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      1 # generated automatically by aclocal 1.11.1 -*- Autoconf -*-
      2 
      3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
      4 # 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
      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],
     15   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
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     20 To do so, use the procedure documented by the package, typically `autoreconf'.])])
     21 
     22 # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008  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.
     27 
     28 # AM_AUTOMAKE_VERSION(VERSION)
     29 # ----------------------------
     30 # Automake X.Y traces this macro to ensure aclocal.m4 has been
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     58 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
     59 
     60 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
     61 #
     62 # This file is free software; the Free Software Foundation
     63 # gives unlimited permission to copy and/or distribute it,
     64 # with or without modifications, as long as this notice is preserved.
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    111 # AM_CONDITIONAL                                            -*- Autoconf -*-
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    113 # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
    114 # Free Software Foundation, Inc.
    115 #
    116 # This file is free software; the Free Software Foundation
    117 # gives unlimited permission to copy and/or distribute it,
    118 # with or without modifications, as long as this notice is preserved.
    119 
    120 # serial 9
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    146 
    147 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
    148 # Free Software Foundation, Inc.
    149 #
    150 # This file is free software; the Free Software Foundation
    151 # gives unlimited permission to copy and/or distribute it,
    152 # with or without modifications, as long as this notice is preserved.
    153 
    154 # serial 10
    155 
    156 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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    229     : > sub/conftest.c
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    258     msvisualcpp | msvcmsys)
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    269        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
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    274        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
    275        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
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    279       # When given -MP, icc 7.0 and 7.1 complain thusly:
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    281       # The diagnosis changed in icc 8.0:
    282       #   icc: Command line remark: option '-MP' not supported
    283       if (grep 'ignoring option' conftest.err ||
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    285         am_cv_$1_dependencies_compiler_type=$depmode
    286         break
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    291   cd ..
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    303 
    304 # AM_SET_DEPDIR
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    307 # This macro is AC_REQUIREd in _AM_DEPENDENCIES
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    310 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
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    313 
    314 # AM_DEP_TRACK
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    322   AMDEPBACKSLASH='\'
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    326 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
    327 ])
    328 
    329 # Generate code to set up dependency tracking.              -*- Autoconf -*-
    330 
    331 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
    332 # Free Software Foundation, Inc.
    333 #
    334 # This file is free software; the Free Software Foundation
    335 # gives unlimited permission to copy and/or distribute it,
    336 # with or without modifications, as long as this notice is preserved.
    337 
    338 #serial 5
    339 
    340 # _AM_OUTPUT_DEPENDENCY_COMMANDS
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    342 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
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    375     # When using ansi2knr, U may be empty or an underscore; expand it
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    387       AS_MKDIR_P([$dirpart/$fdir])
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    394 
    395 
    396 # AM_OUTPUT_DEPENDENCY_COMMANDS
    397 # -----------------------------
    398 # This macro should only be invoked once -- use via AC_REQUIRE.
    399 #
    400 # This code is only required when automatic dependency tracking
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    402 # need in order to bootstrap the dependency handling code.
    403 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
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    408 
    409 # Do all the work for Automake.                             -*- Autoconf -*-
    410 
    411 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
    412 # 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
    413 #
    414 # This file is free software; the Free Software Foundation
    415 # gives unlimited permission to copy and/or distribute it,
    416 # with or without modifications, as long as this notice is preserved.
    417 
    418 # serial 16
    419 
    420 # This macro actually does too much.  Some checks are only needed if
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    422 
    423 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
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    426 # The call with PACKAGE and VERSION arguments is the old style
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    451 # test whether we have cygpath
    452 if test -z "$CYGPATH_W"; then
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    454     CYGPATH_W='cygpath -w'
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    456     CYGPATH_W=echo
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    461 # Define the identity of the package.
    462 dnl Distinguish between old-style and new-style calls.
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    474 _AM_IF_OPTION([no-define],,
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    483 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
    484 AM_MISSING_PROG(AUTOHEADER, autoheader)
    485 AM_MISSING_PROG(MAKEINFO, makeinfo)
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    496 			     [_AM_PROG_TAR([v7])])])
    497 _AM_IF_OPTION([no-dependencies],,
    498 [AC_PROVIDE_IFELSE([AC_PROG_CC],
    499 		  [_AM_DEPENDENCIES(CC)],
    500 		  [define([AC_PROG_CC],
    501 			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
    502 AC_PROVIDE_IFELSE([AC_PROG_CXX],
    503 		  [_AM_DEPENDENCIES(CXX)],
    504 		  [define([AC_PROG_CXX],
    505 			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
    506 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
    507 		  [_AM_DEPENDENCIES(OBJC)],
    508 		  [define([AC_PROG_OBJC],
    509 			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
    510 ])
    511 _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
    512 dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
    513 dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
    514 dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
    515 AC_CONFIG_COMMANDS_PRE(dnl
    516 [m4_provide_if([_AM_COMPILER_EXEEXT],
    517   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
    518 ])
    519 
    520 dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
    521 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
    522 dnl mangled by Autoconf and run in a shell conditional statement.
    523 m4_define([_AC_COMPILER_EXEEXT],
    524 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
    525 
    526 
    527 # When config.status generates a header, we must update the stamp-h file.
    528 # This file resides in the same directory as the config header
    529 # that is generated.  The stamp files are numbered to have different names.
    530 
    531 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
    532 # loop where config.status creates the headers, so we can generate
    533 # our stamp files there.
    534 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
    535 [# Compute $1's index in $config_headers.
    536 _am_arg=$1
    537 _am_stamp_count=1
    538 for _am_header in $config_headers :; do
    539   case $_am_header in
    540     $_am_arg | $_am_arg:* )
    541       break ;;
    542     * )
    543       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
    544   esac
    545 done
    546 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
    547 
    548 # Copyright (C) 2001, 2003, 2005, 2008  Free Software Foundation, Inc.
    549 #
    550 # This file is free software; the Free Software Foundation
    551 # gives unlimited permission to copy and/or distribute it,
    552 # with or without modifications, as long as this notice is preserved.
    553 
    554 # AM_PROG_INSTALL_SH
    555 # ------------------
    556 # Define $install_sh.
    557 AC_DEFUN([AM_PROG_INSTALL_SH],
    558 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    559 if test x"${install_sh}" != xset; then
    560   case $am_aux_dir in
    561   *\ * | *\	*)
    562     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
    563   *)
    564     install_sh="\${SHELL} $am_aux_dir/install-sh"
    565   esac
    566 fi
    567 AC_SUBST(install_sh)])
    568 
    569 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
    570 # From Jim Meyering
    571 
    572 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
    573 # Free Software Foundation, Inc.
    574 #
    575 # This file is free software; the Free Software Foundation
    576 # gives unlimited permission to copy and/or distribute it,
    577 # with or without modifications, as long as this notice is preserved.
    578 
    579 # serial 5
    580 
    581 # AM_MAINTAINER_MODE([DEFAULT-MODE])
    582 # ----------------------------------
    583 # Control maintainer-specific portions of Makefiles.
    584 # Default is to disable them, unless `enable' is passed literally.
    585 # For symmetry, `disable' may be passed as well.  Anyway, the user
    586 # can override the default with the --enable/--disable switch.
    587 AC_DEFUN([AM_MAINTAINER_MODE],
    588 [m4_case(m4_default([$1], [disable]),
    589        [enable], [m4_define([am_maintainer_other], [disable])],
    590        [disable], [m4_define([am_maintainer_other], [enable])],
    591        [m4_define([am_maintainer_other], [enable])
    592         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
    593 AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
    594   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
    595   AC_ARG_ENABLE([maintainer-mode],
    596 [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
    597 			  (and sometimes confusing) to the casual installer],
    598       [USE_MAINTAINER_MODE=$enableval],
    599       [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
    600   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
    601   AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
    602   MAINT=$MAINTAINER_MODE_TRUE
    603   AC_SUBST([MAINT])dnl
    604 ]
    605 )
    606 
    607 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
    608 
    609 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
    610 
    611 # Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
    612 #
    613 # This file is free software; the Free Software Foundation
    614 # gives unlimited permission to copy and/or distribute it,
    615 # with or without modifications, as long as this notice is preserved.
    616 
    617 # serial 4
    618 
    619 # AM_MAKE_INCLUDE()
    620 # -----------------
    621 # Check to see how make treats includes.
    622 AC_DEFUN([AM_MAKE_INCLUDE],
    623 [am_make=${MAKE-make}
    624 cat > confinc << 'END'
    625 am__doit:
    626 	@echo this is the am__doit target
    627 .PHONY: am__doit
    628 END
    629 # If we don't find an include directive, just comment out the code.
    630 AC_MSG_CHECKING([for style of include used by $am_make])
    631 am__include="#"
    632 am__quote=
    633 _am_result=none
    634 # First try GNU make style include.
    635 echo "include confinc" > confmf
    636 # Ignore all kinds of additional output from `make'.
    637 case `$am_make -s -f confmf 2> /dev/null` in #(
    638 *the\ am__doit\ target*)
    639   am__include=include
    640   am__quote=
    641   _am_result=GNU
    642   ;;
    643 esac
    644 # Now try BSD make style include.
    645 if test "$am__include" = "#"; then
    646    echo '.include "confinc"' > confmf
    647    case `$am_make -s -f confmf 2> /dev/null` in #(
    648    *the\ am__doit\ target*)
    649      am__include=.include
    650      am__quote="\""
    651      _am_result=BSD
    652      ;;
    653    esac
    654 fi
    655 AC_SUBST([am__include])
    656 AC_SUBST([am__quote])
    657 AC_MSG_RESULT([$_am_result])
    658 rm -f confinc confmf
    659 ])
    660 
    661 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
    662 
    663 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
    664 # Free Software Foundation, Inc.
    665 #
    666 # This file is free software; the Free Software Foundation
    667 # gives unlimited permission to copy and/or distribute it,
    668 # with or without modifications, as long as this notice is preserved.
    669 
    670 # serial 6
    671 
    672 # AM_MISSING_PROG(NAME, PROGRAM)
    673 # ------------------------------
    674 AC_DEFUN([AM_MISSING_PROG],
    675 [AC_REQUIRE([AM_MISSING_HAS_RUN])
    676 $1=${$1-"${am_missing_run}$2"}
    677 AC_SUBST($1)])
    678 
    679 
    680 # AM_MISSING_HAS_RUN
    681 # ------------------
    682 # Define MISSING if not defined so far and test if it supports --run.
    683 # If it does, set am_missing_run to use it, otherwise, to nothing.
    684 AC_DEFUN([AM_MISSING_HAS_RUN],
    685 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
    686 AC_REQUIRE_AUX_FILE([missing])dnl
    687 if test x"${MISSING+set}" != xset; then
    688   case $am_aux_dir in
    689   *\ * | *\	*)
    690     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
    691   *)
    692     MISSING="\${SHELL} $am_aux_dir/missing" ;;
    693   esac
    694 fi
    695 # Use eval to expand $SHELL
    696 if eval "$MISSING --run true"; then
    697   am_missing_run="$MISSING --run "
    698 else
    699   am_missing_run=
    700   AC_MSG_WARN([`missing' script is too old or missing])
    701 fi
    702 ])
    703 
    704 # Copyright (C) 2003, 2004, 2005, 2006  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 # AM_PROG_MKDIR_P
    711 # ---------------
    712 # Check for `mkdir -p'.
    713 AC_DEFUN([AM_PROG_MKDIR_P],
    714 [AC_PREREQ([2.60])dnl
    715 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
    716 dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
    717 dnl while keeping a definition of mkdir_p for backward compatibility.
    718 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
    719 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
    720 dnl Makefile.ins that do not define MKDIR_P, so we do our own
    721 dnl adjustment using top_builddir (which is defined more often than
    722 dnl MKDIR_P).
    723 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
    724 case $mkdir_p in
    725   [[\\/$]]* | ?:[[\\/]]*) ;;
    726   */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
    727 esac
    728 ])
    729 
    730 # Helper functions for option handling.                     -*- Autoconf -*-
    731 
    732 # Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
    733 #
    734 # This file is free software; the Free Software Foundation
    735 # gives unlimited permission to copy and/or distribute it,
    736 # with or without modifications, as long as this notice is preserved.
    737 
    738 # serial 4
    739 
    740 # _AM_MANGLE_OPTION(NAME)
    741 # -----------------------
    742 AC_DEFUN([_AM_MANGLE_OPTION],
    743 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
    744 
    745 # _AM_SET_OPTION(NAME)
    746 # ------------------------------
    747 # Set option NAME.  Presently that only means defining a flag for this option.
    748 AC_DEFUN([_AM_SET_OPTION],
    749 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
    750 
    751 # _AM_SET_OPTIONS(OPTIONS)
    752 # ----------------------------------
    753 # OPTIONS is a space-separated list of Automake options.
    754 AC_DEFUN([_AM_SET_OPTIONS],
    755 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
    756 
    757 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
    758 # -------------------------------------------
    759 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
    760 AC_DEFUN([_AM_IF_OPTION],
    761 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
    762 
    763 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
    764 
    765 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
    766 # Free Software Foundation, Inc.
    767 #
    768 # This file is free software; the Free Software Foundation
    769 # gives unlimited permission to copy and/or distribute it,
    770 # with or without modifications, as long as this notice is preserved.
    771 
    772 # serial 5
    773 
    774 # AM_SANITY_CHECK
    775 # ---------------
    776 AC_DEFUN([AM_SANITY_CHECK],
    777 [AC_MSG_CHECKING([whether build environment is sane])
    778 # Just in case
    779 sleep 1
    780 echo timestamp > conftest.file
    781 # Reject unsafe characters in $srcdir or the absolute working directory
    782 # name.  Accept space and tab only in the latter.
    783 am_lf='
    784 '
    785 case `pwd` in
    786   *[[\\\"\#\$\&\'\`$am_lf]]*)
    787     AC_MSG_ERROR([unsafe absolute working directory name]);;
    788 esac
    789 case $srcdir in
    790   *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
    791     AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
    792 esac
    793 
    794 # Do `set' in a subshell so we don't clobber the current shell's
    795 # arguments.  Must try -L first in case configure is actually a
    796 # symlink; some systems play weird games with the mod time of symlinks
    797 # (eg FreeBSD returns the mod time of the symlink's containing
    798 # directory).
    799 if (
    800    set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
    801    if test "$[*]" = "X"; then
    802       # -L didn't work.
    803       set X `ls -t "$srcdir/configure" conftest.file`
    804    fi
    805    rm -f conftest.file
    806    if test "$[*]" != "X $srcdir/configure conftest.file" \
    807       && test "$[*]" != "X conftest.file $srcdir/configure"; then
    808 
    809       # If neither matched, then we have a broken ls.  This can happen
    810       # if, for instance, CONFIG_SHELL is bash and it inherits a
    811       # broken ls alias from the environment.  This has actually
    812       # happened.  Such a system could not be considered "sane".
    813       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
    814 alias in your environment])
    815    fi
    816 
    817    test "$[2]" = conftest.file
    818    )
    819 then
    820    # Ok.
    821    :
    822 else
    823    AC_MSG_ERROR([newly created file is older than distributed files!
    824 Check your system clock])
    825 fi
    826 AC_MSG_RESULT(yes)])
    827 
    828 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
    829 #
    830 # This file is free software; the Free Software Foundation
    831 # gives unlimited permission to copy and/or distribute it,
    832 # with or without modifications, as long as this notice is preserved.
    833 
    834 # AM_PROG_INSTALL_STRIP
    835 # ---------------------
    836 # One issue with vendor `install' (even GNU) is that you can't
    837 # specify the program used to strip binaries.  This is especially
    838 # annoying in cross-compiling environments, where the build's strip
    839 # is unlikely to handle the host's binaries.
    840 # Fortunately install-sh will honor a STRIPPROG variable, so we
    841 # always use install-sh in `make install-strip', and initialize
    842 # STRIPPROG with the value of the STRIP variable (set by the user).
    843 AC_DEFUN([AM_PROG_INSTALL_STRIP],
    844 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
    845 # Installed binaries are usually stripped using `strip' when the user
    846 # run `make install-strip'.  However `strip' might not be the right
    847 # tool to use in cross-compilation environments, therefore Automake
    848 # will honor the `STRIP' environment variable to overrule this program.
    849 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
    850 if test "$cross_compiling" != no; then
    851   AC_CHECK_TOOL([STRIP], [strip], :)
    852 fi
    853 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
    854 AC_SUBST([INSTALL_STRIP_PROGRAM])])
    855 
    856 # Copyright (C) 2006, 2008  Free Software Foundation, Inc.
    857 #
    858 # This file is free software; the Free Software Foundation
    859 # gives unlimited permission to copy and/or distribute it,
    860 # with or without modifications, as long as this notice is preserved.
    861 
    862 # serial 2
    863 
    864 # _AM_SUBST_NOTMAKE(VARIABLE)
    865 # ---------------------------
    866 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
    867 # This macro is traced by Automake.
    868 AC_DEFUN([_AM_SUBST_NOTMAKE])
    869 
    870 # AM_SUBST_NOTMAKE(VARIABLE)
    871 # ---------------------------
    872 # Public sister of _AM_SUBST_NOTMAKE.
    873 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
    874 
    875 # Check how to create a tarball.                            -*- Autoconf -*-
    876 
    877 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.
    878 #
    879 # This file is free software; the Free Software Foundation
    880 # gives unlimited permission to copy and/or distribute it,
    881 # with or without modifications, as long as this notice is preserved.
    882 
    883 # serial 2
    884 
    885 # _AM_PROG_TAR(FORMAT)
    886 # --------------------
    887 # Check how to create a tarball in format FORMAT.
    888 # FORMAT should be one of `v7', `ustar', or `pax'.
    889 #
    890 # Substitute a variable $(am__tar) that is a command
    891 # writing to stdout a FORMAT-tarball containing the directory
    892 # $tardir.
    893 #     tardir=directory && $(am__tar) > result.tar
    894 #
    895 # Substitute a variable $(am__untar) that extract such
    896 # a tarball read from stdin.
    897 #     $(am__untar) < result.tar
    898 AC_DEFUN([_AM_PROG_TAR],
    899 [# Always define AMTAR for backward compatibility.
    900 AM_MISSING_PROG([AMTAR], [tar])
    901 m4_if([$1], [v7],
    902      [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
    903      [m4_case([$1], [ustar],, [pax],,
    904               [m4_fatal([Unknown tar format])])
    905 AC_MSG_CHECKING([how to create a $1 tar archive])
    906 # Loop over all known methods to create a tar archive until one works.
    907 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
    908 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
    909 # Do not fold the above two line into one, because Tru64 sh and
    910 # Solaris sh will not grok spaces in the rhs of `-'.
    911 for _am_tool in $_am_tools
    912 do
    913   case $_am_tool in
    914   gnutar)
    915     for _am_tar in tar gnutar gtar;
    916     do
    917       AM_RUN_LOG([$_am_tar --version]) && break
    918     done
    919     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
    920     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
    921     am__untar="$_am_tar -xf -"
    922     ;;
    923   plaintar)
    924     # Must skip GNU tar: if it does not support --format= it doesn't create
    925     # ustar tarball either.
    926     (tar --version) >/dev/null 2>&1 && continue
    927     am__tar='tar chf - "$$tardir"'
    928     am__tar_='tar chf - "$tardir"'
    929     am__untar='tar xf -'
    930     ;;
    931   pax)
    932     am__tar='pax -L -x $1 -w "$$tardir"'
    933     am__tar_='pax -L -x $1 -w "$tardir"'
    934     am__untar='pax -r'
    935     ;;
    936   cpio)
    937     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
    938     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
    939     am__untar='cpio -i -H $1 -d'
    940     ;;
    941   none)
    942     am__tar=false
    943     am__tar_=false
    944     am__untar=false
    945     ;;
    946   esac
    947 
    948   # If the value was cached, stop now.  We just wanted to have am__tar
    949   # and am__untar set.
    950   test -n "${am_cv_prog_tar_$1}" && break
    951 
    952   # tar/untar a dummy directory, and stop if the command works
    953   rm -rf conftest.dir
    954   mkdir conftest.dir
    955   echo GrepMe > conftest.dir/file
    956   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
    957   rm -rf conftest.dir
    958   if test -s conftest.tar; then
    959     AM_RUN_LOG([$am__untar <conftest.tar])
    960     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
    961   fi
    962 done
    963 rm -rf conftest.dir
    964 
    965 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
    966 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
    967 AC_SUBST([am__tar])
    968 AC_SUBST([am__untar])
    969 ]) # _AM_PROG_TAR
    970 
    971 m4_include([../config/acx.m4])
    972 m4_include([../config/depstand.m4])
    973 m4_include([../config/gettext-sister.m4])
    974 m4_include([../config/largefile.m4])
    975 m4_include([../config/lead-dot.m4])
    976 m4_include([../config/nls.m4])
    977 m4_include([../config/override.m4])
    978 m4_include([../config/plugins.m4])
    979 m4_include([../config/po.m4])
    980 m4_include([../config/progtest.m4])
    981 m4_include([../config/stdint.m4])
    982 m4_include([../libtool.m4])
    983 m4_include([../ltoptions.m4])
    984 m4_include([../ltsugar.m4])
    985 m4_include([../ltversion.m4])
    986 m4_include([../lt~obsolete.m4])
    987 m4_include([bfd.m4])
    988 m4_include([warning.m4])
    989 m4_include([acinclude.m4])
    990