Ignore:
Timestamp:
Sep 19, 2024, 2:34:43 AM (11 months ago)
Author:
bird
Message:

src/sed: Merged in changes between 4.1.5 and 4.9 from the vendor branch. (svn merge /vendor/sed/4.1.5 /vendor/sed/current .)

Location:
trunk/src/sed
Files:
2 edited

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  • trunk/src/sed

  • trunk/src/sed/aclocal.m4

    r599 r3613  
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    280 # This file is free software; the Free Software Foundation
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    282 # with or without modifications, as long as this notice is preserved.
    283 
    284 #serial 3
     372# Copyright (C) 1999-2022 Free Software Foundation, Inc.
     373#
     374# This file is free software; the Free Software Foundation
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     410    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
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    308   test -z "am__include" && continue
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    313   # $(DEPDIR) in their names.  We invoke sed twice because it is the
    314   # simplest approach to changing $(DEPDIR) to its actual value in the
    315   # expansion.
    316   for file in `sed -n "
    317     s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
    318        sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
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    321     fdir=`AS_DIRNAME(["$file"])`
    322     AS_MKDIR_P([$dirpart/$fdir])
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    324     echo '# dummy' > "$dirpart/$file"
    325   done
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     417  AS_UNSET([am_dirpart])
     418  AS_UNSET([am_filepart])
     419  AS_UNSET([am_mf])
     420  AS_UNSET([am_rc])
     421  rm -f conftest-deps.mk
     422}
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    328424
    … …  
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     430# This code is only required when automatic dependency tracking is enabled.
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     432# order to bootstrap the dependency handling code.
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    341 ])
    342 
    343 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
    344 # Free Software Foundation, Inc.
    345 #
    346 # This file is free software; the Free Software Foundation
    347 # gives unlimited permission to copy and/or distribute it,
    348 # with or without modifications, as long as this notice is preserved.
    349 
    350 # serial 8
    351 
    352 # AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
    353 AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
     436     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
    354437
    355438# Do all the work for Automake.                             -*- Autoconf -*-
    356439
    357 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    358 # Free Software Foundation, Inc.
    359 #
    360 # This file is free software; the Free Software Foundation
    361 # gives unlimited permission to copy and/or distribute it,
    362 # with or without modifications, as long as this notice is preserved.
    363 
    364 # serial 12
     440# Copyright (C) 1996-2022 Free Software Foundation, Inc.
     441#
     442# This file is free software; the Free Software Foundation
     443# gives unlimited permission to copy and/or distribute it,
     444# with or without modifications, as long as this notice is preserved.
    365445
    366446# This macro actually does too much.  Some checks are only needed if
    367447# your package does certain things.  But this isn't really a big deal.
     448
     449dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
     450m4_define([AC_PROG_CC],
     451m4_defn([AC_PROG_CC])
     452[_AM_PROG_CC_C_O
     453])
    368454
    369455# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
    … …  
    379465# release and drop the old call support.
    380466AC_DEFUN([AM_INIT_AUTOMAKE],
    381 [AC_PREREQ([2.58])dnl
     467[AC_PREREQ([2.65])dnl
     468m4_ifdef([_$0_ALREADY_INIT],
     469  [m4_fatal([$0 expanded multiple times
     470]m4_defn([_$0_ALREADY_INIT]))],
     471  [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
    382472dnl Autoconf wants to disallow AM_ names.  We explicitly allow
    383473dnl the ones we care about.
    … …  
    385475AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
    386476AC_REQUIRE([AC_PROG_INSTALL])dnl
    387 # test to see if srcdir already configured
    388 if test "`cd $srcdir && pwd`" != "`pwd`" &&
    389    test -f $srcdir/config.status; then
    390   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
     477if test "`cd $srcdir && pwd`" != "`pwd`"; then
     478  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
     479  # is not polluted with repeated "-I."
     480  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
     481  # test to see if srcdir already configured
     482  if test -f $srcdir/config.status; then
     483    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
     484  fi
    391485fi
    392486
    … …  
    404498dnl Distinguish between old-style and new-style calls.
    405499m4_ifval([$2],
    406 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
     500[AC_DIAGNOSE([obsolete],
     501             [$0: two- and three-arguments forms are deprecated.])
     502m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
    407503 AC_SUBST([PACKAGE], [$1])dnl
    408504 AC_SUBST([VERSION], [$2])],
    409505[_AM_SET_OPTIONS([$1])dnl
     506dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
     507m4_if(
     508  m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]),
     509  [ok:ok],,
     510  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
    410511 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
    411512 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
    412513
    413514_AM_IF_OPTION([no-define],,
    414 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
    415  AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
     515[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
     516 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
    416517
    417518# Some tools Automake needs.
    418519AC_REQUIRE([AM_SANITY_CHECK])dnl
    419520AC_REQUIRE([AC_ARG_PROGRAM])dnl
    420 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
    421 AM_MISSING_PROG(AUTOCONF, autoconf)
    422 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
    423 AM_MISSING_PROG(AUTOHEADER, autoheader)
    424 AM_MISSING_PROG(MAKEINFO, makeinfo)
    425 AM_PROG_INSTALL_SH
    426 AM_PROG_INSTALL_STRIP
    427 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
    428 # We need awk for the "check" target.  The system "awk" is bad on
    429 # some platforms.
     521AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
     522AM_MISSING_PROG([AUTOCONF], [autoconf])
     523AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
     524AM_MISSING_PROG([AUTOHEADER], [autoheader])
     525AM_MISSING_PROG([MAKEINFO], [makeinfo])
     526AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
     527AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
     528AC_REQUIRE([AC_PROG_MKDIR_P])dnl
     529# For better backward compatibility.  To be removed once Automake 1.9.x
     530# dies out for good.  For more background, see:
     531# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
     532# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
     533AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
     534# We need awk for the "check" target (and possibly the TAP driver).  The
     535# system "awk" is bad on some platforms.
    430536AC_REQUIRE([AC_PROG_AWK])dnl
    431537AC_REQUIRE([AC_PROG_MAKE_SET])dnl
    432538AC_REQUIRE([AM_SET_LEADING_DOT])dnl
    433539_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
    434               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
    435                              [_AM_PROG_TAR([v7])])])
     540              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
     541                             [_AM_PROG_TAR([v7])])])
    436542_AM_IF_OPTION([no-dependencies],,
    437543[AC_PROVIDE_IFELSE([AC_PROG_CC],
    438                   [_AM_DEPENDENCIES(CC)],
    439                   [define([AC_PROG_CC],
    440                           defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
     544                  [_AM_DEPENDENCIES([CC])],
     545                  [m4_define([AC_PROG_CC],
     546                             m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
    441547AC_PROVIDE_IFELSE([AC_PROG_CXX],
    442                   [_AM_DEPENDENCIES(CXX)],
    443                   [define([AC_PROG_CXX],
    444                           defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
    445 ])
    446 ])
    447 
     548                  [_AM_DEPENDENCIES([CXX])],
     549                  [m4_define([AC_PROG_CXX],
     550                             m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
     551AC_PROVIDE_IFELSE([AC_PROG_OBJC],
     552                  [_AM_DEPENDENCIES([OBJC])],
     553                  [m4_define([AC_PROG_OBJC],
     554                             m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
     555AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
     556                  [_AM_DEPENDENCIES([OBJCXX])],
     557                  [m4_define([AC_PROG_OBJCXX],
     558                             m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
     559])
     560# Variables for tags utilities; see am/tags.am
     561if test -z "$CTAGS"; then
     562  CTAGS=ctags
     563fi
     564AC_SUBST([CTAGS])
     565if test -z "$ETAGS"; then
     566  ETAGS=etags
     567fi
     568AC_SUBST([ETAGS])
     569if test -z "$CSCOPE"; then
     570  CSCOPE=cscope
     571fi
     572AC_SUBST([CSCOPE])
     573
     574AC_REQUIRE([_AM_SILENT_RULES])dnl
     575dnl The testsuite driver may need to know about EXEEXT, so add the
     576dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
     577dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
     578AC_CONFIG_COMMANDS_PRE(dnl
     579[m4_provide_if([_AM_COMPILER_EXEEXT],
     580  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
     581
     582AC_REQUIRE([_AM_PROG_RM_F])
     583AC_REQUIRE([_AM_PROG_XARGS_N])
     584
     585dnl The trailing newline in this macro's definition is deliberate, for
     586dnl backward compatibility and to allow trailing 'dnl'-style comments
     587dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
     588])
     589
     590dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
     591dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
     592dnl mangled by Autoconf and run in a shell conditional statement.
     593m4_define([_AC_COMPILER_EXEEXT],
     594m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
    448595
    449596# When config.status generates a header, we must update the stamp-h file.
    … …  
    456603AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
    457604[# Compute $1's index in $config_headers.
     605_am_arg=$1
    458606_am_stamp_count=1
    459607for _am_header in $config_headers :; do
    460608  case $_am_header in
    461     $1 | $1:* )
     609    $_am_arg | $_am_arg:* )
    462610      break ;;
    463611    * )
    … …  
    465613  esac
    466614done
    467 echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
    468 
    469 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
     615echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
     616
     617# Copyright (C) 2001-2022 Free Software Foundation, Inc.
    470618#
    471619# This file is free software; the Free Software Foundation
    … …  
    478626AC_DEFUN([AM_PROG_INSTALL_SH],
    479627[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    480 install_sh=${install_sh-"$am_aux_dir/install-sh"}
    481 AC_SUBST(install_sh)])
    482 
    483 # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
    484 #
    485 # This file is free software; the Free Software Foundation
    486 # gives unlimited permission to copy and/or distribute it,
    487 # with or without modifications, as long as this notice is preserved.
    488 
    489 # serial 2
     628if test x"${install_sh+set}" != xset; then
     629  case $am_aux_dir in
     630  *\ * | *\     *)
     631    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
     632  *)
     633    install_sh="\${SHELL} $am_aux_dir/install-sh"
     634  esac
     635fi
     636AC_SUBST([install_sh])])
     637
     638# Copyright (C) 2003-2022 Free Software Foundation, Inc.
     639#
     640# This file is free software; the Free Software Foundation
     641# gives unlimited permission to copy and/or distribute it,
     642# with or without modifications, as long as this notice is preserved.
    490643
    491644# Check whether the underlying file-system supports filenames
    … …  
    504657# Check to see how 'make' treats includes.                  -*- Autoconf -*-
    505658
    506 # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
    507 #
    508 # This file is free software; the Free Software Foundation
    509 # gives unlimited permission to copy and/or distribute it,
    510 # with or without modifications, as long as this notice is preserved.
    511 
    512 # serial 3
     659# Copyright (C) 2001-2022 Free Software Foundation, Inc.
     660#
     661# This file is free software; the Free Software Foundation
     662# gives unlimited permission to copy and/or distribute it,
     663# with or without modifications, as long as this notice is preserved.
    513664
    514665# AM_MAKE_INCLUDE()
    515666# -----------------
    516 # Check to see how make treats includes.
     667# Check whether make has an 'include' directive that can support all
     668# the idioms we need for our automatic dependency tracking code.
    517669AC_DEFUN([AM_MAKE_INCLUDE],
    518 [am_make=${MAKE-make}
    519 cat > confinc << 'END'
     670[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
     671cat > confinc.mk << 'END'
    520672am__doit:
    521         @echo done
     673        @echo this is the am__doit target >confinc.out
    522674.PHONY: am__doit
    523675END
    524 # If we don't find an include directive, just comment out the code.
    525 AC_MSG_CHECKING([for style of include used by $am_make])
    526676am__include="#"
    527677am__quote=
    528 _am_result=none
    529 # First try GNU make style include.
    530 echo "include confinc" > confmf
    531 # We grep out `Entering directory' and `Leaving directory'
    532 # messages which can occur if `w' ends up in MAKEFLAGS.
    533 # In particular we don't look at `^make:' because GNU make might
    534 # be invoked under some other name (usually "gmake"), in which
    535 # case it prints its new name instead of `make'.
    536 if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
    537    am__include=include
    538    am__quote=
    539    _am_result=GNU
    540 fi
    541 # Now try BSD make style include.
    542 if test "$am__include" = "#"; then
    543    echo '.include "confinc"' > confmf
    544    if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
    545       am__include=.include
    546       am__quote="\""
    547       _am_result=BSD
    548    fi
    549 fi
    550 AC_SUBST([am__include])
    551 AC_SUBST([am__quote])
    552 AC_MSG_RESULT([$_am_result])
    553 rm -f confinc confmf
    554 ])
     678# BSD make does it like this.
     679echo '.include "confinc.mk" # ignored' > confmf.BSD
     680# Other make implementations (GNU, Solaris 10, AIX) do it like this.
     681echo 'include confinc.mk # ignored' > confmf.GNU
     682_am_result=no
     683for s in GNU BSD; do
     684  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
     685  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
     686      ['0:this is the am__doit target'],
     687      [AS_CASE([$s],
     688          [BSD], [am__include='.include' am__quote='"'],
     689          [am__include='include' am__quote=''])])
     690  if test "$am__include" != "#"; then
     691    _am_result="yes ($s style)"
     692    break
     693  fi
     694done
     695rm -f confinc.* confmf.*
     696AC_MSG_RESULT([${_am_result}])
     697AC_SUBST([am__include])])
     698AC_SUBST([am__quote])])
    555699
    556700# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
    557701
    558 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
    559 # Free Software Foundation, Inc.
    560 #
    561 # This file is free software; the Free Software Foundation
    562 # gives unlimited permission to copy and/or distribute it,
    563 # with or without modifications, as long as this notice is preserved.
    564 
    565 # serial 4
     702# Copyright (C) 1997-2022 Free Software Foundation, Inc.
     703#
     704# This file is free software; the Free Software Foundation
     705# gives unlimited permission to copy and/or distribute it,
     706# with or without modifications, as long as this notice is preserved.
    566707
    567708# AM_MISSING_PROG(NAME, PROGRAM)
    … …  
    572713AC_SUBST($1)])
    573714
    574 
    575715# AM_MISSING_HAS_RUN
    576716# ------------------
    577 # Define MISSING if not defined so far and test if it supports --run.
    578 # If it does, set am_missing_run to use it, otherwise, to nothing.
     717# Define MISSING if not defined so far and test if it is modern enough.
     718# If it is, set am_missing_run to use it, otherwise, to nothing.
    579719AC_DEFUN([AM_MISSING_HAS_RUN],
    580720[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    581 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
     721AC_REQUIRE_AUX_FILE([missing])dnl
     722if test x"${MISSING+set}" != xset; then
     723  MISSING="\${SHELL} '$am_aux_dir/missing'"
     724fi
    582725# Use eval to expand $SHELL
    583 if eval "$MISSING --run true"; then
    584   am_missing_run="$MISSING --run "
     726if eval "$MISSING --is-lightweight"; then
     727  am_missing_run="$MISSING "
    585728else
    586729  am_missing_run=
    587   AC_MSG_WARN([`missing' script is too old or missing])
    588 fi
    589 ])
    590 
    591 # Copyright (C) 2003, 2004, 2005  Free Software Foundation, Inc.
    592 #
    593 # This file is free software; the Free Software Foundation
    594 # gives unlimited permission to copy and/or distribute it,
    595 # with or without modifications, as long as this notice is preserved.
    596 
    597 # AM_PROG_MKDIR_P
    598 # ---------------
    599 # Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
    600 #
    601 # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
    602 # created by `make install' are always world readable, even if the
    603 # installer happens to have an overly restrictive umask (e.g. 077).
    604 # This was a mistake.  There are at least two reasons why we must not
    605 # use `-m 0755':
    606 #   - it causes special bits like SGID to be ignored,
    607 #   - it may be too restrictive (some setups expect 775 directories).
    608 #
    609 # Do not use -m 0755 and let people choose whatever they expect by
    610 # setting umask.
    611 #
    612 # We cannot accept any implementation of `mkdir' that recognizes `-p'.
    613 # Some implementations (such as Solaris 8's) are not thread-safe: if a
    614 # parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
    615 # concurrently, both version can detect that a/ is missing, but only
    616 # one can create it and the other will error out.  Consequently we
    617 # restrict ourselves to GNU make (using the --version option ensures
    618 # this.)
    619 AC_DEFUN([AM_PROG_MKDIR_P],
    620 [if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
    621   # We used to keeping the `.' as first argument, in order to
    622   # allow $(mkdir_p) to be used without argument.  As in
    623   #   $(mkdir_p) $(somedir)
    624   # where $(somedir) is conditionally defined.  However this is wrong
    625   # for two reasons:
    626   #  1. if the package is installed by a user who cannot write `.'
    627   #     make install will fail,
    628   #  2. the above comment should most certainly read
    629   #     $(mkdir_p) $(DESTDIR)$(somedir)
    630   #     so it does not work when $(somedir) is undefined and
    631   #     $(DESTDIR) is not.
    632   #  To support the latter case, we have to write
    633   #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
    634   #  so the `.' trick is pointless.
    635   mkdir_p='mkdir -p --'
    636 else
    637   # On NextStep and OpenStep, the `mkdir' command does not
    638   # recognize any option.  It will interpret all options as
    639   # directories to create, and then abort because `.' already
    640   # exists.
    641   for d in ./-p ./--version;
    642   do
    643     test -d $d && rmdir $d
    644   done
    645   # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
    646   if test -f "$ac_aux_dir/mkinstalldirs"; then
    647     mkdir_p='$(mkinstalldirs)'
    648   else
    649     mkdir_p='$(install_sh) -d'
    650   fi
    651 fi
    652 AC_SUBST([mkdir_p])])
     730  AC_MSG_WARN(['missing' script is too old or missing])
     731fi
     732])
    653733
    654734# Helper functions for option handling.                     -*- Autoconf -*-
    655735
    656 # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
    657 #
    658 # This file is free software; the Free Software Foundation
    659 # gives unlimited permission to copy and/or distribute it,
    660 # with or without modifications, as long as this notice is preserved.
    661 
    662 # serial 3
     736# Copyright (C) 2001-2022 Free Software Foundation, Inc.
     737#
     738# This file is free software; the Free Software Foundation
     739# gives unlimited permission to copy and/or distribute it,
     740# with or without modifications, as long as this notice is preserved.
    663741
    664742# _AM_MANGLE_OPTION(NAME)
    … …  
    668746
    669747# _AM_SET_OPTION(NAME)
    670 # ------------------------------
     748# --------------------
    671749# Set option NAME.  Presently that only means defining a flag for this option.
    672750AC_DEFUN([_AM_SET_OPTION],
    673 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
     751[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
    674752
    675753# _AM_SET_OPTIONS(OPTIONS)
    676 # ----------------------------------
     754# ------------------------
    677755# OPTIONS is a space-separated list of Automake options.
    678756AC_DEFUN([_AM_SET_OPTIONS],
    679 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
     757[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
    680758
    681759# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
    … …  
    685763[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
    686764
     765# Copyright (C) 1999-2022 Free Software Foundation, Inc.
     766#
     767# This file is free software; the Free Software Foundation
     768# gives unlimited permission to copy and/or distribute it,
     769# with or without modifications, as long as this notice is preserved.
     770
     771# _AM_PROG_CC_C_O
     772# ---------------
     773# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
     774# to automatically call this.
     775AC_DEFUN([_AM_PROG_CC_C_O],
     776[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
     777AC_REQUIRE_AUX_FILE([compile])dnl
     778AC_LANG_PUSH([C])dnl
     779AC_CACHE_CHECK(
     780  [whether $CC understands -c and -o together],
     781  [am_cv_prog_cc_c_o],
     782  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
     783  # Make sure it works both with $CC and with simple cc.
     784  # Following AC_PROG_CC_C_O, we do the test twice because some
     785  # compilers refuse to overwrite an existing .o file with -o,
     786  # though they will create one.
     787  am_cv_prog_cc_c_o=yes
     788  for am_i in 1 2; do
     789    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
     790         && test -f conftest2.$ac_objext; then
     791      : OK
     792    else
     793      am_cv_prog_cc_c_o=no
     794      break
     795    fi
     796  done
     797  rm -f core conftest*
     798  unset am_i])
     799if test "$am_cv_prog_cc_c_o" != yes; then
     800   # Losing compiler, so override with the script.
     801   # FIXME: It is wrong to rewrite CC.
     802   # But if we don't then we get into trouble of one sort or another.
     803   # A longer-term fix would be to have automake use am__CC in this case,
     804   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
     805   CC="$am_aux_dir/compile $CC"
     806fi
     807AC_LANG_POP([C])])
     808
     809# For backward compatibility.
     810AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
     811
     812# Copyright (C) 2022 Free Software Foundation, Inc.
     813#
     814# This file is free software; the Free Software Foundation
     815# gives unlimited permission to copy and/or distribute it,
     816# with or without modifications, as long as this notice is preserved.
     817
     818# _AM_PROG_RM_F
     819# ---------------
     820# Check whether 'rm -f' without any arguments works.
     821# https://bugs.gnu.org/10828
     822AC_DEFUN([_AM_PROG_RM_F],
     823[am__rm_f_notfound=
     824AS_IF([(rm -f && rm -fr && rm -rf) 2>/dev/null], [], [am__rm_f_notfound='""'])
     825AC_SUBST(am__rm_f_notfound)
     826])
     827
     828# Copyright (C) 2001-2022 Free Software Foundation, Inc.
     829#
     830# This file is free software; the Free Software Foundation
     831# gives unlimited permission to copy and/or distribute it,
     832# with or without modifications, as long as this notice is preserved.
     833
     834# AM_RUN_LOG(COMMAND)
     835# -------------------
     836# Run COMMAND, save the exit status in ac_status, and log it.
     837# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
     838AC_DEFUN([AM_RUN_LOG],
     839[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
     840   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
     841   ac_status=$?
     842   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
     843   (exit $ac_status); }])
     844
    687845# Check to make sure that the build environment is sane.    -*- Autoconf -*-
    688846
    689 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
    690 # Free Software Foundation, Inc.
    691 #
    692 # This file is free software; the Free Software Foundation
    693 # gives unlimited permission to copy and/or distribute it,
    694 # with or without modifications, as long as this notice is preserved.
    695 
    696 # serial 4
     847# Copyright (C) 1996-2022 Free Software Foundation, Inc.
     848#
     849# This file is free software; the Free Software Foundation
     850# gives unlimited permission to copy and/or distribute it,
     851# with or without modifications, as long as this notice is preserved.
     852
     853# _AM_SLEEP_FRACTIONAL_SECONDS
     854# ----------------------------
     855AC_DEFUN([_AM_SLEEP_FRACTIONAL_SECONDS], [dnl
     856AC_CACHE_CHECK([whether sleep supports fractional seconds], am_cv_sleep_fractional_seconds, [dnl
     857AS_IF([sleep 0.001 2>/dev/null], [am_cv_sleep_fractional_seconds=true], [am_cv_sleep_fractional_seconds=false])
     858])])
     859
     860# _AM_FILESYSTEM_TIMESTAMP_RESOLUTION
     861# -----------------------------------
     862# Determine the filesystem timestamp resolution.  Modern systems are nanosecond
     863# capable, but historical systems could be millisecond, second, or even 2-second
     864# resolution.
     865AC_DEFUN([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION], [dnl
     866AC_REQUIRE([_AM_SLEEP_FRACTIONAL_SECONDS])
     867AC_CACHE_CHECK([the filesystem timestamp resolution], am_cv_filesystem_timestamp_resolution, [dnl
     868# Use names that lexically sort older-first when the timestamps are equal.
     869rm -f conftest.file.a conftest.file.b
     870: > conftest.file.a
     871AS_IF([$am_cv_sleep_fractional_seconds], [dnl
     872  am_try_sleep=0.1 am_try_loops=20
     873], [dnl
     874  am_try_sleep=1   am_try_loops=2
     875])
     876am_try=0
     877while :; do
     878  AS_VAR_ARITH([am_try], [$am_try + 1])
     879  echo "timestamp $am_try" > conftest.file.b
     880  set X `ls -t conftest.file.a conftest.file.b`
     881  if test "$[2]" = conftest.file.b || test $am_try -eq $am_try_loops; then
     882    break
     883  fi
     884  sleep $am_try_sleep
     885done
     886rm -f conftest.file.a conftest.file.b
     887am_cv_filesystem_timestamp_resolution=$am_try
     888AS_IF([$am_cv_sleep_fractional_seconds], [dnl
     889  AS_VAR_ARITH([am_cv_filesystem_timestamp_resolution], [$am_try / 10])
     890  AS_VAR_ARITH([am_fraction], [$am_try % 10])
     891  AS_VAR_APPEND([am_cv_filesystem_timestamp_resolution], [.$am_fraction])
     892])
     893])])
    697894
    698895# AM_SANITY_CHECK
    699896# ---------------
    700897AC_DEFUN([AM_SANITY_CHECK],
    701 [AC_MSG_CHECKING([whether build environment is sane])
    702 # Just in case
    703 sleep 1
    704 echo timestamp > conftest.file
    705 # Do `set' in a subshell so we don't clobber the current shell's
     898[AC_REQUIRE([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION])
     899rm -f conftest.file
     900AC_CACHE_CHECK([whether build environment is sane], am_cv_build_env_is_sane, [dnl
     901# Reject unsafe characters in $srcdir or the absolute working directory
     902# name.  Accept space and tab only in the latter.
     903am_lf='
     904'
     905case `pwd` in
     906  *[[\\\"\#\$\&\'\`$am_lf]]*)
     907    AC_MSG_ERROR([unsafe absolute working directory name]);;
     908esac
     909case $srcdir in
     910  *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
     911    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
     912esac
     913
     914# Do 'set' in a subshell so we don't clobber the current shell's
    706915# arguments.  Must try -L first in case configure is actually a
    707916# symlink; some systems play weird games with the mod time of symlinks
    … …  
    709918# directory).
    710919if (
    711    set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
    712    if test "$[*]" = "X"; then
    713       # -L didn't work.
    714       set X `ls -t $srcdir/configure conftest.file`
    715    fi
    716    rm -f conftest.file
    717    if test "$[*]" != "X $srcdir/configure conftest.file" \
    718       && test "$[*]" != "X conftest.file $srcdir/configure"; then
    719 
    720       # If neither matched, then we have a broken ls.  This can happen
    721       # if, for instance, CONFIG_SHELL is bash and it inherits a
    722       # broken ls alias from the environment.  This has actually
    723       # happened.  Such a system could not be considered "sane".
    724       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
    725 alias in your environment])
    726    fi
    727 
     920   am_has_slept=no
     921   for am_try in 1 2; do
     922     echo "timestamp, slept: $am_has_slept" > conftest.file
     923     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
     924     if test "$[*]" = "X"; then
     925        # -L didn't work.
     926        set X `ls -t "$srcdir/configure" conftest.file`
     927     fi
     928     if test "$[*]" != "X $srcdir/configure conftest.file" \
     929        && test "$[*]" != "X conftest.file $srcdir/configure"; then
     930
     931        # If neither matched, then we have a broken ls.  This can happen
     932        # if, for instance, CONFIG_SHELL is bash and it inherits a
     933        # broken ls alias from the environment.  This has actually
     934        # happened.  Such a system could not be considered "sane".
     935        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
     936  alias in your environment])
     937     fi
     938     if test "$[2]" = conftest.file || test $am_try -eq 2; then
     939       break
     940     fi
     941     # Just in case.
     942     sleep $am_cv_filesystem_timestamp_resolution
     943     am_has_slept=yes
     944   done
    728945   test "$[2]" = conftest.file
    729946   )
    730947then
    731    # Ok.
    732    :
     948  am_cv_build_env_is_sane=yes
    733949else
    734950   AC_MSG_ERROR([newly created file is older than distributed files!
    735951Check your system clock])
    736952fi
    737 AC_MSG_RESULT(yes)])
    738 
    739 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
     953])
     954# If we didn't sleep, we still need to ensure time stamps of config.status and
     955# generated files are strictly newer.
     956am_sleep_pid=
     957if ! test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1; then
     958  ( sleep $am_cv_filesystem_timestamp_resolution ) &
     959  am_sleep_pid=$!
     960fi
     961AC_CONFIG_COMMANDS_PRE(
     962  [AC_MSG_CHECKING([that generated files are newer than configure])
     963   if test -n "$am_sleep_pid"; then
     964     # Hide warnings about reused PIDs.
     965     wait $am_sleep_pid 2>/dev/null
     966   fi
     967   AC_MSG_RESULT([done])])
     968rm -f conftest.file
     969])
     970
     971# Copyright (C) 2009-2022 Free Software Foundation, Inc.
     972#
     973# This file is free software; the Free Software Foundation
     974# gives unlimited permission to copy and/or distribute it,
     975# with or without modifications, as long as this notice is preserved.
     976
     977# _AM_SILENT_RULES
     978# ----------------
     979# Enable less verbose build rules support.
     980AC_DEFUN([_AM_SILENT_RULES],
     981[AM_DEFAULT_VERBOSITY=1
     982AC_ARG_ENABLE([silent-rules], [dnl
     983AS_HELP_STRING(
     984  [--enable-silent-rules],
     985  [less verbose build output (undo: "make V=1")])
     986AS_HELP_STRING(
     987  [--disable-silent-rules],
     988  [verbose build output (undo: "make V=0")])dnl
     989])
     990dnl
     991dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
     992dnl do not support nested variable expansions.
     993dnl See automake bug#9928 and bug#10237.
     994am_make=${MAKE-make}
     995AC_CACHE_CHECK([whether $am_make supports nested variables],
     996   [am_cv_make_support_nested_variables],
     997   [if AS_ECHO([['TRUE=$(BAR$(V))
     998BAR0=false
     999BAR1=true
     1000V=1
     1001am__doit:
     1002        @$(TRUE)
     1003.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
     1004  am_cv_make_support_nested_variables=yes
     1005else
     1006  am_cv_make_support_nested_variables=no
     1007fi])
     1008AC_SUBST([AM_V])dnl
     1009AM_SUBST_NOTMAKE([AM_V])dnl
     1010AC_SUBST([AM_DEFAULT_V])dnl
     1011AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
     1012AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
     1013AM_BACKSLASH='\'
     1014AC_SUBST([AM_BACKSLASH])dnl
     1015_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
     1016dnl Delay evaluation of AM_DEFAULT_VERBOSITY to the end to allow multiple calls
     1017dnl to AM_SILENT_RULES to change the default value.
     1018AC_CONFIG_COMMANDS_PRE([dnl
     1019case $enable_silent_rules in @%:@ (((
     1020  yes) AM_DEFAULT_VERBOSITY=0;;
     1021   no) AM_DEFAULT_VERBOSITY=1;;
     1022esac
     1023if test $am_cv_make_support_nested_variables = yes; then
     1024  dnl Using '$V' instead of '$(V)' breaks IRIX make.
     1025  AM_V='$(V)'
     1026  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
     1027else
     1028  AM_V=$AM_DEFAULT_VERBOSITY
     1029  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
     1030fi
     1031])dnl
     1032])
     1033
     1034# AM_SILENT_RULES([DEFAULT])
     1035# --------------------------
     1036# Set the default verbosity level to DEFAULT ("yes" being less verbose, "no" or
     1037# empty being verbose).
     1038AC_DEFUN([AM_SILENT_RULES],
     1039[AC_REQUIRE([_AM_SILENT_RULES])
     1040AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1])])
     1041
     1042# Copyright (C) 2001-2022 Free Software Foundation, Inc.
    7401043#
    7411044# This file is free software; the Free Software Foundation
    … …  
    7451048# AM_PROG_INSTALL_STRIP
    7461049# ---------------------
    747 # One issue with vendor `install' (even GNU) is that you can't
     1050# One issue with vendor 'install' (even GNU) is that you can't
    7481051# specify the program used to strip binaries.  This is especially
    7491052# annoying in cross-compiling environments, where the build's strip
    7501053# is unlikely to handle the host's binaries.
    7511054# Fortunately install-sh will honor a STRIPPROG variable, so we
    752 # always use install-sh in `make install-strip', and initialize
     1055# always use install-sh in "make install-strip", and initialize
    7531056# STRIPPROG with the value of the STRIP variable (set by the user).
    7541057AC_DEFUN([AM_PROG_INSTALL_STRIP],
    7551058[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
    756 # Installed binaries are usually stripped using `strip' when the user
    757 # run `make install-strip'.  However `strip' might not be the right
     1059# Installed binaries are usually stripped using 'strip' when the user
     1060# run "make install-strip".  However 'strip' might not be the right
    7581061# tool to use in cross-compilation environments, therefore Automake
    759 # will honor the `STRIP' environment variable to overrule this program.
    760 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
     1062# will honor the 'STRIP' environment variable to overrule this program.
     1063dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
    7611064if test "$cross_compiling" != no; then
    7621065  AC_CHECK_TOOL([STRIP], [strip], :)
    7631066fi
    764 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
     1067INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
    7651068AC_SUBST([INSTALL_STRIP_PROGRAM])])
    7661069
     1070# Copyright (C) 2006-2022 Free Software Foundation, Inc.
     1071#
     1072# This file is free software; the Free Software Foundation
     1073# gives unlimited permission to copy and/or distribute it,
     1074# with or without modifications, as long as this notice is preserved.
     1075
     1076# _AM_SUBST_NOTMAKE(VARIABLE)
     1077# ---------------------------
     1078# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
     1079# This macro is traced by Automake.
     1080AC_DEFUN([_AM_SUBST_NOTMAKE])
     1081
     1082# AM_SUBST_NOTMAKE(VARIABLE)
     1083# --------------------------
     1084# Public sister of _AM_SUBST_NOTMAKE.
     1085AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
     1086
    7671087# Check how to create a tarball.                            -*- Autoconf -*-
    7681088
    769 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.
    770 #
    771 # This file is free software; the Free Software Foundation
    772 # gives unlimited permission to copy and/or distribute it,
    773 # with or without modifications, as long as this notice is preserved.
    774 
    775 # serial 2
     1089# Copyright (C) 2004-2022 Free Software Foundation, Inc.
     1090#
     1091# This file is free software; the Free Software Foundation
     1092# gives unlimited permission to copy and/or distribute it,
     1093# with or without modifications, as long as this notice is preserved.
    7761094
    7771095# _AM_PROG_TAR(FORMAT)
    7781096# --------------------
    7791097# Check how to create a tarball in format FORMAT.
    780 # FORMAT should be one of `v7', `ustar', or `pax'.
     1098# FORMAT should be one of 'v7', 'ustar', or 'pax'.
    7811099#
    7821100# Substitute a variable $(am__tar) that is a command
    … …  
    7881106# a tarball read from stdin.
    7891107#     $(am__untar) < result.tar
     1108#
    7901109AC_DEFUN([_AM_PROG_TAR],
    791 [# Always define AMTAR for backward compatibility.
    792 AM_MISSING_PROG([AMTAR], [tar])
     1110[# Always define AMTAR for backward compatibility.  Yes, it's still used
     1111# in the wild :-(  We should find a proper way to deprecate it ...
     1112AC_SUBST([AMTAR], ['$${TAR-tar}'])
     1113
     1114# We'll loop over all known methods to create a tar archive until one works.
     1115_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
     1116
    7931117m4_if([$1], [v7],
    794      [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
    795      [m4_case([$1], [ustar],, [pax],,
    796               [m4_fatal([Unknown tar format])])
    797 AC_MSG_CHECKING([how to create a $1 tar archive])
    798 # Loop over all known methods to create a tar archive until one works.
    799 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
    800 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
    801 # Do not fold the above two line into one, because Tru64 sh and
    802 # Solaris sh will not grok spaces in the rhs of `-'.
    803 for _am_tool in $_am_tools
    804 do
    805   case $_am_tool in
    806   gnutar)
    807     for _am_tar in tar gnutar gtar;
    808     do
    809       AM_RUN_LOG([$_am_tar --version]) && break
    810     done
    811     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
    812     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
    813     am__untar="$_am_tar -xf -"
    814     ;;
    815   plaintar)
    816     # Must skip GNU tar: if it does not support --format= it doesn't create
    817     # ustar tarball either.
    818     (tar --version) >/dev/null 2>&1 && continue
    819     am__tar='tar chf - "$$tardir"'
    820     am__tar_='tar chf - "$tardir"'
    821     am__untar='tar xf -'
    822     ;;
    823   pax)
    824     am__tar='pax -L -x $1 -w "$$tardir"'
    825     am__tar_='pax -L -x $1 -w "$tardir"'
    826     am__untar='pax -r'
    827     ;;
    828   cpio)
    829     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
    830     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
    831     am__untar='cpio -i -H $1 -d'
    832     ;;
    833   none)
    834     am__tar=false
    835     am__tar_=false
    836     am__untar=false
    837     ;;
    838   esac
    839 
    840   # If the value was cached, stop now.  We just wanted to have am__tar
    841   # and am__untar set.
    842   test -n "${am_cv_prog_tar_$1}" && break
    843 
    844   # tar/untar a dummy directory, and stop if the command works
     1118  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
     1119
     1120  [m4_case([$1],
     1121    [ustar],
     1122     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
     1123      # There is notably a 21 bits limit for the UID and the GID.  In fact,
     1124      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
     1125      # and bug#13588).
     1126      am_max_uid=2097151 # 2^21 - 1
     1127      am_max_gid=$am_max_uid
     1128      # The $UID and $GID variables are not portable, so we need to resort
     1129      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
     1130      # below are definitely unexpected, so allow the users to see them
     1131      # (that is, avoid stderr redirection).
     1132      am_uid=`id -u || echo unknown`
     1133      am_gid=`id -g || echo unknown`
     1134      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
     1135      if test x$am_uid = xunknown; then
     1136        AC_MSG_WARN([ancient id detected; assuming current UID is ok, but dist-ustar might not work])
     1137      elif test $am_uid -le $am_max_uid; then
     1138        AC_MSG_RESULT([yes])
     1139      else
     1140        AC_MSG_RESULT([no])
     1141        _am_tools=none
     1142      fi
     1143      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
     1144      if test x$gm_gid = xunknown; then
     1145        AC_MSG_WARN([ancient id detected; assuming current GID is ok, but dist-ustar might not work])
     1146      elif test $am_gid -le $am_max_gid; then
     1147        AC_MSG_RESULT([yes])
     1148      else
     1149        AC_MSG_RESULT([no])
     1150        _am_tools=none
     1151      fi],
     1152
     1153  [pax],
     1154    [],
     1155
     1156  [m4_fatal([Unknown tar format])])
     1157
     1158  AC_MSG_CHECKING([how to create a $1 tar archive])
     1159
     1160  # Go ahead even if we have the value already cached.  We do so because we
     1161  # need to set the values for the 'am__tar' and 'am__untar' variables.
     1162  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
     1163
     1164  for _am_tool in $_am_tools; do
     1165    case $_am_tool in
     1166    gnutar)
     1167      for _am_tar in tar gnutar gtar; do
     1168        AM_RUN_LOG([$_am_tar --version]) && break
     1169      done
     1170      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
     1171      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
     1172      am__untar="$_am_tar -xf -"
     1173      ;;
     1174    plaintar)
     1175      # Must skip GNU tar: if it does not support --format= it doesn't create
     1176      # ustar tarball either.
     1177      (tar --version) >/dev/null 2>&1 && continue
     1178      am__tar='tar chf - "$$tardir"'
     1179      am__tar_='tar chf - "$tardir"'
     1180      am__untar='tar xf -'
     1181      ;;
     1182    pax)
     1183      am__tar='pax -L -x $1 -w "$$tardir"'
     1184      am__tar_='pax -L -x $1 -w "$tardir"'
     1185      am__untar='pax -r'
     1186      ;;
     1187    cpio)
     1188      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
     1189      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
     1190      am__untar='cpio -i -H $1 -d'
     1191      ;;
     1192    none)
     1193      am__tar=false
     1194      am__tar_=false
     1195      am__untar=false
     1196      ;;
     1197    esac
     1198
     1199    # If the value was cached, stop now.  We just wanted to have am__tar
     1200    # and am__untar set.
     1201    test -n "${am_cv_prog_tar_$1}" && break
     1202
     1203    # tar/untar a dummy directory, and stop if the command works.
     1204    rm -rf conftest.dir
     1205    mkdir conftest.dir
     1206    echo GrepMe > conftest.dir/file
     1207    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
     1208    rm -rf conftest.dir
     1209    if test -s conftest.tar; then
     1210      AM_RUN_LOG([$am__untar <conftest.tar])
     1211      AM_RUN_LOG([cat conftest.dir/file])
     1212      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
     1213    fi
     1214  done
    8451215  rm -rf conftest.dir
    846   mkdir conftest.dir
    847   echo GrepMe > conftest.dir/file
    848   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    849   rm -rf conftest.dir
    850   if test -s conftest.tar; then
    851     AM_RUN_LOG([$am__untar <conftest.tar])
    852     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    853   fi
    854 done
    855 rm -rf conftest.dir
    856 
    857 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
    858 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
     1216
     1217  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
     1218  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
     1219
    8591220AC_SUBST([am__tar])
    8601221AC_SUBST([am__untar])
    8611222]) # _AM_PROG_TAR
    8621223
    863 m4_include([config/codeset.m4])
    864 m4_include([config/getline.m4])
    865 m4_include([config/gettext-ver.m4])
    866 m4_include([config/gettext.m4])
    867 m4_include([config/glibc21.m4])
    868 m4_include([config/iconv.m4])
    869 m4_include([config/lcmessage.m4])
    870 m4_include([config/lib-ld.m4])
    871 m4_include([config/lib-link.m4])
    872 m4_include([config/lib-prefix.m4])
    873 m4_include([config/progtest.m4])
    874 m4_include([config/stdbool.m4])
    875 m4_include([config/strverscmp.m4])
     1224# Copyright (C) 2022 Free Software Foundation, Inc.
     1225#
     1226# This file is free software; the Free Software Foundation
     1227# gives unlimited permission to copy and/or distribute it,
     1228# with or without modifications, as long as this notice is preserved.
     1229
     1230# _AM_PROG_XARGS_N
     1231# ----------------
     1232# Check whether 'xargs -n' works.  It should work everywhere, so the fallback
     1233# is not optimized at all as we never expect to use it.
     1234AC_DEFUN([_AM_PROG_XARGS_N],
     1235[AC_CACHE_CHECK([xargs -n works], am_cv_xargs_n_works, [dnl
     1236AS_IF([test "`echo 1 2 3 | xargs -n2 echo`" = "1 2
     12373"], [am_cv_xargs_n_works=yes], [am_cv_xargs_n_works=no])])
     1238AS_IF([test "$am_cv_xargs_n_works" = yes], [am__xargs_n='xargs -n'], [dnl
     1239  am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "$@" "$am__xargs_n_arg"; done; }'
     1240])dnl
     1241AC_SUBST(am__xargs_n)
     1242])
     1243
     1244m4_include([m4/00gnulib.m4])
     1245m4_include([m4/__inline.m4])
     1246m4_include([m4/absolute-header.m4])
     1247m4_include([m4/acl.m4])
     1248m4_include([m4/alloca.m4])
     1249m4_include([m4/arpa_inet_h.m4])
     1250m4_include([m4/assert.m4])
     1251m4_include([m4/assert_h.m4])
     1252m4_include([m4/btowc.m4])
     1253m4_include([m4/builtin-expect.m4])
     1254m4_include([m4/c-bool.m4])
     1255m4_include([m4/calloc.m4])
     1256m4_include([m4/canonicalize.m4])
     1257m4_include([m4/clock_time.m4])
     1258m4_include([m4/close.m4])
     1259m4_include([m4/closedir.m4])
     1260m4_include([m4/codeset.m4])
     1261m4_include([m4/ctype_h.m4])
     1262m4_include([m4/dirent_h.m4])
     1263m4_include([m4/dirfd.m4])
     1264m4_include([m4/double-slash-root.m4])
     1265m4_include([m4/dup2.m4])
     1266m4_include([m4/eealloc.m4])
     1267m4_include([m4/environ.m4])
     1268m4_include([m4/errno_h.m4])
     1269m4_include([m4/error.m4])
     1270m4_include([m4/explicit_bzero.m4])
     1271m4_include([m4/extensions.m4])
     1272m4_include([m4/extern-inline.m4])
     1273m4_include([m4/fcntl-o.m4])
     1274m4_include([m4/fcntl.m4])
     1275m4_include([m4/fcntl_h.m4])
     1276m4_include([m4/fdopen.m4])
     1277m4_include([m4/fflush.m4])
     1278m4_include([m4/flexmember.m4])
     1279m4_include([m4/fopen.m4])
     1280m4_include([m4/fpending.m4])
     1281m4_include([m4/fpurge.m4])
     1282m4_include([m4/freading.m4])
     1283m4_include([m4/free.m4])
     1284m4_include([m4/fseek.m4])
     1285m4_include([m4/fseeko.m4])
     1286m4_include([m4/fstat.m4])
     1287m4_include([m4/ftell.m4])
     1288m4_include([m4/ftello.m4])
     1289m4_include([m4/ftruncate.m4])
     1290m4_include([m4/fwriting.m4])
     1291m4_include([m4/getcwd.m4])
     1292m4_include([m4/getdelim.m4])
     1293m4_include([m4/getdtablesize.m4])
     1294m4_include([m4/getpagesize.m4])
     1295m4_include([m4/getprogname.m4])
     1296m4_include([m4/getrandom.m4])
     1297m4_include([m4/gettext.m4])
     1298m4_include([m4/gettimeofday.m4])
     1299m4_include([m4/gnulib-common.m4])
     1300m4_include([m4/gnulib-comp.m4])
     1301m4_include([m4/iconv.m4])
     1302m4_include([m4/include_next.m4])
     1303m4_include([m4/inet_pton.m4])
     1304m4_include([m4/intl-thread-locale.m4])
     1305m4_include([m4/intlmacosx.m4])
     1306m4_include([m4/inttypes.m4])
     1307m4_include([m4/ioctl.m4])
     1308m4_include([m4/isblank.m4])
     1309m4_include([m4/langinfo_h.m4])
     1310m4_include([m4/largefile.m4])
     1311m4_include([m4/lcmessage.m4])
     1312m4_include([m4/lib-ld.m4])
     1313m4_include([m4/lib-link.m4])
     1314m4_include([m4/lib-prefix.m4])
     1315m4_include([m4/limits-h.m4])
     1316m4_include([m4/link.m4])
     1317m4_include([m4/localcharset.m4])
     1318m4_include([m4/locale-fr.m4])
     1319m4_include([m4/locale-ja.m4])
     1320m4_include([m4/locale-tr.m4])
     1321m4_include([m4/locale-zh.m4])
     1322m4_include([m4/locale_h.m4])
     1323m4_include([m4/localeconv.m4])
     1324m4_include([m4/localename.m4])
     1325m4_include([m4/lock.m4])
     1326m4_include([m4/lseek.m4])
     1327m4_include([m4/lstat.m4])
     1328m4_include([m4/malloc.m4])
     1329m4_include([m4/malloca.m4])
     1330m4_include([m4/manywarnings.m4])
     1331m4_include([m4/mbrlen.m4])
     1332m4_include([m4/mbrtowc.m4])
     1333m4_include([m4/mbsinit.m4])
     1334m4_include([m4/mbstate_t.m4])
     1335m4_include([m4/mbtowc.m4])
     1336m4_include([m4/memchr.m4])
     1337m4_include([m4/mempcpy.m4])
     1338m4_include([m4/memrchr.m4])
     1339m4_include([m4/minmax.m4])
     1340m4_include([m4/mkdir.m4])
     1341m4_include([m4/mkostemp.m4])
     1342m4_include([m4/mmap-anon.m4])
     1343m4_include([m4/mode_t.m4])
     1344m4_include([m4/msvc-inval.m4])
     1345m4_include([m4/msvc-nothrow.m4])
     1346m4_include([m4/multiarch.m4])
     1347m4_include([m4/musl.m4])
     1348m4_include([m4/nanosleep.m4])
     1349m4_include([m4/netinet_in_h.m4])
     1350m4_include([m4/nl_langinfo.m4])
     1351m4_include([m4/nls.m4])
     1352m4_include([m4/nocrash.m4])
     1353m4_include([m4/obstack.m4])
     1354m4_include([m4/off_t.m4])
     1355m4_include([m4/open-cloexec.m4])
     1356m4_include([m4/open-slash.m4])
     1357m4_include([m4/open.m4])
     1358m4_include([m4/opendir.m4])
     1359m4_include([m4/pathmax.m4])
     1360m4_include([m4/perl.m4])
     1361m4_include([m4/perror.m4])
     1362m4_include([m4/pipe.m4])
     1363m4_include([m4/po.m4])
     1364m4_include([m4/progtest.m4])
     1365m4_include([m4/pselect.m4])
     1366m4_include([m4/pthread-thread.m4])
     1367m4_include([m4/pthread_h.m4])
     1368m4_include([m4/pthread_rwlock_rdlock.m4])
     1369m4_include([m4/pthread_sigmask.m4])
     1370m4_include([m4/putenv.m4])
     1371m4_include([m4/quote.m4])
     1372m4_include([m4/quotearg.m4])
     1373m4_include([m4/raise.m4])
     1374m4_include([m4/rawmemchr.m4])
     1375m4_include([m4/read-file.m4])
     1376m4_include([m4/readdir.m4])
     1377m4_include([m4/readlink.m4])
     1378m4_include([m4/realloc.m4])
     1379m4_include([m4/reallocarray.m4])
     1380m4_include([m4/regex.m4])
     1381m4_include([m4/rename.m4])
     1382m4_include([m4/rmdir.m4])
     1383m4_include([m4/sched_h.m4])
     1384m4_include([m4/select.m4])
     1385m4_include([m4/selinux-context-h.m4])
     1386m4_include([m4/selinux-label-h.m4])
     1387m4_include([m4/selinux-selinux-h.m4])
     1388m4_include([m4/setenv.m4])
     1389m4_include([m4/setlocale.m4])
     1390m4_include([m4/setlocale_null.m4])
     1391m4_include([m4/signal_h.m4])
     1392m4_include([m4/signalblocking.m4])
     1393m4_include([m4/sleep.m4])
     1394m4_include([m4/socketlib.m4])
     1395m4_include([m4/sockets.m4])
     1396m4_include([m4/socklen.m4])
     1397m4_include([m4/sockpfaf.m4])
     1398m4_include([m4/ssize_t.m4])
     1399m4_include([m4/stat-time.m4])
     1400m4_include([m4/stat.m4])
     1401m4_include([m4/stdalign.m4])
     1402m4_include([m4/stdarg.m4])
     1403m4_include([m4/stddef_h.m4])
     1404m4_include([m4/stdint.m4])
     1405m4_include([m4/stdio_h.m4])
     1406m4_include([m4/stdlib_h.m4])
     1407m4_include([m4/strdup.m4])
     1408m4_include([m4/strerror.m4])
     1409m4_include([m4/strerror_r.m4])
     1410m4_include([m4/string_h.m4])
     1411m4_include([m4/strverscmp.m4])
     1412m4_include([m4/symlink.m4])
     1413m4_include([m4/sys_ioctl_h.m4])
     1414m4_include([m4/sys_random_h.m4])
     1415m4_include([m4/sys_select_h.m4])
     1416m4_include([m4/sys_socket_h.m4])
     1417m4_include([m4/sys_stat_h.m4])
     1418m4_include([m4/sys_time_h.m4])
     1419m4_include([m4/sys_types_h.m4])
     1420m4_include([m4/sys_uio_h.m4])
     1421m4_include([m4/tempname.m4])
     1422m4_include([m4/thread.m4])
     1423m4_include([m4/threadlib.m4])
     1424m4_include([m4/time_h.m4])
     1425m4_include([m4/ungetc.m4])
     1426m4_include([m4/unistd_h.m4])
     1427m4_include([m4/unlocked-io.m4])
     1428m4_include([m4/version-etc.m4])
     1429m4_include([m4/visibility.m4])
     1430m4_include([m4/warn-on-use.m4])
     1431m4_include([m4/warnings.m4])
     1432m4_include([m4/wchar_h.m4])
     1433m4_include([m4/wchar_t.m4])
     1434m4_include([m4/wcrtomb.m4])
     1435m4_include([m4/wctob.m4])
     1436m4_include([m4/wctomb.m4])
     1437m4_include([m4/wctype_h.m4])
     1438m4_include([m4/wint_t.m4])
     1439m4_include([m4/xalloc.m4])
     1440m4_include([m4/year2038.m4])
     1441m4_include([m4/zzgnulib.m4])
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