File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / quagga / aclocal.m4
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Oct 9 09:22:28 2012 UTC (11 years, 8 months ago) by misho
Branches: quagga, MAIN
CVS tags: v0_99_21, HEAD
quagga

    1: # generated automatically by aclocal 1.11.5 -*- Autoconf -*-
    2: 
    3: # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
    4: # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
    5: # Inc.
    6: # This file is free software; the Free Software Foundation
    7: # gives unlimited permission to copy and/or distribute it,
    8: # with or without modifications, as long as this notice is preserved.
    9: 
   10: # This program is distributed in the hope that it will be useful,
   11: # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
   12: # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   13: # PARTICULAR PURPOSE.
   14: 
   15: m4_ifndef([AC_AUTOCONF_VERSION],
   16:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
   17: m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
   18: [m4_warning([this file was generated for autoconf 2.69.
   19: You have another version of autoconf.  It may work, but is not guaranteed to.
   20: If you have problems, you may need to regenerate the build system entirely.
   21: To do so, use the procedure documented by the package, typically `autoreconf'.])])
   22: 
   23: # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008, 2011 Free Software
   24: # Foundation, Inc.
   25: #
   26: # This file is free software; the Free Software Foundation
   27: # gives unlimited permission to copy and/or distribute it,
   28: # with or without modifications, as long as this notice is preserved.
   29: 
   30: # serial 1
   31: 
   32: # AM_AUTOMAKE_VERSION(VERSION)
   33: # ----------------------------
   34: # Automake X.Y traces this macro to ensure aclocal.m4 has been
   35: # generated from the m4 files accompanying Automake X.Y.
   36: # (This private macro should not be called outside this file.)
   37: AC_DEFUN([AM_AUTOMAKE_VERSION],
   38: [am__api_version='1.11'
   39: dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
   40: dnl require some minimum version.  Point them to the right macro.
   41: m4_if([$1], [1.11.5], [],
   42:       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
   43: ])
   44: 
   45: # _AM_AUTOCONF_VERSION(VERSION)
   46: # -----------------------------
   47: # aclocal traces this macro to find the Autoconf version.
   48: # This is a private macro too.  Using m4_define simplifies
   49: # the logic in aclocal, which can simply ignore this definition.
   50: m4_define([_AM_AUTOCONF_VERSION], [])
   51: 
   52: # AM_SET_CURRENT_AUTOMAKE_VERSION
   53: # -------------------------------
   54: # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
   55: # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
   56: AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
   57: [AM_AUTOMAKE_VERSION([1.11.5])dnl
   58: m4_ifndef([AC_AUTOCONF_VERSION],
   59:   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
   60: _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
   61: 
   62: # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
   63: 
   64: # Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
   65: #
   66: # This file is free software; the Free Software Foundation
   67: # gives unlimited permission to copy and/or distribute it,
   68: # with or without modifications, as long as this notice is preserved.
   69: 
   70: # serial 1
   71: 
   72: # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
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   75: #
   76: # Of course, Automake must honor this variable whenever it calls a
   77: # tool from the auxiliary directory.  The problem is that $srcdir (and
   78: # therefore $ac_aux_dir as well) can be either absolute or relative,
   79: # depending on how configure is run.  This is pretty annoying, since
   80: # it makes $ac_aux_dir quite unusable in subdirectories: in the top
   81: # source directory, any form will work fine, but in subdirectories a
   82: # relative path needs to be adjusted first.
   83: #
   84: # $ac_aux_dir/missing
   85: #    fails when called from a subdirectory if $ac_aux_dir is relative
   86: # $top_srcdir/$ac_aux_dir/missing
   87: #    fails if $ac_aux_dir is absolute,
   88: #    fails when called from a subdirectory in a VPATH build with
   89: #          a relative $ac_aux_dir
   90: #
   91: # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
   92: # are both prefixed by $srcdir.  In an in-source build this is usually
   93: # harmless because $srcdir is `.', but things will broke when you
   94: # start a VPATH build or use an absolute $srcdir.
   95: #
   96: # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
   97: # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
   98: #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
   99: # and then we would define $MISSING as
  100: #   MISSING="\${SHELL} $am_aux_dir/missing"
  101: # This will work as long as MISSING is not called from configure, because
  102: # unfortunately $(top_srcdir) has no meaning in configure.
  103: # However there are other variables, like CC, which are often used in
  104: # configure, and could therefore not use this "fixed" $ac_aux_dir.
  105: #
  106: # Another solution, used here, is to always expand $ac_aux_dir to an
  107: # absolute PATH.  The drawback is that using absolute paths prevent a
  108: # configured tree to be moved without reconfiguration.
  109: 
  110: AC_DEFUN([AM_AUX_DIR_EXPAND],
  111: [dnl Rely on autoconf to set up CDPATH properly.
  112: AC_PREREQ([2.50])dnl
  113: # expand $ac_aux_dir to an absolute path
  114: am_aux_dir=`cd $ac_aux_dir && pwd`
  115: ])
  116: 
  117: # AM_CONDITIONAL                                            -*- Autoconf -*-
  118: 
  119: # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
  120: # Free Software Foundation, Inc.
  121: #
  122: # This file is free software; the Free Software Foundation
  123: # gives unlimited permission to copy and/or distribute it,
  124: # with or without modifications, as long as this notice is preserved.
  125: 
  126: # serial 9
  127: 
  128: # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  129: # -------------------------------------
  130: # Define a conditional.
  131: AC_DEFUN([AM_CONDITIONAL],
  132: [AC_PREREQ(2.52)dnl
  133:  ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
  134: 	[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
  135: AC_SUBST([$1_TRUE])dnl
  136: AC_SUBST([$1_FALSE])dnl
  137: _AM_SUBST_NOTMAKE([$1_TRUE])dnl
  138: _AM_SUBST_NOTMAKE([$1_FALSE])dnl
  139: m4_define([_AM_COND_VALUE_$1], [$2])dnl
  140: if $2; then
  141:   $1_TRUE=
  142:   $1_FALSE='#'
  143: else
  144:   $1_TRUE='#'
  145:   $1_FALSE=
  146: fi
  147: AC_CONFIG_COMMANDS_PRE(
  148: [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  149:   AC_MSG_ERROR([[conditional "$1" was never defined.
  150: Usually this means the macro was only invoked conditionally.]])
  151: fi])])
  152: 
  153: # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009,
  154: # 2010, 2011 Free Software Foundation, Inc.
  155: #
  156: # This file is free software; the Free Software Foundation
  157: # gives unlimited permission to copy and/or distribute it,
  158: # with or without modifications, as long as this notice is preserved.
  159: 
  160: # serial 12
  161: 
  162: # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
  163: # written in clear, in which case automake, when reading aclocal.m4,
  164: # will think it sees a *use*, and therefore will trigger all it's
  165: # C support machinery.  Also note that it means that autoscan, seeing
  166: # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
  167: 
  168: 
  169: # _AM_DEPENDENCIES(NAME)
  170: # ----------------------
  171: # See how the compiler implements dependency checking.
  172: # NAME is "CC", "CXX", "GCJ", or "OBJC".
  173: # We try a few techniques and use that to set a single cache variable.
  174: #
  175: # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
  176: # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
  177: # dependency, and given that the user is not expected to run this macro,
  178: # just rely on AC_PROG_CC.
  179: AC_DEFUN([_AM_DEPENDENCIES],
  180: [AC_REQUIRE([AM_SET_DEPDIR])dnl
  181: AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
  182: AC_REQUIRE([AM_MAKE_INCLUDE])dnl
  183: AC_REQUIRE([AM_DEP_TRACK])dnl
  184: 
  185: ifelse([$1], CC,   [depcc="$CC"   am_compiler_list=],
  186:        [$1], CXX,  [depcc="$CXX"  am_compiler_list=],
  187:        [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
  188:        [$1], UPC,  [depcc="$UPC"  am_compiler_list=],
  189:        [$1], GCJ,  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
  190:                    [depcc="$$1"   am_compiler_list=])
  191: 
  192: AC_CACHE_CHECK([dependency style of $depcc],
  193:                [am_cv_$1_dependencies_compiler_type],
  194: [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  195:   # We make a subdir and do the tests there.  Otherwise we can end up
  196:   # making bogus files that we don't know about and never remove.  For
  197:   # instance it was reported that on HP-UX the gcc test will end up
  198:   # making a dummy file named `D' -- because `-MD' means `put the output
  199:   # in D'.
  200:   rm -rf conftest.dir
  201:   mkdir conftest.dir
  202:   # Copy depcomp to subdir because otherwise we won't find it if we're
  203:   # using a relative directory.
  204:   cp "$am_depcomp" conftest.dir
  205:   cd conftest.dir
  206:   # We will build objects and dependencies in a subdirectory because
  207:   # it helps to detect inapplicable dependency modes.  For instance
  208:   # both Tru64's cc and ICC support -MD to output dependencies as a
  209:   # side effect of compilation, but ICC will put the dependencies in
  210:   # the current directory while Tru64 will put them in the object
  211:   # directory.
  212:   mkdir sub
  213: 
  214:   am_cv_$1_dependencies_compiler_type=none
  215:   if test "$am_compiler_list" = ""; then
  216:      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
  217:   fi
  218:   am__universal=false
  219:   m4_case([$1], [CC],
  220:     [case " $depcc " in #(
  221:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
  222:      esac],
  223:     [CXX],
  224:     [case " $depcc " in #(
  225:      *\ -arch\ *\ -arch\ *) am__universal=true ;;
  226:      esac])
  227: 
  228:   for depmode in $am_compiler_list; do
  229:     # Setup a source with many dependencies, because some compilers
  230:     # like to wrap large dependency lists on column 80 (with \), and
  231:     # we should not choose a depcomp mode which is confused by this.
  232:     #
  233:     # We need to recreate these files for each test, as the compiler may
  234:     # overwrite some of them when testing with obscure command lines.
  235:     # This happens at least with the AIX C compiler.
  236:     : > sub/conftest.c
  237:     for i in 1 2 3 4 5 6; do
  238:       echo '#include "conftst'$i'.h"' >> sub/conftest.c
  239:       # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
  240:       # Solaris 8's {/usr,}/bin/sh.
  241:       touch sub/conftst$i.h
  242:     done
  243:     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  244: 
  245:     # We check with `-c' and `-o' for the sake of the "dashmstdout"
  246:     # mode.  It turns out that the SunPro C++ compiler does not properly
  247:     # handle `-M -o', and we need to detect this.  Also, some Intel
  248:     # versions had trouble with output in subdirs
  249:     am__obj=sub/conftest.${OBJEXT-o}
  250:     am__minus_obj="-o $am__obj"
  251:     case $depmode in
  252:     gcc)
  253:       # This depmode causes a compiler race in universal mode.
  254:       test "$am__universal" = false || continue
  255:       ;;
  256:     nosideeffect)
  257:       # after this tag, mechanisms are not by side-effect, so they'll
  258:       # only be used when explicitly requested
  259:       if test "x$enable_dependency_tracking" = xyes; then
  260: 	continue
  261:       else
  262: 	break
  263:       fi
  264:       ;;
  265:     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  266:       # This compiler won't grok `-c -o', but also, the minuso test has
  267:       # not run yet.  These depmodes are late enough in the game, and
  268:       # so weak that their functioning should not be impacted.
  269:       am__obj=conftest.${OBJEXT-o}
  270:       am__minus_obj=
  271:       ;;
  272:     none) break ;;
  273:     esac
  274:     if depmode=$depmode \
  275:        source=sub/conftest.c object=$am__obj \
  276:        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  277:        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  278:          >/dev/null 2>conftest.err &&
  279:        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  280:        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  281:        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  282:        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  283:       # icc doesn't choke on unknown options, it will just issue warnings
  284:       # or remarks (even with -Werror).  So we grep stderr for any message
  285:       # that says an option was ignored or not supported.
  286:       # When given -MP, icc 7.0 and 7.1 complain thusly:
  287:       #   icc: Command line warning: ignoring option '-M'; no argument required
  288:       # The diagnosis changed in icc 8.0:
  289:       #   icc: Command line remark: option '-MP' not supported
  290:       if (grep 'ignoring option' conftest.err ||
  291:           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  292:         am_cv_$1_dependencies_compiler_type=$depmode
  293:         break
  294:       fi
  295:     fi
  296:   done
  297: 
  298:   cd ..
  299:   rm -rf conftest.dir
  300: else
  301:   am_cv_$1_dependencies_compiler_type=none
  302: fi
  303: ])
  304: AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
  305: AM_CONDITIONAL([am__fastdep$1], [
  306:   test "x$enable_dependency_tracking" != xno \
  307:   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
  308: ])
  309: 
  310: 
  311: # AM_SET_DEPDIR
  312: # -------------
  313: # Choose a directory name for dependency files.
  314: # This macro is AC_REQUIREd in _AM_DEPENDENCIES
  315: AC_DEFUN([AM_SET_DEPDIR],
  316: [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  317: AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
  318: ])
  319: 
  320: 
  321: # AM_DEP_TRACK
  322: # ------------
  323: AC_DEFUN([AM_DEP_TRACK],
  324: [AC_ARG_ENABLE(dependency-tracking,
  325: [  --disable-dependency-tracking  speeds up one-time build
  326:   --enable-dependency-tracking   do not reject slow dependency extractors])
  327: if test "x$enable_dependency_tracking" != xno; then
  328:   am_depcomp="$ac_aux_dir/depcomp"
  329:   AMDEPBACKSLASH='\'
  330:   am__nodep='_no'
  331: fi
  332: AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
  333: AC_SUBST([AMDEPBACKSLASH])dnl
  334: _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  335: AC_SUBST([am__nodep])dnl
  336: _AM_SUBST_NOTMAKE([am__nodep])dnl
  337: ])
  338: 
  339: # Generate code to set up dependency tracking.              -*- Autoconf -*-
  340: 
  341: # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
  342: # 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 5
  349: 
  350: # _AM_OUTPUT_DEPENDENCY_COMMANDS
  351: # ------------------------------
  352: AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  353: [{
  354:   # Autoconf 2.62 quotes --file arguments for eval, but not when files
  355:   # are listed without --file.  Let's play safe and only enable the eval
  356:   # if we detect the quoting.
  357:   case $CONFIG_FILES in
  358:   *\'*) eval set x "$CONFIG_FILES" ;;
  359:   *)   set x $CONFIG_FILES ;;
  360:   esac
  361:   shift
  362:   for mf
  363:   do
  364:     # Strip MF so we end up with the name of the file.
  365:     mf=`echo "$mf" | sed -e 's/:.*$//'`
  366:     # Check whether this is an Automake generated Makefile or not.
  367:     # We used to match only the files named `Makefile.in', but
  368:     # some people rename them; so instead we look at the file content.
  369:     # Grep'ing the first line is not enough: some people post-process
  370:     # each Makefile.in and add a new line on top of each file to say so.
  371:     # Grep'ing the whole file is not good either: AIX grep has a line
  372:     # limit of 2048, but all sed's we know have understand at least 4000.
  373:     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
  374:       dirpart=`AS_DIRNAME("$mf")`
  375:     else
  376:       continue
  377:     fi
  378:     # Extract the definition of DEPDIR, am__include, and am__quote
  379:     # from the Makefile without running `make'.
  380:     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
  381:     test -z "$DEPDIR" && continue
  382:     am__include=`sed -n 's/^am__include = //p' < "$mf"`
  383:     test -z "am__include" && continue
  384:     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
  385:     # When using ansi2knr, U may be empty or an underscore; expand it
  386:     U=`sed -n 's/^U = //p' < "$mf"`
  387:     # Find all dependency output files, they are included files with
  388:     # $(DEPDIR) in their names.  We invoke sed twice because it is the
  389:     # simplest approach to changing $(DEPDIR) to its actual value in the
  390:     # expansion.
  391:     for file in `sed -n "
  392:       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
  393: 	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
  394:       # Make sure the directory exists.
  395:       test -f "$dirpart/$file" && continue
  396:       fdir=`AS_DIRNAME(["$file"])`
  397:       AS_MKDIR_P([$dirpart/$fdir])
  398:       # echo "creating $dirpart/$file"
  399:       echo '# dummy' > "$dirpart/$file"
  400:     done
  401:   done
  402: }
  403: ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  404: 
  405: 
  406: # AM_OUTPUT_DEPENDENCY_COMMANDS
  407: # -----------------------------
  408: # This macro should only be invoked once -- use via AC_REQUIRE.
  409: #
  410: # This code is only required when automatic dependency tracking
  411: # is enabled.  FIXME.  This creates each `.P' file that we will
  412: # need in order to bootstrap the dependency handling code.
  413: AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  414: [AC_CONFIG_COMMANDS([depfiles],
  415:      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  416:      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
  417: ])
  418: 
  419: # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
  420: # Free Software Foundation, Inc.
  421: #
  422: # This file is free software; the Free Software Foundation
  423: # gives unlimited permission to copy and/or distribute it,
  424: # with or without modifications, as long as this notice is preserved.
  425: 
  426: # serial 8
  427: 
  428: # AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
  429: AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
  430: 
  431: # Do all the work for Automake.                             -*- Autoconf -*-
  432: 
  433: # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
  434: # 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
  435: #
  436: # This file is free software; the Free Software Foundation
  437: # gives unlimited permission to copy and/or distribute it,
  438: # with or without modifications, as long as this notice is preserved.
  439: 
  440: # serial 16
  441: 
  442: # This macro actually does too much.  Some checks are only needed if
  443: # your package does certain things.  But this isn't really a big deal.
  444: 
  445: # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  446: # AM_INIT_AUTOMAKE([OPTIONS])
  447: # -----------------------------------------------
  448: # The call with PACKAGE and VERSION arguments is the old style
  449: # call (pre autoconf-2.50), which is being phased out.  PACKAGE
  450: # and VERSION should now be passed to AC_INIT and removed from
  451: # the call to AM_INIT_AUTOMAKE.
  452: # We support both call styles for the transition.  After
  453: # the next Automake release, Autoconf can make the AC_INIT
  454: # arguments mandatory, and then we can depend on a new Autoconf
  455: # release and drop the old call support.
  456: AC_DEFUN([AM_INIT_AUTOMAKE],
  457: [AC_PREREQ([2.62])dnl
  458: dnl Autoconf wants to disallow AM_ names.  We explicitly allow
  459: dnl the ones we care about.
  460: m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  461: AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  462: AC_REQUIRE([AC_PROG_INSTALL])dnl
  463: if test "`cd $srcdir && pwd`" != "`pwd`"; then
  464:   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  465:   # is not polluted with repeated "-I."
  466:   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  467:   # test to see if srcdir already configured
  468:   if test -f $srcdir/config.status; then
  469:     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  470:   fi
  471: fi
  472: 
  473: # test whether we have cygpath
  474: if test -z "$CYGPATH_W"; then
  475:   if (cygpath --version) >/dev/null 2>/dev/null; then
  476:     CYGPATH_W='cygpath -w'
  477:   else
  478:     CYGPATH_W=echo
  479:   fi
  480: fi
  481: AC_SUBST([CYGPATH_W])
  482: 
  483: # Define the identity of the package.
  484: dnl Distinguish between old-style and new-style calls.
  485: m4_ifval([$2],
  486: [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  487:  AC_SUBST([PACKAGE], [$1])dnl
  488:  AC_SUBST([VERSION], [$2])],
  489: [_AM_SET_OPTIONS([$1])dnl
  490: dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  491: m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
  492:   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  493:  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  494:  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  495: 
  496: _AM_IF_OPTION([no-define],,
  497: [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
  498:  AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
  499: 
  500: # Some tools Automake needs.
  501: AC_REQUIRE([AM_SANITY_CHECK])dnl
  502: AC_REQUIRE([AC_ARG_PROGRAM])dnl
  503: AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
  504: AM_MISSING_PROG(AUTOCONF, autoconf)
  505: AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
  506: AM_MISSING_PROG(AUTOHEADER, autoheader)
  507: AM_MISSING_PROG(MAKEINFO, makeinfo)
  508: AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  509: AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  510: AC_REQUIRE([AM_PROG_MKDIR_P])dnl
  511: # We need awk for the "check" target.  The system "awk" is bad on
  512: # some platforms.
  513: AC_REQUIRE([AC_PROG_AWK])dnl
  514: AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  515: AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  516: _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  517: 	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  518: 			     [_AM_PROG_TAR([v7])])])
  519: _AM_IF_OPTION([no-dependencies],,
  520: [AC_PROVIDE_IFELSE([AC_PROG_CC],
  521: 		  [_AM_DEPENDENCIES(CC)],
  522: 		  [define([AC_PROG_CC],
  523: 			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
  524: AC_PROVIDE_IFELSE([AC_PROG_CXX],
  525: 		  [_AM_DEPENDENCIES(CXX)],
  526: 		  [define([AC_PROG_CXX],
  527: 			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
  528: AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  529: 		  [_AM_DEPENDENCIES(OBJC)],
  530: 		  [define([AC_PROG_OBJC],
  531: 			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
  532: ])
  533: _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
  534: dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
  535: dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
  536: dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
  537: AC_CONFIG_COMMANDS_PRE(dnl
  538: [m4_provide_if([_AM_COMPILER_EXEEXT],
  539:   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  540: ])
  541: 
  542: dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
  543: dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  544: dnl mangled by Autoconf and run in a shell conditional statement.
  545: m4_define([_AC_COMPILER_EXEEXT],
  546: m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
  547: 
  548: 
  549: # When config.status generates a header, we must update the stamp-h file.
  550: # This file resides in the same directory as the config header
  551: # that is generated.  The stamp files are numbered to have different names.
  552: 
  553: # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
  554: # loop where config.status creates the headers, so we can generate
  555: # our stamp files there.
  556: AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
  557: [# Compute $1's index in $config_headers.
  558: _am_arg=$1
  559: _am_stamp_count=1
  560: for _am_header in $config_headers :; do
  561:   case $_am_header in
  562:     $_am_arg | $_am_arg:* )
  563:       break ;;
  564:     * )
  565:       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  566:   esac
  567: done
  568: echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  569: 
  570: # Copyright (C) 2001, 2003, 2005, 2008, 2011 Free Software Foundation,
  571: # Inc.
  572: #
  573: # This file is free software; the Free Software Foundation
  574: # gives unlimited permission to copy and/or distribute it,
  575: # with or without modifications, as long as this notice is preserved.
  576: 
  577: # serial 1
  578: 
  579: # AM_PROG_INSTALL_SH
  580: # ------------------
  581: # Define $install_sh.
  582: AC_DEFUN([AM_PROG_INSTALL_SH],
  583: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  584: if test x"${install_sh}" != xset; then
  585:   case $am_aux_dir in
  586:   *\ * | *\	*)
  587:     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  588:   *)
  589:     install_sh="\${SHELL} $am_aux_dir/install-sh"
  590:   esac
  591: fi
  592: AC_SUBST(install_sh)])
  593: 
  594: # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
  595: #
  596: # This file is free software; the Free Software Foundation
  597: # gives unlimited permission to copy and/or distribute it,
  598: # with or without modifications, as long as this notice is preserved.
  599: 
  600: # serial 2
  601: 
  602: # Check whether the underlying file-system supports filenames
  603: # with a leading dot.  For instance MS-DOS doesn't.
  604: AC_DEFUN([AM_SET_LEADING_DOT],
  605: [rm -rf .tst 2>/dev/null
  606: mkdir .tst 2>/dev/null
  607: if test -d .tst; then
  608:   am__leading_dot=.
  609: else
  610:   am__leading_dot=_
  611: fi
  612: rmdir .tst 2>/dev/null
  613: AC_SUBST([am__leading_dot])])
  614: 
  615: # Check to see how 'make' treats includes.	            -*- Autoconf -*-
  616: 
  617: # Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
  618: #
  619: # This file is free software; the Free Software Foundation
  620: # gives unlimited permission to copy and/or distribute it,
  621: # with or without modifications, as long as this notice is preserved.
  622: 
  623: # serial 4
  624: 
  625: # AM_MAKE_INCLUDE()
  626: # -----------------
  627: # Check to see how make treats includes.
  628: AC_DEFUN([AM_MAKE_INCLUDE],
  629: [am_make=${MAKE-make}
  630: cat > confinc << 'END'
  631: am__doit:
  632: 	@echo this is the am__doit target
  633: .PHONY: am__doit
  634: END
  635: # If we don't find an include directive, just comment out the code.
  636: AC_MSG_CHECKING([for style of include used by $am_make])
  637: am__include="#"
  638: am__quote=
  639: _am_result=none
  640: # First try GNU make style include.
  641: echo "include confinc" > confmf
  642: # Ignore all kinds of additional output from `make'.
  643: case `$am_make -s -f confmf 2> /dev/null` in #(
  644: *the\ am__doit\ target*)
  645:   am__include=include
  646:   am__quote=
  647:   _am_result=GNU
  648:   ;;
  649: esac
  650: # Now try BSD make style include.
  651: if test "$am__include" = "#"; then
  652:    echo '.include "confinc"' > confmf
  653:    case `$am_make -s -f confmf 2> /dev/null` in #(
  654:    *the\ am__doit\ target*)
  655:      am__include=.include
  656:      am__quote="\""
  657:      _am_result=BSD
  658:      ;;
  659:    esac
  660: fi
  661: AC_SUBST([am__include])
  662: AC_SUBST([am__quote])
  663: AC_MSG_RESULT([$_am_result])
  664: rm -f confinc confmf
  665: ])
  666: 
  667: # Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
  668: # 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, 1999, 2000, 2001, 2003, 2004, 2005, 2008
  705: # Free Software Foundation, Inc.
  706: #
  707: # This file is free software; the Free Software Foundation
  708: # gives unlimited permission to copy and/or distribute it,
  709: # with or without modifications, as long as this notice is preserved.
  710: 
  711: # serial 6
  712: 
  713: # AM_MISSING_PROG(NAME, PROGRAM)
  714: # ------------------------------
  715: AC_DEFUN([AM_MISSING_PROG],
  716: [AC_REQUIRE([AM_MISSING_HAS_RUN])
  717: $1=${$1-"${am_missing_run}$2"}
  718: AC_SUBST($1)])
  719: 
  720: 
  721: # AM_MISSING_HAS_RUN
  722: # ------------------
  723: # Define MISSING if not defined so far and test if it supports --run.
  724: # If it does, set am_missing_run to use it, otherwise, to nothing.
  725: AC_DEFUN([AM_MISSING_HAS_RUN],
  726: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  727: AC_REQUIRE_AUX_FILE([missing])dnl
  728: if test x"${MISSING+set}" != xset; then
  729:   case $am_aux_dir in
  730:   *\ * | *\	*)
  731:     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  732:   *)
  733:     MISSING="\${SHELL} $am_aux_dir/missing" ;;
  734:   esac
  735: fi
  736: # Use eval to expand $SHELL
  737: if eval "$MISSING --run true"; then
  738:   am_missing_run="$MISSING --run "
  739: else
  740:   am_missing_run=
  741:   AC_MSG_WARN([`missing' script is too old or missing])
  742: fi
  743: ])
  744: 
  745: # Copyright (C) 2003, 2004, 2005, 2006, 2011 Free Software Foundation,
  746: # 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 1
  753: 
  754: # AM_PROG_MKDIR_P
  755: # ---------------
  756: # Check for `mkdir -p'.
  757: AC_DEFUN([AM_PROG_MKDIR_P],
  758: [AC_PREREQ([2.60])dnl
  759: AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  760: dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
  761: dnl while keeping a definition of mkdir_p for backward compatibility.
  762: dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
  763: dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
  764: dnl Makefile.ins that do not define MKDIR_P, so we do our own
  765: dnl adjustment using top_builddir (which is defined more often than
  766: dnl MKDIR_P).
  767: AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
  768: case $mkdir_p in
  769:   [[\\/$]]* | ?:[[\\/]]*) ;;
  770:   */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
  771: esac
  772: ])
  773: 
  774: # Helper functions for option handling.                     -*- Autoconf -*-
  775: 
  776: # Copyright (C) 2001, 2002, 2003, 2005, 2008, 2010 Free Software
  777: # 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: # serial 5
  784: 
  785: # _AM_MANGLE_OPTION(NAME)
  786: # -----------------------
  787: AC_DEFUN([_AM_MANGLE_OPTION],
  788: [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  789: 
  790: # _AM_SET_OPTION(NAME)
  791: # --------------------
  792: # Set option NAME.  Presently that only means defining a flag for this option.
  793: AC_DEFUN([_AM_SET_OPTION],
  794: [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
  795: 
  796: # _AM_SET_OPTIONS(OPTIONS)
  797: # ------------------------
  798: # OPTIONS is a space-separated list of Automake options.
  799: AC_DEFUN([_AM_SET_OPTIONS],
  800: [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  801: 
  802: # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  803: # -------------------------------------------
  804: # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  805: AC_DEFUN([_AM_IF_OPTION],
  806: [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  807: 
  808: # Check to make sure that the build environment is sane.    -*- Autoconf -*-
  809: 
  810: # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
  811: # Free Software Foundation, Inc.
  812: #
  813: # This file is free software; the Free Software Foundation
  814: # gives unlimited permission to copy and/or distribute it,
  815: # with or without modifications, as long as this notice is preserved.
  816: 
  817: # serial 5
  818: 
  819: # AM_SANITY_CHECK
  820: # ---------------
  821: AC_DEFUN([AM_SANITY_CHECK],
  822: [AC_MSG_CHECKING([whether build environment is sane])
  823: # Just in case
  824: sleep 1
  825: echo timestamp > conftest.file
  826: # Reject unsafe characters in $srcdir or the absolute working directory
  827: # name.  Accept space and tab only in the latter.
  828: am_lf='
  829: '
  830: case `pwd` in
  831:   *[[\\\"\#\$\&\'\`$am_lf]]*)
  832:     AC_MSG_ERROR([unsafe absolute working directory name]);;
  833: esac
  834: case $srcdir in
  835:   *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
  836:     AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
  837: esac
  838: 
  839: # Do `set' in a subshell so we don't clobber the current shell's
  840: # arguments.  Must try -L first in case configure is actually a
  841: # symlink; some systems play weird games with the mod time of symlinks
  842: # (eg FreeBSD returns the mod time of the symlink's containing
  843: # directory).
  844: if (
  845:    set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  846:    if test "$[*]" = "X"; then
  847:       # -L didn't work.
  848:       set X `ls -t "$srcdir/configure" conftest.file`
  849:    fi
  850:    rm -f conftest.file
  851:    if test "$[*]" != "X $srcdir/configure conftest.file" \
  852:       && test "$[*]" != "X conftest.file $srcdir/configure"; then
  853: 
  854:       # If neither matched, then we have a broken ls.  This can happen
  855:       # if, for instance, CONFIG_SHELL is bash and it inherits a
  856:       # broken ls alias from the environment.  This has actually
  857:       # happened.  Such a system could not be considered "sane".
  858:       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  859: alias in your environment])
  860:    fi
  861: 
  862:    test "$[2]" = conftest.file
  863:    )
  864: then
  865:    # Ok.
  866:    :
  867: else
  868:    AC_MSG_ERROR([newly created file is older than distributed files!
  869: Check your system clock])
  870: fi
  871: AC_MSG_RESULT(yes)])
  872: 
  873: # Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
  874: #
  875: # This file is free software; the Free Software Foundation
  876: # gives unlimited permission to copy and/or distribute it,
  877: # with or without modifications, as long as this notice is preserved.
  878: 
  879: # serial 1
  880: 
  881: # AM_PROG_INSTALL_STRIP
  882: # ---------------------
  883: # One issue with vendor `install' (even GNU) is that you can't
  884: # specify the program used to strip binaries.  This is especially
  885: # annoying in cross-compiling environments, where the build's strip
  886: # is unlikely to handle the host's binaries.
  887: # Fortunately install-sh will honor a STRIPPROG variable, so we
  888: # always use install-sh in `make install-strip', and initialize
  889: # STRIPPROG with the value of the STRIP variable (set by the user).
  890: AC_DEFUN([AM_PROG_INSTALL_STRIP],
  891: [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  892: # Installed binaries are usually stripped using `strip' when the user
  893: # run `make install-strip'.  However `strip' might not be the right
  894: # tool to use in cross-compilation environments, therefore Automake
  895: # will honor the `STRIP' environment variable to overrule this program.
  896: dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
  897: if test "$cross_compiling" != no; then
  898:   AC_CHECK_TOOL([STRIP], [strip], :)
  899: fi
  900: INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  901: AC_SUBST([INSTALL_STRIP_PROGRAM])])
  902: 
  903: # Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
  904: #
  905: # This file is free software; the Free Software Foundation
  906: # gives unlimited permission to copy and/or distribute it,
  907: # with or without modifications, as long as this notice is preserved.
  908: 
  909: # serial 3
  910: 
  911: # _AM_SUBST_NOTMAKE(VARIABLE)
  912: # ---------------------------
  913: # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  914: # This macro is traced by Automake.
  915: AC_DEFUN([_AM_SUBST_NOTMAKE])
  916: 
  917: # AM_SUBST_NOTMAKE(VARIABLE)
  918: # --------------------------
  919: # Public sister of _AM_SUBST_NOTMAKE.
  920: AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  921: 
  922: # Check how to create a tarball.                            -*- Autoconf -*-
  923: 
  924: # Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
  925: #
  926: # This file is free software; the Free Software Foundation
  927: # gives unlimited permission to copy and/or distribute it,
  928: # with or without modifications, as long as this notice is preserved.
  929: 
  930: # serial 2
  931: 
  932: # _AM_PROG_TAR(FORMAT)
  933: # --------------------
  934: # Check how to create a tarball in format FORMAT.
  935: # FORMAT should be one of `v7', `ustar', or `pax'.
  936: #
  937: # Substitute a variable $(am__tar) that is a command
  938: # writing to stdout a FORMAT-tarball containing the directory
  939: # $tardir.
  940: #     tardir=directory && $(am__tar) > result.tar
  941: #
  942: # Substitute a variable $(am__untar) that extract such
  943: # a tarball read from stdin.
  944: #     $(am__untar) < result.tar
  945: AC_DEFUN([_AM_PROG_TAR],
  946: [# Always define AMTAR for backward compatibility.  Yes, it's still used
  947: # in the wild :-(  We should find a proper way to deprecate it ...
  948: AC_SUBST([AMTAR], ['$${TAR-tar}'])
  949: m4_if([$1], [v7],
  950:      [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
  951:      [m4_case([$1], [ustar],, [pax],,
  952:               [m4_fatal([Unknown tar format])])
  953: AC_MSG_CHECKING([how to create a $1 tar archive])
  954: # Loop over all known methods to create a tar archive until one works.
  955: _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  956: _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  957: # Do not fold the above two line into one, because Tru64 sh and
  958: # Solaris sh will not grok spaces in the rhs of `-'.
  959: for _am_tool in $_am_tools
  960: do
  961:   case $_am_tool in
  962:   gnutar)
  963:     for _am_tar in tar gnutar gtar;
  964:     do
  965:       AM_RUN_LOG([$_am_tar --version]) && break
  966:     done
  967:     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  968:     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  969:     am__untar="$_am_tar -xf -"
  970:     ;;
  971:   plaintar)
  972:     # Must skip GNU tar: if it does not support --format= it doesn't create
  973:     # ustar tarball either.
  974:     (tar --version) >/dev/null 2>&1 && continue
  975:     am__tar='tar chf - "$$tardir"'
  976:     am__tar_='tar chf - "$tardir"'
  977:     am__untar='tar xf -'
  978:     ;;
  979:   pax)
  980:     am__tar='pax -L -x $1 -w "$$tardir"'
  981:     am__tar_='pax -L -x $1 -w "$tardir"'
  982:     am__untar='pax -r'
  983:     ;;
  984:   cpio)
  985:     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  986:     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  987:     am__untar='cpio -i -H $1 -d'
  988:     ;;
  989:   none)
  990:     am__tar=false
  991:     am__tar_=false
  992:     am__untar=false
  993:     ;;
  994:   esac
  995: 
  996:   # If the value was cached, stop now.  We just wanted to have am__tar
  997:   # and am__untar set.
  998:   test -n "${am_cv_prog_tar_$1}" && break
  999: 
 1000:   # tar/untar a dummy directory, and stop if the command works
 1001:   rm -rf conftest.dir
 1002:   mkdir conftest.dir
 1003:   echo GrepMe > conftest.dir/file
 1004:   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
 1005:   rm -rf conftest.dir
 1006:   if test -s conftest.tar; then
 1007:     AM_RUN_LOG([$am__untar <conftest.tar])
 1008:     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
 1009:   fi
 1010: done
 1011: rm -rf conftest.dir
 1012: 
 1013: AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
 1014: AC_MSG_RESULT([$am_cv_prog_tar_$1])])
 1015: AC_SUBST([am__tar])
 1016: AC_SUBST([am__untar])
 1017: ]) # _AM_PROG_TAR
 1018: 
 1019: m4_include([m4/libtool.m4])
 1020: m4_include([m4/ltoptions.m4])
 1021: m4_include([m4/ltsugar.m4])
 1022: m4_include([m4/ltversion.m4])
 1023: m4_include([m4/lt~obsolete.m4])

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