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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 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
624 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
626 # This file is free software; the Free Software Foundation
627 # gives unlimited permission to copy and/or distribute it,
628 # with or without modifications, as long as this notice is preserved.
630 # AM_MAINTAINER_MODE([DEFAULT-MODE])
631 # ----------------------------------
632 # Control maintainer-specific portions of Makefiles.
633 # Default is to disable them, unless 'enable' is passed literally.
634 # For symmetry, 'disable' may be passed as well. Anyway, the user
635 # can override the default with the --enable/--disable switch.
636 AC_DEFUN([AM_MAINTAINER_MODE],
637 [m4_case(m4_default([$1], [disable]),
638 [enable], [m4_define([am_maintainer_other], [disable])],
639 [disable], [m4_define([am_maintainer_other], [enable])],
640 [m4_define([am_maintainer_other], [enable])
641 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
642 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
643 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
644 AC_ARG_ENABLE([maintainer-mode],
645 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
646 am_maintainer_other[ make rules and dependencies not useful
647 (and sometimes confusing) to the casual installer])],
648 [USE_MAINTAINER_MODE=$enableval],
649 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
650 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
651 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
652 MAINT=$MAINTAINER_MODE_TRUE
657 # Check to see how 'make' treats includes. -*- Autoconf -*-
659 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
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.
667 # Check whether make has an 'include' directive that can support all
668 # the idioms we need for our automatic dependency tracking code.
669 AC_DEFUN([AM_MAKE_INCLUDE],
670 [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
671 cat > confinc.mk << 'END'
673 @echo this is the am__doit target >confinc.out
678 # BSD make does it like this.
679 echo '.include "confinc.mk" # ignored' > confmf.BSD
680 # Other make implementations (GNU, Solaris 10, AIX) do it like this.
681 echo 'include confinc.mk # ignored' > confmf.GNU
684 AM_RUN_LOG([${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'],
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)"
695 rm -f confinc.* confmf.*
696 AC_MSG_RESULT([${_am_result}])
697 AC_SUBST([am__include])])
698 AC_SUBST([am__quote])])
700 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
702 # Copyright (C) 1997-2020 Free Software Foundation, Inc.
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.
708 # AM_MISSING_PROG(NAME, PROGRAM)
709 # ------------------------------
710 AC_DEFUN([AM_MISSING_PROG],
711 [AC_REQUIRE([AM_MISSING_HAS_RUN])
712 $1=${$1-"${am_missing_run}$2"}
717 # Define MISSING if not defined so far and test if it is modern enough.
718 # If it is, set am_missing_run to use it, otherwise, to nothing.
719 AC_DEFUN([AM_MISSING_HAS_RUN],
720 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
721 AC_REQUIRE_AUX_FILE([missing])dnl
722 if test x"${MISSING+set}" != xset; then
725 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
727 MISSING="\${SHELL} $am_aux_dir/missing" ;;
730 # Use eval to expand $SHELL
731 if eval "$MISSING --is-lightweight"; then
732 am_missing_run="$MISSING "
735 AC_MSG_WARN(['missing' script is too old or missing])
739 # Helper functions for option handling. -*- Autoconf -*-
741 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
743 # This file is free software; the Free Software Foundation
744 # gives unlimited permission to copy and/or distribute it,
745 # with or without modifications, as long as this notice is preserved.
747 # _AM_MANGLE_OPTION(NAME)
748 # -----------------------
749 AC_DEFUN([_AM_MANGLE_OPTION],
750 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
752 # _AM_SET_OPTION(NAME)
753 # --------------------
754 # Set option NAME. Presently that only means defining a flag for this option.
755 AC_DEFUN([_AM_SET_OPTION],
756 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
758 # _AM_SET_OPTIONS(OPTIONS)
759 # ------------------------
760 # OPTIONS is a space-separated list of Automake options.
761 AC_DEFUN([_AM_SET_OPTIONS],
762 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
764 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
765 # -------------------------------------------
766 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
767 AC_DEFUN([_AM_IF_OPTION],
768 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
770 # Copyright (C) 1999-2020 Free Software Foundation, Inc.
772 # This file is free software; the Free Software Foundation
773 # gives unlimited permission to copy and/or distribute it,
774 # with or without modifications, as long as this notice is preserved.
778 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
779 # to automatically call this.
780 AC_DEFUN([_AM_PROG_CC_C_O],
781 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
782 AC_REQUIRE_AUX_FILE([compile])dnl
785 [whether $CC understands -c and -o together],
787 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
788 # Make sure it works both with $CC and with simple cc.
789 # Following AC_PROG_CC_C_O, we do the test twice because some
790 # compilers refuse to overwrite an existing .o file with -o,
791 # though they will create one.
792 am_cv_prog_cc_c_o=yes
794 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
795 && test -f conftest2.$ac_objext; then
804 if test "$am_cv_prog_cc_c_o" != yes; then
805 # Losing compiler, so override with the script.
806 # FIXME: It is wrong to rewrite CC.
807 # But if we don't then we get into trouble of one sort or another.
808 # A longer-term fix would be to have automake use am__CC in this case,
809 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
810 CC="$am_aux_dir/compile $CC"
814 # For backward compatibility.
815 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
817 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
819 # This file is free software; the Free Software Foundation
820 # gives unlimited permission to copy and/or distribute it,
821 # with or without modifications, as long as this notice is preserved.
823 # AM_RUN_LOG(COMMAND)
824 # -------------------
825 # Run COMMAND, save the exit status in ac_status, and log it.
826 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
827 AC_DEFUN([AM_RUN_LOG],
828 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
829 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
831 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
832 (exit $ac_status); }])
834 # Check to make sure that the build environment is sane. -*- Autoconf -*-
836 # Copyright (C) 1996-2020 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.
844 AC_DEFUN([AM_SANITY_CHECK],
845 [AC_MSG_CHECKING([whether build environment is sane])
846 # Reject unsafe characters in $srcdir or the absolute working directory
847 # name. Accept space and tab only in the latter.
851 *[[\\\"\#\$\&\'\`$am_lf]]*)
852 AC_MSG_ERROR([unsafe absolute working directory name]);;
855 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
856 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
859 # Do 'set' in a subshell so we don't clobber the current shell's
860 # arguments. Must try -L first in case configure is actually a
861 # symlink; some systems play weird games with the mod time of symlinks
862 # (eg FreeBSD returns the mod time of the symlink's containing
866 for am_try in 1 2; do
867 echo "timestamp, slept: $am_has_slept" > conftest.file
868 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
869 if test "$[*]" = "X"; then
871 set X `ls -t "$srcdir/configure" conftest.file`
873 if test "$[*]" != "X $srcdir/configure conftest.file" \
874 && test "$[*]" != "X conftest.file $srcdir/configure"; then
876 # If neither matched, then we have a broken ls. This can happen
877 # if, for instance, CONFIG_SHELL is bash and it inherits a
878 # broken ls alias from the environment. This has actually
879 # happened. Such a system could not be considered "sane".
880 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
881 alias in your environment])
883 if test "$[2]" = conftest.file || test $am_try -eq 2; then
890 test "$[2]" = conftest.file
896 AC_MSG_ERROR([newly created file is older than distributed files!
897 Check your system clock])
900 # If we didn't sleep, we still need to ensure time stamps of config.status and
901 # generated files are strictly newer.
903 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
907 AC_CONFIG_COMMANDS_PRE(
908 [AC_MSG_CHECKING([that generated files are newer than configure])
909 if test -n "$am_sleep_pid"; then
910 # Hide warnings about reused PIDs.
911 wait $am_sleep_pid 2>/dev/null
913 AC_MSG_RESULT([done])])
917 # Copyright (C) 2009-2020 Free Software Foundation, Inc.
919 # This file is free software; the Free Software Foundation
920 # gives unlimited permission to copy and/or distribute it,
921 # with or without modifications, as long as this notice is preserved.
923 # AM_SILENT_RULES([DEFAULT])
924 # --------------------------
925 # Enable less verbose build rules; with the default set to DEFAULT
926 # ("yes" being less verbose, "no" or empty being verbose).
927 AC_DEFUN([AM_SILENT_RULES],
928 [AC_ARG_ENABLE([silent-rules], [dnl
930 [--enable-silent-rules],
931 [less verbose build output (undo: "make V=1")])
933 [--disable-silent-rules],
934 [verbose build output (undo: "make V=0")])dnl
936 case $enable_silent_rules in @%:@ (((
937 yes) AM_DEFAULT_VERBOSITY=0;;
938 no) AM_DEFAULT_VERBOSITY=1;;
939 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
942 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
943 dnl do not support nested variable expansions.
944 dnl See automake bug#9928 and bug#10237.
946 AC_CACHE_CHECK([whether $am_make supports nested variables],
947 [am_cv_make_support_nested_variables],
948 [if AS_ECHO([['TRUE=$(BAR$(V))
954 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
955 am_cv_make_support_nested_variables=yes
957 am_cv_make_support_nested_variables=no
959 if test $am_cv_make_support_nested_variables = yes; then
960 dnl Using '$V' instead of '$(V)' breaks IRIX make.
962 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
964 AM_V=$AM_DEFAULT_VERBOSITY
965 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
968 AM_SUBST_NOTMAKE([AM_V])dnl
969 AC_SUBST([AM_DEFAULT_V])dnl
970 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
971 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
973 AC_SUBST([AM_BACKSLASH])dnl
974 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
977 # Copyright (C) 2001-2020 Free Software Foundation, Inc.
979 # This file is free software; the Free Software Foundation
980 # gives unlimited permission to copy and/or distribute it,
981 # with or without modifications, as long as this notice is preserved.
983 # AM_PROG_INSTALL_STRIP
984 # ---------------------
985 # One issue with vendor 'install' (even GNU) is that you can't
986 # specify the program used to strip binaries. This is especially
987 # annoying in cross-compiling environments, where the build's strip
988 # is unlikely to handle the host's binaries.
989 # Fortunately install-sh will honor a STRIPPROG variable, so we
990 # always use install-sh in "make install-strip", and initialize
991 # STRIPPROG with the value of the STRIP variable (set by the user).
992 AC_DEFUN([AM_PROG_INSTALL_STRIP],
993 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
994 # Installed binaries are usually stripped using 'strip' when the user
995 # run "make install-strip". However 'strip' might not be the right
996 # tool to use in cross-compilation environments, therefore Automake
997 # will honor the 'STRIP' environment variable to overrule this program.
998 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
999 if test "$cross_compiling" != no; then
1000 AC_CHECK_TOOL([STRIP], [strip], :)
1002 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1003 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1005 # Copyright (C) 2006-2020 Free Software Foundation, Inc.
1007 # This file is free software; the Free Software Foundation
1008 # gives unlimited permission to copy and/or distribute it,
1009 # with or without modifications, as long as this notice is preserved.
1011 # _AM_SUBST_NOTMAKE(VARIABLE)
1012 # ---------------------------
1013 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1014 # This macro is traced by Automake.
1015 AC_DEFUN([_AM_SUBST_NOTMAKE])
1017 # AM_SUBST_NOTMAKE(VARIABLE)
1018 # --------------------------
1019 # Public sister of _AM_SUBST_NOTMAKE.
1020 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1022 # Check how to create a tarball. -*- Autoconf -*-
1024 # Copyright (C) 2004-2020 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_PROG_TAR(FORMAT)
1031 # --------------------
1032 # Check how to create a tarball in format FORMAT.
1033 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1035 # Substitute a variable $(am__tar) that is a command
1036 # writing to stdout a FORMAT-tarball containing the directory
1038 # tardir=directory && $(am__tar) > result.tar
1040 # Substitute a variable $(am__untar) that extract such
1041 # a tarball read from stdin.
1042 # $(am__untar) < result.tar
1044 AC_DEFUN([_AM_PROG_TAR],
1045 [# Always define AMTAR for backward compatibility. Yes, it's still used
1046 # in the wild :-( We should find a proper way to deprecate it ...
1047 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1049 # We'll loop over all known methods to create a tar archive until one works.
1050 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1053 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1057 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1058 # There is notably a 21 bits limit for the UID and the GID. In fact,
1059 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1061 am_max_uid=2097151 # 2^21 - 1
1062 am_max_gid=$am_max_uid
1063 # The $UID and $GID variables are not portable, so we need to resort
1064 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1065 # below are definitely unexpected, so allow the users to see them
1066 # (that is, avoid stderr redirection).
1067 am_uid=`id -u || echo unknown`
1068 am_gid=`id -g || echo unknown`
1069 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1070 if test $am_uid -le $am_max_uid; then
1071 AC_MSG_RESULT([yes])
1076 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1077 if test $am_gid -le $am_max_gid; then
1078 AC_MSG_RESULT([yes])
1087 [m4_fatal([Unknown tar format])])
1089 AC_MSG_CHECKING([how to create a $1 tar archive])
1091 # Go ahead even if we have the value already cached. We do so because we
1092 # need to set the values for the 'am__tar' and 'am__untar' variables.
1093 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1095 for _am_tool in $_am_tools; do
1098 for _am_tar in tar gnutar gtar; do
1099 AM_RUN_LOG([$_am_tar --version]) && break
1101 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1102 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1103 am__untar="$_am_tar -xf -"
1106 # Must skip GNU tar: if it does not support --format= it doesn't create
1107 # ustar tarball either.
1108 (tar --version) >/dev/null 2>&1 && continue
1109 am__tar='tar chf - "$$tardir"'
1110 am__tar_='tar chf - "$tardir"'
1111 am__untar='tar xf -'
1114 am__tar='pax -L -x $1 -w "$$tardir"'
1115 am__tar_='pax -L -x $1 -w "$tardir"'
1119 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1120 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1121 am__untar='cpio -i -H $1 -d'
1130 # If the value was cached, stop now. We just wanted to have am__tar
1131 # and am__untar set.
1132 test -n "${am_cv_prog_tar_$1}" && break
1134 # tar/untar a dummy directory, and stop if the command works.
1137 echo GrepMe > conftest.dir/file
1138 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1140 if test -s conftest.tar; then
1141 AM_RUN_LOG([$am__untar <conftest.tar])
1142 AM_RUN_LOG([cat conftest.dir/file])
1143 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1148 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1149 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1152 AC_SUBST([am__untar])
1155 m4_include([../config/depstand.m4])
1156 m4_include([../config/lead-dot.m4])
1157 m4_include([../config/multi.m4])
1158 m4_include([../config/override.m4])
1159 m4_include([../ltoptions.m4])
1160 m4_include([../ltsugar.m4])
1161 m4_include([../ltversion.m4])
1162 m4_include([../lt~obsolete.m4])
1163 m4_include([acinclude.m4])