep_fractional_seconds" = yes; then
+  # Even a millisecond often causes a bunch of false positives,
+  # so just try a hundredth of a second. The time saved between .001 and
+  # .01 is not terribly consequential.
+  am_try_resolutions="0.01 0.1 $am_try_resolutions"
+fi
+
+# In order to catch current-generation FAT out, we must *modify* files
+# that already exist; the *creation* timestamp is finer.  Use names
+# that make ls -t sort them differently when they have equal
+# timestamps than when they have distinct timestamps, keeping
+# in mind that ls -t prints the *newest* file first.
+rm -f conftest.ts?
+: > conftest.ts1
+: > conftest.ts2
+: > conftest.ts3
+
+# Make sure ls -t actually works.  Do 'set' in a subshell so we don't
+# clobber the current shell's arguments. (Outer-level square brackets
+# are removed by m4; they're present so that m4 does not expand
+# <dollar><star>; be careful, easy to get confused.)
+if (
+     set X `ls -t conftest.ts[12]` &&
+     {
+       test "$*" != "X conftest.ts1 conftest.ts2" ||
+       test "$*" != "X conftest.ts2 conftest.ts1";
+     }
+); then :; else
+  # If neither matched, then we have a broken ls.  This can happen
+  # if, for instance, CONFIG_SHELL is bash and it inherits a
+  # broken ls alias from the environment.  This has actually
+  # happened.  Such a system could not be considered "sane".
+  printf "%s\n" ""Bad output from ls -t: \"`ls -t conftest.ts[12]`\""" >&5
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+as_fn_error $? "ls -t produces unexpected output.
+Make sure there is not a broken ls alias in your environment.
+See 'config.log' for more details" "$LINENO" 5; }
+fi
+
+for am_try_res in $am_try_resolutions; do
+  # Any one fine-grained sleep might happen to cross the boundary
+  # between two values of a coarser actual resolution, but if we do
+  # two fine-grained sleeps in a row, at least one of them will fall
+  # entirely within a coarse interval.
+  echo alpha > conftest.ts1
+  sleep $am_try_res
+  echo beta > conftest.ts2
+  sleep $am_try_res
+  echo gamma > conftest.ts3
+
+  # We assume that 'ls -t' will make use of high-resolution
+  # timestamps if the operating system supports them at all.
+  if (set X `ls -t conftest.ts?` &&
+      test "$2" = conftest.ts3 &&
+      test "$3" = conftest.ts2 &&
+      test "$4" = conftest.ts1); then
+    #
+    # Ok, ls -t worked. If we're at a resolution of 1 second, we're done,
+    # because we don't need to test make.
+    make_ok=true
+    if test $am_try_res != 1; then
+      # But if we've succeeded so far with a subsecond resolution, we
+      # have one more thing to check: make. It can happen that
+      # everything else supports the subsecond mtimes, but make doesn't;
+      # notably on macOS, which ships make 3.81 from 2006 (the last one
+      # released under GPLv2). https://bugs.gnu.org/68808
+      #
+      # We test $MAKE if it is defined in the environment, else "make".
+      # It might get overridden later, but our hope is that in practice
+      # it does not matter: it is the system "make" which is (by far)
+      # the most likely to be broken, whereas if the user overrides it,
+      # probably they did so with a better, or at least not worse, make.
+      # https://lists.gnu.org/archive/html/automake/2024-06/msg00051.html
+      #
+      # Create a Makefile (real tab character here):
+      rm -f conftest.mk
+      echo 'conftest.ts1: conftest.ts2' >conftest.mk
+      echo '	touch conftest.ts2' >>conftest.mk
+      #
+      # Now, running
+      #   touch conftest.ts1; touch conftest.ts2; make
+      # should touch ts1 because ts2 is newer. This could happen by luck,
+      # but most often, it will fail if make's support is insufficient. So
+      # test for several consecutive successes.
+      #
+      # (We reuse conftest.ts[12] because we still want to modify existing
+      # files, not create new ones, per above.)
+      n=0
+      make=${MAKE-make}
+      until test $n -eq 3; do
+        echo one > conftest.ts1
+        sleep $am_try_res
+        echo two > conftest.ts2 # ts2 should now be newer than ts1
+        if $make -f conftest.mk | grep 'up to date' >/dev/null; then
+          make_ok=false
+          break # out of $n loop
+        fi
+        n=`expr $n + 1`
+      done
+    fi
+    #
+    if $make_ok; then
+      # Everything we know to check worked out, so call this resolution good.
+      am_cv_filesystem_timestamp_resolution=$am_try_res
+      break # out of $am_try_res loop
+    fi
+    # Otherwise, we'll go on to check the next resolution.
+  fi
+done
+rm -f conftest.ts?
+# (end _am_filesystem_timestamp_resolution)
+ ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_filesystem_timestamp_resolution" >&5
+printf "%s\n" "$am_cv_filesystem_timestamp_resolution" >&6; }
+
+# This check should not be cached, as it may vary across builds of
+# different projects.
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
 printf %s "checking whether build environment is sane... " >&6; }
 # Reject unsafe characters in $srcdir or the absolute working directory
@@ -2990,49 +3151,45 @@ esac
 # 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 (
-   am_has_slept=no
-   for am_try in 1 2; do
-     echo "timestamp, slept: $am_has_slept" > conftest.file
-     set X `ls -Lt "$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".
-	as_fn_error $? "ls -t appears to fail.  Make sure there is not a broken
-  alias in your environment" "$LINENO" 5
-     fi
-     if test "$2" = conftest.file || test $am_try -eq 2; then
-       break
-     fi
-     # Just in case.
-     sleep 1
-     am_has_slept=yes
-   done
-   test "$2" = conftest.file
-   )
-then
-   # Ok.
-   :
-else
-   as_fn_error $? "newly created file is older than distributed files!
+am_build_env_is_sane=no
+am_has_slept=no
+rm -f conftest.file
+for am_try in 1 2; do
+  echo "timestamp, slept: $am_has_slept" > conftest.file
+  if (
+    set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+    if test "$*" = "X"; then
+      # -L didn't work.
+      set X `ls -t "$srcdir/configure" conftest.file`
+    fi
+    test "$2" = conftest.file
+  ); then
+    am_build_env_is_sane=yes
+    break
+  fi
+  # Just in case.
+  sleep "$am_cv_filesystem_timestamp_resolution"
+  am_has_slept=yes
+done
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_build_env_is_sane" >&5
+printf "%s\n" "$am_build_env_is_sane" >&6; }
+if test "$am_build_env_is_sane" = no; then
+  as_fn_error $? "newly created file is older than distributed files!
 Check your system clock" "$LINENO" 5
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+
 # If we didn't sleep, we still need to ensure time stamps of config.status and
 # generated files are strictly newer.
 am_sleep_pid=
-if grep 'slept: no' conftest.file >/dev/null 2>&1; then
-  ( sleep 1 ) &
+if test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1
+then :
+
+else case e in #(
+  e)   ( sleep "$am_cv_filesystem_timestamp_resolution" ) &
   am_sleep_pid=$!
+ ;;
+esac
 fi
 
 rm -f conftest.file
@@ -3322,17 +3479,13 @@ else
 fi
 rmdir .tst 2>/dev/null
 
+AM_DEFAULT_VERBOSITY=1
 # Check whether --enable-silent-rules was given.
 if test ${enable_silent_rules+y}
 then :
   enableval=$enable_silent_rules;
 fi
 
-case $enable_silent_rules in # (((
-  yes) AM_DEFAULT_VERBOSITY=0;;
-   no) AM_DEFAULT_VERBOSITY=1;;
-    *) AM_DEFAULT_VERBOSITY=1;;
-esac
 am_make=${MAKE-make}
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
 printf %s "checking whether $am_make supports nested variables... " >&6; }
@@ -3355,15 +3508,45 @@ esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
 printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
-if test $am_cv_make_support_nested_variables = yes; then
-    AM_V='$(V)'
-  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
-else
-  AM_V=$AM_DEFAULT_VERBOSITY
-  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
-fi
 AM_BACKSLASH='\'
 
+am__rm_f_notfound=
+if (rm -f && rm -fr && rm -rf) 2>/dev/null
+then :
+
+else case e in #(
+  e) am__rm_f_notfound='""' ;;
+esac
+fi
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking xargs -n works" >&5
+printf %s "checking xargs -n works... " >&6; }
+if test ${am_cv_xargs_n_works+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) if test "`echo 1 2 3 | xargs -n2 echo`" = "1 2
+3"
+then :
+  am_cv_xargs_n_works=yes
+else case e in #(
+  e) am_cv_xargs_n_works=no ;;
+esac
+fi ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_xargs_n_works" >&5
+printf "%s\n" "$am_cv_xargs_n_works" >&6; }
+if test "$am_cv_xargs_n_works" = yes
+then :
+  am__xargs_n='xargs -n'
+else case e in #(
+  e)   am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "" "$am__xargs_n_arg"; done; }'
+ ;;
+esac
+fi
+
 if test "`cd $srcdir && pwd`" != "`pwd`"; then
   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
   # is not polluted with repeated "-I."
@@ -3447,90 +3630,12 @@ fi
 
 
 
-# POSIX will say in a future version that running "rm -f" with no argument
-# is OK; and we want to be able to make that assumption in our Makefile
-# recipes.  So use an aggressive probe to check that the usage we want is
-# actually supported "in the wild" to an acceptable degree.
-# See automake bug#10828.
-# To make any issue more visible, cause the running configure to be aborted
-# by default if the 'rm' program in use doesn't match our expectations; the
-# user can still override this though.
-if rm -f && rm -fr && rm -rf; then : OK; else
-  cat >&2 <<'END'
-Oops!
-
-Your 'rm' program seems unable to run without file operands specified
-on the command line, even when the '-f' option is present.  This is contrary
-to the behaviour of most rm programs out there, and not conforming with
-the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
-
-Please tell bug-automake@gnu.org about your system, including the value
-of your $PATH and any error possibly output before this message.  This
-can help us improve future automake versions.
-
-END
-  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
-    echo 'Configuration will proceed anyway, since you have set the' >&2
-    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
-    echo >&2
-  else
-    cat >&2 <<'END'
-Aborting the configuration process, to ensure you take notice of the issue.
-
-You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <https://www.gnu.org/software/coreutils/>.
 
-If you want to complete the configuration process using your problematic
-'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
-to "yes", and re-run configure.
 
-END
-    as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
-  fi
-fi
 
-# Check whether --enable-silent-rules was given.
-if test ${enable_silent_rules+y}
-then :
-  enableval=$enable_silent_rules;
-fi
 
-case $enable_silent_rules in # (((
-  yes) AM_DEFAULT_VERBOSITY=0;;
-   no) AM_DEFAULT_VERBOSITY=1;;
-    *) AM_DEFAULT_VERBOSITY=0;;
-esac
-am_make=${MAKE-make}
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
-printf %s "checking whether $am_make supports nested variables... " >&6; }
-if test ${am_cv_make_support_nested_variables+y}
-then :
-  printf %s "(cached) " >&6
-else case e in #(
-  e) if printf "%s\n" 'TRUE=$(BAR$(V))
-BAR0=false
-BAR1=true
-V=1
-am__doit:
-	@$(TRUE)
-.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
-  am_cv_make_support_nested_variables=yes
-else
-  am_cv_make_support_nested_variables=no
-fi ;;
-esac
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
-printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
-if test $am_cv_make_support_nested_variables = yes; then
-    AM_V='$(V)'
-  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
-else
-  AM_V=$AM_DEFAULT_VERBOSITY
-  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
-fi
-AM_BACKSLASH='\'
 
+AM_DEFAULT_VERBOSITY=0
 case `pwd` in
   *\ * | *\	*)
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
@@ -4949,7 +5054,7 @@ else case e in #(
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
       # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      # When given -MP, icc 7.0 and 7.1 complain thus:
       #   icc: Command line warning: ignoring option '-M'; no argument required
       # The diagnosis changed in icc 8.0:
       #   icc: Command line remark: option '-MP' not supported
@@ -14047,7 +14152,7 @@ else case e in #(
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
       # that says an option was ignored or not supported.
-      # When given -MP, icc 7.0 and 7.1 complain thusly:
+      # When given -MP, icc 7.0 and 7.1 complain thus:
       #   icc: Command line warning: ignoring option '-M'; no argument required
       # The diagnosis changed in icc 8.0:
       #   icc: Command line remark: option '-MP' not supported
@@ -16499,6 +16604,159 @@ then :
 fi
 
 
+# Check if we need -lrt for nanosleep
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing nanosleep" >&5
+printf %s "checking for library containing nanosleep... " >&6; }
+if test ${ac_cv_search_nanosleep+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char nanosleep (void);
+int
+main (void)
+{
+return nanosleep ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' rt posix4
+do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_search_nanosleep=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext
+  if test ${ac_cv_search_nanosleep+y}
+then :
+  break
+fi
+done
+if test ${ac_cv_search_nanosleep+y}
+then :
+
+else case e in #(
+  e) ac_cv_search_nanosleep=no ;;
+esac
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nanosleep" >&5
+printf "%s\n" "$ac_cv_search_nanosleep" >&6; }
+ac_res=$ac_cv_search_nanosleep
+if test "$ac_res" != no
+then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+# Check for nanosleep support
+ac_fn_c_check_func "$LINENO" "nanosleep" "ac_cv_func_nanosleep"
+if test "x$ac_cv_func_nanosleep" = xyes
+then :
+  printf "%s\n" "#define HAVE_NANOSLEEP 1" >>confdefs.h
+
+fi
+
+# Check if we need -lrt for clock_nanosleep
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing clock_nanosleep" >&5
+printf %s "checking for library containing clock_nanosleep... " >&6; }
+if test ${ac_cv_search_clock_nanosleep+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char clock_nanosleep (void);
+int
+main (void)
+{
+return clock_nanosleep ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' rt posix4
+do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_search_clock_nanosleep=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext
+  if test ${ac_cv_search_clock_nanosleep+y}
+then :
+  break
+fi
+done
+if test ${ac_cv_search_clock_nanosleep+y}
+then :
+
+else case e in #(
+  e) ac_cv_search_clock_nanosleep=no ;;
+esac
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_nanosleep" >&5
+printf "%s\n" "$ac_cv_search_clock_nanosleep" >&6; }
+ac_res=$ac_cv_search_clock_nanosleep
+if test "$ac_res" != no
+then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+# Check for clock_nanosleep support
+ac_fn_c_check_func "$LINENO" "clock_nanosleep" "ac_cv_func_clock_nanosleep"
+if test "x$ac_cv_func_clock_nanosleep" = xyes
+then :
+  printf "%s\n" "#define HAVE_CLOCK_NANOSLEEP 1" >>confdefs.h
+
+fi
+
+
 ac_config_files="$ac_config_files Makefile src/Makefile src/version.h examples/Makefile iperf3.spec"
 
 cat >confcache <<\_ACEOF
@@ -16622,6 +16880,18 @@ printf %s "checking that generated files are newer than configure... " >&6; }
    fi
    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
 printf "%s\n" "done" >&6; }
+case $enable_silent_rules in # (((
+  yes) AM_DEFAULT_VERBOSITY=0;;
+   no) AM_DEFAULT_VERBOSITY=1;;
+esac
+if test $am_cv_make_support_nested_variables = yes; then
+    AM_V='$(V)'
+  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+  AM_V=$AM_DEFAULT_VERBOSITY
+  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+
  if test -n "$EXEEXT"; then
   am__EXEEXT_TRUE=
   am__EXEEXT_FALSE='#'
diff --git a/examples/Makefile.in b/examples/Makefile.in
index 6e1365b57..bf0968bb9 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.17 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+# Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -70,6 +70,8 @@ am__make_running_with_option = \
   test $$has_opt = yes
 am__make_dryrun = (target_option=n; $(am__make_running_with_option))
 am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+am__rm_f = rm -f $(am__rm_f_notfound)
+am__rm_rf = rm -rf $(am__rm_f_notfound)
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -267,8 +269,10 @@ ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
 am__include = @am__include@
 am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
+am__rm_f_notfound = @am__rm_f_notfound@
 am__tar = @am__tar@
 am__untar = @am__untar@
+am__xargs_n = @am__xargs_n@
 ax_pthread_config = @ax_pthread_config@
 bindir = @bindir@
 build = @build@
@@ -355,13 +359,8 @@ $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 $(am__aclocal_m4_deps):
 
 clean-noinstPROGRAMS:
-	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
-	echo " rm -f" $$list; \
-	rm -f $$list || exit $$?; \
-	test -n "$(EXEEXT)" || exit 0; \
-	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
-	echo " rm -f" $$list; \
-	rm -f $$list
+	$(am__rm_f) $(noinst_PROGRAMS)
+	test -z "$(EXEEXT)" || $(am__rm_f) $(noinst_PROGRAMS:$(EXEEXT)=)
 
 mic$(EXEEXT): $(mic_OBJECTS) $(mic_DEPENDENCIES) $(EXTRA_mic_DEPENDENCIES) 
 	@rm -f mic$(EXEEXT)
@@ -382,7 +381,7 @@ distclean-compile:
 
 $(am__depfiles_remade):
 	@$(MKDIR_P) $(@D)
-	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+	@: >>$@
 
 am--depfiles: $(am__depfiles_remade)
 
@@ -553,8 +552,8 @@ mostlyclean-generic:
 clean-generic:
 
 distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-$(am__rm_f) $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || $(am__rm_f) $(CONFIG_CLEAN_VPATH_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -565,7 +564,7 @@ clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
 	mostlyclean-am
 
 distclean: distclean-am
-		-rm -f ./$(DEPDIR)/mic-mic.Po
+	-rm -f ./$(DEPDIR)/mic-mic.Po
 	-rm -f ./$(DEPDIR)/mis-mis.Po
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
@@ -612,7 +611,7 @@ install-ps-am:
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
-		-rm -f ./$(DEPDIR)/mic-mic.Po
+	-rm -f ./$(DEPDIR)/mic-mic.Po
 	-rm -f ./$(DEPDIR)/mis-mis.Po
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
@@ -654,3 +653,10 @@ uninstall-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:
+
+# Tell GNU make to disable its built-in pattern rules.
+%:: %,v
+%:: RCS/%,v
+%:: RCS/%
+%:: s.%
+%:: SCCS/s.%
diff --git a/src/Makefile.in b/src/Makefile.in
index 981650263..af36b68b9 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# Makefile.in generated by automake 1.17 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+# Copyright (C) 1994-2024 Free Software Foundation, Inc.
 
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -72,6 +72,8 @@ am__make_running_with_option = \
   test $$has_opt = yes
 am__make_dryrun = (target_option=n; $(am__make_running_with_option))
 am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+am__rm_f = rm -f $(am__rm_f_notfound)
+am__rm_rf = rm -rf $(am__rm_f_notfound)
 pkgdatadir = $(datadir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -140,10 +142,9 @@ am__base_list = \
   sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
   sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
 am__uninstall_files_from_dir = { \
-  test -z "$$files" \
-    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
-    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
-         $(am__cd) "$$dir" && rm -f $$files; }; \
+  { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+  || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+       $(am__cd) "$$dir" && echo $$files | $(am__xargs_n) 40 $(am__rm_f); }; \
   }
 LTLIBRARIES = $(lib_LTLIBRARIES)
 libiperf_la_LIBADD =
@@ -433,6 +434,7 @@ am__sh_e_setup = case $$- in *e*) set +e;; esac
 # Default flags passed to test drivers.
 am__common_driver_flags = \
   --color-tests "$$am__color_tests" \
+  $$am__collect_skipped_logs \
   --enable-hard-errors "$$am__enable_hard_errors" \
   --expect-failure "$$am__expect_failure"
 # To be inserted before the command running the test.  Creates the
@@ -457,6 +459,11 @@ if test -f "./$$f"; then dir=./;			\
 elif test -f "$$f"; then dir=;				\
 else dir="$(srcdir)/"; fi;				\
 tst=$$dir$$f; log='$@'; 				\
+if test -n '$(IGNORE_SKIPPED_LOGS)'; then		\
+  am__collect_skipped_logs='--collect-skipped-logs no';	\
+else							\
+  am__collect_skipped_logs='';				\
+fi;							\
 if test -n '$(DISABLE_HARD_ERRORS)'; then		\
   am__enable_hard_errors=no; 				\
 else							\
@@ -595,8 +602,10 @@ ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
 am__include = @am__include@
 am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
+am__rm_f_notfound = @am__rm_f_notfound@
 am__tar = @am__tar@
 am__untar = @am__untar@
+am__xargs_n = @am__xargs_n@
 ax_pthread_config = @ax_pthread_config@
 bindir = @bindir@
 build = @build@
@@ -760,12 +769,12 @@ iperf_config.h: stamp-h1
 	@test -f $@ || $(MAKE) $(AM_MAKEFLAGS) stamp-h1
 
 stamp-h1: $(srcdir)/iperf_config.h.in $(top_builddir)/config.status
-	@rm -f stamp-h1
-	cd $(top_builddir) && $(SHELL) ./config.status src/iperf_config.h
+	$(AM_V_at)rm -f stamp-h1
+	$(AM_V_GEN)cd $(top_builddir) && $(SHELL) ./config.status src/iperf_config.h
 $(srcdir)/iperf_config.h.in: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) 
-	($(am__cd) $(top_srcdir) && $(AUTOHEADER))
-	rm -f stamp-h1
-	touch $@
+	$(AM_V_GEN)($(am__cd) $(top_srcdir) && $(AUTOHEADER))
+	$(AM_V_at)rm -f stamp-h1
+	$(AM_V_at)touch $@
 
 distclean-hdr:
 	-rm -f iperf_config.h stamp-h1
@@ -810,25 +819,15 @@ uninstall-binPROGRAMS:
 	`; \
 	test -n "$$list" || exit 0; \
 	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
-	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+	cd "$(DESTDIR)$(bindir)" && $(am__rm_f) $$files
 
 clean-binPROGRAMS:
-	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
-	echo " rm -f" $$list; \
-	rm -f $$list || exit $$?; \
-	test -n "$(EXEEXT)" || exit 0; \
-	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
-	echo " rm -f" $$list; \
-	rm -f $$list
+	$(am__rm_f) $(bin_PROGRAMS)
+	test -z "$(EXEEXT)" || $(am__rm_f) $(bin_PROGRAMS:$(EXEEXT)=)
 
 clean-noinstPROGRAMS:
-	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
-	echo " rm -f" $$list; \
-	rm -f $$list || exit $$?; \
-	test -n "$(EXEEXT)" || exit 0; \
-	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
-	echo " rm -f" $$list; \
-	rm -f $$list
+	$(am__rm_f) $(noinst_PROGRAMS)
+	test -z "$(EXEEXT)" || $(am__rm_f) $(noinst_PROGRAMS:$(EXEEXT)=)
 
 install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	@$(NORMAL_INSTALL)
@@ -855,15 +854,13 @@ uninstall-libLTLIBRARIES:
 	done
 
 clean-libLTLIBRARIES:
-	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+	-$(am__rm_f) $(lib_LTLIBRARIES)
 	@list='$(lib_LTLIBRARIES)'; \
 	locs=`for p in $$list; do echo $$p; done | \
 	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
 	      sort -u`; \
-	test -z "$$locs" || { \
-	  echo rm -f $${locs}; \
-	  rm -f $${locs}; \
-	}
+	echo rm -f $${locs}; \
+	$(am__rm_f) $${locs}
 
 libiperf.la: $(libiperf_la_OBJECTS) $(libiperf_la_DEPENDENCIES) $(EXTRA_libiperf_la_DEPENDENCIES) 
 	$(AM_V_CCLD)$(LINK) -rpath $(libdir) $(libiperf_la_OBJECTS) $(libiperf_la_LIBADD) $(LIBS)
@@ -948,7 +945,7 @@ distclean-compile:
 
 $(am__depfiles_remade):
 	@$(MKDIR_P) $(@D)
-	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+	@: >>$@
 
 am--depfiles: $(am__depfiles_remade)
 
@@ -1501,7 +1498,6 @@ distclean-tags:
 am--fnord $(TEST_LOGS) $(TEST_LOGS:.log=.trs): $(am__force_recheck)
 am--force-recheck:
 	@:
-
 $(TEST_SUITE_LOG): $(TEST_LOGS)
 	@$(am__set_TESTS_bases); \
 	am__f_ok () { test -f "$$1" && test -r "$$1"; }; \
@@ -1577,10 +1573,37 @@ $(TEST_SUITE_LOG): $(TEST_LOGS)
 	  result_count $$1 "XPASS:" $$xpass "$$red"; \
 	  result_count $$1 "ERROR:" $$error "$$mgn"; \
 	}; \
+	output_system_information () \
+	{ \
+          echo;                                     \
+	  { uname -a | $(AWK) '{                    \
+  printf "System information (uname -a):";          \
+  for (i = 1; i < NF; ++i)                          \
+    {                                               \
+      if (i != 2)                                   \
+        printf " %s", $$i;                          \
+    }                                               \
+  printf "\n";                                      \
+}'; } 2>&1;                                         \
+	  if test -r /etc/os-release; then          \
+	    echo "Distribution information (/etc/os-release):"; \
+	    sed 8q /etc/os-release;                 \
+	  elif test -r /etc/issue; then             \
+	    echo "Distribution information (/etc/issue):";      \
+	    cat /etc/issue;                         \
+	  fi;                                       \
+	}; \
+	please_report () \
+	{ \
+echo "Some test(s) failed.  Please report this to $(PACKAGE_BUGREPORT),";    \
+echo "together with the test-suite.log file (gzipped) and your system";      \
+echo "information.  Thanks.";                                                \
+	}; \
 	{								\
 	  echo "$(PACKAGE_STRING): $(subdir)/$(TEST_SUITE_LOG)" |	\
 	    $(am__rst_title);						\
 	  create_testsuite_report --no-color;				\
+	  output_system_information;                                    \
 	  echo;								\
 	  echo ".. contents:: :depth: 2";				\
 	  echo;								\
@@ -1600,26 +1623,25 @@ $(TEST_SUITE_LOG): $(TEST_LOGS)
 	create_testsuite_report --maybe-color;				\
 	echo "$$col$$br$$std";						\
 	if $$success; then :; else					\
-	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG)$${std}";		\
+	  echo "$${col}See $(subdir)/$(TEST_SUITE_LOG) for debugging.$${std}";\
 	  if test -n "$(PACKAGE_BUGREPORT)"; then			\
-	    echo "$${col}Please report to $(PACKAGE_BUGREPORT)$${std}";	\
+	    please_report | sed -e "s/^/$${col}/" -e s/'$$'/"$${std}"/; \
 	  fi;								\
 	  echo "$$col$$br$$std";					\
 	fi;								\
 	$$success || exit 1
 
 check-TESTS: 
-	@list='$(RECHECK_LOGS)';           test -z "$$list" || rm -f $$list
-	@list='$(RECHECK_LOGS:.log=.trs)'; test -z "$$list" || rm -f $$list
-	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@$(am__rm_f) $(RECHECK_LOGS)
+	@$(am__rm_f) $(RECHECK_LOGS:.log=.trs)
+	@$(am__rm_f) $(TEST_SUITE_LOG)
 	@set +e; $(am__set_TESTS_bases); \
 	log_list=`for i in $$bases; do echo $$i.log; done`; \
-	trs_list=`for i in $$bases; do echo $$i.trs; done`; \
-	log_list=`echo $$log_list`; trs_list=`echo $$trs_list`; \
+	log_list=`echo $$log_list`; \
 	$(MAKE) $(AM_MAKEFLAGS) $(TEST_SUITE_LOG) TEST_LOGS="$$log_list"; \
 	exit $$?;
 recheck: all 
-	@test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	@$(am__rm_f) $(TEST_SUITE_LOG)
 	@set +e; $(am__set_TESTS_bases); \
 	bases=`for i in $$bases; do echo $$i; done \
 	         | $(am__list_recheck_tests)` || exit 1; \
@@ -1742,15 +1764,15 @@ install-strip:
 	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
 	fi
 mostlyclean-generic:
-	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
-	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
-	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+	-$(am__rm_f) $(TEST_LOGS)
+	-$(am__rm_f) $(TEST_LOGS:.log=.trs)
+	-$(am__rm_f) $(TEST_SUITE_LOG)
 
 clean-generic:
 
 distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-$(am__rm_f) $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || $(am__rm_f) $(CONFIG_CLEAN_VPATH_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -1761,7 +1783,7 @@ clean-am: clean-binPROGRAMS clean-generic clean-libLTLIBRARIES \
 	clean-libtool clean-noinstPROGRAMS mostlyclean-am
 
 distclean: distclean-am
-		-rm -f ./$(DEPDIR)/cjson.Plo
+	-rm -f ./$(DEPDIR)/cjson.Plo
 	-rm -f ./$(DEPDIR)/dscp.Plo
 	-rm -f ./$(DEPDIR)/iperf3-main.Po
 	-rm -f ./$(DEPDIR)/iperf3_profile-cjson.Po
@@ -1849,7 +1871,7 @@ install-ps-am:
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
-		-rm -f ./$(DEPDIR)/cjson.Plo
+	-rm -f ./$(DEPDIR)/cjson.Plo
 	-rm -f ./$(DEPDIR)/dscp.Plo
 	-rm -f ./$(DEPDIR)/iperf3-main.Po
 	-rm -f ./$(DEPDIR)/iperf3_profile-cjson.Po
@@ -1941,3 +1963,10 @@ uninstall-man: uninstall-man1 uninstall-man3
 # 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:
+
+# Tell GNU make to disable its built-in pattern rules.
+%:: %,v
+%:: RCS/%,v
+%:: RCS/%
+%:: s.%
+%:: SCCS/s.%
diff --git a/src/iperf_config.h.in b/src/iperf_config.h.in
index c85b19521..217aee3db 100644
--- a/src/iperf_config.h.in
+++ b/src/iperf_config.h.in
@@ -3,6 +3,9 @@
 /* Define to 1 if you have the 'clock_gettime' function. */
 #undef HAVE_CLOCK_GETTIME
 
+/* Define to 1 if you have the 'clock_nanosleep' function. */
+#undef HAVE_CLOCK_NANOSLEEP
+
 /* Define to 1 if you have the 'cpuset_setaffinity' function. */
 #undef HAVE_CPUSET_SETAFFINITY
 
@@ -42,6 +45,9 @@
 /* Define to 1 if you have the <linux/tcp.h> header file. */
 #undef HAVE_LINUX_TCP_H
 
+/* Define to 1 if you have the 'nanosleep' function. */
+#undef HAVE_NANOSLEEP
+
 /* Define to 1 if you have the <netinet/sctp.h> header file. */
 #undef HAVE_NETINET_SCTP_H