--- parser3/aclocal.m4 2009/12/04 04:45:23 1.65 +++ parser3/aclocal.m4 2026/10/22 16:08:24 1.162 @@ -1,7 +1,7 @@ -# generated automatically by aclocal 1.9 -*- Autoconf -*- +# generated automatically by aclocal 1.17 -*- Autoconf -*- + +# Copyright (C) 1996-2024 Free Software Foundation, Inc. -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 -# Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -11,59 +11,62 @@ # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. -# -*- Autoconf -*- -# Copyright (C) 2002, 2003 Free Software Foundation, Inc. -# Generated from amversion.in; do not edit by hand. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.72],, +[m4_warning([this file was generated for autoconf 2.72. +You have another version of autoconf. It may work, but is not guaranteed to. +If you have problems, you may need to regenerate the build system entirely. +To do so, use the procedure documented by the package, typically 'autoreconf'.])]) -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# Copyright (C) 2002-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # AM_AUTOMAKE_VERSION(VERSION) # ---------------------------- # Automake X.Y traces this macro to ensure aclocal.m4 has been # generated from the m4 files accompanying Automake X.Y. -AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"]) +# (This private macro should not be called outside this file.) +AC_DEFUN([AM_AUTOMAKE_VERSION], +[am__api_version='1.17' +dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to +dnl require some minimum version. Point them to the right macro. +m4_if([$1], [1.17], [], + [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl +]) + +# _AM_AUTOCONF_VERSION(VERSION) +# ----------------------------- +# aclocal traces this macro to find the Autoconf version. +# This is a private macro too. Using m4_define simplifies +# the logic in aclocal, which can simply ignore this definition. +m4_define([_AM_AUTOCONF_VERSION], []) # AM_SET_CURRENT_AUTOMAKE_VERSION # ------------------------------- -# Call AM_AUTOMAKE_VERSION so it can be traced. -# This function is AC_REQUIREd by AC_INIT_AUTOMAKE. +# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced. +# This function is AC_REQUIREd by AM_INIT_AUTOMAKE. AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], - [AM_AUTOMAKE_VERSION([1.9])]) - -# AM_AUX_DIR_EXPAND +[AM_AUTOMAKE_VERSION([1.17])dnl +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))]) -# Copyright (C) 2001, 2003 Free Software Foundation, Inc. +# AM_AUX_DIR_EXPAND -*- Autoconf -*- -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Copyright (C) 2001-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets -# $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to -# `$srcdir', `$srcdir/..', or `$srcdir/../..'. +# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to +# '$srcdir', '$srcdir/..', or '$srcdir/../..'. # # Of course, Automake must honor this variable whenever it calls a # tool from the auxiliary directory. The problem is that $srcdir (and @@ -82,7 +85,7 @@ AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSIO # # The reason of the latter failure is that $top_srcdir and $ac_aux_dir # are both prefixed by $srcdir. In an in-source build this is usually -# harmless because $srcdir is `.', but things will broke when you +# harmless because $srcdir is '.', but things will broke when you # start a VPATH build or use an absolute $srcdir. # # So we could use something similar to $top_srcdir/$ac_aux_dir/missing, @@ -100,42 +103,31 @@ AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSIO # configured tree to be moved without reconfiguration. AC_DEFUN([AM_AUX_DIR_EXPAND], -[dnl Rely on autoconf to set up CDPATH properly. -AC_PREREQ([2.50])dnl -# expand $ac_aux_dir to an absolute path -am_aux_dir=`cd $ac_aux_dir && pwd` +[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` ]) -# AM_CONDITIONAL -*- Autoconf -*- +# AM_CONDITIONAL -*- Autoconf -*- -# Copyright (C) 1997, 2000, 2001, 2003, 2004 Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# serial 6 +# Copyright (C) 1997-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # AM_CONDITIONAL(NAME, SHELL-CONDITION) # ------------------------------------- # Define a conditional. AC_DEFUN([AM_CONDITIONAL], -[AC_PREREQ(2.52)dnl - ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], - [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl -AC_SUBST([$1_TRUE]) -AC_SUBST([$1_FALSE]) +[AC_PREREQ([2.52])dnl + m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], + [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl +AC_SUBST([$1_TRUE])dnl +AC_SUBST([$1_FALSE])dnl +_AM_SUBST_NOTMAKE([$1_TRUE])dnl +_AM_SUBST_NOTMAKE([$1_FALSE])dnl +m4_define([_AM_COND_VALUE_$1], [$2])dnl if $2; then $1_TRUE= $1_FALSE='#' @@ -149,39 +141,24 @@ AC_CONFIG_COMMANDS_PRE( Usually this means the macro was only invoked conditionally.]]) fi])]) -# serial 7 -*- Autoconf -*- - -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 -# Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Copyright (C) 1999-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be +# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be # written in clear, in which case automake, when reading aclocal.m4, # will think it sees a *use*, and therefore will trigger all it's # C support machinery. Also note that it means that autoscan, seeing # CC etc. in the Makefile, will ask for an AC_PROG_CC use... - # _AM_DEPENDENCIES(NAME) # ---------------------- # See how the compiler implements dependency checking. -# NAME is "CC", "CXX", "GCJ", or "OBJC". +# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC". # We try a few techniques and use that to set a single cache variable. # # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was @@ -194,11 +171,13 @@ AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMAND AC_REQUIRE([AM_MAKE_INCLUDE])dnl AC_REQUIRE([AM_DEP_TRACK])dnl -ifelse([$1], CC, [depcc="$CC" am_compiler_list=], - [$1], CXX, [depcc="$CXX" am_compiler_list=], - [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'], - [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'], - [depcc="$$1" am_compiler_list=]) +m4_if([$1], [CC], [depcc="$CC" am_compiler_list=], + [$1], [CXX], [depcc="$CXX" am_compiler_list=], + [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'], + [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'], + [$1], [UPC], [depcc="$UPC" am_compiler_list=], + [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'], + [depcc="$$1" am_compiler_list=]) AC_CACHE_CHECK([dependency style of $depcc], [am_cv_$1_dependencies_compiler_type], @@ -206,8 +185,9 @@ AC_CACHE_CHECK([dependency style of $dep # We make a subdir and do the tests there. Otherwise we can end up # making bogus files that we don't know about and never remove. For # instance it was reported that on HP-UX the gcc test will end up - # making a dummy file named `D' -- because `-MD' means `put the output - # in D'. + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir mkdir conftest.dir # Copy depcomp to subdir because otherwise we won't find it if we're # using a relative directory. @@ -225,6 +205,16 @@ AC_CACHE_CHECK([dependency style of $dep if test "$am_compiler_list" = ""; then am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` fi + am__universal=false + m4_case([$1], [CC], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac], + [CXX], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac]) + for depmode in $am_compiler_list; do # Setup a source with many dependencies, because some compilers # like to wrap large dependency lists on column 80 (with \), and @@ -236,39 +226,54 @@ AC_CACHE_CHECK([dependency style of $dep : > sub/conftest.c for i in 1 2 3 4 5 6; do echo '#include "conftst'$i'.h"' >> sub/conftest.c - # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with - # Solaris 8's {/usr,}/bin/sh. - touch sub/conftst$i.h + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h done echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; nosideeffect) - # after this tag, mechanisms are not by side-effect, so they'll - # only be used when explicitly requested + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. if test "x$enable_dependency_tracking" = xyes; then continue else break fi ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; none) break ;; esac - # We check with `-c' and `-o' for the sake of the "dashmstdout" - # mode. It turns out that the SunPro C++ compiler does not properly - # handle `-M -o', and we need to detect this. if depmode=$depmode \ - source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + source=sub/conftest.c object=$am__obj \ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ - $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && - grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && ${MAKE-make} -s -f confmf > /dev/null 2>&1; then # icc doesn't choke on unknown options, it will just issue warnings # or remarks (even with -Werror). So we grep stderr for any message # that says an option was ignored or not supported. - # When given -MP, icc 7.0 and 7.1 complain thusly: + # When given -MP, icc 7.0 and 7.1 complain thus: # icc: Command line warning: ignoring option '-M'; no argument required # The diagnosis changed in icc 8.0: # icc: Command line remark: option '-MP' not supported @@ -296,7 +301,7 @@ AM_CONDITIONAL([am__fastdep$1], [ # AM_SET_DEPDIR # ------------- # Choose a directory name for dependency files. -# This macro is AC_REQUIREd in _AM_DEPENDENCIES +# This macro is AC_REQUIREd in _AM_DEPENDENCIES. AC_DEFUN([AM_SET_DEPDIR], [AC_REQUIRE([AM_SET_LEADING_DOT])dnl AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl @@ -306,80 +311,78 @@ AC_SUBST([DEPDIR], ["${am__leading_dot}d # AM_DEP_TRACK # ------------ AC_DEFUN([AM_DEP_TRACK], -[AC_ARG_ENABLE(dependency-tracking, -[ --disable-dependency-tracking speeds up one-time build - --enable-dependency-tracking do not reject slow dependency extractors]) +[AC_ARG_ENABLE([dependency-tracking], [dnl +AS_HELP_STRING( + [--enable-dependency-tracking], + [do not reject slow dependency extractors]) +AS_HELP_STRING( + [--disable-dependency-tracking], + [speeds up one-time build])]) if test "x$enable_dependency_tracking" != xno; then am_depcomp="$ac_aux_dir/depcomp" AMDEPBACKSLASH='\' + am__nodep='_no' fi AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) -AC_SUBST([AMDEPBACKSLASH]) +AC_SUBST([AMDEPBACKSLASH])dnl +_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl +AC_SUBST([am__nodep])dnl +_AM_SUBST_NOTMAKE([am__nodep])dnl ]) -# Generate code to set up dependency tracking. -*- Autoconf -*- +# Generate code to set up dependency tracking. -*- Autoconf -*- -# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 -# Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -#serial 2 +# Copyright (C) 1999-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # _AM_OUTPUT_DEPENDENCY_COMMANDS # ------------------------------ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], -[for mf in $CONFIG_FILES; do - # Strip MF so we end up with the name of the file. - mf=`echo "$mf" | sed -e 's/:.*$//'` - # Check whether this is an Automake generated Makefile or not. - # We used to match only the files named `Makefile.in', but - # some people rename them; so instead we look at the file content. - # Grep'ing the first line is not enough: some people post-process - # each Makefile.in and add a new line on top of each file to say so. - # So let's grep whole file. - if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then - dirpart=`AS_DIRNAME("$mf")` - else - continue - fi - # Extract the definition of DEPDIR, am__include, and am__quote - # from the Makefile without running `make'. - DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` - test -z "$DEPDIR" && continue - am__include=`sed -n 's/^am__include = //p' < "$mf"` - test -z "am__include" && continue - am__quote=`sed -n 's/^am__quote = //p' < "$mf"` - # When using ansi2knr, U may be empty or an underscore; expand it - U=`sed -n 's/^U = //p' < "$mf"` - # Find all dependency output files, they are included files with - # $(DEPDIR) in their names. 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Let's play safe and only enable the eval + # if we detect the quoting. + # TODO: see whether this extra hack can be removed once we start + # requiring Autoconf 2.70 or later. + AS_CASE([$CONFIG_FILES], + [*\'*], [eval set x "$CONFIG_FILES"], + [*], [set x $CONFIG_FILES]) + shift + # Used to flag and report bootstrapping failures. + am_rc=0 + for am_mf + do + # Strip MF so we end up with the name of the file. + am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile which includes + # dependency-tracking related rules and includes. + # Grep'ing the whole file directly is not great: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \ + || continue + am_dirpart=`AS_DIRNAME(["$am_mf"])` + am_filepart=`AS_BASENAME(["$am_mf"])` + AM_RUN_LOG([cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles]) || am_rc=$? done -done + if test $am_rc -ne 0; then + AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments + for automatic dependency tracking. If GNU make was not used, consider + re-running the configure script with MAKE="gmake" (or whatever is + necessary). You can also try re-running configure with the + '--disable-dependency-tracking' option to at least be able to build + the package (albeit without support for automatic dependency tracking).]) + fi + AS_UNSET([am_dirpart]) + AS_UNSET([am_filepart]) + AS_UNSET([am_mf]) + AS_UNSET([am_rc]) + rm -f conftest-deps.mk +} ])# _AM_OUTPUT_DEPENDENCY_COMMANDS @@ -387,63 +390,30 @@ done # ----------------------------- # This macro should only be invoked once -- use via AC_REQUIRE. # -# This code is only required when automatic dependency tracking -# is enabled. FIXME. This creates each `.P' file that we will -# need in order to bootstrap the dependency handling code. +# This code is only required when automatic dependency tracking is enabled. +# This creates each '.Po' and '.Plo' makefile fragment that we'll need in +# order to bootstrap the dependency handling code. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], [AC_CONFIG_COMMANDS([depfiles], [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS], - [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"]) -]) - -# Like AC_CONFIG_HEADER, but automatically create stamp file. -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc. + [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])]) -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# Do all the work for Automake. -*- Autoconf -*- -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# serial 7 - -# AM_CONFIG_HEADER is obsolete. It has been replaced by AC_CONFIG_HEADERS. -AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)]) - -# Do all the work for Automake. -*- Autoconf -*- +# Copyright (C) 1996-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# This macro actually does too much some checks are only needed if +# This macro actually does too much. Some checks are only needed if # your package does certain things. But this isn't really a big deal. -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 -# Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# serial 11 +dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O. +m4_define([AC_PROG_CC], +m4_defn([AC_PROG_CC]) +[_AM_PROG_CC_C_O +]) # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE]) # AM_INIT_AUTOMAKE([OPTIONS]) @@ -457,16 +427,24 @@ AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_ # arguments mandatory, and then we can depend on a new Autoconf # release and drop the old call support. AC_DEFUN([AM_INIT_AUTOMAKE], -[AC_PREREQ([2.58])dnl +[AC_PREREQ([2.65])dnl +m4_ifdef([_$0_ALREADY_INIT], + [m4_fatal([$0 expanded multiple times +]m4_defn([_$0_ALREADY_INIT]))], + [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl dnl Autoconf wants to disallow AM_ names. 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This +dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below. +AC_CONFIG_COMMANDS_PRE(dnl +[m4_provide_if([_AM_COMPILER_EXEEXT], + [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl + +AC_REQUIRE([_AM_PROG_RM_F]) +AC_REQUIRE([_AM_PROG_XARGS_N]) + +dnl The trailing newline in this macro's definition is deliberate, for +dnl backward compatibility and to allow trailing 'dnl'-style comments +dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841. ]) +dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not +dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further +dnl mangled by Autoconf and run in a shell conditional statement. +m4_define([_AC_COMPILER_EXEEXT], +m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])]) # When config.status generates a header, we must update the stamp-h file. # This file resides in the same directory as the config header @@ -534,62 +565,44 @@ AC_PROVIDE_IFELSE([AC_PROG_CXX], # our stamp files there. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], [# Compute $1's index in $config_headers. +_am_arg=$1 _am_stamp_count=1 for _am_header in $config_headers :; do case $_am_header in - $1 | $1:* ) + $_am_arg | $_am_arg:* ) break ;; * ) _am_stamp_count=`expr $_am_stamp_count + 1` ;; esac done -echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count]) +echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count]) + +# Copyright (C) 2001-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # AM_PROG_INSTALL_SH # ------------------ # Define $install_sh. - -# Copyright (C) 2001, 2003 Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi +AC_SUBST([install_sh])]) -# serial 1 +# Copyright (C) 2003-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # Check whether the underlying file-system supports filenames # with a leading dot. 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AC_DEFUN([AM_MAKE_INCLUDE], -[am_make=${MAKE-make} -cat > confinc << 'END' +[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive]) +cat > confinc.mk << 'END' am__doit: - @echo done + @echo this is the am__doit target >confinc.out .PHONY: am__doit END -# If we don't find an include directive, just comment out the code. -AC_MSG_CHECKING([for style of include used by $am_make]) am__include="#" am__quote= -_am_result=none -# First try GNU make style include. -echo "include confinc" > confmf -# We grep out `Entering directory' and `Leaving directory' -# messages which can occur if `w' ends up in MAKEFLAGS. -# In particular we don't look at `^make:' because GNU make might -# be invoked under some other name (usually "gmake"), in which -# case it prints its new name instead of `make'. -if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then - am__include=include - am__quote= - _am_result=GNU -fi -# Now try BSD make style include. -if test "$am__include" = "#"; then - echo '.include "confinc"' > confmf - if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then - am__include=.include - am__quote="\"" - _am_result=BSD - fi -fi -AC_SUBST([am__include]) -AC_SUBST([am__quote]) -AC_MSG_RESULT([$_am_result]) -rm -f confinc confmf -]) - -# -*- Autoconf -*- - - -# Copyright (C) 1997, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# BSD make does it like this. +echo '.include "confinc.mk" # ignored' > confmf.BSD +# Other make implementations (GNU, Solaris 10, AIX) do it like this. +echo 'include confinc.mk # ignored' > confmf.GNU +_am_result=no +for s in GNU BSD; do + AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out]) + AS_CASE([$?:`cat confinc.out 2>/dev/null`], + ['0:this is the am__doit target'], + [AS_CASE([$s], + [BSD], [am__include='.include' am__quote='"'], + [am__include='include' am__quote=''])]) + if test "$am__include" != "#"; then + _am_result="yes ($s style)" + break + fi +done +rm -f confinc.* confmf.* +AC_MSG_RESULT([${_am_result}]) +AC_SUBST([am__include])]) +AC_SUBST([am__quote])]) -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*- -# serial 3 +# Copyright (C) 1997-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # AM_MISSING_PROG(NAME, PROGRAM) # ------------------------------ @@ -696,117 +675,32 @@ AC_DEFUN([AM_MISSING_PROG], $1=${$1-"${am_missing_run}$2"} AC_SUBST($1)]) - # AM_MISSING_HAS_RUN # ------------------ -# Define MISSING if not defined so far and test if it supports --run. -# If it does, set am_missing_run to use it, otherwise, to nothing. +# Define MISSING if not defined so far and test if it is modern enough. +# If it is, set am_missing_run to use it, otherwise, to nothing. AC_DEFUN([AM_MISSING_HAS_RUN], [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl -test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +AC_REQUIRE_AUX_FILE([missing])dnl +if test x"${MISSING+set}" != xset; then + MISSING="\${SHELL} '$am_aux_dir/missing'" +fi # Use eval to expand $SHELL -if eval "$MISSING --run true"; then - am_missing_run="$MISSING --run " +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " else am_missing_run= - AC_MSG_WARN([`missing' script is too old or missing]) + AC_MSG_WARN(['missing' script is too old or missing]) fi ]) -# AM_PROG_MKDIR_P -# --------------- -# Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise. - -# Copyright (C) 2003, 2004 Free Software Foundation, Inc. +# Helper functions for option handling. -*- Autoconf -*- -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. - -# Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories -# created by `make install' are always world readable, even if the -# installer happens to have an overly restrictive umask (e.g. 077). -# This was a mistake. 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AC_DEFUN([_AM_SET_OPTION], -[m4_define(_AM_MANGLE_OPTION([$1]), 1)]) +[m4_define(_AM_MANGLE_OPTION([$1]), [1])]) # _AM_SET_OPTIONS(OPTIONS) -# ---------------------------------- +# ------------------------ # OPTIONS is a space-separated list of Automake options. AC_DEFUN([_AM_SET_OPTIONS], -[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) +[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) # ------------------------------------------- @@ -831,135 +725,441 @@ AC_DEFUN([_AM_SET_OPTIONS], AC_DEFUN([_AM_IF_OPTION], [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) +# Copyright (C) 1999-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_CC_C_O +# --------------- +# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC +# to automatically call this. +AC_DEFUN([_AM_PROG_CC_C_O], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +AC_REQUIRE_AUX_FILE([compile])dnl +AC_LANG_PUSH([C])dnl +AC_CACHE_CHECK( + [whether $CC understands -c and -o together], + [am_cv_prog_cc_c_o], + [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])]) + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i]) +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +AC_LANG_POP([C])]) + +# For backward compatibility. +AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])]) + +# Copyright (C) 2022-2024 Free Software Foundation, Inc. # -# Check to make sure that the build environment is sane. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_RM_F +# --------------- +# Check whether 'rm -f' without any arguments works. +# https://bugs.gnu.org/10828 +AC_DEFUN([_AM_PROG_RM_F], +[am__rm_f_notfound= +AS_IF([(rm -f && rm -fr && rm -rf) 2>/dev/null], [], [am__rm_f_notfound='""']) +AC_SUBST(am__rm_f_notfound) +]) + +# Copyright (C) 2001-2024 Free Software Foundation, Inc. # +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc. +# AM_RUN_LOG(COMMAND) +# ------------------- +# Run COMMAND, save the exit status in ac_status, and log it. +# (This has been adapted from Autoconf's _AC_RUN_LOG macro.) +AC_DEFUN([AM_RUN_LOG], +[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD + ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + (exit $ac_status); }]) -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# Check to make sure that the build environment is sane. -*- Autoconf -*- -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Copyright (C) 1996-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_SLEEP_FRACTIONAL_SECONDS +# ---------------------------- +AC_DEFUN([_AM_SLEEP_FRACTIONAL_SECONDS], [dnl +AC_CACHE_CHECK([whether sleep supports fractional seconds], + am_cv_sleep_fractional_seconds, [dnl +AS_IF([sleep 0.001 2>/dev/null], [am_cv_sleep_fractional_seconds=yes], + [am_cv_sleep_fractional_seconds=no]) +])]) + +# _AM_FILESYSTEM_TIMESTAMP_RESOLUTION +# ----------------------------------- +# Determine the filesystem's resolution for file modification +# timestamps. The coarsest we know of is FAT, with a resolution +# of only two seconds, even with the most recent "exFAT" extensions. +# The finest (e.g. ext4 with large inodes, XFS, ZFS) is one +# nanosecond, matching clock_gettime. However, it is probably not +# possible to delay execution of a shell script for less than one +# millisecond, due to process creation overhead and scheduling +# granularity, so we don't check for anything finer than that. (See below.) +AC_DEFUN([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION], [dnl +AC_REQUIRE([_AM_SLEEP_FRACTIONAL_SECONDS]) +AC_CACHE_CHECK([filesystem timestamp resolution], + am_cv_filesystem_timestamp_resolution, [dnl +# Default to the worst case. +am_cv_filesystem_timestamp_resolution=2 + +# Only try to go finer than 1 sec if sleep can do it. +# Don't try 1 sec, because if 0.01 sec and 0.1 sec don't work, +# - 1 sec is not much of a win compared to 2 sec, and +# - it takes 2 seconds to perform the test whether 1 sec works. +# +# Instead, just use the default 2s on platforms that have 1s resolution, +# accept the extra 1s delay when using $sleep in the Automake tests, in +# exchange for not incurring the 2s delay for running the test for all +# packages. +# +am_try_resolutions= +if test "$am_cv_sleep_fractional_seconds" = yes; then + # Even a millisecond often causes a bunch of false positives, + # so just try a hundredth of a second. The time saved between .001 and + # .01 is not terribly consequential. + am_try_resolutions="0.01 0.1 $am_try_resolutions" +fi + +# In order to catch current-generation FAT out, we must *modify* files +# that already exist; the *creation* timestamp is finer. Use names +# that make ls -t sort them differently when they have equal +# timestamps than when they have distinct timestamps, keeping +# in mind that ls -t prints the *newest* file first. +rm -f conftest.ts? +: > conftest.ts1 +: > conftest.ts2 +: > conftest.ts3 + +# Make sure ls -t actually works. Do 'set' in a subshell so we don't +# clobber the current shell's arguments. (Outer-level square brackets +# are removed by m4; they're present so that m4 does not expand +# ; be careful, easy to get confused.) +if ( + set X `[ls -t conftest.ts[12]]` && + { + test "$[]*" != "X conftest.ts1 conftest.ts2" || + test "$[]*" != "X conftest.ts2 conftest.ts1"; + } +); then :; else + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + _AS_ECHO_UNQUOTED( + ["Bad output from ls -t: \"`[ls -t conftest.ts[12]]`\""], + [AS_MESSAGE_LOG_FD]) + AC_MSG_FAILURE([ls -t produces unexpected output. +Make sure there is not a broken ls alias in your environment.]) +fi -# serial 3 +for am_try_res in $am_try_resolutions; do + # Any one fine-grained sleep might happen to cross the boundary + # between two values of a coarser actual resolution, but if we do + # two fine-grained sleeps in a row, at least one of them will fall + # entirely within a coarse interval. + echo alpha > conftest.ts1 + sleep $am_try_res + echo beta > conftest.ts2 + sleep $am_try_res + echo gamma > conftest.ts3 + + # We assume that 'ls -t' will make use of high-resolution + # timestamps if the operating system supports them at all. + if (set X `ls -t conftest.ts?` && + test "$[]2" = conftest.ts3 && + test "$[]3" = conftest.ts2 && + test "$[]4" = conftest.ts1); then + # + # Ok, ls -t worked. If we're at a resolution of 1 second, we're done, + # because we don't need to test make. + make_ok=true + if test $am_try_res != 1; then + # But if we've succeeded so far with a subsecond resolution, we + # have one more thing to check: make. It can happen that + # everything else supports the subsecond mtimes, but make doesn't; + # notably on macOS, which ships make 3.81 from 2006 (the last one + # released under GPLv2). https://bugs.gnu.org/68808 + # + # We test $MAKE if it is defined in the environment, else "make". + # It might get overridden later, but our hope is that in practice + # it does not matter: it is the system "make" which is (by far) + # the most likely to be broken, whereas if the user overrides it, + # probably they did so with a better, or at least not worse, make. + # https://lists.gnu.org/archive/html/automake/2024-06/msg00051.html + # + # Create a Makefile (real tab character here): + rm -f conftest.mk + echo 'conftest.ts1: conftest.ts2' >conftest.mk + echo ' touch conftest.ts2' >>conftest.mk + # + # Now, running + # touch conftest.ts1; touch conftest.ts2; make + # should touch ts1 because ts2 is newer. This could happen by luck, + # but most often, it will fail if make's support is insufficient. So + # test for several consecutive successes. + # + # (We reuse conftest.ts[12] because we still want to modify existing + # files, not create new ones, per above.) + n=0 + make=${MAKE-make} + until test $n -eq 3; do + echo one > conftest.ts1 + sleep $am_try_res + echo two > conftest.ts2 # ts2 should now be newer than ts1 + if $make -f conftest.mk | grep 'up to date' >/dev/null; then + make_ok=false + break # out of $n loop + fi + n=`expr $n + 1` + done + fi + # + if $make_ok; then + # Everything we know to check worked out, so call this resolution good. + am_cv_filesystem_timestamp_resolution=$am_try_res + break # out of $am_try_res loop + fi + # Otherwise, we'll go on to check the next resolution. + fi +done +rm -f conftest.ts? +# (end _am_filesystem_timestamp_resolution) +])]) # AM_SANITY_CHECK # --------------- AC_DEFUN([AM_SANITY_CHECK], -[AC_MSG_CHECKING([whether build environment is sane]) -# Just in case -sleep 1 -echo timestamp > conftest.file -# Do `set' in a subshell so we don't clobber the current shell's +[AC_REQUIRE([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION]) +# This check should not be cached, as it may vary across builds of +# different projects. +AC_MSG_CHECKING([whether build environment is sane]) +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[[\\\"\#\$\&\'\`$am_lf]]*) + AC_MSG_ERROR([unsafe absolute working directory name]);; +esac +case $srcdir in + *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) + AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's # arguments. Must try -L first in case configure is actually a # symlink; some systems play weird games with the mod time of symlinks # (eg FreeBSD returns the mod time of the symlink's containing # directory). -if ( - set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` - if test "$[*]" = "X"; then +am_build_env_is_sane=no +am_has_slept=no +rm -f conftest.file +for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + if ( + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$[]*" = "X"; then # -L didn't work. - set X `ls -t $srcdir/configure conftest.file` - fi - rm -f conftest.file - if test "$[*]" != "X $srcdir/configure conftest.file" \ - && test "$[*]" != "X conftest.file $srcdir/configure"; then - - # If neither matched, then we have a broken ls. This can happen - # if, for instance, CONFIG_SHELL is bash and it inherits a - # broken ls alias from the environment. This has actually - # happened. Such a system could not be considered "sane". - AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken -alias in your environment]) - fi + set X `ls -t "$srcdir/configure" conftest.file` + fi + test "$[]2" = conftest.file + ); then + am_build_env_is_sane=yes + break + fi + # Just in case. + sleep "$am_cv_filesystem_timestamp_resolution" + am_has_slept=yes +done - test "$[2]" = conftest.file - ) -then - # Ok. - : -else - AC_MSG_ERROR([newly created file is older than distributed files! +AC_MSG_RESULT([$am_build_env_is_sane]) +if test "$am_build_env_is_sane" = no; then + AC_MSG_ERROR([newly created file is older than distributed files! Check your system clock]) fi -AC_MSG_RESULT(yes)]) -# AM_PROG_INSTALL_STRIP +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +AS_IF([test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1],, [dnl + ( sleep "$am_cv_filesystem_timestamp_resolution" ) & + am_sleep_pid=$! +]) +AC_CONFIG_COMMANDS_PRE( + [AC_MSG_CHECKING([that generated files are newer than configure]) + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + AC_MSG_RESULT([done])]) +rm -f conftest.file +]) + +# Copyright (C) 2009-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# Copyright (C) 2001, 2003 Free Software Foundation, Inc. +# _AM_SILENT_RULES +# ---------------- +# Enable less verbose build rules support. +AC_DEFUN([_AM_SILENT_RULES], +[AM_DEFAULT_VERBOSITY=1 +AC_ARG_ENABLE([silent-rules], [dnl +AS_HELP_STRING( + [--enable-silent-rules], + [less verbose build output (undo: "make V=1")]) +AS_HELP_STRING( + [--disable-silent-rules], + [verbose build output (undo: "make V=0")])dnl +]) +dnl +dnl A few 'make' implementations (e.g., NonStop OS and NextStep) +dnl do not support nested variable expansions. +dnl See automake bug#9928 and bug#10237. +am_make=${MAKE-make} +AC_CACHE_CHECK([whether $am_make supports nested variables], + [am_cv_make_support_nested_variables], + [if AS_ECHO([['TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi]) +AC_SUBST([AM_V])dnl +AM_SUBST_NOTMAKE([AM_V])dnl +AC_SUBST([AM_DEFAULT_V])dnl +AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl +AC_SUBST([AM_DEFAULT_VERBOSITY])dnl +AM_BACKSLASH='\' +AC_SUBST([AM_BACKSLASH])dnl +_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl +dnl Delay evaluation of AM_DEFAULT_VERBOSITY to the end to allow multiple calls +dnl to AM_SILENT_RULES to change the default value. +AC_CONFIG_COMMANDS_PRE([dnl +case $enable_silent_rules in @%:@ ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; +esac +if test $am_cv_make_support_nested_variables = yes; then + dnl Using '$V' instead of '$(V)' breaks IRIX make. + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +])dnl +]) -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# AM_SILENT_RULES([DEFAULT]) +# -------------------------- +# Set the default verbosity level to DEFAULT ("yes" being less verbose, "no" or +# empty being verbose). +AC_DEFUN([AM_SILENT_RULES], +[AC_REQUIRE([_AM_SILENT_RULES]) +AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1])]) -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# Copyright (C) 2001-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# One issue with vendor `install' (even GNU) is that you can't +# AM_PROG_INSTALL_STRIP +# --------------------- +# One issue with vendor 'install' (even GNU) is that you can't # specify the program used to strip binaries. This is especially # annoying in cross-compiling environments, where the build's strip # is unlikely to handle the host's binaries. # Fortunately install-sh will honor a STRIPPROG variable, so we -# always use install-sh in `make install-strip', and initialize +# always use install-sh in "make install-strip", and initialize # STRIPPROG with the value of the STRIP variable (set by the user). AC_DEFUN([AM_PROG_INSTALL_STRIP], [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl -# Installed binaries are usually stripped using `strip' when the user -# run `make install-strip'. However `strip' might not be the right +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right # tool to use in cross-compilation environments, therefore Automake -# will honor the `STRIP' environment variable to overrule this program. -dnl Don't test for $cross_compiling = yes, because it might be `maybe'. +# will honor the 'STRIP' environment variable to overrule this program. +dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. if test "$cross_compiling" != no; then AC_CHECK_TOOL([STRIP], [strip], :) fi -INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" AC_SUBST([INSTALL_STRIP_PROGRAM])]) -# Check how to create a tarball. -*- Autoconf -*- - -# Copyright (C) 2004 Free Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# Copyright (C) 2006-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# _AM_SUBST_NOTMAKE(VARIABLE) +# --------------------------- +# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. +# This macro is traced by Automake. +AC_DEFUN([_AM_SUBST_NOTMAKE]) + +# AM_SUBST_NOTMAKE(VARIABLE) +# -------------------------- +# Public sister of _AM_SUBST_NOTMAKE. +AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) -# serial 1 +# Check how to create a tarball. -*- Autoconf -*- +# Copyright (C) 2004-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. # _AM_PROG_TAR(FORMAT) # -------------------- # Check how to create a tarball in format FORMAT. -# FORMAT should be one of `v7', `ustar', or `pax'. +# FORMAT should be one of 'v7', 'ustar', or 'pax'. # # Substitute a variable $(am__tar) that is a command # writing to stdout a FORMAT-tarball containing the directory @@ -969,77 +1169,146 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])]) # Substitute a variable $(am__untar) that extract such # a tarball read from stdin. # $(am__untar) < result.tar +# AC_DEFUN([_AM_PROG_TAR], -[# Always define AMTAR for backward compatibility. -AM_MISSING_PROG([AMTAR], [tar]) -m4_if([$1], [v7], - [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], - [m4_case([$1], [ustar],, [pax],, - [m4_fatal([Unknown tar format])]) -AC_MSG_CHECKING([how to create a $1 tar archive]) -# Loop over all known methods to create a tar archive until one works. +[# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' -_am_tools=${am_cv_prog_tar_$1-$_am_tools} -# Do not fold the above two line into one, because Tru64 sh and -# Solaris sh will not grok spaces in the rhs of `-'. -for _am_tool in $_am_tools -do - case $_am_tool in - gnutar) - for _am_tar in tar gnutar gtar; - do - AM_RUN_LOG([$_am_tar --version]) && break - done - am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' - am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' - am__untar="$_am_tar -xf -" - ;; - plaintar) - # Must skip GNU tar: if it does not support --format= it doesn't create - # ustar tarball either. - (tar --version) >/dev/null 2>&1 && continue - am__tar='tar chf - "$$tardir"' - am__tar_='tar chf - "$tardir"' - am__untar='tar xf -' - ;; - pax) - am__tar='pax -L -x $1 -w "$$tardir"' - am__tar_='pax -L -x $1 -w "$tardir"' - am__untar='pax -r' - ;; - cpio) - am__tar='find "$$tardir" -print | cpio -o -H $1 -L' - am__tar_='find "$tardir" -print | cpio -o -H $1 -L' - am__untar='cpio -i -H $1 -d' - ;; - none) - am__tar=false - am__tar_=false - am__untar=false - ;; - esac - # If the value was cached, stop now. We just wanted to have am__tar - # and am__untar set. - test -n "${am_cv_prog_tar_$1}" && break +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], - # tar/untar a dummy directory, and stop if the command works - rm -rf conftest.dir - mkdir conftest.dir - echo GrepMe > conftest.dir/file - AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test x$am_uid = xunknown; then + AC_MSG_WARN([ancient id detected; assuming current UID is ok, but dist-ustar might not work]) + elif test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test x$gm_gid = xunknown; then + AC_MSG_WARN([ancient id detected; assuming current GID is ok, but dist-ustar might not work]) + elif test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done rm -rf conftest.dir - if test -s conftest.tar; then - AM_RUN_LOG([$am__untar /dev/null 2>&1 && break - fi -done -rm -rf conftest.dir -AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) -AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR -m4_include([acinclude.m4]) +# Copyright (C) 2022-2024 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_XARGS_N +# ---------------- +# Check whether 'xargs -n' works. It should work everywhere, so the fallback +# is not optimized at all as we never expect to use it. +AC_DEFUN([_AM_PROG_XARGS_N], +[AC_CACHE_CHECK([xargs -n works], am_cv_xargs_n_works, [dnl +AS_IF([test "`echo 1 2 3 | xargs -n2 echo`" = "1 2 +3"], [am_cv_xargs_n_works=yes], [am_cv_xargs_n_works=no])]) +AS_IF([test "$am_cv_xargs_n_works" = yes], [am__xargs_n='xargs -n'], [dnl + am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "$@" "$am__xargs_n_arg"; done; }' +])dnl +AC_SUBST(am__xargs_n) +]) + +m4_include([src/lib/ltdl/m4/libtool.m4]) +m4_include([src/lib/ltdl/m4/ltargz.m4]) +m4_include([src/lib/ltdl/m4/ltdl.m4]) +m4_include([src/lib/ltdl/m4/ltoptions.m4]) +m4_include([src/lib/ltdl/m4/ltsugar.m4]) +m4_include([src/lib/ltdl/m4/ltversion.m4]) +m4_include([src/lib/ltdl/m4/lt~obsolete.m4])