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1# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
2
3# Copyright (C) 1996-2017 Free Software Foundation, Inc.
4
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
12# PARTICULAR PURPOSE.
13
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23# Copyright (C) 2002-2017 Free Software Foundation, Inc.
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551AM_MISSING_PROG([AUTOHEADER], [autoheader])
552AM_MISSING_PROG([MAKEINFO], [makeinfo])
553AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
554AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
555AC_REQUIRE([AC_PROG_MKDIR_P])dnl
556# For better backward compatibility. To be removed once Automake 1.9.x
557# dies out for good. For more background, see:
558# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
559# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
560AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
561# We need awk for the "check" target (and possibly the TAP driver). The
562# system "awk" is bad on some platforms.
563AC_REQUIRE([AC_PROG_AWK])dnl
564AC_REQUIRE([AC_PROG_MAKE_SET])dnl
565AC_REQUIRE([AM_SET_LEADING_DOT])dnl
566_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
567 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
568 [_AM_PROG_TAR([v7])])])
569_AM_IF_OPTION([no-dependencies],,
570[AC_PROVIDE_IFELSE([AC_PROG_CC],
571 [_AM_DEPENDENCIES([CC])],
572 [m4_define([AC_PROG_CC],
573 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
574AC_PROVIDE_IFELSE([AC_PROG_CXX],
575 [_AM_DEPENDENCIES([CXX])],
576 [m4_define([AC_PROG_CXX],
577 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
578AC_PROVIDE_IFELSE([AC_PROG_OBJC],
579 [_AM_DEPENDENCIES([OBJC])],
580 [m4_define([AC_PROG_OBJC],
581 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
582AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
583 [_AM_DEPENDENCIES([OBJCXX])],
584 [m4_define([AC_PROG_OBJCXX],
585 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
586])
587AC_REQUIRE([AM_SILENT_RULES])dnl
588dnl The testsuite driver may need to know about EXEEXT, so add the
589dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
590dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
591AC_CONFIG_COMMANDS_PRE(dnl
592[m4_provide_if([_AM_COMPILER_EXEEXT],
593 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
594
595# POSIX will say in a future version that running "rm -f" with no argument
596# is OK; and we want to be able to make that assumption in our Makefile
597# recipes. So use an aggressive probe to check that the usage we want is
598# actually supported "in the wild" to an acceptable degree.
599# See automake bug#10828.
600# To make any issue more visible, cause the running configure to be aborted
601# by default if the 'rm' program in use doesn't match our expectations; the
602# user can still override this though.
603if rm -f && rm -fr && rm -rf; then : OK; else
604 cat >&2 <<'END'
605Oops!
606
607Your 'rm' program seems unable to run without file operands specified
608on the command line, even when the '-f' option is present. This is contrary
609to the behaviour of most rm programs out there, and not conforming with
610the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
611
612Please tell bug-automake@gnu.org about your system, including the value
613of your $PATH and any error possibly output before this message. This
614can help us improve future automake versions.
615
616END
617 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
618 echo 'Configuration will proceed anyway, since you have set the' >&2
619 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
620 echo >&2
621 else
622 cat >&2 <<'END'
623Aborting the configuration process, to ensure you take notice of the issue.
624
625You can download and install GNU coreutils to get an 'rm' implementation
626that behaves properly: <http://www.gnu.org/software/coreutils/>.
627
628If you want to complete the configuration process using your problematic
629'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
630to "yes", and re-run configure.
631
632END
633 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
634 fi
635fi
636dnl The trailing newline in this macro's definition is deliberate, for
637dnl backward compatibility and to allow trailing 'dnl'-style comments
638dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
639])
640
641dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
642dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
643dnl mangled by Autoconf and run in a shell conditional statement.
644m4_define([_AC_COMPILER_EXEEXT],
645m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
646
647# When config.status generates a header, we must update the stamp-h file.
648# This file resides in the same directory as the config header
649# that is generated. The stamp files are numbered to have different names.
650
651# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
652# loop where config.status creates the headers, so we can generate
653# our stamp files there.
654AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
655[# Compute $1's index in $config_headers.
656_am_arg=$1
657_am_stamp_count=1
658for _am_header in $config_headers :; do
659 case $_am_header in
660 $_am_arg | $_am_arg:* )
661 break ;;
662 * )
663 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
664 esac
665done
666echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
667
668# Copyright (C) 2001-2017 Free Software Foundation, Inc.
669#
670# This file is free software; the Free Software Foundation
671# gives unlimited permission to copy and/or distribute it,
672# with or without modifications, as long as this notice is preserved.
673
674# AM_PROG_INSTALL_SH
675# ------------------
676# Define $install_sh.
677AC_DEFUN([AM_PROG_INSTALL_SH],
678[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
679if test x"${install_sh+set}" != xset; then
680 case $am_aux_dir in
681 *\ * | *\ *)
682 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
683 *)
684 install_sh="\${SHELL} $am_aux_dir/install-sh"
685 esac
686fi
687AC_SUBST([install_sh])])
688
689# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
690# From Jim Meyering
691
692# Copyright (C) 1996-2017 Free Software Foundation, Inc.
693#
694# This file is free software; the Free Software Foundation
695# gives unlimited permission to copy and/or distribute it,
696# with or without modifications, as long as this notice is preserved.
697
698# AM_MAINTAINER_MODE([DEFAULT-MODE])
699# ----------------------------------
700# Control maintainer-specific portions of Makefiles.
701# Default is to disable them, unless 'enable' is passed literally.
702# For symmetry, 'disable' may be passed as well. Anyway, the user
703# can override the default with the --enable/--disable switch.
704AC_DEFUN([AM_MAINTAINER_MODE],
705[m4_case(m4_default([$1], [disable]),
706 [enable], [m4_define([am_maintainer_other], [disable])],
707 [disable], [m4_define([am_maintainer_other], [enable])],
708 [m4_define([am_maintainer_other], [enable])
709 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
710AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
711 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
712 AC_ARG_ENABLE([maintainer-mode],
713 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
714 am_maintainer_other[ make rules and dependencies not useful
715 (and sometimes confusing) to the casual installer])],
716 [USE_MAINTAINER_MODE=$enableval],
717 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
718 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
719 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
720 MAINT=$MAINTAINER_MODE_TRUE
721 AC_SUBST([MAINT])dnl
722]
723)
724
725# Check to see how 'make' treats includes. -*- Autoconf -*-
726
727# Copyright (C) 2001-2017 Free Software Foundation, Inc.
728#
729# This file is free software; the Free Software Foundation
730# gives unlimited permission to copy and/or distribute it,
731# with or without modifications, as long as this notice is preserved.
732
733# AM_MAKE_INCLUDE()
734# -----------------
735# Check to see how make treats includes.
736AC_DEFUN([AM_MAKE_INCLUDE],
737[am_make=${MAKE-make}
738cat > confinc << 'END'
739am__doit:
740 @echo this is the am__doit target
741.PHONY: am__doit
742END
743# If we don't find an include directive, just comment out the code.
744AC_MSG_CHECKING([for style of include used by $am_make])
745am__include="#"
746am__quote=
747_am_result=none
748# First try GNU make style include.
749echo "include confinc" > confmf
750# Ignore all kinds of additional output from 'make'.
751case `$am_make -s -f confmf 2> /dev/null` in #(
752*the\ am__doit\ target*)
753 am__include=include
754 am__quote=
755 _am_result=GNU
756 ;;
757esac
758# Now try BSD make style include.
759if test "$am__include" = "#"; then
760 echo '.include "confinc"' > confmf
761 case `$am_make -s -f confmf 2> /dev/null` in #(
762 *the\ am__doit\ target*)
763 am__include=.include
764 am__quote="\""
765 _am_result=BSD
766 ;;
767 esac
768fi
769AC_SUBST([am__include])
770AC_SUBST([am__quote])
771AC_MSG_RESULT([$_am_result])
772rm -f confinc confmf
773])
774
775# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
776
777# Copyright (C) 1997-2017 Free Software Foundation, Inc.
778#
779# This file is free software; the Free Software Foundation
780# gives unlimited permission to copy and/or distribute it,
781# with or without modifications, as long as this notice is preserved.
782
783# AM_MISSING_PROG(NAME, PROGRAM)
784# ------------------------------
785AC_DEFUN([AM_MISSING_PROG],
786[AC_REQUIRE([AM_MISSING_HAS_RUN])
787$1=${$1-"${am_missing_run}$2"}
788AC_SUBST($1)])
789
790# AM_MISSING_HAS_RUN
791# ------------------
792# Define MISSING if not defined so far and test if it is modern enough.
793# If it is, set am_missing_run to use it, otherwise, to nothing.
794AC_DEFUN([AM_MISSING_HAS_RUN],
795[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
796AC_REQUIRE_AUX_FILE([missing])dnl
797if test x"${MISSING+set}" != xset; then
798 case $am_aux_dir in
799 *\ * | *\ *)
800 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
801 *)
802 MISSING="\${SHELL} $am_aux_dir/missing" ;;
803 esac
804fi
805# Use eval to expand $SHELL
806if eval "$MISSING --is-lightweight"; then
807 am_missing_run="$MISSING "
808else
809 am_missing_run=
810 AC_MSG_WARN(['missing' script is too old or missing])
811fi
812])
813
814# Helper functions for option handling. -*- Autoconf -*-
815
816# Copyright (C) 2001-2017 Free Software Foundation, Inc.
817#
818# This file is free software; the Free Software Foundation
819# gives unlimited permission to copy and/or distribute it,
820# with or without modifications, as long as this notice is preserved.
821
822# _AM_MANGLE_OPTION(NAME)
823# -----------------------
824AC_DEFUN([_AM_MANGLE_OPTION],
825[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
826
827# _AM_SET_OPTION(NAME)
828# --------------------
829# Set option NAME. Presently that only means defining a flag for this option.
830AC_DEFUN([_AM_SET_OPTION],
831[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
832
833# _AM_SET_OPTIONS(OPTIONS)
834# ------------------------
835# OPTIONS is a space-separated list of Automake options.
836AC_DEFUN([_AM_SET_OPTIONS],
837[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
838
839# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
840# -------------------------------------------
841# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
842AC_DEFUN([_AM_IF_OPTION],
843[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
844
845# Copyright (C) 1999-2017 Free Software Foundation, Inc.
846#
847# This file is free software; the Free Software Foundation
848# gives unlimited permission to copy and/or distribute it,
849# with or without modifications, as long as this notice is preserved.
850
851# _AM_PROG_CC_C_O
852# ---------------
853# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
854# to automatically call this.
855AC_DEFUN([_AM_PROG_CC_C_O],
856[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
857AC_REQUIRE_AUX_FILE([compile])dnl
858AC_LANG_PUSH([C])dnl
859AC_CACHE_CHECK(
860 [whether $CC understands -c and -o together],
861 [am_cv_prog_cc_c_o],
862 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
863 # Make sure it works both with $CC and with simple cc.
864 # Following AC_PROG_CC_C_O, we do the test twice because some
865 # compilers refuse to overwrite an existing .o file with -o,
866 # though they will create one.
867 am_cv_prog_cc_c_o=yes
868 for am_i in 1 2; do
869 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
870 && test -f conftest2.$ac_objext; then
871 : OK
872 else
873 am_cv_prog_cc_c_o=no
874 break
875 fi
876 done
877 rm -f core conftest*
878 unset am_i])
879if test "$am_cv_prog_cc_c_o" != yes; then
880 # Losing compiler, so override with the script.
881 # FIXME: It is wrong to rewrite CC.
882 # But if we don't then we get into trouble of one sort or another.
883 # A longer-term fix would be to have automake use am__CC in this case,
884 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
885 CC="$am_aux_dir/compile $CC"
886fi
887AC_LANG_POP([C])])
888
889# For backward compatibility.
890AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
891
892# Copyright (C) 2001-2017 Free Software Foundation, Inc.
893#
894# This file is free software; the Free Software Foundation
895# gives unlimited permission to copy and/or distribute it,
896# with or without modifications, as long as this notice is preserved.
897
898# AM_RUN_LOG(COMMAND)
899# -------------------
900# Run COMMAND, save the exit status in ac_status, and log it.
901# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
902AC_DEFUN([AM_RUN_LOG],
903[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
904 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
905 ac_status=$?
906 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
907 (exit $ac_status); }])
908
909# Check to make sure that the build environment is sane. -*- Autoconf -*-
910
911# Copyright (C) 1996-2017 Free Software Foundation, Inc.
912#
913# This file is free software; the Free Software Foundation
914# gives unlimited permission to copy and/or distribute it,
915# with or without modifications, as long as this notice is preserved.
916
917# AM_SANITY_CHECK
918# ---------------
919AC_DEFUN([AM_SANITY_CHECK],
920[AC_MSG_CHECKING([whether build environment is sane])
921# Reject unsafe characters in $srcdir or the absolute working directory
922# name. Accept space and tab only in the latter.
923am_lf='
924'
925case `pwd` in
926 *[[\\\"\#\$\&\'\`$am_lf]]*)
927 AC_MSG_ERROR([unsafe absolute working directory name]);;
928esac
929case $srcdir in
930 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
931 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
932esac
933
934# Do 'set' in a subshell so we don't clobber the current shell's
935# arguments. Must try -L first in case configure is actually a
936# symlink; some systems play weird games with the mod time of symlinks
937# (eg FreeBSD returns the mod time of the symlink's containing
938# directory).
939if (
940 am_has_slept=no
941 for am_try in 1 2; do
942 echo "timestamp, slept: $am_has_slept" > conftest.file
943 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
944 if test "$[*]" = "X"; then
945 # -L didn't work.
946 set X `ls -t "$srcdir/configure" conftest.file`
947 fi
948 if test "$[*]" != "X $srcdir/configure conftest.file" \
949 && test "$[*]" != "X conftest.file $srcdir/configure"; then
950
951 # If neither matched, then we have a broken ls. This can happen
952 # if, for instance, CONFIG_SHELL is bash and it inherits a
953 # broken ls alias from the environment. This has actually
954 # happened. Such a system could not be considered "sane".
955 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
956 alias in your environment])
957 fi
958 if test "$[2]" = conftest.file || test $am_try -eq 2; then
959 break
960 fi
961 # Just in case.
962 sleep 1
963 am_has_slept=yes
964 done
965 test "$[2]" = conftest.file
966 )
967then
968 # Ok.
969 :
970else
971 AC_MSG_ERROR([newly created file is older than distributed files!
972Check your system clock])
973fi
974AC_MSG_RESULT([yes])
975# If we didn't sleep, we still need to ensure time stamps of config.status and
976# generated files are strictly newer.
977am_sleep_pid=
978if grep 'slept: no' conftest.file >/dev/null 2>&1; then
979 ( sleep 1 ) &
980 am_sleep_pid=$!
981fi
982AC_CONFIG_COMMANDS_PRE(
983 [AC_MSG_CHECKING([that generated files are newer than configure])
984 if test -n "$am_sleep_pid"; then
985 # Hide warnings about reused PIDs.
986 wait $am_sleep_pid 2>/dev/null
987 fi
988 AC_MSG_RESULT([done])])
989rm -f conftest.file
990])
991
992# Copyright (C) 2009-2017 Free Software Foundation, Inc.
993#
994# This file is free software; the Free Software Foundation
995# gives unlimited permission to copy and/or distribute it,
996# with or without modifications, as long as this notice is preserved.
997
998# AM_SILENT_RULES([DEFAULT])
999# --------------------------
1000# Enable less verbose build rules; with the default set to DEFAULT
1001# ("yes" being less verbose, "no" or empty being verbose).
1002AC_DEFUN([AM_SILENT_RULES],
1003[AC_ARG_ENABLE([silent-rules], [dnl
1004AS_HELP_STRING(
1005 [--enable-silent-rules],
1006 [less verbose build output (undo: "make V=1")])
1007AS_HELP_STRING(
1008 [--disable-silent-rules],
1009 [verbose build output (undo: "make V=0")])dnl
1010])
1011case $enable_silent_rules in @%:@ (((
1012 yes) AM_DEFAULT_VERBOSITY=0;;
1013 no) AM_DEFAULT_VERBOSITY=1;;
1014 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1015esac
1016dnl
1017dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1018dnl do not support nested variable expansions.
1019dnl See automake bug#9928 and bug#10237.
1020am_make=${MAKE-make}
1021AC_CACHE_CHECK([whether $am_make supports nested variables],
1022 [am_cv_make_support_nested_variables],
1023 [if AS_ECHO([['TRUE=$(BAR$(V))
1024BAR0=false
1025BAR1=true
1026V=1
1027am__doit:
1028 @$(TRUE)
1029.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1030 am_cv_make_support_nested_variables=yes
1031else
1032 am_cv_make_support_nested_variables=no
1033fi])
1034if test $am_cv_make_support_nested_variables = yes; then
1035 dnl Using '$V' instead of '$(V)' breaks IRIX make.
1036 AM_V='$(V)'
1037 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1038else
1039 AM_V=$AM_DEFAULT_VERBOSITY
1040 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1041fi
1042AC_SUBST([AM_V])dnl
1043AM_SUBST_NOTMAKE([AM_V])dnl
1044AC_SUBST([AM_DEFAULT_V])dnl
1045AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1046AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1047AM_BACKSLASH='\'
1048AC_SUBST([AM_BACKSLASH])dnl
1049_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1050])
1051
1052# Copyright (C) 2001-2017 Free Software Foundation, Inc.
1053#
1054# This file is free software; the Free Software Foundation
1055# gives unlimited permission to copy and/or distribute it,
1056# with or without modifications, as long as this notice is preserved.
1057
1058# AM_PROG_INSTALL_STRIP
1059# ---------------------
1060# One issue with vendor 'install' (even GNU) is that you can't
1061# specify the program used to strip binaries. This is especially
1062# annoying in cross-compiling environments, where the build's strip
1063# is unlikely to handle the host's binaries.
1064# Fortunately install-sh will honor a STRIPPROG variable, so we
1065# always use install-sh in "make install-strip", and initialize
1066# STRIPPROG with the value of the STRIP variable (set by the user).
1067AC_DEFUN([AM_PROG_INSTALL_STRIP],
1068[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1069# Installed binaries are usually stripped using 'strip' when the user
1070# run "make install-strip". However 'strip' might not be the right
1071# tool to use in cross-compilation environments, therefore Automake
1072# will honor the 'STRIP' environment variable to overrule this program.
1073dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1074if test "$cross_compiling" != no; then
1075 AC_CHECK_TOOL([STRIP], [strip], :)
1076fi
1077INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1078AC_SUBST([INSTALL_STRIP_PROGRAM])])
1079
1080# Copyright (C) 2006-2017 Free Software Foundation, Inc.
1081#
1082# This file is free software; the Free Software Foundation
1083# gives unlimited permission to copy and/or distribute it,
1084# with or without modifications, as long as this notice is preserved.
1085
1086# _AM_SUBST_NOTMAKE(VARIABLE)
1087# ---------------------------
1088# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1089# This macro is traced by Automake.
1090AC_DEFUN([_AM_SUBST_NOTMAKE])
1091
1092# AM_SUBST_NOTMAKE(VARIABLE)
1093# --------------------------
1094# Public sister of _AM_SUBST_NOTMAKE.
1095AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1096
1097# Check how to create a tarball. -*- Autoconf -*-
1098
1099# Copyright (C) 2004-2017 Free Software Foundation, Inc.
1100#
1101# This file is free software; the Free Software Foundation
1102# gives unlimited permission to copy and/or distribute it,
1103# with or without modifications, as long as this notice is preserved.
1104
1105# _AM_PROG_TAR(FORMAT)
1106# --------------------
1107# Check how to create a tarball in format FORMAT.
1108# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1109#
1110# Substitute a variable $(am__tar) that is a command
1111# writing to stdout a FORMAT-tarball containing the directory
1112# $tardir.
1113# tardir=directory && $(am__tar) > result.tar
1114#
1115# Substitute a variable $(am__untar) that extract such
1116# a tarball read from stdin.
1117# $(am__untar) < result.tar
1118#
1119AC_DEFUN([_AM_PROG_TAR],
1120[# Always define AMTAR for backward compatibility. Yes, it's still used
1121# in the wild :-( We should find a proper way to deprecate it ...
1122AC_SUBST([AMTAR], ['$${TAR-tar}'])
1123
1124# We'll loop over all known methods to create a tar archive until one works.
1125_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1126
1127m4_if([$1], [v7],
1128 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1129
1130 [m4_case([$1],
1131 [ustar],
1132 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1133 # There is notably a 21 bits limit for the UID and the GID. In fact,
1134 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1135 # and bug#13588).
1136 am_max_uid=2097151 # 2^21 - 1
1137 am_max_gid=$am_max_uid
1138 # The $UID and $GID variables are not portable, so we need to resort
1139 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1140 # below are definitely unexpected, so allow the users to see them
1141 # (that is, avoid stderr redirection).
1142 am_uid=`id -u || echo unknown`
1143 am_gid=`id -g || echo unknown`
1144 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1145 if test $am_uid -le $am_max_uid; then
1146 AC_MSG_RESULT([yes])
1147 else
1148 AC_MSG_RESULT([no])
1149 _am_tools=none
1150 fi
1151 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1152 if test $am_gid -le $am_max_gid; then
1153 AC_MSG_RESULT([yes])
1154 else
1155 AC_MSG_RESULT([no])
1156 _am_tools=none
1157 fi],
1158
1159 [pax],
1160 [],
1161
1162 [m4_fatal([Unknown tar format])])
1163
1164 AC_MSG_CHECKING([how to create a $1 tar archive])
1165
1166 # Go ahead even if we have the value already cached. We do so because we
1167 # need to set the values for the 'am__tar' and 'am__untar' variables.
1168 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1169
1170 for _am_tool in $_am_tools; do
1171 case $_am_tool in
1172 gnutar)
1173 for _am_tar in tar gnutar gtar; do
1174 AM_RUN_LOG([$_am_tar --version]) && break
1175 done
1176 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1177 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1178 am__untar="$_am_tar -xf -"
1179 ;;
1180 plaintar)
1181 # Must skip GNU tar: if it does not support --format= it doesn't create
1182 # ustar tarball either.
1183 (tar --version) >/dev/null 2>&1 && continue
1184 am__tar='tar chf - "$$tardir"'
1185 am__tar_='tar chf - "$tardir"'
1186 am__untar='tar xf -'
1187 ;;
1188 pax)
1189 am__tar='pax -L -x $1 -w "$$tardir"'
1190 am__tar_='pax -L -x $1 -w "$tardir"'
1191 am__untar='pax -r'
1192 ;;
1193 cpio)
1194 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1195 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1196 am__untar='cpio -i -H $1 -d'
1197 ;;
1198 none)
1199 am__tar=false
1200 am__tar_=false
1201 am__untar=false
1202 ;;
1203 esac
1204
1205 # If the value was cached, stop now. We just wanted to have am__tar
1206 # and am__untar set.
1207 test -n "${am_cv_prog_tar_$1}" && break
1208
1209 # tar/untar a dummy directory, and stop if the command works.
1210 rm -rf conftest.dir
1211 mkdir conftest.dir
1212 echo GrepMe > conftest.dir/file
1213 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1214 rm -rf conftest.dir
1215 if test -s conftest.tar; then
1216 AM_RUN_LOG([$am__untar <conftest.tar])
1217 AM_RUN_LOG([cat conftest.dir/file])
1218 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1219 fi
1220 done
1221 rm -rf conftest.dir
1222
1223 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1224 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1225
1226AC_SUBST([am__tar])
1227AC_SUBST([am__untar])
1228]) # _AM_PROG_TAR
1229
b3adc24a 1230m4_include([../bfd/acinclude.m4])
87279e3c 1231m4_include([../config/acx.m4])
0e65dfba 1232m4_include([../config/depstand.m4])
a9b98702 1233m4_include([../config/enable.m4])
8e6635bd 1234m4_include([../config/gettext-sister.m4])
862776f2
AA
1235m4_include([../config/gettext.m4])
1236m4_include([../config/iconv.m4])
1237m4_include([../config/intlmacosx.m4])
d546b610 1238m4_include([../config/jobserver.m4])
0e65dfba 1239m4_include([../config/lead-dot.m4])
862776f2
AA
1240m4_include([../config/lib-ld.m4])
1241m4_include([../config/lib-link.m4])
1242m4_include([../config/lib-prefix.m4])
303da223 1243m4_include([../config/mmap.m4])
862776f2 1244m4_include([../config/nls.m4])
0e65dfba 1245m4_include([../config/override.m4])
862776f2
AA
1246m4_include([../config/po.m4])
1247m4_include([../config/progtest.m4])
0e65dfba 1248m4_include([../config/warnings.m4])
a0486bac 1249m4_include([../config/zlib.m4])
87279e3c
NA
1250m4_include([../libtool.m4])
1251m4_include([../ltoptions.m4])
1252m4_include([../ltsugar.m4])
1253m4_include([../ltversion.m4])
1254m4_include([../lt~obsolete.m4])