Merging upstream version 2.52+20240618.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-08-26 10:27:05 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-08-26 10:27:05 +0000
commit: b44629ad9c25672144b704537a9c6745afd7bc39 (patch)
tree: 03c8aac812988cee38a264245a2a9844d0ce315d
parent: Releasing progress-linux version 2.52+20231210-1~progress7.99u1. (diff)
download: autoconf-dickey-b44629ad9c25672144b704537a9c6745afd7bc39.tar.xz
autoconf-dickey-b44629ad9c25672144b704537a9c6745afd7bc39.zip
19 files changed, 171 insertions, 137 deletions
diff --git a/ChangeLog b/ChangeLog
index 6cbbf99..7df0f10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,18 @@
 -- vile:fk=utf-8
+2024-06-18  Thomas E. Dickey <dickey@invisible-island.net>
+	Version 2.52.20240618.
+
+	modify line-continuation handling in AC_SUBST to accept input which
+	has no trailing backslashes.
+
+2024-04-06  Thomas E. Dickey <dickey@invisible-island.net>
+	Version 2.52.20240406.
+
+	warn about any of the plethora of groff-specific options which are not
+	supported
+
+	initialize the dummy variable in AC_TYPE_SIGNAL (Urs Janßen).
+
 2023-12-10  Thomas E. Dickey <dickey@invisible-island.net>
 	Version 2.52.20231210.
 
diff --git a/acgeneral.m4 b/acgeneral.m4
index 5f8aa69..77b0499 100644
--- a/acgeneral.m4
+++ b/acgeneral.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Parameterized macros.
 #------------------------------------------------------------------------------
-# Copyright 2003-2022,2023 Thomas E. Dickey
+# Copyright 2003-2023,2024 Thomas E. Dickey
 # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 # Free Software Foundation, Inc.
 #
@@ -1020,6 +1020,10 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
+  -*dir | -dvi* | -doc* | -html* | -local* | -pdf* | -ps* )
+    AC_MSG_WARN([unsupported option: $ac_option])
+    ;;
+
   -*) AC_MSG_ERROR([unrecognized option: $ac_option
 Try `$[0] --help' for more information.])
     ;;
@@ -2076,7 +2080,7 @@ m4_define([_AC_SUBST_SED_PROGRAM])
 # AC_SUBST(VARIABLE, [VALUE])
 # ---------------------------
 # Create an output variable from a shell VARIABLE.  If VALUE is given
-# assign it to VARIABLE.  Use `""' is you want to set VARIABLE to an
+# assign it to VARIABLE.  Use `""' if you want to set VARIABLE to an
 # empty value, not an empty second argument.
 #
 # Beware that if you change this macro, you also have to change the
@@ -3998,14 +4002,14 @@ dnl Here, there are 2 cmd per line, and two cmd are added later.
       # is no need to browse any of the substitutions).
       # These are the two extra sed commands mentioned above.
       (echo [':t
-  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b'] && cat "$tmp"/subs.frag) >"$tmp"/subs-$ac_sed_frag.sed
+  /@[a-zA-Z_][a-zA-Z_0-9]*@/!b'] && sed -e 's/[\\][\\]*$//g' -e 's/$/\\/' -e 's/;t t\\/;t t/' -e 't' -e '3,'$ac_max_sed_lines's/$/\\/' "$tmp"/subs.frag) >"$tmp"/subs-$ac_sed_frag.sed
       # It is possible to make a multiline substitution using escaped newlines.
       # Ensure that we do not split the substitution between script fragments.
       ac_BEG=$ac_end
       ac_END=`expr "$ac_end" + "$ac_max_sed_lines"`
       sed "1,${ac_BEG}d; ${ac_END}p; q" "$tmp"/subs.sed >"$tmp"/subs.next
       if test -s "$tmp"/subs.next; then
-        grep '^s,@[[^@,]][[^@,]]*@,.*\\$' "$tmp"/subs.next >"$tmp"/subs.edit
+        grep '^s,@[[^@,]][[^@,]]*@,.*$' "$tmp"/subs.next | grep -v '^s,@.*;t t$' >"$tmp"/subs.edit
         if test ! -s "$tmp"/subs.edit; then
           grep "^s,@[[^@,]][[^@,]]*@,.*,;t t$" "$tmp"/subs.next >"$tmp"/subs.edit
           if test ! -s "$tmp"/subs.edit; then
diff --git a/actypes.m4 b/actypes.m4
index 48a4d07..b7ba393 100644
--- a/actypes.m4
+++ b/actypes.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Type related macros: existence, sizeof, and structure members.
 #------------------------------------------------------------------------------
-# Copyright 2020-2022,2023	Thomas E. Dickey
+# Copyright 2020-2023,2024	Thomas E. Dickey
 # Copyright 2000, 2001
 # Free Software Foundation, Inc.
 #
@@ -324,7 +324,7 @@ AC_DEFUN([AC_TYPE_SIGNAL],
 #endif
 extern void (*signal (int, void (*)(int)))(int);
 ],
-                 [int i; (void) i])],
+                 [int i = 0; (void) i])],
                    [ac_cv_type_signal=void],
                    [ac_cv_type_signal=int])])
 AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal,
diff --git a/acversion.m4 b/acversion.m4
index 2aebe18..56a333f 100644
--- a/acversion.m4
+++ b/acversion.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                             -*- Autoconf -*-
 # Version of Autoconf.
 #------------------------------------------------------------------------------
-# Copyright 2003-2022,2023	Thomas E. Dickey
+# Copyright 2003-2023,2024	Thomas E. Dickey
 # Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
 
-m4_define([AC_ACVERSION], [2.52.20231210])
+m4_define([AC_ACVERSION], [2.52.20240618])
diff --git a/autoconf.in b/autoconf.in
index 1140ff9..ad5f10d 100644
--- a/autoconf.in
+++ b/autoconf.in
@@ -3,7 +3,7 @@
 # vile:shmode:
 # autoconf -- create `configure' using m4 macros
 #------------------------------------------------------------------------------
-# Copyright 2003-2022,2023	Thomas E. Dickey
+# Copyright 2003-2023,2024	Thomas E. Dickey
 # Copyright 1992, 1993, 1994, 1996, 1999, 2000, 2001
 # Free Software Foundation, Inc.
 
@@ -41,7 +41,7 @@ Operation modes:
   -W, --warnings=CATEGORY  report the warnings falling in CATEGORY [syntax]
 
 Options:
-  -opt-functions           use shell-functions to reduce repetition
+  --opt-functions          use shell-functions to reduce repetition
 
 Warning categories include:
   \`cross'         cross compilation issues
diff --git a/configure b/configure
index 07ee6b5..25934b6 100755
--- a/configure
+++ b/configure
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by Autoconf 2.52.20231210 for GNU Autoconf 2.52.20231210.
+# Generated by Autoconf 2.52.20240618 for GNU Autoconf 2.52.20240618.
 #
 # Report bugs to <dickey@invisible-island.net>.
 #
-# Copyright 2003-2022,2023	Thomas E. Dickey
+# Copyright 2003-2023,2024	Thomas E. Dickey
 # Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
 # Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
@@ -153,8 +153,8 @@ mandir='${datarootdir}/man'
 # Identity of this package.
 PACKAGE_NAME='GNU Autoconf'
 PACKAGE_TARNAME='autoconf'
-PACKAGE_VERSION='2.52.20231210'
-PACKAGE_STRING='GNU Autoconf 2.52.20231210'
+PACKAGE_VERSION='2.52.20240618'
+PACKAGE_STRING='GNU Autoconf 2.52.20240618'
 PACKAGE_BUGREPORT='dickey@invisible-island.net'
 
 ac_prev=
@@ -446,6 +446,10 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
+  -*dir | -dvi* | -doc* | -html* | -local* | -pdf* | -ps* )
+    echo "$as_me: WARNING: unsupported option: $ac_option" >&2
+    ;;
+
   -*) { echo "$as_me: error: unrecognized option: $ac_option
 Try \`$0 --help' for more information." >&2
    { (exit 1); exit 1; }; }
@@ -567,7 +571,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<EOF
-\`configure' configures GNU Autoconf 2.52.20231210 to adapt to many kinds of systems.
+\`configure' configures GNU Autoconf 2.52.20240618 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -631,7 +635,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case "$ac_init_help" in
-     short | recursive ) echo "Configuration of GNU Autoconf 2.52.20231210:";;
+     short | recursive ) echo "Configuration of GNU Autoconf 2.52.20240618:";;
    esac
   cat <<\EOF
 
@@ -678,8 +682,8 @@ fi
 test -n "$ac_init_help" && exit 0
 if "$ac_init_version"; then
   cat <<\EOF
-GNU Autoconf configure 2.52.20231210
-generated by GNU Autoconf 2.52.20231210
+GNU Autoconf configure 2.52.20240618
+generated by GNU Autoconf 2.52.20240618
 
 Copyright 2003-2022,2023	Thomas E. Dickey
 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
@@ -694,8 +698,8 @@ cat >&5 <<EOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by GNU Autoconf $as_me 2.52.20231210, which was
-generated by GNU Autoconf 2.52.20231210.  Invocation command line was
+It was created by GNU Autoconf $as_me 2.52.20240618, which was
+generated by GNU Autoconf 2.52.20240618.  Invocation command line was
 
   $ $0 $@
 
@@ -819,7 +823,7 @@ if test -z "$CONFIG_SITE"; then
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
-    { echo "$as_me:822: loading site script $ac_site_file" >&5
+    { echo "$as_me:826: loading site script $ac_site_file" >&5
 echo "$as_me: loading site script $ac_site_file" >&6;}
     cat "$ac_site_file" >&5
     . "$ac_site_file"
@@ -830,7 +834,7 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special
   # files actually), so we avoid doing that.
   if test -f "$cache_file"; then
-    { echo "$as_me:833: loading cache $cache_file" >&5
+    { echo "$as_me:837: loading cache $cache_file" >&5
 echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . $cache_file;;
@@ -838,7 +842,7 @@ echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { echo "$as_me:841: creating cache $cache_file" >&5
+  { echo "$as_me:845: creating cache $cache_file" >&5
 echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -854,21 +858,21 @@ for ac_var in `(set) 2>&1 |
   eval ac_new_val="\$ac_env_${ac_var}_value"
   case "$ac_old_set,$ac_new_set" in
     set,)
-      { echo "$as_me:857: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { echo "$as_me:861: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { echo "$as_me:861: error: \`$ac_var' was not set in the previous run" >&5
+      { echo "$as_me:865: error: \`$ac_var' was not set in the previous run" >&5
 echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
-        { echo "$as_me:867: error: \`$ac_var' has changed since the previous run:" >&5
+        { echo "$as_me:871: error: \`$ac_var' has changed since the previous run:" >&5
 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
-        { echo "$as_me:869:   former value:  $ac_old_val" >&5
+        { echo "$as_me:873:   former value:  $ac_old_val" >&5
 echo "$as_me:   former value:  $ac_old_val" >&2;}
-        { echo "$as_me:871:   current value: $ac_new_val" >&5
+        { echo "$as_me:875:   current value: $ac_new_val" >&5
 echo "$as_me:   current value: $ac_new_val" >&2;}
         ac_cache_corrupted=:
       fi;;
@@ -887,9 +891,9 @@ echo "$as_me:   current value: $ac_new_val" >&2;}
   fi
 done
 if "$ac_cache_corrupted"; then
-  { echo "$as_me:890: error: changes in the environment can compromise the build" >&5
+  { echo "$as_me:894: error: changes in the environment can compromise the build" >&5
 echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { echo "$as_me:892: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+  { { echo "$as_me:896: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
 echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -918,10 +922,10 @@ esac
 echo "#! $SHELL" >conftest.sh
 echo  "exit 0"   >>conftest.sh
 chmod +x conftest.sh
-if { (echo "$as_me:921: PATH=\".;.\"; conftest.sh") >&5
+if { (echo "$as_me:925: PATH=\".;.\"; conftest.sh") >&5
   (PATH=".;."; conftest.sh) 2>&5
   ac_status=$?
-  echo "$as_me:924: \$? = $ac_status" >&5
+  echo "$as_me:928: \$? = $ac_status" >&5
   (exit "$ac_status"); }; then
   ac_path_separator=';'
 else
@@ -947,7 +951,7 @@ for ac_dir in config $srcdir/config; do
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { echo "$as_me:950: error: cannot find install-sh or install.sh in config $srcdir/config" >&5
+  { { echo "$as_me:954: error: cannot find install-sh or install.sh in config $srcdir/config" >&5
 echo "$as_me: error: cannot find install-sh or install.sh in config $srcdir/config" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -967,7 +971,7 @@ ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:970: checking for a BSD compatible install" >&5
+echo "$as_me:974: checking for a BSD compatible install" >&5
 echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
 if test "${ac_cv_path_install+set}" = set; then
@@ -1016,7 +1020,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:1019: result: $INSTALL" >&5
+echo "$as_me:1023: result: $INSTALL" >&5
 echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -1027,7 +1031,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-echo "$as_me:1030: checking whether build environment is sane" >&5
+echo "$as_me:1034: checking whether build environment is sane" >&5
 echo $ECHO_N "checking whether build environment is sane... $ECHO_C" >&6
 # Just in case
 sleep 1
@@ -1050,7 +1054,7 @@ if (
       # if, for instance, CONFIG_SHELL is bash and it inherits a
       # broken ls alias from the environment.  This has actually
       # happened.  Such a system could not be considered "sane".
-      { { echo "$as_me:1053: error: ls -t appears to fail.  Make sure there is not a broken
+      { { echo "$as_me:1057: error: ls -t appears to fail.  Make sure there is not a broken
 alias in your environment" >&5
 echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
 alias in your environment" >&2;}
@@ -1063,14 +1067,14 @@ then
    # Ok.
    :
 else
-   { { echo "$as_me:1066: error: newly created file is older than distributed files!
+   { { echo "$as_me:1070: error: newly created file is older than distributed files!
 Check your system clock" >&5
 echo "$as_me: error: newly created file is older than distributed files!
 Check your system clock" >&2;}
    { (exit 1); exit 1; }; }
 fi
 rm -f conftest*
-echo "$as_me:1073: result: yes" >&5
+echo "$as_me:1077: result: yes" >&5
 echo "${ECHO_T}yes" >&6
 test "$program_prefix" != NONE &&
   program_transform_name="s,^,$program_prefix,;$program_transform_name"
@@ -1093,11 +1097,11 @@ if eval "$MISSING --run true"; then
 else
   am_missing_run=
   am_backtick='`'
-  { echo "$as_me:1096: WARNING: ${am_backtick}missing' script is too old or missing" >&5
+  { echo "$as_me:1100: WARNING: ${am_backtick}missing' script is too old or missing" >&5
 echo "$as_me: WARNING: ${am_backtick}missing' script is too old or missing" >&2;}
 fi
 
-echo "$as_me:1100: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "$as_me:1104: checking whether ${MAKE-make} sets \${MAKE}" >&5
 echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'`
 if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
@@ -1117,21 +1121,21 @@ fi
 rm -f conftest.make
 fi
 if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
-  echo "$as_me:1120: result: yes" >&5
+  echo "$as_me:1124: result: yes" >&5
 echo "${ECHO_T}yes" >&6
   SET_MAKE=
 else
-  echo "$as_me:1124: result: no" >&5
+  echo "$as_me:1128: result: no" >&5
 echo "${ECHO_T}no" >&6
   SET_MAKE="MAKE=${MAKE-make}"
 fi
 
 PACKAGE=autoconf
 
-VERSION=2.52.20231210
+VERSION=2.52.20240618
 
 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
-  { { echo "$as_me:1134: error: source directory already configured; run \"make distclean\" there first" >&5
+  { { echo "$as_me:1138: error: source directory already configured; run \"make distclean\" there first" >&5
 echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1166,7 +1170,7 @@ AUTOTEST_PATH=..
 
 # Extract the first word of "expr", so it can be a program name with args.
 set dummy expr; ac_word=$2
-echo "$as_me:1169: checking for $ac_word" >&5
+echo "$as_me:1173: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_EXPR+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1183,7 +1187,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_EXPR="$ac_dir/$ac_word"
-   echo "$as_me:1186: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1190: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1194,10 +1198,10 @@ fi
 EXPR=$ac_cv_path_EXPR
 
 if test -n "$EXPR"; then
-  echo "$as_me:1197: result: $EXPR" >&5
+  echo "$as_me:1201: result: $EXPR" >&5
 echo "${ECHO_T}$EXPR" >&6
 else
-  echo "$as_me:1200: result: no" >&5
+  echo "$as_me:1204: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1209,7 +1213,7 @@ for ac_prog in gm4 gnum4 m4
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1212: checking for $ac_word" >&5
+echo "$as_me:1216: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_M4+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1226,7 +1230,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_M4="$ac_dir/$ac_word"
-   echo "$as_me:1229: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1233: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1237,10 +1241,10 @@ fi
 M4=$ac_cv_path_M4
 
 if test -n "$M4"; then
-  echo "$as_me:1240: result: $M4" >&5
+  echo "$as_me:1244: result: $M4" >&5
 echo "${ECHO_T}$M4" >&6
 else
-  echo "$as_me:1243: result: no" >&5
+  echo "$as_me:1247: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1248,7 +1252,7 @@ fi
 done
 test -n "$M4" || M4="m4"
 
-echo "$as_me:1251: checking version of $M4" >&5
+echo "$as_me:1255: checking version of $M4" >&5
 echo $ECHO_N "checking version of $M4... $ECHO_C" >&6
 if test "${ac_cv_m4_version+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1258,9 +1262,9 @@ else
 	test -z "$ac_cv_m4_version" && ac_cv_m4_version=unknown
 
 fi
-echo "$as_me:1261: result: $ac_cv_m4_version" >&5
+echo "$as_me:1265: result: $ac_cv_m4_version" >&5
 echo "${ECHO_T}$ac_cv_m4_version" >&6
-echo "$as_me:1263: checking whether $M4 supports frozen files" >&5
+echo "$as_me:1267: checking whether $M4 supports frozen files" >&5
 echo $ECHO_N "checking whether $M4 supports frozen files... $ECHO_C" >&6
 if test "${ac_cv_prog_gnu_m4+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1272,10 +1276,10 @@ if test x"$M4" != x; then
   esac
 fi
 fi
-echo "$as_me:1275: result: $ac_cv_prog_gnu_m4" >&5
+echo "$as_me:1279: result: $ac_cv_prog_gnu_m4" >&5
 echo "${ECHO_T}$ac_cv_prog_gnu_m4" >&6
 if test x"$ac_cv_prog_gnu_m4" != xyes; then
-  { { echo "$as_me:1278: error: GNU m4 1.4 is required" >&5
+  { { echo "$as_me:1282: error: GNU m4 1.4 is required" >&5
 echo "$as_me: error: GNU m4 1.4 is required" >&2;}
    { (exit 1); exit 1; }; }
 fi
@@ -1287,7 +1291,7 @@ for ac_prog in mawk gawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1290: checking for $ac_word" >&5
+echo "$as_me:1294: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_AWK+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1302,7 +1306,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_AWK="$ac_prog"
-echo "$as_me:1305: found $ac_dir/$ac_word" >&5
+echo "$as_me:1309: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1310,10 +1314,10 @@ fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  echo "$as_me:1313: result: $AWK" >&5
+  echo "$as_me:1317: result: $AWK" >&5
 echo "${ECHO_T}$AWK" >&6
 else
-  echo "$as_me:1316: result: no" >&5
+  echo "$as_me:1320: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1322,7 +1326,7 @@ done
 
 # Some AWK fail
 if echo xfoo | $AWK '/foo|^bar$/ { print }' | grep xfoo >/dev/null; then :; else
-  { { echo "$as_me:1325: error: the regex engine of $AWK is too broken to be used
+  { { echo "$as_me:1329: error: the regex engine of $AWK is too broken to be used
                 you might want to install GNU AWK" >&5
 echo "$as_me: error: the regex engine of $AWK is too broken to be used
                 you might want to install GNU AWK" >&2;}
@@ -1334,7 +1338,7 @@ for ac_prog in ggrep grep
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1337: checking for $ac_word" >&5
+echo "$as_me:1341: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_prog_GREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1349,7 +1353,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   $as_executable_p "$ac_dir/$ac_word" || continue
 ac_cv_prog_GREP="$ac_prog"
-echo "$as_me:1352: found $ac_dir/$ac_word" >&5
+echo "$as_me:1356: found $ac_dir/$ac_word" >&5
 break
 done
 
@@ -1357,10 +1361,10 @@ fi
 fi
 GREP=$ac_cv_prog_GREP
 if test -n "$GREP"; then
-  echo "$as_me:1360: result: $GREP" >&5
+  echo "$as_me:1364: result: $GREP" >&5
 echo "${ECHO_T}$GREP" >&6
 else
-  echo "$as_me:1363: result: no" >&5
+  echo "$as_me:1367: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1368,7 +1372,7 @@ fi
 done
 test -n "$GREP" || GREP=": "
 
-echo "$as_me:1371: checking for egrep" >&5
+echo "$as_me:1375: checking for egrep" >&5
 echo $ECHO_N "checking for egrep... $ECHO_C" >&6
 if test "${ac_cv_path_EGREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1380,7 +1384,7 @@ else
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1383: checking for $ac_word" >&5
+echo "$as_me:1387: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_EGREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1397,7 +1401,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_EGREP="$ac_dir/$ac_word"
-   echo "$as_me:1400: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1404: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1408,10 +1412,10 @@ fi
 EGREP=$ac_cv_path_EGREP
 
 if test -n "$EGREP"; then
-  echo "$as_me:1411: result: $EGREP" >&5
+  echo "$as_me:1415: result: $EGREP" >&5
 echo "${ECHO_T}$EGREP" >&6
 else
-  echo "$as_me:1414: result: no" >&5
+  echo "$as_me:1418: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1419,12 +1423,12 @@ fi
 done
 test -n "$EGREP" || EGREP=": "
 
-     test "x$ac_cv_path_EGREP" = "x:" && { { echo "$as_me:1422: error: cannot find workable egrep" >&5
+     test "x$ac_cv_path_EGREP" = "x:" && { { echo "$as_me:1426: error: cannot find workable egrep" >&5
 echo "$as_me: error: cannot find workable egrep" >&2;}
    { (exit 1); exit 1; }; }
    fi
 fi
-echo "$as_me:1427: result: $ac_cv_path_EGREP" >&5
+echo "$as_me:1431: result: $ac_cv_path_EGREP" >&5
 echo "${ECHO_T}$ac_cv_path_EGREP" >&6
  EGREP="$ac_cv_path_EGREP"
 
@@ -1435,7 +1439,7 @@ HELP2MAN=${HELP2MAN-"${am_missing_run}help2man"}
 # We use a path for perl so the #! line in autoscan will work.
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
-echo "$as_me:1438: checking for $ac_word" >&5
+echo "$as_me:1442: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_PERL+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1452,7 +1456,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_PERL="$ac_dir/$ac_word"
-   echo "$as_me:1455: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1459: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1464,17 +1468,17 @@ fi
 PERL=$ac_cv_path_PERL
 
 if test -n "$PERL"; then
-  echo "$as_me:1467: result: $PERL" >&5
+  echo "$as_me:1471: result: $PERL" >&5
 echo "${ECHO_T}$PERL" >&6
 else
-  echo "$as_me:1470: result: no" >&5
+  echo "$as_me:1474: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
 if test "$PERL" != no; then
   PERLSCRIPTS="autoscan autoupdate"
 else
-  { echo "$as_me:1477: WARNING: autoscan and autoupdate will not be built since perl is not found" >&5
+  { echo "$as_me:1481: WARNING: autoscan and autoupdate will not be built since perl is not found" >&5
 echo "$as_me: WARNING: autoscan and autoupdate will not be built since perl is not found" >&2;}
 fi
 
@@ -1490,7 +1494,7 @@ fi
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
-echo "$as_me:1493: checking for a BSD compatible install" >&5
+echo "$as_me:1497: checking for a BSD compatible install" >&5
 echo $ECHO_N "checking for a BSD compatible install... $ECHO_C" >&6
 if test -z "$INSTALL"; then
 if test "${ac_cv_path_install+set}" = set; then
@@ -1539,7 +1543,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-echo "$as_me:1542: result: $INSTALL" >&5
+echo "$as_me:1546: result: $INSTALL" >&5
 echo "${ECHO_T}$INSTALL" >&6
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -1550,7 +1554,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
-echo "$as_me:1553: checking for fgrep" >&5
+echo "$as_me:1557: checking for fgrep" >&5
 echo $ECHO_N "checking for fgrep... $ECHO_C" >&6
 if test "${ac_cv_path_FGREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1562,7 +1566,7 @@ else
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1565: checking for $ac_word" >&5
+echo "$as_me:1569: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_FGREP+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1579,7 +1583,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_FGREP="$ac_dir/$ac_word"
-   echo "$as_me:1582: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1586: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1590,10 +1594,10 @@ fi
 FGREP=$ac_cv_path_FGREP
 
 if test -n "$FGREP"; then
-  echo "$as_me:1593: result: $FGREP" >&5
+  echo "$as_me:1597: result: $FGREP" >&5
 echo "${ECHO_T}$FGREP" >&6
 else
-  echo "$as_me:1596: result: no" >&5
+  echo "$as_me:1600: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1601,12 +1605,12 @@ fi
 done
 test -n "$FGREP" || FGREP=": "
 
-     test "x$ac_cv_path_FGREP" = "x:" && { { echo "$as_me:1604: error: cannot find workable fgrep" >&5
+     test "x$ac_cv_path_FGREP" = "x:" && { { echo "$as_me:1608: error: cannot find workable fgrep" >&5
 echo "$as_me: error: cannot find workable fgrep" >&2;}
    { (exit 1); exit 1; }; }
    fi
 fi
-echo "$as_me:1609: result: $ac_cv_path_FGREP" >&5
+echo "$as_me:1613: result: $ac_cv_path_FGREP" >&5
 echo "${ECHO_T}$ac_cv_path_FGREP" >&6
  FGREP="$ac_cv_path_FGREP"
 
@@ -1614,7 +1618,7 @@ for ac_prog in ginstall-info install-info
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-echo "$as_me:1617: checking for $ac_word" >&5
+echo "$as_me:1621: checking for $ac_word" >&5
 echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
 if test "${ac_cv_path_INSTALL_INFO+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -1631,7 +1635,7 @@ for ac_dir in $ac_dummy; do
   test -z "$ac_dir" && ac_dir=.
   if $as_executable_p "$ac_dir/$ac_word"; then
    ac_cv_path_INSTALL_INFO="$ac_dir/$ac_word"
-   echo "$as_me:1634: found $ac_dir/$ac_word" >&5
+   echo "$as_me:1638: found $ac_dir/$ac_word" >&5
    break
 fi
 done
@@ -1642,10 +1646,10 @@ fi
 INSTALL_INFO=$ac_cv_path_INSTALL_INFO
 
 if test -n "$INSTALL_INFO"; then
-  echo "$as_me:1645: result: $INSTALL_INFO" >&5
+  echo "$as_me:1649: result: $INSTALL_INFO" >&5
 echo "${ECHO_T}$INSTALL_INFO" >&6
 else
-  echo "$as_me:1648: result: no" >&5
+  echo "$as_me:1652: result: no" >&5
 echo "${ECHO_T}no" >&6
 fi
 
@@ -1658,7 +1662,7 @@ if test "$INSTALL_INFO" != no; then
 	 ( $INSTALL_INFO --version | $FGREP -i -v debian ) >/dev/null 2>&1; then
      :
   else
-    { echo "$as_me:1661: WARNING: install-info utility not found" >&5
+    { echo "$as_me:1665: WARNING: install-info utility not found" >&5
 echo "$as_me: WARNING: install-info utility not found" >&2;}
 	INSTALL_INFO=no
   fi
@@ -1781,7 +1785,7 @@ rm -f confdef2opt.sed
 : "${CONFIG_STATUS=./config.status}"
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ echo "$as_me:1784: creating $CONFIG_STATUS" >&5
+{ echo "$as_me:1788: creating $CONFIG_STATUS" >&5
 echo "$as_me: creating $CONFIG_STATUS" >&6;}
 cat >"$CONFIG_STATUS" <<_ACEOF
 #! $SHELL
@@ -1908,8 +1912,8 @@ EOF
 
 cat >>"$CONFIG_STATUS" <<EOF
 ac_cs_version="\\
-GNU Autoconf config.status 2.52.20231210
-configured by $0, generated by GNU Autoconf 2.52.20231210,
+GNU Autoconf config.status 2.52.20240618
+configured by $0, generated by GNU Autoconf 2.52.20240618,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 
 Copyright 2003-2022,2023	Thomas E. Dickey
@@ -1954,7 +1958,7 @@ cat >>"$CONFIG_STATUS" <<\EOF
     echo "$ac_cs_version"; exit 0 ;;
   --he | --h)
     # Conflict between --help and --header
-    { { echo "$as_me:1957: error: ambiguous option: $1
+    { { echo "$as_me:1961: error: ambiguous option: $1
 Try \`$0 --help' for more information." >&5
 echo "$as_me: error: ambiguous option: $1
 Try \`$0 --help' for more information." >&2;}
@@ -1973,7 +1977,7 @@ Try \`$0 --help' for more information." >&2;}
     ac_need_defaults=false;;
 
   # This is an error.
-  -*) { { echo "$as_me:1976: error: unrecognized option: $1
+  -*) { { echo "$as_me:1980: error: unrecognized option: $1
 Try \`$0 --help' for more information." >&5
 echo "$as_me: error: unrecognized option: $1
 Try \`$0 --help' for more information." >&2;}
@@ -1992,7 +1996,7 @@ cat >&5 << _ACEOF
 ## Running config.status.  ##
 ## ----------------------- ##
 
-This file was extended by $as_me (GNU Autoconf 2.52.20231210) 2.52.20231210, executed with
+This file was extended by $as_me (GNU Autoconf 2.52.20240618) 2.52.20240618, executed with
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
   CONFIG_LINKS    = $CONFIG_LINKS
@@ -2016,7 +2020,7 @@ do
   "tests/Makefile" ) CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;;
   "tests/atconfig" ) CONFIG_FILES="$CONFIG_FILES tests/atconfig" ;;
   "tests/mktests.sh" ) CONFIG_FILES="$CONFIG_FILES tests/mktests.sh:tests/mktests.in" ;;
-  *) { { echo "$as_me:2019: error: invalid argument: $ac_config_target" >&5
+  *) { { echo "$as_me:2023: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
    { (exit 1); exit 1; }; };;
   esac
@@ -2251,7 +2255,7 @@ done; }
   esac
 
   if test x"$ac_file" != x-; then
-    { echo "$as_me:2254: creating $ac_file" >&5
+    { echo "$as_me:2258: creating $ac_file" >&5
 echo "$as_me: creating $ac_file" >&6;}
     rm -f "$ac_file"
   fi
@@ -2269,7 +2273,7 @@ echo "$as_me: creating $ac_file" >&6;}
       -) echo "$tmp"/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:2272: error: cannot find input file: $f" >&5
+         test -f "$f" || { { echo "$as_me:2276: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo "$f";;
@@ -2282,7 +2286,7 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
            echo "$srcdir/$f"
          else
            # /dev/null tree
-           { { echo "$as_me:2285: error: cannot find input file: $f" >&5
+           { { echo "$as_me:2289: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          fi;;
@@ -2298,7 +2302,7 @@ cat >>"$CONFIG_STATUS" <<\EOF
       if test -n "$ac_seen"; then
         ac_used=`grep '@datarootdir@' "$ac_item"`
         if test -z "$ac_used"; then
-          { echo "$as_me:2301: WARNING: datarootdir was used implicitly but not set:
+          { echo "$as_me:2305: WARNING: datarootdir was used implicitly but not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: datarootdir was used implicitly but not set:
 $ac_seen" >&2;}
@@ -2307,7 +2311,7 @@ $ac_seen" >&2;}
       fi
       ac_seen=`grep '${datarootdir}' "$ac_item"`
       if test -n "$ac_seen"; then
-        { echo "$as_me:2310: WARNING: datarootdir was used explicitly but not set:
+        { echo "$as_me:2314: WARNING: datarootdir was used explicitly but not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: datarootdir was used explicitly but not set:
 $ac_seen" >&2;}
@@ -2352,7 +2356,7 @@ cat >>"$CONFIG_STATUS" <<\EOF
             ac_init=`$EGREP '[ 	]*'$ac_name'[ 	]*=' "$ac_file"`
             if test -z "$ac_init"; then
               ac_seen=`echo "$ac_seen" |sed -e 's,^,'"$ac_file"':,'`
-              { echo "$as_me:2355: WARNING: Variable $ac_name is used but was not set:
+              { echo "$as_me:2359: WARNING: Variable $ac_name is used but was not set:
 $ac_seen" >&5
 echo "$as_me: WARNING: Variable $ac_name is used but was not set:
 $ac_seen" >&2;}
@@ -2363,7 +2367,7 @@ $ac_seen" >&2;}
     $EGREP -n '@[A-Z_][A-Z_0-9]+@' "$ac_file" >>"$tmp"/out
     if test -s "$tmp"/out; then
       ac_seen=`sed -e 's,^,'"$ac_file"':,' < "$tmp"/out`
-      { echo "$as_me:2366: WARNING: Some variables may not be substituted:
+      { echo "$as_me:2370: WARNING: Some variables may not be substituted:
 $ac_seen" >&5
 echo "$as_me: WARNING: Some variables may not be substituted:
 $ac_seen" >&2;}
@@ -2402,7 +2406,7 @@ if test "$no_create" != yes; then
 fi
 
 # Report the state of this version of Autoconf if this is a beta.
-case 2.52.20231210 in
+case 2.52.20240618 in
   *[a-z]*)
     cat <<EOF
 
diff --git a/configure.ac b/configure.ac
index 1235c3b..0e0a2ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,12 +1,12 @@
 #                                                       -*- Autoconf -*-
-# Copyright 2008-2022,2023	Thomas E. Dickey
+# Copyright 2008-2023,2024	Thomas E. Dickey
 #------------------------------------------------------------------------------
 # Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.50)
-AC_INIT(GNU Autoconf, [2.52.20231210], dickey@invisible-island.net)
+AC_INIT(GNU Autoconf, [2.52.20240618], dickey@invisible-island.net)
 AC_CONFIG_SRCDIR(acgeneral.m4)
 AC_CONFIG_AUX_DIR(config)
-AM_INIT_AUTOMAKE(autoconf, [2.52.20231210])
+AM_INIT_AUTOMAKE(autoconf, [2.52.20240618])
 
 # Initialize the test suite.
 AT_CONFIG(..)
diff --git a/doc/autoconf.info b/doc/autoconf.info
index d64dd17..46afdc9 100644
--- a/doc/autoconf.info
+++ b/doc/autoconf.info
@@ -51,8 +51,8 @@ File: autoconf.info,  Node: Top,  Next: Introduction,  Prev: (dir),  Up: (dir)
 
 This file documents the GNU Autoconf package for creating scripts to
 configure source code packages using templates and the GNU M4 macro
-package.  This is edition 2.52.20231210, for Autoconf version
-2.52.20231210.
+package.  This is edition 2.52.20240618, for Autoconf version
+2.52.20240618.
 
 * Menu:
 
@@ -1318,7 +1318,7 @@ Using them is optional.
      than VERSION, print an error message to the standard error output
      and do not create 'configure'.  For example:
 
-          AC_PREREQ(2.52.20231210)
+          AC_PREREQ(2.52.20240618)
 
      This macro is the only macro that may be used before 'AC_INIT', but
      for consistency, you are invited not to do so.
@@ -1341,7 +1341,7 @@ Using them is optional.
 
      For example, this line in 'configure.ac':
 
-          AC_REVISION($Revision: 1.77 $)
+          AC_REVISION($Revision: 1.80 $)
 
      produces this in 'configure':
 
diff --git a/doc/stamp-vti b/doc/stamp-vti
index d854139..76e37d0 100644
--- a/doc/stamp-vti
+++ b/doc/stamp-vti
@@ -1,4 +1,4 @@
 @set UPDATED 2 December 2023
 @set UPDATED-MONTH December 2023
-@set EDITION 2.52.20231210
-@set VERSION 2.52.20231210
+@set EDITION 2.52.20240618
+@set VERSION 2.52.20240618
diff --git a/doc/version.texi b/doc/version.texi
index d854139..76e37d0 100644
--- a/doc/version.texi
+++ b/doc/version.texi
@@ -1,4 +1,4 @@
 @set UPDATED 2 December 2023
 @set UPDATED-MONTH December 2023
-@set EDITION 2.52.20231210
-@set VERSION 2.52.20231210
+@set EDITION 2.52.20240618
+@set VERSION 2.52.20240618
diff --git a/man/autoconf.1 b/man/autoconf.1
index b66ea62..11bfc1e 100644
--- a/man/autoconf.1
+++ b/man/autoconf.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH AUTOCONF "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUTOCONF "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 autoconf \- Generate configuration scripts
 .SH SYNOPSIS
@@ -31,7 +31,7 @@ save output in FILE (stdout is the default)
 report the warnings falling in CATEGORY [syntax]
 .SH OPTIONS
 .TP
-\fB\-opt\-functions\fR
+\fB\-\-opt\-functions\fR
 use shell\-functions to reduce repetition
 .SS "Warning categories include:"
 .TP
diff --git a/man/autoheader.1 b/man/autoheader.1
index 07ddb0c..8090150 100644
--- a/man/autoheader.1
+++ b/man/autoheader.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH AUTOHEADER "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUTOHEADER "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 autoheader \- Create a template header for configure
 .SH SYNOPSIS
diff --git a/man/autoreconf.1 b/man/autoreconf.1
index a98c46f..722bc34 100644
--- a/man/autoreconf.1
+++ b/man/autoreconf.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH AUTORECONF "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUTORECONF "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 autoreconf \- Update generated configuration files
 .SH SYNOPSIS
diff --git a/man/autoscan.1 b/man/autoscan.1
index 8252ae6..82fb304 100644
--- a/man/autoscan.1
+++ b/man/autoscan.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH AUTOSCAN "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUTOSCAN "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 autoscan \- Generate a preliminary configure.in
 .SH SYNOPSIS
diff --git a/man/autoupdate.1 b/man/autoupdate.1
index 0d1f5dd..a31d322 100644
--- a/man/autoupdate.1
+++ b/man/autoupdate.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH AUTOUPDATE "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH AUTOUPDATE "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 autoupdate \- Update a configure.in to a newer Autoconf
 .SH SYNOPSIS
@@ -35,7 +35,7 @@ M4
 GNU M4 1.4 or above
 .TP
 AUTOCONF
-autoconf 2.52.20231210
+autoconf 2.52.20240618
 .SH AUTHOR
 Written by David J. MacKenzie and Akim Demaille.
 .SH "REPORTING BUGS"
diff --git a/man/ifnames.1 b/man/ifnames.1
index 1fd3961..ae3310c 100644
--- a/man/ifnames.1
+++ b/man/ifnames.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.1.
-.TH IFNAMES "1" "December 2023" "GNU Autoconf 2.52.20231210" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH IFNAMES "1" "June 2024" "GNU Autoconf 2.52.20240618" "User Commands"
 .SH NAME
 ifnames \- Extract CPP conditionals from a set of files
 .SH SYNOPSIS
diff --git a/package/ac252.spec b/package/ac252.spec
index 37e5acf..0b6ac0c 100644
--- a/package/ac252.spec
+++ b/package/ac252.spec
@@ -1,9 +1,9 @@
 Summary: autoconf-252 - Generate configuration scripts
 %define AppProgram autoconf
 %define AppVersion 2.52
-%define AppRelease 20231210
+%define AppRelease 20240618
 %define AppSuffix  -252
-# $Id: ac252.spec,v 1.48 2023/12/09 11:52:45 tom Exp $
+# $Id: ac252.spec,v 1.51 2024/06/17 23:31:10 tom Exp $
 Name: ac252
 Version: %{AppVersion}
 Release: %{AppRelease}
diff --git a/package/debian/changelog b/package/debian/changelog
index e045ac8..4f00bde 100644
--- a/package/debian/changelog
+++ b/package/debian/changelog
@@ -1,3 +1,15 @@
+ac252 (20240618) unstable; urgency=low
+
+  * maintenance updates
+
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Fri, 14 Jun 2024 16:08:10 -0400
+
+ac252 (20240406) unstable; urgency=low
+
+  * maintenance updates
+
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Fri, 05 Apr 2024 04:00:27 -0400
+
 ac252 (20231210) unstable; urgency=low
 
   * maintenance updates
diff --git a/package/debian/copyright b/package/debian/copyright
index 1fc6bc2..6a0fc8a 100644
--- a/package/debian/copyright
+++ b/package/debian/copyright
@@ -1,7 +1,7 @@
 Upstream source http://invisible-island.net/autoconf/autoconf.html
 
 -------------------------------------------------------------------------------
-Copyright 2003-2022,2023 Thomas E. Dickey
+Copyright 2003-2023,2024 Thomas E. Dickey
 Copyright 2001 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
@@ -46,7 +46,7 @@ Licence: other-BSD
     shared with many OS's install programs.
 
 Files: debian/*
-Copyright:  2010-2022,2023 Thomas E. Dickey
+Copyright:  2010-2023,2024 Thomas E. Dickey
 Licence: other-BSD
     Permission to use, copy, modify, and distribute this software and its
     documentation for any purpose and without fee is hereby granted,
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-08-26 10:27:05 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-08-26 10:27:05 +0000
commit	b44629ad9c25672144b704537a9c6745afd7bc39 (patch)
tree	03c8aac812988cee38a264245a2a9844d0ce315d
parent	Releasing progress-linux version 2.52+20231210-1~progress7.99u1. (diff)
download	autoconf-dickey-b44629ad9c25672144b704537a9c6745afd7bc39.tar.xz autoconf-dickey-b44629ad9c25672144b704537a9c6745afd7bc39.zip