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version 1.5, 2007/11/11 08:44:12 version 1.8, 2013/12/20 02:02:23
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Line 502  AC_REQUIRE([AC_PROG_AWK])dnl
 AC_REQUIRE([AC_PROG_MAKE_SET])dnl  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 AC_REQUIRE([AM_SET_LEADING_DOT])dnl  AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],  _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],                [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
                              [_AM_PROG_TAR([v7])])])                               [_AM_PROG_TAR([v7])])])
 _AM_IF_OPTION([no-dependencies],,  _AM_IF_OPTION([no-dependencies],,
 [AC_PROVIDE_IFELSE([AC_PROG_CC],  [AC_PROVIDE_IFELSE([AC_PROG_CC],
                   [_AM_DEPENDENCIES(CC)],                    [_AM_DEPENDENCIES(CC)],
                   [define([AC_PROG_CC],                    [define([AC_PROG_CC],
                           defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl                            defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_CXX],  AC_PROVIDE_IFELSE([AC_PROG_CXX],
                   [_AM_DEPENDENCIES(CXX)],                    [_AM_DEPENDENCIES(CXX)],
                   [define([AC_PROG_CXX],                    [define([AC_PROG_CXX],
                           defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl                            defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_OBJC],  AC_PROVIDE_IFELSE([AC_PROG_OBJC],
                   [_AM_DEPENDENCIES(OBJC)],                    [_AM_DEPENDENCIES(OBJC)],
                   [define([AC_PROG_OBJC],                    [define([AC_PROG_OBJC],
                           defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl                            defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
 ])  ])
   _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
   dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
   dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
   dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
   AC_CONFIG_COMMANDS_PRE(dnl
   [m4_provide_if([_AM_COMPILER_EXEEXT],
     [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 ])  ])
   
   dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
   dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
   dnl mangled by Autoconf and run in a shell conditional statement.
   m4_define([_AC_COMPILER_EXEEXT],
   m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
   
   
 # When config.status generates a header, we must update the stamp-h file.  # When config.status generates a header, we must update the stamp-h file.
 # This file resides in the same directory as the config header  # This file resides in the same directory as the config header
 # that is generated.  The stamp files are numbered to have different names.  # that is generated.  The stamp files are numbered to have different names.
Line 479  AC_PROVIDE_IFELSE([AC_PROG_OBJC],
Line 543  AC_PROVIDE_IFELSE([AC_PROG_OBJC],
 # our stamp files there.  # our stamp files there.
 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],  AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
 [# Compute $1's index in $config_headers.  [# Compute $1's index in $config_headers.
   _am_arg=$1
 _am_stamp_count=1  _am_stamp_count=1
 for _am_header in $config_headers :; do  for _am_header in $config_headers :; do
   case $_am_header in    case $_am_header in
     $1 | $1:* )      $_am_arg | $_am_arg:* )
       break ;;        break ;;
     * )      * )
       _am_stamp_count=`expr $_am_stamp_count + 1` ;;        _am_stamp_count=`expr $_am_stamp_count + 1` ;;
   esac    esac
 done  done
 echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])  echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
   
 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.  # Copyright (C) 2001, 2003, 2005, 2008, 2011 Free Software Foundation,
   # Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
   # serial 1
   
 # AM_PROG_INSTALL_SH  # AM_PROG_INSTALL_SH
 # ------------------  # ------------------
 # Define $install_sh.  # Define $install_sh.
 AC_DEFUN([AM_PROG_INSTALL_SH],  AC_DEFUN([AM_PROG_INSTALL_SH],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl  [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}  if test x"${install_sh}" != xset; then
     case $am_aux_dir in
     *\ * | *\     *)
       install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
     *)
       install_sh="\${SHELL} $am_aux_dir/install-sh"
     esac
   fi
 AC_SUBST(install_sh)])  AC_SUBST(install_sh)])
   
 # Copyright (C) 2003, 2005  Free Software Foundation, Inc.  # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
Line 528  AC_SUBST([am__leading_dot])])
Line 603  AC_SUBST([am__leading_dot])])
 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-  # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 # From Jim Meyering  # From Jim Meyering
   
 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005  # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
 # Free Software Foundation, Inc.  # 2011 Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
 # serial 4  # serial 5
   
   # AM_MAINTAINER_MODE([DEFAULT-MODE])
   # ----------------------------------
   # Control maintainer-specific portions of Makefiles.
   # Default is to disable them, unless `enable' is passed literally.
   # For symmetry, `disable' may be passed as well.  Anyway, the user
   # can override the default with the --enable/--disable switch.
 AC_DEFUN([AM_MAINTAINER_MODE],  AC_DEFUN([AM_MAINTAINER_MODE],
 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])  [m4_case(m4_default([$1], [disable]),
   dnl maintainer-mode is disabled by default         [enable], [m4_define([am_maintainer_other], [disable])],
   AC_ARG_ENABLE(maintainer-mode,         [disable], [m4_define([am_maintainer_other], [enable])],
 [  --enable-maintainer-mode  enable make rules and dependencies not useful         [m4_define([am_maintainer_other], [enable])
           m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
   AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
     dnl maintainer-mode's default is 'disable' unless 'enable' is passed
     AC_ARG_ENABLE([maintainer-mode],
   [  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
                           (and sometimes confusing) to the casual installer],                            (and sometimes confusing) to the casual installer],
       USE_MAINTAINER_MODE=$enableval,        [USE_MAINTAINER_MODE=$enableval],
       USE_MAINTAINER_MODE=no)        [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
   AC_MSG_RESULT([$USE_MAINTAINER_MODE])    AC_MSG_RESULT([$USE_MAINTAINER_MODE])
   AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])    AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
   MAINT=$MAINTAINER_MODE_TRUE    MAINT=$MAINTAINER_MODE_TRUE
   AC_SUBST(MAINT)dnl    AC_SUBST([MAINT])dnl
 ]  ]
 )  )
   
Line 556  AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
Line 642  AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
   
 # Check to see how 'make' treats includes.                  -*- Autoconf -*-  # Check to see how 'make' treats includes.                  -*- Autoconf -*-
   
 # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.  # Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
 # serial 3  # serial 4
   
 # AM_MAKE_INCLUDE()  # AM_MAKE_INCLUDE()
 # -----------------  # -----------------
Line 571  AC_DEFUN([AM_MAKE_INCLUDE],
Line 657  AC_DEFUN([AM_MAKE_INCLUDE],
 [am_make=${MAKE-make}  [am_make=${MAKE-make}
 cat > confinc << 'END'  cat > confinc << 'END'
 am__doit:  am__doit:
         @echo done          @echo this is the am__doit target
 .PHONY: am__doit  .PHONY: am__doit
 END  END
 # If we don't find an include directive, just comment out the code.  # If we don't find an include directive, just comment out the code.
Line 581  am__quote=
Line 667  am__quote=
 _am_result=none  _am_result=none
 # First try GNU make style include.  # First try GNU make style include.
 echo "include confinc" > confmf  echo "include confinc" > confmf
 # We grep out `Entering directory' and `Leaving directory'  # Ignore all kinds of additional output from `make'.
 # messages which can occur if `w' ends up in MAKEFLAGS.  case `$am_make -s -f confmf 2> /dev/null` in #(
 # In particular we don't look at `^make:' because GNU make might  *the\ am__doit\ target*)
 # be invoked under some other name (usually "gmake"), in which    am__include=include
 # case it prints its new name instead of `make'.    am__quote=
 if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then    _am_result=GNU
    am__include=include    ;;
    am__quote=  esac
    _am_result=GNU  
 fi  
 # Now try BSD make style include.  # Now try BSD make style include.
 if test "$am__include" = "#"; then  if test "$am__include" = "#"; then
    echo '.include "confinc"' > confmf     echo '.include "confinc"' > confmf
    if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then     case `$am_make -s -f confmf 2> /dev/null` in #(
       am__include=.include     *the\ am__doit\ target*)
       am__quote="\""       am__include=.include
       _am_result=BSD       am__quote="\""
    fi       _am_result=BSD
        ;;
      esac
 fi  fi
 AC_SUBST([am__include])  AC_SUBST([am__include])
 AC_SUBST([am__quote])  AC_SUBST([am__quote])
Line 608  rm -f confinc confmf
Line 694  rm -f confinc confmf
   
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-  # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
   
 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005  # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
 # Free Software Foundation, Inc.  # Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
 # serial 5  # serial 6
   
 # AM_MISSING_PROG(NAME, PROGRAM)  # AM_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------  # ------------------------------
Line 632  AC_SUBST($1)])
Line 718  AC_SUBST($1)])
 AC_DEFUN([AM_MISSING_HAS_RUN],  AC_DEFUN([AM_MISSING_HAS_RUN],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl  [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 AC_REQUIRE_AUX_FILE([missing])dnl  AC_REQUIRE_AUX_FILE([missing])dnl
 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"  if test x"${MISSING+set}" != xset; then
     case $am_aux_dir in
     *\ * | *\     *)
       MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
     *)
       MISSING="\${SHELL} $am_aux_dir/missing" ;;
     esac
   fi
 # Use eval to expand $SHELL  # Use eval to expand $SHELL
 if eval "$MISSING --run true"; then  if eval "$MISSING --run true"; then
   am_missing_run="$MISSING --run "    am_missing_run="$MISSING --run "
Line 642  else
Line 735  else
 fi  fi
 ])  ])
   
 # Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.  # Copyright (C) 2003, 2004, 2005, 2006, 2011 Free Software Foundation,
   # Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
   # serial 1
   
 # AM_PROG_MKDIR_P  # AM_PROG_MKDIR_P
 # ---------------  # ---------------
 # Check for `mkdir -p'.  # Check for `mkdir -p'.
Line 670  esac
Line 766  esac
   
 # Helper functions for option handling.                     -*- Autoconf -*-  # Helper functions for option handling.                     -*- Autoconf -*-
   
 # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.  # Copyright (C) 2001, 2002, 2003, 2005, 2008, 2010 Free Software
   # Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
 # serial 3  # serial 5
   
 # _AM_MANGLE_OPTION(NAME)  # _AM_MANGLE_OPTION(NAME)
 # -----------------------  # -----------------------
Line 684  AC_DEFUN([_AM_MANGLE_OPTION],
Line 781  AC_DEFUN([_AM_MANGLE_OPTION],
 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])  [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
   
 # _AM_SET_OPTION(NAME)  # _AM_SET_OPTION(NAME)
 # ------------------------------  # --------------------
 # Set option NAME.  Presently that only means defining a flag for this option.  # Set option NAME.  Presently that only means defining a flag for this option.
 AC_DEFUN([_AM_SET_OPTION],  AC_DEFUN([_AM_SET_OPTION],
 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])  [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
   
 # _AM_SET_OPTIONS(OPTIONS)  # _AM_SET_OPTIONS(OPTIONS)
 # ----------------------------------  # ------------------------
 # OPTIONS is a space-separated list of Automake options.  # OPTIONS is a space-separated list of Automake options.
 AC_DEFUN([_AM_SET_OPTIONS],  AC_DEFUN([_AM_SET_OPTIONS],
 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])  [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
   
 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])  # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
 # -------------------------------------------  # -------------------------------------------
Line 703  AC_DEFUN([_AM_IF_OPTION],
Line 800  AC_DEFUN([_AM_IF_OPTION],
   
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-  # Check to make sure that the build environment is sane.    -*- Autoconf -*-
   
 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005  # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
 # Free Software Foundation, Inc.  # Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
 # serial 4  # serial 5
   
 # AM_SANITY_CHECK  # AM_SANITY_CHECK
 # ---------------  # ---------------
Line 719  AC_DEFUN([AM_SANITY_CHECK],
Line 816  AC_DEFUN([AM_SANITY_CHECK],
 # Just in case  # Just in case
 sleep 1  sleep 1
 echo timestamp > conftest.file  echo timestamp > conftest.file
   # Reject unsafe characters in $srcdir or the absolute working directory
   # name.  Accept space and tab only in the latter.
   am_lf='
   '
   case `pwd` in
     *[[\\\"\#\$\&\'\`$am_lf]]*)
       AC_MSG_ERROR([unsafe absolute working directory name]);;
   esac
   case $srcdir in
     *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
       AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
   esac
   
 # Do `set' in a subshell so we don't clobber the current shell's  # Do `set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a  # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks  # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing  # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).  # directory).
 if (  if (
    set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
    if test "$[*]" = "X"; then     if test "$[*]" = "X"; then
       # -L didn't work.        # -L didn't work.
       set X `ls -t $srcdir/configure conftest.file`        set X `ls -t "$srcdir/configure" conftest.file`
    fi     fi
    rm -f conftest.file     rm -f conftest.file
    if test "$[*]" != "X $srcdir/configure conftest.file" \     if test "$[*]" != "X $srcdir/configure conftest.file" \
Line 753  Check your system clock])
Line 863  Check your system clock])
 fi  fi
 AC_MSG_RESULT(yes)])  AC_MSG_RESULT(yes)])
   
 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.  # Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
   # serial 1
   
 # AM_PROG_INSTALL_STRIP  # AM_PROG_INSTALL_STRIP
 # ---------------------  # ---------------------
 # One issue with vendor `install' (even GNU) is that you can't  # One issue with vendor `install' (even GNU) is that you can't
Line 781  fi
Line 893  fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"  INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])  AC_SUBST([INSTALL_STRIP_PROGRAM])])
   
 # Copyright (C) 2006  Free Software Foundation, Inc.  # Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.  # with or without modifications, as long as this notice is preserved.
   
   # serial 3
   
 # _AM_SUBST_NOTMAKE(VARIABLE)  # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------  # ---------------------------
 # Prevent Automake from outputing VARIABLE = @VARIABLE@ in Makefile.in.  # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
 # This macro is traced by Automake.  # This macro is traced by Automake.
 AC_DEFUN([_AM_SUBST_NOTMAKE])  AC_DEFUN([_AM_SUBST_NOTMAKE])
   
   # AM_SUBST_NOTMAKE(VARIABLE)
   # --------------------------
   # Public sister of _AM_SUBST_NOTMAKE.
   AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
   
 # Check how to create a tarball.                            -*- Autoconf -*-  # Check how to create a tarball.                            -*- Autoconf -*-
   
 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.  # Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
Line 817  AC_DEFUN([_AM_SUBST_NOTMAKE])
Line 936  AC_DEFUN([_AM_SUBST_NOTMAKE])
 # a tarball read from stdin.  # a tarball read from stdin.
 #     $(am__untar) < result.tar  #     $(am__untar) < result.tar
 AC_DEFUN([_AM_PROG_TAR],  AC_DEFUN([_AM_PROG_TAR],
 [# Always define AMTAR for backward compatibility.  [# Always define AMTAR for backward compatibility.  Yes, it's still used
 AM_MISSING_PROG([AMTAR], [tar])  # in the wild :-(  We should find a proper way to deprecate it ...
   AC_SUBST([AMTAR], ['$${TAR-tar}'])
 m4_if([$1], [v7],  m4_if([$1], [v7],
      [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],       [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
      [m4_case([$1], [ustar],, [pax],,       [m4_case([$1], [ustar],, [pax],,
               [m4_fatal([Unknown tar format])])                [m4_fatal([Unknown tar format])])
 AC_MSG_CHECKING([how to create a $1 tar archive])  AC_MSG_CHECKING([how to create a $1 tar archive])

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Removed from v.1.5  
changed lines
  Added in v.1.8

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