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590 to "yes", and re-run configure.
593 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
596 dnl The trailing newline in this macro's definition is deliberate, for
597 dnl backward compatibility and to allow trailing 'dnl'-style comments
598 dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
601 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
602 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
603 dnl mangled by Autoconf and run in a shell conditional statement.
604 m4_define([_AC_COMPILER_EXEEXT],
605 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
607 # When config.status generates a header, we must update the stamp-h file.
608 # This file resides in the same directory as the config header
609 # that is generated. The stamp files are numbered to have different names.
611 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
612 # loop where config.status creates the headers, so we can generate
613 # our stamp files there.
614 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
615 [# Compute $1's index in $config_headers.
618 for _am_header in $config_headers :; do
620 $_am_arg | $_am_arg:* )
623 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
626 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
628 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
630 # This file is free software; the Free Software Foundation
631 # gives unlimited permission to copy and/or distribute it,
632 # with or without modifications, as long as this notice is preserved.
636 # Define $install_sh.
637 AC_DEFUN([AM_PROG_INSTALL_SH],
638 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
639 if test x"${install_sh+set}" != xset; then
642 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
644 install_sh="\${SHELL} $am_aux_dir/install-sh"
647 AC_SUBST([install_sh])])
649 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
652 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
654 # This file is free software; the Free Software Foundation
655 # gives unlimited permission to copy and/or distribute it,
656 # with or without modifications, as long as this notice is preserved.
658 # AM_MAINTAINER_MODE([DEFAULT-MODE])
659 # ----------------------------------
660 # Control maintainer-specific portions of Makefiles.
661 # Default is to disable them, unless 'enable' is passed literally.
662 # For symmetry, 'disable' may be passed as well. Anyway, the user
663 # can override the default with the --enable/--disable switch.
664 AC_DEFUN([AM_MAINTAINER_MODE],
665 [m4_case(m4_default([$1], [disable]),
666 [enable], [m4_define([am_maintainer_other], [disable])],
667 [disable], [m4_define([am_maintainer_other], [enable])],
668 [m4_define([am_maintainer_other], [enable])
669 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
670 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
671 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
672 AC_ARG_ENABLE([maintainer-mode],
673 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
674 am_maintainer_other[ make rules and dependencies not useful
675 (and sometimes confusing) to the casual installer])],
676 [USE_MAINTAINER_MODE=$enableval],
677 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
678 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
679 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
680 MAINT=$MAINTAINER_MODE_TRUE
685 # Check to see how 'make' treats includes. -*- Autoconf -*-
687 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
689 # This file is free software; the Free Software Foundation
690 # gives unlimited permission to copy and/or distribute it,
691 # with or without modifications, as long as this notice is preserved.
695 # Check to see how make treats includes.
696 AC_DEFUN([AM_MAKE_INCLUDE],
697 [am_make=${MAKE-make}
698 cat > confinc << 'END'
700 @echo this is the am__doit target
703 # If we don't find an include directive, just comment out the code.
704 AC_MSG_CHECKING([for style of include used by $am_make])
708 # First try GNU make style include.
709 echo "include confinc" > confmf
710 # Ignore all kinds of additional output from 'make'.
711 case `$am_make -s -f confmf 2> /dev/null` in #(
712 *the\ am__doit\ target*)
718 # Now try BSD make style include.
719 if test "$am__include" = "#"; then
720 echo '.include "confinc"' > confmf
721 case `$am_make -s -f confmf 2> /dev/null` in #(
722 *the\ am__doit\ target*)
729 AC_SUBST([am__include])
730 AC_SUBST([am__quote])
731 AC_MSG_RESULT([$_am_result])
735 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
737 # Copyright (C) 1997-2017 Free Software Foundation, Inc.
739 # This file is free software; the Free Software Foundation
740 # gives unlimited permission to copy and/or distribute it,
741 # with or without modifications, as long as this notice is preserved.
743 # AM_MISSING_PROG(NAME, PROGRAM)
744 # ------------------------------
745 AC_DEFUN([AM_MISSING_PROG],
746 [AC_REQUIRE([AM_MISSING_HAS_RUN])
747 $1=${$1-"${am_missing_run}$2"}
752 # Define MISSING if not defined so far and test if it is modern enough.
753 # If it is, set am_missing_run to use it, otherwise, to nothing.
754 AC_DEFUN([AM_MISSING_HAS_RUN],
755 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
756 AC_REQUIRE_AUX_FILE([missing])dnl
757 if test x"${MISSING+set}" != xset; then
760 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
762 MISSING="\${SHELL} $am_aux_dir/missing" ;;
765 # Use eval to expand $SHELL
766 if eval "$MISSING --is-lightweight"; then
767 am_missing_run="$MISSING "
770 AC_MSG_WARN(['missing' script is too old or missing])
774 # Helper functions for option handling. -*- Autoconf -*-
776 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
778 # This file is free software; the Free Software Foundation
779 # gives unlimited permission to copy and/or distribute it,
780 # with or without modifications, as long as this notice is preserved.
782 # _AM_MANGLE_OPTION(NAME)
783 # -----------------------
784 AC_DEFUN([_AM_MANGLE_OPTION],
785 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
787 # _AM_SET_OPTION(NAME)
788 # --------------------
789 # Set option NAME. Presently that only means defining a flag for this option.
790 AC_DEFUN([_AM_SET_OPTION],
791 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
793 # _AM_SET_OPTIONS(OPTIONS)
794 # ------------------------
795 # OPTIONS is a space-separated list of Automake options.
796 AC_DEFUN([_AM_SET_OPTIONS],
797 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
799 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
800 # -------------------------------------------
801 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
802 AC_DEFUN([_AM_IF_OPTION],
803 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
805 # Copyright (C) 1999-2017 Free Software Foundation, Inc.
807 # This file is free software; the Free Software Foundation
808 # gives unlimited permission to copy and/or distribute it,
809 # with or without modifications, as long as this notice is preserved.
813 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
814 # to automatically call this.
815 AC_DEFUN([_AM_PROG_CC_C_O],
816 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
817 AC_REQUIRE_AUX_FILE([compile])dnl
820 [whether $CC understands -c and -o together],
822 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
823 # Make sure it works both with $CC and with simple cc.
824 # Following AC_PROG_CC_C_O, we do the test twice because some
825 # compilers refuse to overwrite an existing .o file with -o,
826 # though they will create one.
827 am_cv_prog_cc_c_o=yes
829 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
830 && test -f conftest2.$ac_objext; then
839 if test "$am_cv_prog_cc_c_o" != yes; then
840 # Losing compiler, so override with the script.
841 # FIXME: It is wrong to rewrite CC.
842 # But if we don't then we get into trouble of one sort or another.
843 # A longer-term fix would be to have automake use am__CC in this case,
844 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
845 CC="$am_aux_dir/compile $CC"
849 # For backward compatibility.
850 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
852 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
854 # This file is free software; the Free Software Foundation
855 # gives unlimited permission to copy and/or distribute it,
856 # with or without modifications, as long as this notice is preserved.
858 # AM_RUN_LOG(COMMAND)
859 # -------------------
860 # Run COMMAND, save the exit status in ac_status, and log it.
861 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
862 AC_DEFUN([AM_RUN_LOG],
863 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
864 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
866 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
867 (exit $ac_status); }])
869 # Check to make sure that the build environment is sane. -*- Autoconf -*-
871 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
873 # This file is free software; the Free Software Foundation
874 # gives unlimited permission to copy and/or distribute it,
875 # with or without modifications, as long as this notice is preserved.
879 AC_DEFUN([AM_SANITY_CHECK],
880 [AC_MSG_CHECKING([whether build environment is sane])
881 # Reject unsafe characters in $srcdir or the absolute working directory
882 # name. Accept space and tab only in the latter.
886 *[[\\\"\#\$\&\'\`$am_lf]]*)
887 AC_MSG_ERROR([unsafe absolute working directory name]);;
890 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
891 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
894 # Do 'set' in a subshell so we don't clobber the current shell's
895 # arguments. Must try -L first in case configure is actually a
896 # symlink; some systems play weird games with the mod time of symlinks
897 # (eg FreeBSD returns the mod time of the symlink's containing
901 for am_try in 1 2; do
902 echo "timestamp, slept: $am_has_slept" > conftest.file
903 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
904 if test "$[*]" = "X"; then
906 set X `ls -t "$srcdir/configure" conftest.file`
908 if test "$[*]" != "X $srcdir/configure conftest.file" \
909 && test "$[*]" != "X conftest.file $srcdir/configure"; then
911 # If neither matched, then we have a broken ls. This can happen
912 # if, for instance, CONFIG_SHELL is bash and it inherits a
913 # broken ls alias from the environment. This has actually
914 # happened. Such a system could not be considered "sane".
915 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
916 alias in your environment])
918 if test "$[2]" = conftest.file || test $am_try -eq 2; then
925 test "$[2]" = conftest.file
931 AC_MSG_ERROR([newly created file is older than distributed files!
932 Check your system clock])
935 # If we didn't sleep, we still need to ensure time stamps of config.status and
936 # generated files are strictly newer.
938 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
942 AC_CONFIG_COMMANDS_PRE(
943 [AC_MSG_CHECKING([that generated files are newer than configure])
944 if test -n "$am_sleep_pid"; then
945 # Hide warnings about reused PIDs.
946 wait $am_sleep_pid 2>/dev/null
948 AC_MSG_RESULT([done])])
952 # Copyright (C) 2009-2017 Free Software Foundation, Inc.
954 # This file is free software; the Free Software Foundation
955 # gives unlimited permission to copy and/or distribute it,
956 # with or without modifications, as long as this notice is preserved.
958 # AM_SILENT_RULES([DEFAULT])
959 # --------------------------
960 # Enable less verbose build rules; with the default set to DEFAULT
961 # ("yes" being less verbose, "no" or empty being verbose).
962 AC_DEFUN([AM_SILENT_RULES],
963 [AC_ARG_ENABLE([silent-rules], [dnl
965 [--enable-silent-rules],
966 [less verbose build output (undo: "make V=1")])
968 [--disable-silent-rules],
969 [verbose build output (undo: "make V=0")])dnl
971 case $enable_silent_rules in @%:@ (((
972 yes) AM_DEFAULT_VERBOSITY=0;;
973 no) AM_DEFAULT_VERBOSITY=1;;
974 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
977 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
978 dnl do not support nested variable expansions.
979 dnl See automake bug#9928 and bug#10237.
981 AC_CACHE_CHECK([whether $am_make supports nested variables],
982 [am_cv_make_support_nested_variables],
983 [if AS_ECHO([['TRUE=$(BAR$(V))
989 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
990 am_cv_make_support_nested_variables=yes
992 am_cv_make_support_nested_variables=no
994 if test $am_cv_make_support_nested_variables = yes; then
995 dnl Using '$V' instead of '$(V)' breaks IRIX make.
997 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
999 AM_V=$AM_DEFAULT_VERBOSITY
1000 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1003 AM_SUBST_NOTMAKE([AM_V])dnl
1004 AC_SUBST([AM_DEFAULT_V])dnl
1005 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1006 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1008 AC_SUBST([AM_BACKSLASH])dnl
1009 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1012 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
1014 # This file is free software; the Free Software Foundation
1015 # gives unlimited permission to copy and/or distribute it,
1016 # with or without modifications, as long as this notice is preserved.
1018 # AM_PROG_INSTALL_STRIP
1019 # ---------------------
1020 # One issue with vendor 'install' (even GNU) is that you can't
1021 # specify the program used to strip binaries. This is especially
1022 # annoying in cross-compiling environments, where the build's strip
1023 # is unlikely to handle the host's binaries.
1024 # Fortunately install-sh will honor a STRIPPROG variable, so we
1025 # always use install-sh in "make install-strip", and initialize
1026 # STRIPPROG with the value of the STRIP variable (set by the user).
1027 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1028 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1029 # Installed binaries are usually stripped using 'strip' when the user
1030 # run "make install-strip". However 'strip' might not be the right
1031 # tool to use in cross-compilation environments, therefore Automake
1032 # will honor the 'STRIP' environment variable to overrule this program.
1033 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1034 if test "$cross_compiling" != no; then
1035 AC_CHECK_TOOL([STRIP], [strip], :)
1037 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1038 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1040 # Copyright (C) 2006-2017 Free Software Foundation, Inc.
1042 # This file is free software; the Free Software Foundation
1043 # gives unlimited permission to copy and/or distribute it,
1044 # with or without modifications, as long as this notice is preserved.
1046 # _AM_SUBST_NOTMAKE(VARIABLE)
1047 # ---------------------------
1048 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1049 # This macro is traced by Automake.
1050 AC_DEFUN([_AM_SUBST_NOTMAKE])
1052 # AM_SUBST_NOTMAKE(VARIABLE)
1053 # --------------------------
1054 # Public sister of _AM_SUBST_NOTMAKE.
1055 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1057 # Check how to create a tarball. -*- Autoconf -*-
1059 # Copyright (C) 2004-2017 Free Software Foundation, Inc.
1061 # This file is free software; the Free Software Foundation
1062 # gives unlimited permission to copy and/or distribute it,
1063 # with or without modifications, as long as this notice is preserved.
1065 # _AM_PROG_TAR(FORMAT)
1066 # --------------------
1067 # Check how to create a tarball in format FORMAT.
1068 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1070 # Substitute a variable $(am__tar) that is a command
1071 # writing to stdout a FORMAT-tarball containing the directory
1073 # tardir=directory && $(am__tar) > result.tar
1075 # Substitute a variable $(am__untar) that extract such
1076 # a tarball read from stdin.
1077 # $(am__untar) < result.tar
1079 AC_DEFUN([_AM_PROG_TAR],
1080 [# Always define AMTAR for backward compatibility. Yes, it's still used
1081 # in the wild :-( We should find a proper way to deprecate it ...
1082 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1084 # We'll loop over all known methods to create a tar archive until one works.
1085 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1088 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1092 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1093 # There is notably a 21 bits limit for the UID and the GID. In fact,
1094 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1096 am_max_uid=2097151 # 2^21 - 1
1097 am_max_gid=$am_max_uid
1098 # The $UID and $GID variables are not portable, so we need to resort
1099 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1100 # below are definitely unexpected, so allow the users to see them
1101 # (that is, avoid stderr redirection).
1102 am_uid=`id -u || echo unknown`
1103 am_gid=`id -g || echo unknown`
1104 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1105 if test $am_uid -le $am_max_uid; then
1106 AC_MSG_RESULT([yes])
1111 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1112 if test $am_gid -le $am_max_gid; then
1113 AC_MSG_RESULT([yes])
1122 [m4_fatal([Unknown tar format])])
1124 AC_MSG_CHECKING([how to create a $1 tar archive])
1126 # Go ahead even if we have the value already cached. We do so because we
1127 # need to set the values for the 'am__tar' and 'am__untar' variables.
1128 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1130 for _am_tool in $_am_tools; do
1133 for _am_tar in tar gnutar gtar; do
1134 AM_RUN_LOG([$_am_tar --version]) && break
1136 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1137 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1138 am__untar="$_am_tar -xf -"
1141 # Must skip GNU tar: if it does not support --format= it doesn't create
1142 # ustar tarball either.
1143 (tar --version) >/dev/null 2>&1 && continue
1144 am__tar='tar chf - "$$tardir"'
1145 am__tar_='tar chf - "$tardir"'
1146 am__untar='tar xf -'
1149 am__tar='pax -L -x $1 -w "$$tardir"'
1150 am__tar_='pax -L -x $1 -w "$tardir"'
1154 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1155 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1156 am__untar='cpio -i -H $1 -d'
1165 # If the value was cached, stop now. We just wanted to have am__tar
1166 # and am__untar set.
1167 test -n "${am_cv_prog_tar_$1}" && break
1169 # tar/untar a dummy directory, and stop if the command works.
1172 echo GrepMe > conftest.dir/file
1173 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1175 if test -s conftest.tar; then
1176 AM_RUN_LOG([$am__untar <conftest.tar])
1177 AM_RUN_LOG([cat conftest.dir/file])
1178 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1183 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1184 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1187 AC_SUBST([am__untar])
1190 m4_include([../config/acx.m4])
1191 m4_include([../config/asmcfi.m4])
1192 m4_include([../config/cet.m4])
1193 m4_include([../config/depstand.m4])
1194 m4_include([../config/enable.m4])
1195 m4_include([../config/lead-dot.m4])
1196 m4_include([../config/multi.m4])
1197 m4_include([../config/override.m4])
1198 m4_include([../config/toolexeclibdir.m4])
1199 m4_include([../libtool.m4])
1200 m4_include([../ltoptions.m4])
1201 m4_include([../ltsugar.m4])
1202 m4_include([../ltversion.m4])
1203 m4_include([../lt~obsolete.m4])
1204 m4_include([acinclude.m4])