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3 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
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595 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
598 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
600 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
602 # This file is free software; the Free Software Foundation
603 # gives unlimited permission to copy and/or distribute it,
604 # with or without modifications, as long as this notice is preserved.
608 # Define $install_sh.
609 AC_DEFUN([AM_PROG_INSTALL_SH],
610 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
611 if test x"${install_sh+set}" != xset; then
614 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
616 install_sh="\${SHELL} $am_aux_dir/install-sh"
619 AC_SUBST([install_sh])])
621 # Copyright (C) 2003-2020 Free Software Foundation, Inc.
623 # This file is free software; the Free Software Foundation
624 # gives unlimited permission to copy and/or distribute it,
625 # with or without modifications, as long as this notice is preserved.
627 # Check whether the underlying file-system supports filenames
628 # with a leading dot. For instance MS-DOS doesn't.
629 AC_DEFUN([AM_SET_LEADING_DOT],
630 [rm -rf .tst 2>/dev/null
631 mkdir .tst 2>/dev/null
632 if test -d .tst; then
637 rmdir .tst 2>/dev/null
638 AC_SUBST([am__leading_dot])])
640 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
643 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
645 # This file is free software; the Free Software Foundation
646 # gives unlimited permission to copy and/or distribute it,
647 # with or without modifications, as long as this notice is preserved.
649 # AM_MAINTAINER_MODE([DEFAULT-MODE])
650 # ----------------------------------
651 # Control maintainer-specific portions of Makefiles.
652 # Default is to disable them, unless 'enable' is passed literally.
653 # For symmetry, 'disable' may be passed as well. Anyway, the user
654 # can override the default with the --enable/--disable switch.
655 AC_DEFUN([AM_MAINTAINER_MODE],
656 [m4_case(m4_default([$1], [disable]),
657 [enable], [m4_define([am_maintainer_other], [disable])],
658 [disable], [m4_define([am_maintainer_other], [enable])],
659 [m4_define([am_maintainer_other], [enable])
660 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
661 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
662 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
663 AC_ARG_ENABLE([maintainer-mode],
664 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
665 am_maintainer_other[ make rules and dependencies not useful
666 (and sometimes confusing) to the casual installer])],
667 [USE_MAINTAINER_MODE=$enableval],
668 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
669 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
670 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
671 MAINT=$MAINTAINER_MODE_TRUE
676 # Check to see how 'make' treats includes. -*- Autoconf -*-
678 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
680 # This file is free software; the Free Software Foundation
681 # gives unlimited permission to copy and/or distribute it,
682 # with or without modifications, as long as this notice is preserved.
686 # Check whether make has an 'include' directive that can support all
687 # the idioms we need for our automatic dependency tracking code.
688 AC_DEFUN([AM_MAKE_INCLUDE],
689 [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
690 cat > confinc.mk << 'END'
692 @echo this is the am__doit target >confinc.out
697 # BSD make does it like this.
698 echo '.include "confinc.mk" # ignored' > confmf.BSD
699 # Other make implementations (GNU, Solaris 10, AIX) do it like this.
700 echo 'include confinc.mk # ignored' > confmf.GNU
703 AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
704 AS_CASE([$?:`cat confinc.out 2>/dev/null`],
705 ['0:this is the am__doit target'],
707 [BSD], [am__include='.include' am__quote='"'],
708 [am__include='include' am__quote=''])])
709 if test "$am__include" != "#"; then
710 _am_result="yes ($s style)"
714 rm -f confinc.* confmf.*
715 AC_MSG_RESULT([${_am_result}])
716 AC_SUBST([am__include])])
717 AC_SUBST([am__quote])])
719 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
721 # Copyright (C) 1997-2020 Free Software Foundation, Inc.
723 # This file is free software; the Free Software Foundation
724 # gives unlimited permission to copy and/or distribute it,
725 # with or without modifications, as long as this notice is preserved.
727 # AM_MISSING_PROG(NAME, PROGRAM)
728 # ------------------------------
729 AC_DEFUN([AM_MISSING_PROG],
730 [AC_REQUIRE([AM_MISSING_HAS_RUN])
731 $1=${$1-"${am_missing_run}$2"}
736 # Define MISSING if not defined so far and test if it is modern enough.
737 # If it is, set am_missing_run to use it, otherwise, to nothing.
738 AC_DEFUN([AM_MISSING_HAS_RUN],
739 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
740 AC_REQUIRE_AUX_FILE([missing])dnl
741 if test x"${MISSING+set}" != xset; then
744 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
746 MISSING="\${SHELL} $am_aux_dir/missing" ;;
749 # Use eval to expand $SHELL
750 if eval "$MISSING --is-lightweight"; then
751 am_missing_run="$MISSING "
754 AC_MSG_WARN(['missing' script is too old or missing])
758 # Helper functions for option handling. -*- Autoconf -*-
760 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
762 # This file is free software; the Free Software Foundation
763 # gives unlimited permission to copy and/or distribute it,
764 # with or without modifications, as long as this notice is preserved.
766 # _AM_MANGLE_OPTION(NAME)
767 # -----------------------
768 AC_DEFUN([_AM_MANGLE_OPTION],
769 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
771 # _AM_SET_OPTION(NAME)
772 # --------------------
773 # Set option NAME. Presently that only means defining a flag for this option.
774 AC_DEFUN([_AM_SET_OPTION],
775 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
777 # _AM_SET_OPTIONS(OPTIONS)
778 # ------------------------
779 # OPTIONS is a space-separated list of Automake options.
780 AC_DEFUN([_AM_SET_OPTIONS],
781 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
783 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
784 # -------------------------------------------
785 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
786 AC_DEFUN([_AM_IF_OPTION],
787 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
789 # Copyright (C) 1999-2020 Free Software Foundation, Inc.
791 # This file is free software; the Free Software Foundation
792 # gives unlimited permission to copy and/or distribute it,
793 # with or without modifications, as long as this notice is preserved.
797 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
798 # to automatically call this.
799 AC_DEFUN([_AM_PROG_CC_C_O],
800 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
801 AC_REQUIRE_AUX_FILE([compile])dnl
804 [whether $CC understands -c and -o together],
806 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
807 # Make sure it works both with $CC and with simple cc.
808 # Following AC_PROG_CC_C_O, we do the test twice because some
809 # compilers refuse to overwrite an existing .o file with -o,
810 # though they will create one.
811 am_cv_prog_cc_c_o=yes
813 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
814 && test -f conftest2.$ac_objext; then
823 if test "$am_cv_prog_cc_c_o" != yes; then
824 # Losing compiler, so override with the script.
825 # FIXME: It is wrong to rewrite CC.
826 # But if we don't then we get into trouble of one sort or another.
827 # A longer-term fix would be to have automake use am__CC in this case,
828 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
829 CC="$am_aux_dir/compile $CC"
833 # For backward compatibility.
834 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
836 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
838 # This file is free software; the Free Software Foundation
839 # gives unlimited permission to copy and/or distribute it,
840 # with or without modifications, as long as this notice is preserved.
842 # AM_RUN_LOG(COMMAND)
843 # -------------------
844 # Run COMMAND, save the exit status in ac_status, and log it.
845 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
846 AC_DEFUN([AM_RUN_LOG],
847 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
848 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
850 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
851 (exit $ac_status); }])
853 # Check to make sure that the build environment is sane. -*- Autoconf -*-
855 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
857 # This file is free software; the Free Software Foundation
858 # gives unlimited permission to copy and/or distribute it,
859 # with or without modifications, as long as this notice is preserved.
863 AC_DEFUN([AM_SANITY_CHECK],
864 [AC_MSG_CHECKING([whether build environment is sane])
865 # Reject unsafe characters in $srcdir or the absolute working directory
866 # name. Accept space and tab only in the latter.
870 *[[\\\"\#\$\&\'\`$am_lf]]*)
871 AC_MSG_ERROR([unsafe absolute working directory name]);;
874 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
875 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
878 # Do 'set' in a subshell so we don't clobber the current shell's
879 # arguments. Must try -L first in case configure is actually a
880 # symlink; some systems play weird games with the mod time of symlinks
881 # (eg FreeBSD returns the mod time of the symlink's containing
885 for am_try in 1 2; do
886 echo "timestamp, slept: $am_has_slept" > conftest.file
887 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
888 if test "$[*]" = "X"; then
890 set X `ls -t "$srcdir/configure" conftest.file`
892 if test "$[*]" != "X $srcdir/configure conftest.file" \
893 && test "$[*]" != "X conftest.file $srcdir/configure"; then
895 # If neither matched, then we have a broken ls. This can happen
896 # if, for instance, CONFIG_SHELL is bash and it inherits a
897 # broken ls alias from the environment. This has actually
898 # happened. Such a system could not be considered "sane".
899 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
900 alias in your environment])
902 if test "$[2]" = conftest.file || test $am_try -eq 2; then
909 test "$[2]" = conftest.file
915 AC_MSG_ERROR([newly created file is older than distributed files!
916 Check your system clock])
919 # If we didn't sleep, we still need to ensure time stamps of config.status and
920 # generated files are strictly newer.
922 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
926 AC_CONFIG_COMMANDS_PRE(
927 [AC_MSG_CHECKING([that generated files are newer than configure])
928 if test -n "$am_sleep_pid"; then
929 # Hide warnings about reused PIDs.
930 wait $am_sleep_pid 2>/dev/null
932 AC_MSG_RESULT([done])])
936 # Copyright (C) 2009-2020 Free Software Foundation, Inc.
938 # This file is free software; the Free Software Foundation
939 # gives unlimited permission to copy and/or distribute it,
940 # with or without modifications, as long as this notice is preserved.
942 # AM_SILENT_RULES([DEFAULT])
943 # --------------------------
944 # Enable less verbose build rules; with the default set to DEFAULT
945 # ("yes" being less verbose, "no" or empty being verbose).
946 AC_DEFUN([AM_SILENT_RULES],
947 [AC_ARG_ENABLE([silent-rules], [dnl
949 [--enable-silent-rules],
950 [less verbose build output (undo: "make V=1")])
952 [--disable-silent-rules],
953 [verbose build output (undo: "make V=0")])dnl
955 case $enable_silent_rules in @%:@ (((
956 yes) AM_DEFAULT_VERBOSITY=0;;
957 no) AM_DEFAULT_VERBOSITY=1;;
958 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
961 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
962 dnl do not support nested variable expansions.
963 dnl See automake bug#9928 and bug#10237.
965 AC_CACHE_CHECK([whether $am_make supports nested variables],
966 [am_cv_make_support_nested_variables],
967 [if AS_ECHO([['TRUE=$(BAR$(V))
973 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
974 am_cv_make_support_nested_variables=yes
976 am_cv_make_support_nested_variables=no
978 if test $am_cv_make_support_nested_variables = yes; then
979 dnl Using '$V' instead of '$(V)' breaks IRIX make.
981 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
983 AM_V=$AM_DEFAULT_VERBOSITY
984 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
987 AM_SUBST_NOTMAKE([AM_V])dnl
988 AC_SUBST([AM_DEFAULT_V])dnl
989 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
990 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
992 AC_SUBST([AM_BACKSLASH])dnl
993 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
996 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
998 # This file is free software; the Free Software Foundation
999 # gives unlimited permission to copy and/or distribute it,
1000 # with or without modifications, as long as this notice is preserved.
1002 # AM_PROG_INSTALL_STRIP
1003 # ---------------------
1004 # One issue with vendor 'install' (even GNU) is that you can't
1005 # specify the program used to strip binaries. This is especially
1006 # annoying in cross-compiling environments, where the build's strip
1007 # is unlikely to handle the host's binaries.
1008 # Fortunately install-sh will honor a STRIPPROG variable, so we
1009 # always use install-sh in "make install-strip", and initialize
1010 # STRIPPROG with the value of the STRIP variable (set by the user).
1011 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1012 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1013 # Installed binaries are usually stripped using 'strip' when the user
1014 # run "make install-strip". However 'strip' might not be the right
1015 # tool to use in cross-compilation environments, therefore Automake
1016 # will honor the 'STRIP' environment variable to overrule this program.
1017 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1018 if test "$cross_compiling" != no; then
1019 AC_CHECK_TOOL([STRIP], [strip], :)
1021 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1022 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1024 # Copyright (C) 2006-2020 Free Software Foundation, Inc.
1026 # This file is free software; the Free Software Foundation
1027 # gives unlimited permission to copy and/or distribute it,
1028 # with or without modifications, as long as this notice is preserved.
1030 # _AM_SUBST_NOTMAKE(VARIABLE)
1031 # ---------------------------
1032 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1033 # This macro is traced by Automake.
1034 AC_DEFUN([_AM_SUBST_NOTMAKE])
1036 # AM_SUBST_NOTMAKE(VARIABLE)
1037 # --------------------------
1038 # Public sister of _AM_SUBST_NOTMAKE.
1039 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1041 # Check how to create a tarball. -*- Autoconf -*-
1043 # Copyright (C) 2004-2020 Free Software Foundation, Inc.
1045 # This file is free software; the Free Software Foundation
1046 # gives unlimited permission to copy and/or distribute it,
1047 # with or without modifications, as long as this notice is preserved.
1049 # _AM_PROG_TAR(FORMAT)
1050 # --------------------
1051 # Check how to create a tarball in format FORMAT.
1052 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1054 # Substitute a variable $(am__tar) that is a command
1055 # writing to stdout a FORMAT-tarball containing the directory
1057 # tardir=directory && $(am__tar) > result.tar
1059 # Substitute a variable $(am__untar) that extract such
1060 # a tarball read from stdin.
1061 # $(am__untar) < result.tar
1063 AC_DEFUN([_AM_PROG_TAR],
1064 [# Always define AMTAR for backward compatibility. Yes, it's still used
1065 # in the wild :-( We should find a proper way to deprecate it ...
1066 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1068 # We'll loop over all known methods to create a tar archive until one works.
1069 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1072 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1076 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1077 # There is notably a 21 bits limit for the UID and the GID. In fact,
1078 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1080 am_max_uid=2097151 # 2^21 - 1
1081 am_max_gid=$am_max_uid
1082 # The $UID and $GID variables are not portable, so we need to resort
1083 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1084 # below are definitely unexpected, so allow the users to see them
1085 # (that is, avoid stderr redirection).
1086 am_uid=`id -u || echo unknown`
1087 am_gid=`id -g || echo unknown`
1088 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1089 if test $am_uid -le $am_max_uid; then
1090 AC_MSG_RESULT([yes])
1095 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1096 if test $am_gid -le $am_max_gid; then
1097 AC_MSG_RESULT([yes])
1106 [m4_fatal([Unknown tar format])])
1108 AC_MSG_CHECKING([how to create a $1 tar archive])
1110 # Go ahead even if we have the value already cached. We do so because we
1111 # need to set the values for the 'am__tar' and 'am__untar' variables.
1112 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1114 for _am_tool in $_am_tools; do
1117 for _am_tar in tar gnutar gtar; do
1118 AM_RUN_LOG([$_am_tar --version]) && break
1120 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1121 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1122 am__untar="$_am_tar -xf -"
1125 # Must skip GNU tar: if it does not support --format= it doesn't create
1126 # ustar tarball either.
1127 (tar --version) >/dev/null 2>&1 && continue
1128 am__tar='tar chf - "$$tardir"'
1129 am__tar_='tar chf - "$tardir"'
1130 am__untar='tar xf -'
1133 am__tar='pax -L -x $1 -w "$$tardir"'
1134 am__tar_='pax -L -x $1 -w "$tardir"'
1138 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1139 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1140 am__untar='cpio -i -H $1 -d'
1149 # If the value was cached, stop now. We just wanted to have am__tar
1150 # and am__untar set.
1151 test -n "${am_cv_prog_tar_$1}" && break
1153 # tar/untar a dummy directory, and stop if the command works.
1156 echo GrepMe > conftest.dir/file
1157 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1159 if test -s conftest.tar; then
1160 AM_RUN_LOG([$am__untar <conftest.tar])
1161 AM_RUN_LOG([cat conftest.dir/file])
1162 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1167 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1168 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1171 AC_SUBST([am__untar])
1174 m4_include([m4/ax_code_coverage.m4])
1175 m4_include([m4/ax_cxx_compile_stdcxx_11.m4])
1176 m4_include([m4/cares-compilers.m4])
1177 m4_include([m4/cares-confopts.m4])
1178 m4_include([m4/cares-functions.m4])
1179 m4_include([m4/cares-override.m4])
1180 m4_include([m4/cares-reentrant.m4])
1181 m4_include([m4/libtool.m4])
1182 m4_include([m4/ltoptions.m4])
1183 m4_include([m4/ltsugar.m4])
1184 m4_include([m4/ltversion.m4])
1185 m4_include([m4/lt~obsolete.m4])
1186 m4_include([m4/xc-am-iface.m4])
1187 m4_include([m4/xc-cc-check.m4])
1188 m4_include([m4/xc-lt-iface.m4])
1189 m4_include([m4/xc-translit.m4])
1190 m4_include([m4/xc-val-flgs.m4])
1191 m4_include([m4/zz40-xc-ovr.m4])
1192 m4_include([m4/zz50-xc-ovr.m4])
1193 m4_include([m4/zz60-xc-ovr.m4])
1194 m4_include([acinclude.m4])