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1# generated automatically by aclocal 1.15 -*- Autoconf -*-
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3# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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5# This file is free software; the Free Software Foundation
6# gives unlimited permission to copy and/or distribute it,
7# with or without modifications, as long as this notice is preserved.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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531AC_CONFIG_COMMANDS_PRE(dnl
532[m4_provide_if([_AM_COMPILER_EXEEXT],
533 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
534
535# POSIX will say in a future version that running "rm -f" with no argument
536# is OK; and we want to be able to make that assumption in our Makefile
537# recipes. So use an aggressive probe to check that the usage we want is
538# actually supported "in the wild" to an acceptable degree.
539# See automake bug#10828.
540# To make any issue more visible, cause the running configure to be aborted
541# by default if the 'rm' program in use doesn't match our expectations; the
542# user can still override this though.
543if rm -f && rm -fr && rm -rf; then : OK; else
544 cat >&2 <<'END'
545Oops!
546
547Your 'rm' program seems unable to run without file operands specified
548on the command line, even when the '-f' option is present. This is contrary
549to the behaviour of most rm programs out there, and not conforming with
550the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
551
552Please tell bug-automake@gnu.org about your system, including the value
553of your $PATH and any error possibly output before this message. This
554can help us improve future automake versions.
555
556END
557 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
558 echo 'Configuration will proceed anyway, since you have set the' >&2
559 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
560 echo >&2
561 else
562 cat >&2 <<'END'
563Aborting the configuration process, to ensure you take notice of the issue.
564
565You can download and install GNU coreutils to get an 'rm' implementation
566that behaves properly: <http://www.gnu.org/software/coreutils/>.
567
568If you want to complete the configuration process using your problematic
569'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
570to "yes", and re-run configure.
571
572END
573 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
574 fi
575fi
576dnl The trailing newline in this macro's definition is deliberate, for
577dnl backward compatibility and to allow trailing 'dnl'-style comments
578dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
579])
580
581dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
582dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
583dnl mangled by Autoconf and run in a shell conditional statement.
584m4_define([_AC_COMPILER_EXEEXT],
585m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
586
587# When config.status generates a header, we must update the stamp-h file.
588# This file resides in the same directory as the config header
589# that is generated. The stamp files are numbered to have different names.
590
591# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
592# loop where config.status creates the headers, so we can generate
593# our stamp files there.
594AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
595[# Compute $1's index in $config_headers.
596_am_arg=$1
597_am_stamp_count=1
598for _am_header in $config_headers :; do
599 case $_am_header in
600 $_am_arg | $_am_arg:* )
601 break ;;
602 * )
603 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
604 esac
605done
606echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
607
608# Copyright (C) 2001-2014 Free Software Foundation, Inc.
609#
610# This file is free software; the Free Software Foundation
611# gives unlimited permission to copy and/or distribute it,
612# with or without modifications, as long as this notice is preserved.
613
614# AM_PROG_INSTALL_SH
615# ------------------
616# Define $install_sh.
617AC_DEFUN([AM_PROG_INSTALL_SH],
618[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
619if test x"${install_sh+set}" != xset; then
620 case $am_aux_dir in
621 *\ * | *\ *)
622 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
623 *)
624 install_sh="\${SHELL} $am_aux_dir/install-sh"
625 esac
626fi
627AC_SUBST([install_sh])])
628
629# Copyright (C) 2003-2014 Free Software Foundation, Inc.
630#
631# This file is free software; the Free Software Foundation
632# gives unlimited permission to copy and/or distribute it,
633# with or without modifications, as long as this notice is preserved.
634
635# Check whether the underlying file-system supports filenames
636# with a leading dot. For instance MS-DOS doesn't.
637AC_DEFUN([AM_SET_LEADING_DOT],
638[rm -rf .tst 2>/dev/null
639mkdir .tst 2>/dev/null
640if test -d .tst; then
641 am__leading_dot=.
642else
643 am__leading_dot=_
644fi
645rmdir .tst 2>/dev/null
646AC_SUBST([am__leading_dot])])
647
648# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
649# From Jim Meyering
650
651# Copyright (C) 1996-2014 Free Software Foundation, Inc.
652#
653# This file is free software; the Free Software Foundation
654# gives unlimited permission to copy and/or distribute it,
655# with or without modifications, as long as this notice is preserved.
656
657# AM_MAINTAINER_MODE([DEFAULT-MODE])
658# ----------------------------------
659# Control maintainer-specific portions of Makefiles.
660# Default is to disable them, unless 'enable' is passed literally.
661# For symmetry, 'disable' may be passed as well. Anyway, the user
662# can override the default with the --enable/--disable switch.
663AC_DEFUN([AM_MAINTAINER_MODE],
664[m4_case(m4_default([$1], [disable]),
665 [enable], [m4_define([am_maintainer_other], [disable])],
666 [disable], [m4_define([am_maintainer_other], [enable])],
667 [m4_define([am_maintainer_other], [enable])
668 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
669AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
670 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
671 AC_ARG_ENABLE([maintainer-mode],
672 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
673 am_maintainer_other[ make rules and dependencies not useful
674 (and sometimes confusing) to the casual installer])],
675 [USE_MAINTAINER_MODE=$enableval],
676 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
677 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
678 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
679 MAINT=$MAINTAINER_MODE_TRUE
680 AC_SUBST([MAINT])dnl
681]
682)
683
684# Check to see how 'make' treats includes. -*- Autoconf -*-
685
686# Copyright (C) 2001-2014 Free Software Foundation, Inc.
687#
688# This file is free software; the Free Software Foundation
689# gives unlimited permission to copy and/or distribute it,
690# with or without modifications, as long as this notice is preserved.
691
692# AM_MAKE_INCLUDE()
693# -----------------
694# Check to see how make treats includes.
695AC_DEFUN([AM_MAKE_INCLUDE],
696[am_make=${MAKE-make}
697cat > confinc << 'END'
698am__doit:
699 @echo this is the am__doit target
700.PHONY: am__doit
701END
702# If we don't find an include directive, just comment out the code.
703AC_MSG_CHECKING([for style of include used by $am_make])
704am__include="#"
705am__quote=
706_am_result=none
707# First try GNU make style include.
708echo "include confinc" > confmf
709# Ignore all kinds of additional output from 'make'.
710case `$am_make -s -f confmf 2> /dev/null` in #(
711*the\ am__doit\ target*)
712 am__include=include
713 am__quote=
714 _am_result=GNU
715 ;;
716esac
717# Now try BSD make style include.
718if test "$am__include" = "#"; then
719 echo '.include "confinc"' > confmf
720 case `$am_make -s -f confmf 2> /dev/null` in #(
721 *the\ am__doit\ target*)
722 am__include=.include
723 am__quote="\""
724 _am_result=BSD
725 ;;
726 esac
727fi
728AC_SUBST([am__include])
729AC_SUBST([am__quote])
730AC_MSG_RESULT([$_am_result])
731rm -f confinc confmf
732])
733
734# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
735
736# Copyright (C) 1997-2014 Free Software Foundation, Inc.
737#
738# This file is free software; the Free Software Foundation
739# gives unlimited permission to copy and/or distribute it,
740# with or without modifications, as long as this notice is preserved.
741
742# AM_MISSING_PROG(NAME, PROGRAM)
743# ------------------------------
744AC_DEFUN([AM_MISSING_PROG],
745[AC_REQUIRE([AM_MISSING_HAS_RUN])
746$1=${$1-"${am_missing_run}$2"}
747AC_SUBST($1)])
748
749# AM_MISSING_HAS_RUN
750# ------------------
751# Define MISSING if not defined so far and test if it is modern enough.
752# If it is, set am_missing_run to use it, otherwise, to nothing.
753AC_DEFUN([AM_MISSING_HAS_RUN],
754[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
755AC_REQUIRE_AUX_FILE([missing])dnl
756if test x"${MISSING+set}" != xset; then
757 case $am_aux_dir in
758 *\ * | *\ *)
759 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
760 *)
761 MISSING="\${SHELL} $am_aux_dir/missing" ;;
762 esac
763fi
764# Use eval to expand $SHELL
765if eval "$MISSING --is-lightweight"; then
766 am_missing_run="$MISSING "
767else
768 am_missing_run=
769 AC_MSG_WARN(['missing' script is too old or missing])
770fi
771])
772
773# Helper functions for option handling. -*- Autoconf -*-
774
775# Copyright (C) 2001-2014 Free Software Foundation, Inc.
776#
777# This file is free software; the Free Software Foundation
778# gives unlimited permission to copy and/or distribute it,
779# with or without modifications, as long as this notice is preserved.
780
781# _AM_MANGLE_OPTION(NAME)
782# -----------------------
783AC_DEFUN([_AM_MANGLE_OPTION],
784[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
785
786# _AM_SET_OPTION(NAME)
787# --------------------
788# Set option NAME. Presently that only means defining a flag for this option.
789AC_DEFUN([_AM_SET_OPTION],
790[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
791
792# _AM_SET_OPTIONS(OPTIONS)
793# ------------------------
794# OPTIONS is a space-separated list of Automake options.
795AC_DEFUN([_AM_SET_OPTIONS],
796[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
797
798# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
799# -------------------------------------------
800# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
801AC_DEFUN([_AM_IF_OPTION],
802[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
803
804# Copyright (C) 1999-2014 Free Software Foundation, Inc.
805#
806# This file is free software; the Free Software Foundation
807# gives unlimited permission to copy and/or distribute it,
808# with or without modifications, as long as this notice is preserved.
809
810# _AM_PROG_CC_C_O
811# ---------------
812# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
813# to automatically call this.
814AC_DEFUN([_AM_PROG_CC_C_O],
815[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
816AC_REQUIRE_AUX_FILE([compile])dnl
817AC_LANG_PUSH([C])dnl
818AC_CACHE_CHECK(
819 [whether $CC understands -c and -o together],
820 [am_cv_prog_cc_c_o],
821 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
822 # Make sure it works both with $CC and with simple cc.
823 # Following AC_PROG_CC_C_O, we do the test twice because some
824 # compilers refuse to overwrite an existing .o file with -o,
825 # though they will create one.
826 am_cv_prog_cc_c_o=yes
827 for am_i in 1 2; do
828 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
829 && test -f conftest2.$ac_objext; then
830 : OK
831 else
832 am_cv_prog_cc_c_o=no
833 break
834 fi
835 done
836 rm -f core conftest*
837 unset am_i])
838if test "$am_cv_prog_cc_c_o" != yes; then
839 # Losing compiler, so override with the script.
840 # FIXME: It is wrong to rewrite CC.
841 # But if we don't then we get into trouble of one sort or another.
842 # A longer-term fix would be to have automake use am__CC in this case,
843 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
844 CC="$am_aux_dir/compile $CC"
845fi
846AC_LANG_POP([C])])
847
848# For backward compatibility.
849AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
850
851# Copyright (C) 2001-2014 Free Software Foundation, Inc.
852#
853# This file is free software; the Free Software Foundation
854# gives unlimited permission to copy and/or distribute it,
855# with or without modifications, as long as this notice is preserved.
856
857# AM_RUN_LOG(COMMAND)
858# -------------------
859# Run COMMAND, save the exit status in ac_status, and log it.
860# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
861AC_DEFUN([AM_RUN_LOG],
862[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
863 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
864 ac_status=$?
865 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
866 (exit $ac_status); }])
867
868# Check to make sure that the build environment is sane. -*- Autoconf -*-
869
870# Copyright (C) 1996-2014 Free Software Foundation, Inc.
871#
872# This file is free software; the Free Software Foundation
873# gives unlimited permission to copy and/or distribute it,
874# with or without modifications, as long as this notice is preserved.
875
876# AM_SANITY_CHECK
877# ---------------
878AC_DEFUN([AM_SANITY_CHECK],
879[AC_MSG_CHECKING([whether build environment is sane])
880# Reject unsafe characters in $srcdir or the absolute working directory
881# name. Accept space and tab only in the latter.
882am_lf='
883'
884case `pwd` in
885 *[[\\\"\#\$\&\'\`$am_lf]]*)
886 AC_MSG_ERROR([unsafe absolute working directory name]);;
887esac
888case $srcdir in
889 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
890 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
891esac
892
893# Do 'set' in a subshell so we don't clobber the current shell's
894# arguments. Must try -L first in case configure is actually a
895# symlink; some systems play weird games with the mod time of symlinks
896# (eg FreeBSD returns the mod time of the symlink's containing
897# directory).
898if (
899 am_has_slept=no
900 for am_try in 1 2; do
901 echo "timestamp, slept: $am_has_slept" > conftest.file
902 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
903 if test "$[*]" = "X"; then
904 # -L didn't work.
905 set X `ls -t "$srcdir/configure" conftest.file`
906 fi
907 if test "$[*]" != "X $srcdir/configure conftest.file" \
908 && test "$[*]" != "X conftest.file $srcdir/configure"; then
909
910 # If neither matched, then we have a broken ls. This can happen
911 # if, for instance, CONFIG_SHELL is bash and it inherits a
912 # broken ls alias from the environment. This has actually
913 # happened. Such a system could not be considered "sane".
914 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
915 alias in your environment])
916 fi
917 if test "$[2]" = conftest.file || test $am_try -eq 2; then
918 break
919 fi
920 # Just in case.
921 sleep 1
922 am_has_slept=yes
923 done
924 test "$[2]" = conftest.file
925 )
926then
927 # Ok.
928 :
929else
930 AC_MSG_ERROR([newly created file is older than distributed files!
931Check your system clock])
932fi
933AC_MSG_RESULT([yes])
934# If we didn't sleep, we still need to ensure time stamps of config.status and
935# generated files are strictly newer.
936am_sleep_pid=
937if grep 'slept: no' conftest.file >/dev/null 2>&1; then
938 ( sleep 1 ) &
939 am_sleep_pid=$!
940fi
941AC_CONFIG_COMMANDS_PRE(
942 [AC_MSG_CHECKING([that generated files are newer than configure])
943 if test -n "$am_sleep_pid"; then
944 # Hide warnings about reused PIDs.
945 wait $am_sleep_pid 2>/dev/null
946 fi
947 AC_MSG_RESULT([done])])
948rm -f conftest.file
949])
950
951# Copyright (C) 2009-2014 Free Software Foundation, Inc.
952#
953# This file is free software; the Free Software Foundation
954# gives unlimited permission to copy and/or distribute it,
955# with or without modifications, as long as this notice is preserved.
956
957# AM_SILENT_RULES([DEFAULT])
958# --------------------------
959# Enable less verbose build rules; with the default set to DEFAULT
960# ("yes" being less verbose, "no" or empty being verbose).
961AC_DEFUN([AM_SILENT_RULES],
962[AC_ARG_ENABLE([silent-rules], [dnl
963AS_HELP_STRING(
964 [--enable-silent-rules],
965 [less verbose build output (undo: "make V=1")])
966AS_HELP_STRING(
967 [--disable-silent-rules],
968 [verbose build output (undo: "make V=0")])dnl
969])
970case $enable_silent_rules in @%:@ (((
971 yes) AM_DEFAULT_VERBOSITY=0;;
972 no) AM_DEFAULT_VERBOSITY=1;;
973 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
974esac
975dnl
976dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
977dnl do not support nested variable expansions.
978dnl See automake bug#9928 and bug#10237.
979am_make=${MAKE-make}
980AC_CACHE_CHECK([whether $am_make supports nested variables],
981 [am_cv_make_support_nested_variables],
982 [if AS_ECHO([['TRUE=$(BAR$(V))
983BAR0=false
984BAR1=true
985V=1
986am__doit:
987 @$(TRUE)
988.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
989 am_cv_make_support_nested_variables=yes
990else
991 am_cv_make_support_nested_variables=no
992fi])
993if test $am_cv_make_support_nested_variables = yes; then
994 dnl Using '$V' instead of '$(V)' breaks IRIX make.
995 AM_V='$(V)'
996 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
997else
998 AM_V=$AM_DEFAULT_VERBOSITY
999 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1000fi
1001AC_SUBST([AM_V])dnl
1002AM_SUBST_NOTMAKE([AM_V])dnl
1003AC_SUBST([AM_DEFAULT_V])dnl
1004AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1005AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1006AM_BACKSLASH='\'
1007AC_SUBST([AM_BACKSLASH])dnl
1008_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1009])
1010
1011# Copyright (C) 2001-2014 Free Software Foundation, Inc.
1012#
1013# This file is free software; the Free Software Foundation
1014# gives unlimited permission to copy and/or distribute it,
1015# with or without modifications, as long as this notice is preserved.
1016
1017# AM_PROG_INSTALL_STRIP
1018# ---------------------
1019# One issue with vendor 'install' (even GNU) is that you can't
1020# specify the program used to strip binaries. This is especially
1021# annoying in cross-compiling environments, where the build's strip
1022# is unlikely to handle the host's binaries.
1023# Fortunately install-sh will honor a STRIPPROG variable, so we
1024# always use install-sh in "make install-strip", and initialize
1025# STRIPPROG with the value of the STRIP variable (set by the user).
1026AC_DEFUN([AM_PROG_INSTALL_STRIP],
1027[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1028# Installed binaries are usually stripped using 'strip' when the user
1029# run "make install-strip". However 'strip' might not be the right
1030# tool to use in cross-compilation environments, therefore Automake
1031# will honor the 'STRIP' environment variable to overrule this program.
1032dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1033if test "$cross_compiling" != no; then
1034 AC_CHECK_TOOL([STRIP], [strip], :)
1035fi
1036INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1037AC_SUBST([INSTALL_STRIP_PROGRAM])])
1038
1039# Copyright (C) 2006-2014 Free Software Foundation, Inc.
1040#
1041# This file is free software; the Free Software Foundation
1042# gives unlimited permission to copy and/or distribute it,
1043# with or without modifications, as long as this notice is preserved.
1044
1045# _AM_SUBST_NOTMAKE(VARIABLE)
1046# ---------------------------
1047# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1048# This macro is traced by Automake.
1049AC_DEFUN([_AM_SUBST_NOTMAKE])
1050
1051# AM_SUBST_NOTMAKE(VARIABLE)
1052# --------------------------
1053# Public sister of _AM_SUBST_NOTMAKE.
1054AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1055
1056# Check how to create a tarball. -*- Autoconf -*-
1057
1058# Copyright (C) 2004-2014 Free Software Foundation, Inc.
1059#
1060# This file is free software; the Free Software Foundation
1061# gives unlimited permission to copy and/or distribute it,
1062# with or without modifications, as long as this notice is preserved.
1063
1064# _AM_PROG_TAR(FORMAT)
1065# --------------------
1066# Check how to create a tarball in format FORMAT.
1067# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1068#
1069# Substitute a variable $(am__tar) that is a command
1070# writing to stdout a FORMAT-tarball containing the directory
1071# $tardir.
1072# tardir=directory && $(am__tar) > result.tar
1073#
1074# Substitute a variable $(am__untar) that extract such
1075# a tarball read from stdin.
1076# $(am__untar) < result.tar
1077#
1078AC_DEFUN([_AM_PROG_TAR],
1079[# Always define AMTAR for backward compatibility. Yes, it's still used
1080# in the wild :-( We should find a proper way to deprecate it ...
1081AC_SUBST([AMTAR], ['$${TAR-tar}'])
1082
1083# We'll loop over all known methods to create a tar archive until one works.
1084_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1085
1086m4_if([$1], [v7],
1087 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1088
1089 [m4_case([$1],
1090 [ustar],
1091 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1092 # There is notably a 21 bits limit for the UID and the GID. In fact,
1093 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1094 # and bug#13588).
1095 am_max_uid=2097151 # 2^21 - 1
1096 am_max_gid=$am_max_uid
1097 # The $UID and $GID variables are not portable, so we need to resort
1098 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1099 # below are definitely unexpected, so allow the users to see them
1100 # (that is, avoid stderr redirection).
1101 am_uid=`id -u || echo unknown`
1102 am_gid=`id -g || echo unknown`
1103 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1104 if test $am_uid -le $am_max_uid; then
1105 AC_MSG_RESULT([yes])
1106 else
1107 AC_MSG_RESULT([no])
1108 _am_tools=none
1109 fi
1110 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1111 if test $am_gid -le $am_max_gid; then
1112 AC_MSG_RESULT([yes])
1113 else
1114 AC_MSG_RESULT([no])
1115 _am_tools=none
1116 fi],
1117
1118 [pax],
1119 [],
1120
1121 [m4_fatal([Unknown tar format])])
1122
1123 AC_MSG_CHECKING([how to create a $1 tar archive])
1124
1125 # Go ahead even if we have the value already cached. We do so because we
1126 # need to set the values for the 'am__tar' and 'am__untar' variables.
1127 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1128
1129 for _am_tool in $_am_tools; do
1130 case $_am_tool in
1131 gnutar)
1132 for _am_tar in tar gnutar gtar; do
1133 AM_RUN_LOG([$_am_tar --version]) && break
1134 done
1135 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1136 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1137 am__untar="$_am_tar -xf -"
1138 ;;
1139 plaintar)
1140 # Must skip GNU tar: if it does not support --format= it doesn't create
1141 # ustar tarball either.
1142 (tar --version) >/dev/null 2>&1 && continue
1143 am__tar='tar chf - "$$tardir"'
1144 am__tar_='tar chf - "$tardir"'
1145 am__untar='tar xf -'
1146 ;;
1147 pax)
1148 am__tar='pax -L -x $1 -w "$$tardir"'
1149 am__tar_='pax -L -x $1 -w "$tardir"'
1150 am__untar='pax -r'
1151 ;;
1152 cpio)
1153 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1154 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1155 am__untar='cpio -i -H $1 -d'
1156 ;;
1157 none)
1158 am__tar=false
1159 am__tar_=false
1160 am__untar=false
1161 ;;
1162 esac
1163
1164 # If the value was cached, stop now. We just wanted to have am__tar
1165 # and am__untar set.
1166 test -n "${am_cv_prog_tar_$1}" && break
1167
1168 # tar/untar a dummy directory, and stop if the command works.
1169 rm -rf conftest.dir
1170 mkdir conftest.dir
1171 echo GrepMe > conftest.dir/file
1172 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1173 rm -rf conftest.dir
1174 if test -s conftest.tar; then
1175 AM_RUN_LOG([$am__untar <conftest.tar])
1176 AM_RUN_LOG([cat conftest.dir/file])
1177 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1178 fi
1179 done
1180 rm -rf conftest.dir
1181
1182 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1183 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1184
1185AC_SUBST([am__tar])
1186AC_SUBST([am__untar])
1187]) # _AM_PROG_TAR
1188
1189m4_include([config/libtool.m4])
1190m4_include([config/ltoptions.m4])
1191m4_include([config/ltsugar.m4])
1192m4_include([config/ltversion.m4])
1193m4_include([config/lt~obsolete.m4])
1194m4_include([config/spl-build.m4])
1195m4_include([config/spl-meta.m4])