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      1 # generated automatically by aclocal 1.12.2 -*- Autoconf -*-
      2 
      3 # Copyright (C) 1996-2012 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 
     14 m4_ifndef([AC_AUTOCONF_VERSION],
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     21 
     22 # Copyright (C) 2002-2012 Free Software Foundation, Inc.
     23 #
     24 # This file is free software; the Free Software Foundation
     25 # gives unlimited permission to copy and/or distribute it,
     26 # with or without modifications, as long as this notice is preserved.
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     28 # serial 8
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     30 # AM_AUTOMAKE_VERSION(VERSION)
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     60 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
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     62 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
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     64 # This file is free software; the Free Software Foundation
     65 # gives unlimited permission to copy and/or distribute it,
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    117 # Copyright (C) 1997-2012 Free Software Foundation, Inc.
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    119 # This file is free software; the Free Software Foundation
    120 # gives unlimited permission to copy and/or distribute it,
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    150 # Copyright (C) 1999-2012 Free Software Foundation, Inc.
    151 #
    152 # This file is free software; the Free Software Foundation
    153 # gives unlimited permission to copy and/or distribute it,
    154 # with or without modifications, as long as this notice is preserved.
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    156 # serial 17
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    340 # Generate code to set up dependency tracking.              -*- Autoconf -*-
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    342 # Copyright (C) 1999-2012 Free Software Foundation, Inc.
    343 #
    344 # This file is free software; the Free Software Foundation
    345 # gives unlimited permission to copy and/or distribute it,
    346 # with or without modifications, as long as this notice is preserved.
    347 
    348 # serial 6
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    403 
    404 # AM_OUTPUT_DEPENDENCY_COMMANDS
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    407 #
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    416 
    417 # Do all the work for Automake.                             -*- Autoconf -*-
    418 
    419 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
    420 #
    421 # This file is free software; the Free Software Foundation
    422 # gives unlimited permission to copy and/or distribute it,
    423 # with or without modifications, as long as this notice is preserved.
    424 
    425 # serial 19
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    427 # This macro actually does too much.  Some checks are only needed if
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    430 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
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    468 # Define the identity of the package.
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    486 _AM_IF_OPTION([no-define],,
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    493 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
    494 AM_MISSING_PROG([AUTOCONF], [autoconf])
    495 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
    496 AM_MISSING_PROG([AUTOHEADER], [autoheader])
    497 AM_MISSING_PROG([MAKEINFO], [makeinfo])
    498 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
    499 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
    500 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
    501 # For better backward compatibility.  To be removed once Automake 1.9.x
    502 # dies out for good.  For more background, see:
    503 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
    504 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
    505 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
    506 # We need awk for the "check" target.  The system "awk" is bad on
    507 # some platforms.
    508 AC_REQUIRE([AC_PROG_AWK])dnl
    509 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
    510 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
    511 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
    512 	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
    513 			     [_AM_PROG_TAR([v7])])])
    514 _AM_IF_OPTION([no-dependencies],,
    515 [AC_PROVIDE_IFELSE([AC_PROG_CC],
    516 		  [_AM_DEPENDENCIES([CC])],
    517 		  [m4_define([AC_PROG_CC],
    518 			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
    519 AC_PROVIDE_IFELSE([AC_PROG_CXX],
    520 		  [_AM_DEPENDENCIES([CXX])],
    521 		  [m4_define([AC_PROG_CXX],
    522 			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
    523 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
    524 		  [_AM_DEPENDENCIES([OBJC])],
    525 		  [m4_define([AC_PROG_OBJC],
    526 			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
    527 dnl Support for Objective C++ was only introduced in Autoconf 2.65,
    528 dnl but we still cater to Autoconf 2.62.
    529 m4_ifdef([AC_PROG_OBJCXX],
    530 [AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
    531 		  [_AM_DEPENDENCIES([OBJCXX])],
    532 		  [m4_define([AC_PROG_OBJCXX],
    533 			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])])dnl
    534 ])
    535 _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
    536 dnl The 'parallel-tests' driver may need to know about EXEEXT, so add the
    537 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
    538 dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
    539 AC_CONFIG_COMMANDS_PRE(dnl
    540 [m4_provide_if([_AM_COMPILER_EXEEXT],
    541   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
    542 ])
    543 
    544 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
    545 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
    546 dnl mangled by Autoconf and run in a shell conditional statement.
    547 m4_define([_AC_COMPILER_EXEEXT],
    548 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
    549 
    550 
    551 # When config.status generates a header, we must update the stamp-h file.
    552 # This file resides in the same directory as the config header
    553 # that is generated.  The stamp files are numbered to have different names.
    554 
    555 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
    556 # loop where config.status creates the headers, so we can generate
    557 # our stamp files there.
    558 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
    559 [# Compute $1's index in $config_headers.
    560 _am_arg=$1
    561 _am_stamp_count=1
    562 for _am_header in $config_headers :; do
    563   case $_am_header in
    564     $_am_arg | $_am_arg:* )
    565       break ;;
    566     * )
    567       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
    568   esac
    569 done
    570 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
    571 
    572 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
    573 #
    574 # This file is free software; the Free Software Foundation
    575 # gives unlimited permission to copy and/or distribute it,
    576 # with or without modifications, as long as this notice is preserved.
    577 
    578 # serial 8
    579 
    580 # AM_PROG_INSTALL_SH
    581 # ------------------
    582 # Define $install_sh.
    583 AC_DEFUN([AM_PROG_INSTALL_SH],
    584 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    585 if test x"${install_sh}" != xset; then
    586   case $am_aux_dir in
    587   *\ * | *\	*)
    588     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
    589   *)
    590     install_sh="\${SHELL} $am_aux_dir/install-sh"
    591   esac
    592 fi
    593 AC_SUBST([install_sh])])
    594 
    595 # Copyright (C) 2003-2012 Free Software Foundation, Inc.
    596 #
    597 # This file is free software; the Free Software Foundation
    598 # gives unlimited permission to copy and/or distribute it,
    599 # with or without modifications, as long as this notice is preserved.
    600 
    601 # serial 2
    602 
    603 # Check whether the underlying file-system supports filenames
    604 # with a leading dot.  For instance MS-DOS doesn't.
    605 AC_DEFUN([AM_SET_LEADING_DOT],
    606 [rm -rf .tst 2>/dev/null
    607 mkdir .tst 2>/dev/null
    608 if test -d .tst; then
    609   am__leading_dot=.
    610 else
    611   am__leading_dot=_
    612 fi
    613 rmdir .tst 2>/dev/null
    614 AC_SUBST([am__leading_dot])])
    615 
    616 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
    617 
    618 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
    619 #
    620 # This file is free software; the Free Software Foundation
    621 # gives unlimited permission to copy and/or distribute it,
    622 # with or without modifications, as long as this notice is preserved.
    623 
    624 # serial 5
    625 
    626 # AM_MAKE_INCLUDE()
    627 # -----------------
    628 # Check to see how make treats includes.
    629 AC_DEFUN([AM_MAKE_INCLUDE],
    630 [am_make=${MAKE-make}
    631 cat > confinc << 'END'
    632 am__doit:
    633 	@echo this is the am__doit target
    634 .PHONY: am__doit
    635 END
    636 # If we don't find an include directive, just comment out the code.
    637 AC_MSG_CHECKING([for style of include used by $am_make])
    638 am__include="#"
    639 am__quote=
    640 _am_result=none
    641 # First try GNU make style include.
    642 echo "include confinc" > confmf
    643 # Ignore all kinds of additional output from 'make'.
    644 case `$am_make -s -f confmf 2> /dev/null` in #(
    645 *the\ am__doit\ target*)
    646   am__include=include
    647   am__quote=
    648   _am_result=GNU
    649   ;;
    650 esac
    651 # Now try BSD make style include.
    652 if test "$am__include" = "#"; then
    653    echo '.include "confinc"' > confmf
    654    case `$am_make -s -f confmf 2> /dev/null` in #(
    655    *the\ am__doit\ target*)
    656      am__include=.include
    657      am__quote="\""
    658      _am_result=BSD
    659      ;;
    660    esac
    661 fi
    662 AC_SUBST([am__include])
    663 AC_SUBST([am__quote])
    664 AC_MSG_RESULT([$_am_result])
    665 rm -f confinc confmf
    666 ])
    667 
    668 # Copyright (C) 1999-2012 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 # serial 6
    675 
    676 # AM_PROG_CC_C_O
    677 # --------------
    678 # Like AC_PROG_CC_C_O, but changed for automake.
    679 AC_DEFUN([AM_PROG_CC_C_O],
    680 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
    681 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    682 AC_REQUIRE_AUX_FILE([compile])dnl
    683 # FIXME: we rely on the cache variable name because
    684 # there is no other way.
    685 set dummy $CC
    686 am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
    687 eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
    688 if test "$am_t" != yes; then
    689    # Losing compiler, so override with the script.
    690    # FIXME: It is wrong to rewrite CC.
    691    # But if we don't then we get into trouble of one sort or another.
    692    # A longer-term fix would be to have automake use am__CC in this case,
    693    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
    694    CC="$am_aux_dir/compile $CC"
    695 fi
    696 dnl Make sure AC_PROG_CC is never called again, or it will override our
    697 dnl setting of CC.
    698 m4_define([AC_PROG_CC],
    699           [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
    700 ])
    701 
    702 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
    703 
    704 # Copyright (C) 1997-2012 Free Software Foundation, Inc.
    705 #
    706 # This file is free software; the Free Software Foundation
    707 # gives unlimited permission to copy and/or distribute it,
    708 # with or without modifications, as long as this notice is preserved.
    709 
    710 # serial 7
    711 
    712 # AM_MISSING_PROG(NAME, PROGRAM)
    713 # ------------------------------
    714 AC_DEFUN([AM_MISSING_PROG],
    715 [AC_REQUIRE([AM_MISSING_HAS_RUN])
    716 $1=${$1-"${am_missing_run}$2"}
    717 AC_SUBST($1)])
    718 
    719 
    720 # AM_MISSING_HAS_RUN
    721 # ------------------
    722 # Define MISSING if not defined so far and test if it supports --run.
    723 # If it does, set am_missing_run to use it, otherwise, to nothing.
    724 AC_DEFUN([AM_MISSING_HAS_RUN],
    725 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    726 AC_REQUIRE_AUX_FILE([missing])dnl
    727 if test x"${MISSING+set}" != xset; then
    728   case $am_aux_dir in
    729   *\ * | *\	*)
    730     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
    731   *)
    732     MISSING="\${SHELL} $am_aux_dir/missing" ;;
    733   esac
    734 fi
    735 # Use eval to expand $SHELL
    736 if eval "$MISSING --run true"; then
    737   am_missing_run="$MISSING --run "
    738 else
    739   am_missing_run=
    740   AC_MSG_WARN(['missing' script is too old or missing])
    741 fi
    742 ])
    743 
    744 # Helper functions for option handling.                     -*- Autoconf -*-
    745 
    746 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
    747 #
    748 # This file is free software; the Free Software Foundation
    749 # gives unlimited permission to copy and/or distribute it,
    750 # with or without modifications, as long as this notice is preserved.
    751 
    752 # serial 6
    753 
    754 # _AM_MANGLE_OPTION(NAME)
    755 # -----------------------
    756 AC_DEFUN([_AM_MANGLE_OPTION],
    757 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
    758 
    759 # _AM_SET_OPTION(NAME)
    760 # --------------------
    761 # Set option NAME.  Presently that only means defining a flag for this option.
    762 AC_DEFUN([_AM_SET_OPTION],
    763 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
    764 
    765 # _AM_SET_OPTIONS(OPTIONS)
    766 # ------------------------
    767 # OPTIONS is a space-separated list of Automake options.
    768 AC_DEFUN([_AM_SET_OPTIONS],
    769 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
    770 
    771 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
    772 # -------------------------------------------
    773 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
    774 AC_DEFUN([_AM_IF_OPTION],
    775 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
    776 
    777 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
    778 
    779 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
    780 #
    781 # This file is free software; the Free Software Foundation
    782 # gives unlimited permission to copy and/or distribute it,
    783 # with or without modifications, as long as this notice is preserved.
    784 
    785 # serial 9
    786 
    787 # AM_SANITY_CHECK
    788 # ---------------
    789 AC_DEFUN([AM_SANITY_CHECK],
    790 [AC_MSG_CHECKING([whether build environment is sane])
    791 # Reject unsafe characters in $srcdir or the absolute working directory
    792 # name.  Accept space and tab only in the latter.
    793 am_lf='
    794 '
    795 case `pwd` in
    796   *[[\\\"\#\$\&\'\`$am_lf]]*)
    797     AC_MSG_ERROR([unsafe absolute working directory name]);;
    798 esac
    799 case $srcdir in
    800   *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
    801     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
    802 esac
    803 
    804 # Do 'set' in a subshell so we don't clobber the current shell's
    805 # arguments.  Must try -L first in case configure is actually a
    806 # symlink; some systems play weird games with the mod time of symlinks
    807 # (eg FreeBSD returns the mod time of the symlink's containing
    808 # directory).
    809 if (
    810    am_has_slept=no
    811    for am_try in 1 2; do
    812      echo "timestamp, slept: $am_has_slept" > conftest.file
    813      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
    814      if test "$[*]" = "X"; then
    815 	# -L didn't work.
    816 	set X `ls -t "$srcdir/configure" conftest.file`
    817      fi
    818      if test "$[*]" != "X $srcdir/configure conftest.file" \
    819 	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
    820 
    821 	# If neither matched, then we have a broken ls.  This can happen
    822 	# if, for instance, CONFIG_SHELL is bash and it inherits a
    823 	# broken ls alias from the environment.  This has actually
    824 	# happened.  Such a system could not be considered "sane".
    825 	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
    826   alias in your environment])
    827      fi
    828      if test "$[2]" = conftest.file || test $am_try -eq 2; then
    829        break
    830      fi
    831      # Just in case.
    832      sleep 1
    833      am_has_slept=yes
    834    done
    835    test "$[2]" = conftest.file
    836    )
    837 then
    838    # Ok.
    839    :
    840 else
    841    AC_MSG_ERROR([newly created file is older than distributed files!
    842 Check your system clock])
    843 fi
    844 AC_MSG_RESULT([yes])
    845 # If we didn't sleep, we still need to ensure time stamps of config.status and
    846 # generated files are strictly newer.
    847 am_sleep_pid=
    848 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
    849   ( sleep 1 ) &
    850   am_sleep_pid=$!
    851 fi
    852 AC_CONFIG_COMMANDS_PRE(
    853   [AC_MSG_CHECKING([that generated files are newer than configure])
    854    if test -n "$am_sleep_pid"; then
    855      # Hide warnings about reused PIDs.
    856      wait $am_sleep_pid 2>/dev/null
    857    fi
    858    AC_MSG_RESULT([done])])
    859 rm -f conftest.file
    860 ])
    861 
    862 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
    863 #
    864 # This file is free software; the Free Software Foundation
    865 # gives unlimited permission to copy and/or distribute it,
    866 # with or without modifications, as long as this notice is preserved.
    867 
    868 # serial 2
    869 
    870 # AM_PROG_INSTALL_STRIP
    871 # ---------------------
    872 # One issue with vendor 'install' (even GNU) is that you can't
    873 # specify the program used to strip binaries.  This is especially
    874 # annoying in cross-compiling environments, where the build's strip
    875 # is unlikely to handle the host's binaries.
    876 # Fortunately install-sh will honor a STRIPPROG variable, so we
    877 # always use install-sh in "make install-strip", and initialize
    878 # STRIPPROG with the value of the STRIP variable (set by the user).
    879 AC_DEFUN([AM_PROG_INSTALL_STRIP],
    880 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
    881 # Installed binaries are usually stripped using 'strip' when the user
    882 # run "make install-strip".  However 'strip' might not be the right
    883 # tool to use in cross-compilation environments, therefore Automake
    884 # will honor the 'STRIP' environment variable to overrule this program.
    885 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
    886 if test "$cross_compiling" != no; then
    887   AC_CHECK_TOOL([STRIP], [strip], :)
    888 fi
    889 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
    890 AC_SUBST([INSTALL_STRIP_PROGRAM])])
    891 
    892 # Copyright (C) 2006-2012 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 # serial 3
    899 
    900 # _AM_SUBST_NOTMAKE(VARIABLE)
    901 # ---------------------------
    902 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
    903 # This macro is traced by Automake.
    904 AC_DEFUN([_AM_SUBST_NOTMAKE])
    905 
    906 # AM_SUBST_NOTMAKE(VARIABLE)
    907 # --------------------------
    908 # Public sister of _AM_SUBST_NOTMAKE.
    909 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
    910 
    911 # Check how to create a tarball.                            -*- Autoconf -*-
    912 
    913 # Copyright (C) 2004-2012 Free Software Foundation, Inc.
    914 #
    915 # This file is free software; the Free Software Foundation
    916 # gives unlimited permission to copy and/or distribute it,
    917 # with or without modifications, as long as this notice is preserved.
    918 
    919 # serial 3
    920 
    921 # _AM_PROG_TAR(FORMAT)
    922 # --------------------
    923 # Check how to create a tarball in format FORMAT.
    924 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
    925 #
    926 # Substitute a variable $(am__tar) that is a command
    927 # writing to stdout a FORMAT-tarball containing the directory
    928 # $tardir.
    929 #     tardir=directory && $(am__tar) > result.tar
    930 #
    931 # Substitute a variable $(am__untar) that extract such
    932 # a tarball read from stdin.
    933 #     $(am__untar) < result.tar
    934 AC_DEFUN([_AM_PROG_TAR],
    935 [# Always define AMTAR for backward compatibility.  Yes, it's still used
    936 # in the wild :-(  We should find a proper way to deprecate it ...
    937 AC_SUBST([AMTAR], ['$${TAR-tar}'])
    938 m4_if([$1], [v7],
    939      [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
    940      [m4_case([$1], [ustar],, [pax],,
    941               [m4_fatal([Unknown tar format])])
    942 AC_MSG_CHECKING([how to create a $1 tar archive])
    943 # Loop over all known methods to create a tar archive until one works.
    944 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
    945 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
    946 # Do not fold the above two line into one, because Tru64 sh and
    947 # Solaris sh will not grok spaces in the rhs of '-'.
    948 for _am_tool in $_am_tools
    949 do
    950   case $_am_tool in
    951   gnutar)
    952     for _am_tar in tar gnutar gtar;
    953     do
    954       AM_RUN_LOG([$_am_tar --version]) && break
    955     done
    956     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
    957     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
    958     am__untar="$_am_tar -xf -"
    959     ;;
    960   plaintar)
    961     # Must skip GNU tar: if it does not support --format= it doesn't create
    962     # ustar tarball either.
    963     (tar --version) >/dev/null 2>&1 && continue
    964     am__tar='tar chf - "$$tardir"'
    965     am__tar_='tar chf - "$tardir"'
    966     am__untar='tar xf -'
    967     ;;
    968   pax)
    969     am__tar='pax -L -x $1 -w "$$tardir"'
    970     am__tar_='pax -L -x $1 -w "$tardir"'
    971     am__untar='pax -r'
    972     ;;
    973   cpio)
    974     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
    975     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
    976     am__untar='cpio -i -H $1 -d'
    977     ;;
    978   none)
    979     am__tar=false
    980     am__tar_=false
    981     am__untar=false
    982     ;;
    983   esac
    984 
    985   # If the value was cached, stop now.  We just wanted to have am__tar
    986   # and am__untar set.
    987   test -n "${am_cv_prog_tar_$1}" && break
    988 
    989   # tar/untar a dummy directory, and stop if the command works
    990   rm -rf conftest.dir
    991   mkdir conftest.dir
    992   echo GrepMe > conftest.dir/file
    993   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    994   rm -rf conftest.dir
    995   if test -s conftest.tar; then
    996     AM_RUN_LOG([$am__untar <conftest.tar])
    997     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    998   fi
    999 done
   1000 rm -rf conftest.dir
   1001 
   1002 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
   1003 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
   1004 AC_SUBST([am__tar])
   1005 AC_SUBST([am__untar])
   1006 ]) # _AM_PROG_TAR
   1007 
   1008 m4_include([m4/ac_backport_259_ssizet.m4])
   1009 m4_include([m4/acx_pthread.m4])
   1010 m4_include([m4/libtool.m4])
   1011 m4_include([m4/ltoptions.m4])
   1012 m4_include([m4/ltsugar.m4])
   1013 m4_include([m4/ltversion.m4])
   1014 m4_include([m4/lt~obsolete.m4])
   1015