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    1 # generated automatically by aclocal 1.14.1 -*- Autoconf -*-
    2 
    3 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
    4 
    5 # This file is free software; the Free Software Foundation
    6 # gives unlimited permission to copy and/or distribute it,
    7 # with or without modifications, as long as this notice is preserved.
    8 
    9 # This program is distributed in the hope that it will be useful,
   10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
   11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   12 # PARTICULAR PURPOSE.
   13 
   14 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
   15 m4_ifndef([AC_AUTOCONF_VERSION],
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   22 
   23 # Copyright (C) 2002-2013 Free Software Foundation, Inc.
   24 #
   25 # This file is free software; the Free Software Foundation
   26 # gives unlimited permission to copy and/or distribute it,
   27 # with or without modifications, as long as this notice is preserved.
   28 
   29 # AM_AUTOMAKE_VERSION(VERSION)
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   59 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
   60 
   61 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
   62 #
   63 # This file is free software; the Free Software Foundation
   64 # gives unlimited permission to copy and/or distribute it,
   65 # with or without modifications, as long as this notice is preserved.
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   99 # configure, and could therefore not use this "fixed" $ac_aux_dir.
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  105 AC_DEFUN([AM_AUX_DIR_EXPAND],
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  110 
  111 # AM_CONDITIONAL                                            -*- Autoconf -*-
  112 
  113 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
  114 #
  115 # This file is free software; the Free Software Foundation
  116 # gives unlimited permission to copy and/or distribute it,
  117 # with or without modifications, as long as this notice is preserved.
  118 
  119 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  120 # -------------------------------------
  121 # Define a conditional.
  122 AC_DEFUN([AM_CONDITIONAL],
  123 [AC_PREREQ([2.52])dnl
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  138 AC_CONFIG_COMMANDS_PRE(
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  140   AC_MSG_ERROR([[conditional "$1" was never defined.
  141 Usually this means the macro was only invoked conditionally.]])
  142 fi])])
  143 
  144 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  145 #
  146 # This file is free software; the Free Software Foundation
  147 # gives unlimited permission to copy and/or distribute it,
  148 # with or without modifications, as long as this notice is preserved.
  149 
  150 
  151 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
  152 # written in clear, in which case automake, when reading aclocal.m4,
  153 # will think it sees a *use*, and therefore will trigger all it's
  154 # C support machinery.  Also note that it means that autoscan, seeing
  155 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
  156 
  157 
  158 # _AM_DEPENDENCIES(NAME)
  159 # ----------------------
  160 # See how the compiler implements dependency checking.
  161 # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
  162 # We try a few techniques and use that to set a single cache variable.
  163 #
  164 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
  165 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
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  168 AC_DEFUN([_AM_DEPENDENCIES],
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  170 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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  182 AC_CACHE_CHECK([dependency style of $depcc],
  183                [am_cv_$1_dependencies_compiler_type],
  184 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
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  188   # making a dummy file named 'D' -- because '-MD' means "put the output
  189   # in D".
  190   rm -rf conftest.dir
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  192   # Copy depcomp to subdir because otherwise we won't find it if we're
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  194   cp "$am_depcomp" conftest.dir
  195   cd conftest.dir
  196   # We will build objects and dependencies in a subdirectory because
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  198   # both Tru64's cc and ICC support -MD to output dependencies as a
  199   # side effect of compilation, but ICC will put the dependencies in
  200   # the current directory while Tru64 will put them in the object
  201   # directory.
  202   mkdir sub
  203 
  204   am_cv_$1_dependencies_compiler_type=none
  205   if test "$am_compiler_list" = ""; then
  206      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
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  208   am__universal=false
  209   m4_case([$1], [CC],
  210     [case " $depcc " in #(
  211      *\ -arch\ *\ -arch\ *) am__universal=true ;;
  212      esac],
  213     [CXX],
  214     [case " $depcc " in #(
  215      *\ -arch\ *\ -arch\ *) am__universal=true ;;
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  217 
  218   for depmode in $am_compiler_list; do
  219     # Setup a source with many dependencies, because some compilers
  220     # like to wrap large dependency lists on column 80 (with \), and
  221     # we should not choose a depcomp mode which is confused by this.
  222     #
  223     # We need to recreate these files for each test, as the compiler may
  224     # overwrite some of them when testing with obscure command lines.
  225     # This happens at least with the AIX C compiler.
  226     : > sub/conftest.c
  227     for i in 1 2 3 4 5 6; do
  228       echo '#include "conftst'$i'.h"' >> sub/conftest.c
  229       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
  230       # Solaris 10 /bin/sh.
  231       echo '/* dummy */' > sub/conftst$i.h
  232     done
  233     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  234 
  235     # We check with '-c' and '-o' for the sake of the "dashmstdout"
  236     # mode.  It turns out that the SunPro C++ compiler does not properly
  237     # handle '-M -o', and we need to detect this.  Also, some Intel
  238     # versions had trouble with output in subdirs.
  239     am__obj=sub/conftest.${OBJEXT-o}
  240     am__minus_obj="-o $am__obj"
  241     case $depmode in
  242     gcc)
  243       # This depmode causes a compiler race in universal mode.
  244       test "$am__universal" = false || continue
  245       ;;
  246     nosideeffect)
  247       # After this tag, mechanisms are not by side-effect, so they'll
  248       # only be used when explicitly requested.
  249       if test "x$enable_dependency_tracking" = xyes; then
  250 	continue
  251       else
  252 	break
  253       fi
  254       ;;
  255     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  256       # This compiler won't grok '-c -o', but also, the minuso test has
  257       # not run yet.  These depmodes are late enough in the game, and
  258       # so weak that their functioning should not be impacted.
  259       am__obj=conftest.${OBJEXT-o}
  260       am__minus_obj=
  261       ;;
  262     none) break ;;
  263     esac
  264     if depmode=$depmode \
  265        source=sub/conftest.c object=$am__obj \
  266        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  267        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  268          >/dev/null 2>conftest.err &&
  269        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  270        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  271        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  272        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  273       # icc doesn't choke on unknown options, it will just issue warnings
  274       # or remarks (even with -Werror).  So we grep stderr for any message
  275       # that says an option was ignored or not supported.
  276       # When given -MP, icc 7.0 and 7.1 complain thusly:
  277       #   icc: Command line warning: ignoring option '-M'; no argument required
  278       # The diagnosis changed in icc 8.0:
  279       #   icc: Command line remark: option '-MP' not supported
  280       if (grep 'ignoring option' conftest.err ||
  281           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  282         am_cv_$1_dependencies_compiler_type=$depmode
  283         break
  284       fi
  285     fi
  286   done
  287 
  288   cd ..
  289   rm -rf conftest.dir
  290 else
  291   am_cv_$1_dependencies_compiler_type=none
  292 fi
  293 ])
  294 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
  295 AM_CONDITIONAL([am__fastdep$1], [
  296   test "x$enable_dependency_tracking" != xno \
  297   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
  298 ])
  299 
  300 
  301 # AM_SET_DEPDIR
  302 # -------------
  303 # Choose a directory name for dependency files.
  304 # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
  305 AC_DEFUN([AM_SET_DEPDIR],
  306 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  307 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
  308 ])
  309 
  310 
  311 # AM_DEP_TRACK
  312 # ------------
  313 AC_DEFUN([AM_DEP_TRACK],
  314 [AC_ARG_ENABLE([dependency-tracking], [dnl
  315 AS_HELP_STRING(
  316   [--enable-dependency-tracking],
  317   [do not reject slow dependency extractors])
  318 AS_HELP_STRING(
  319   [--disable-dependency-tracking],
  320   [speeds up one-time build])])
  321 if test "x$enable_dependency_tracking" != xno; then
  322   am_depcomp="$ac_aux_dir/depcomp"
  323   AMDEPBACKSLASH='\'
  324   am__nodep='_no'
  325 fi
  326 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
  327 AC_SUBST([AMDEPBACKSLASH])dnl
  328 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  329 AC_SUBST([am__nodep])dnl
  330 _AM_SUBST_NOTMAKE([am__nodep])dnl
  331 ])
  332 
  333 # Generate code to set up dependency tracking.              -*- Autoconf -*-
  334 
  335 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  336 #
  337 # This file is free software; the Free Software Foundation
  338 # gives unlimited permission to copy and/or distribute it,
  339 # with or without modifications, as long as this notice is preserved.
  340 
  341 
  342 # _AM_OUTPUT_DEPENDENCY_COMMANDS
  343 # ------------------------------
  344 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  345 [{
  346   # Older Autoconf quotes --file arguments for eval, but not when files
  347   # are listed without --file.  Let's play safe and only enable the eval
  348   # if we detect the quoting.
  349   case $CONFIG_FILES in
  350   *\'*) eval set x "$CONFIG_FILES" ;;
  351   *)   set x $CONFIG_FILES ;;
  352   esac
  353   shift
  354   for mf
  355   do
  356     # Strip MF so we end up with the name of the file.
  357     mf=`echo "$mf" | sed -e 's/:.*$//'`
  358     # Check whether this is an Automake generated Makefile or not.
  359     # We used to match only the files named 'Makefile.in', but
  360     # some people rename them; so instead we look at the file content.
  361     # Grep'ing the first line is not enough: some people post-process
  362     # each Makefile.in and add a new line on top of each file to say so.
  363     # Grep'ing the whole file is not good either: AIX grep has a line
  364     # limit of 2048, but all sed's we know have understand at least 4000.
  365     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
  366       dirpart=`AS_DIRNAME("$mf")`
  367     else
  368       continue
  369     fi
  370     # Extract the definition of DEPDIR, am__include, and am__quote
  371     # from the Makefile without running 'make'.
  372     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
  373     test -z "$DEPDIR" && continue
  374     am__include=`sed -n 's/^am__include = //p' < "$mf"`
  375     test -z "$am__include" && continue
  376     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
  377     # Find all dependency output files, they are included files with
  378     # $(DEPDIR) in their names.  We invoke sed twice because it is the
  379     # simplest approach to changing $(DEPDIR) to its actual value in the
  380     # expansion.
  381     for file in `sed -n "
  382       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
  383 	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
  384       # Make sure the directory exists.
  385       test -f "$dirpart/$file" && continue
  386       fdir=`AS_DIRNAME(["$file"])`
  387       AS_MKDIR_P([$dirpart/$fdir])
  388       # echo "creating $dirpart/$file"
  389       echo '# dummy' > "$dirpart/$file"
  390     done
  391   done
  392 }
  393 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  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
  401 # is enabled.  FIXME.  This creates each '.P' file that we will
  402 # need in order to bootstrap the dependency handling code.
  403 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  404 [AC_CONFIG_COMMANDS([depfiles],
  405      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  406      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
  407 ])
  408 
  409 
  410 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  411 #
  412 # This file is free software; the Free Software Foundation
  413 # gives unlimited permission to copy and/or distribute it,
  414 # with or without modifications, as long as this notice is preserved.
  415 
  416 AC_DEFUN([AM_WITH_DMALLOC],
  417 [AC_MSG_CHECKING([if malloc debugging is wanted])
  418 AC_ARG_WITH([dmalloc],
  419 [AS_HELP_STRING([--with-dmalloc],
  420                 [use dmalloc, as in http://www.dmalloc.com])],
  421 [if test "$withval" = yes; then
  422   AC_MSG_RESULT([yes])
  423   AC_DEFINE([WITH_DMALLOC], [1],
  424 	    [Define if using the dmalloc debugging malloc package])
  425   LIBS="$LIBS -ldmalloc"
  426   LDFLAGS="$LDFLAGS -g"
  427 else
  428   AC_MSG_RESULT([no])
  429 fi], [AC_MSG_RESULT([no])])
  430 ])
  431 
  432 # Do all the work for Automake.                             -*- Autoconf -*-
  433 
  434 # Copyright (C) 1996-2013 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 # This macro actually does too much.  Some checks are only needed if
  441 # your package does certain things.  But this isn't really a big deal.
  442 
  443 dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
  444 m4_define([AC_PROG_CC],
  445 m4_defn([AC_PROG_CC])
  446 [_AM_PROG_CC_C_O
  447 ])
  448 
  449 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  450 # AM_INIT_AUTOMAKE([OPTIONS])
  451 # -----------------------------------------------
  452 # The call with PACKAGE and VERSION arguments is the old style
  453 # call (pre autoconf-2.50), which is being phased out.  PACKAGE
  454 # and VERSION should now be passed to AC_INIT and removed from
  455 # the call to AM_INIT_AUTOMAKE.
  456 # We support both call styles for the transition.  After
  457 # the next Automake release, Autoconf can make the AC_INIT
  458 # arguments mandatory, and then we can depend on a new Autoconf
  459 # release and drop the old call support.
  460 AC_DEFUN([AM_INIT_AUTOMAKE],
  461 [AC_PREREQ([2.65])dnl
  462 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
  463 dnl the ones we care about.
  464 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  465 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  466 AC_REQUIRE([AC_PROG_INSTALL])dnl
  467 if test "`cd $srcdir && pwd`" != "`pwd`"; then
  468   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  469   # is not polluted with repeated "-I."
  470   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  471   # test to see if srcdir already configured
  472   if test -f $srcdir/config.status; then
  473     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  474   fi
  475 fi
  476 
  477 # test whether we have cygpath
  478 if test -z "$CYGPATH_W"; then
  479   if (cygpath --version) >/dev/null 2>/dev/null; then
  480     CYGPATH_W='cygpath -w'
  481   else
  482     CYGPATH_W=echo
  483   fi
  484 fi
  485 AC_SUBST([CYGPATH_W])
  486 
  487 # Define the identity of the package.
  488 dnl Distinguish between old-style and new-style calls.
  489 m4_ifval([$2],
  490 [AC_DIAGNOSE([obsolete],
  491              [$0: two- and three-arguments forms are deprecated.])
  492 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  493  AC_SUBST([PACKAGE], [$1])dnl
  494  AC_SUBST([VERSION], [$2])],
  495 [_AM_SET_OPTIONS([$1])dnl
  496 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  497 m4_if(
  498   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
  499   [ok:ok],,
  500   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  501  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  502  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  503 
  504 _AM_IF_OPTION([no-define],,
  505 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
  506  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
  507 
  508 # Some tools Automake needs.
  509 AC_REQUIRE([AM_SANITY_CHECK])dnl
  510 AC_REQUIRE([AC_ARG_PROGRAM])dnl
  511 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
  512 AM_MISSING_PROG([AUTOCONF], [autoconf])
  513 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
  514 AM_MISSING_PROG([AUTOHEADER], [autoheader])
  515 AM_MISSING_PROG([MAKEINFO], [makeinfo])
  516 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  517 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  518 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  519 # For better backward compatibility.  To be removed once Automake 1.9.x
  520 # dies out for good.  For more background, see:
  521 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
  522 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
  523 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
  524 # We need awk for the "check" target.  The system "awk" is bad on
  525 # some platforms.
  526 AC_REQUIRE([AC_PROG_AWK])dnl
  527 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  528 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  529 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  530 	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  531 			     [_AM_PROG_TAR([v7])])])
  532 _AM_IF_OPTION([no-dependencies],,
  533 [AC_PROVIDE_IFELSE([AC_PROG_CC],
  534 		  [_AM_DEPENDENCIES([CC])],
  535 		  [m4_define([AC_PROG_CC],
  536 			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
  537 AC_PROVIDE_IFELSE([AC_PROG_CXX],
  538 		  [_AM_DEPENDENCIES([CXX])],
  539 		  [m4_define([AC_PROG_CXX],
  540 			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
  541 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  542 		  [_AM_DEPENDENCIES([OBJC])],
  543 		  [m4_define([AC_PROG_OBJC],
  544 			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
  545 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
  546 		  [_AM_DEPENDENCIES([OBJCXX])],
  547 		  [m4_define([AC_PROG_OBJCXX],
  548 			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
  549 ])
  550 AC_REQUIRE([AM_SILENT_RULES])dnl
  551 dnl The testsuite driver may need to know about EXEEXT, so add the
  552 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
  553 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
  554 AC_CONFIG_COMMANDS_PRE(dnl
  555 [m4_provide_if([_AM_COMPILER_EXEEXT],
  556   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  557 
  558 # POSIX will say in a future version that running "rm -f" with no argument
  559 # is OK; and we want to be able to make that assumption in our Makefile
  560 # recipes.  So use an aggressive probe to check that the usage we want is
  561 # actually supported "in the wild" to an acceptable degree.
  562 # See automake bug#10828.
  563 # To make any issue more visible, cause the running configure to be aborted
  564 # by default if the 'rm' program in use doesn't match our expectations; the
  565 # user can still override this though.
  566 if rm -f && rm -fr && rm -rf; then : OK; else
  567   cat >&2 <<'END'
  568 Oops!
  569 
  570 Your 'rm' program seems unable to run without file operands specified
  571 on the command line, even when the '-f' option is present.  This is contrary
  572 to the behaviour of most rm programs out there, and not conforming with
  573 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
  574 
  575 Please tell bug-automake@gnu.org about your system, including the value
  576 of your $PATH and any error possibly output before this message.  This
  577 can help us improve future automake versions.
  578 
  579 END
  580   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
  581     echo 'Configuration will proceed anyway, since you have set the' >&2
  582     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
  583     echo >&2
  584   else
  585     cat >&2 <<'END'
  586 Aborting the configuration process, to ensure you take notice of the issue.
  587 
  588 You can download and install GNU coreutils to get an 'rm' implementation
  589 that behaves properly: <http://www.gnu.org/software/coreutils/>.
  590 
  591 If you want to complete the configuration process using your problematic
  592 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
  593 to "yes", and re-run configure.
  594 
  595 END
  596     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  597   fi
  598 fi
  599 ])
  600 
  601 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
  602 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  603 dnl mangled by Autoconf and run in a shell conditional statement.
  604 m4_define([_AC_COMPILER_EXEEXT],
  605 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
  606 
  607 # When config.status generates a header, we must update the stamp-h file.
  608 # This file resides in the same directory as the config header
  609 # that is generated.  The stamp files are numbered to have different names.
  610 
  611 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
  612 # loop where config.status creates the headers, so we can generate
  613 # our stamp files there.
  614 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
  615 [# Compute $1's index in $config_headers.
  616 _am_arg=$1
  617 _am_stamp_count=1
  618 for _am_header in $config_headers :; do
  619   case $_am_header in
  620     $_am_arg | $_am_arg:* )
  621       break ;;
  622     * )
  623       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  624   esac
  625 done
  626 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  627 
  628 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  629 #
  630 # This file is free software; the Free Software Foundation
  631 # gives unlimited permission to copy and/or distribute it,
  632 # with or without modifications, as long as this notice is preserved.
  633 
  634 # AM_PROG_INSTALL_SH
  635 # ------------------
  636 # Define $install_sh.
  637 AC_DEFUN([AM_PROG_INSTALL_SH],
  638 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  639 if test x"${install_sh}" != xset; then
  640   case $am_aux_dir in
  641   *\ * | *\	*)
  642     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  643   *)
  644     install_sh="\${SHELL} $am_aux_dir/install-sh"
  645   esac
  646 fi
  647 AC_SUBST([install_sh])])
  648 
  649 # Copyright (C) 2003-2013 Free Software Foundation, Inc.
  650 #
  651 # This file is free software; the Free Software Foundation
  652 # gives unlimited permission to copy and/or distribute it,
  653 # with or without modifications, as long as this notice is preserved.
  654 
  655 # Check whether the underlying file-system supports filenames
  656 # with a leading dot.  For instance MS-DOS doesn't.
  657 AC_DEFUN([AM_SET_LEADING_DOT],
  658 [rm -rf .tst 2>/dev/null
  659 mkdir .tst 2>/dev/null
  660 if test -d .tst; then
  661   am__leading_dot=.
  662 else
  663   am__leading_dot=_
  664 fi
  665 rmdir .tst 2>/dev/null
  666 AC_SUBST([am__leading_dot])])
  667 
  668 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
  669 
  670 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  671 #
  672 # This file is free software; the Free Software Foundation
  673 # gives unlimited permission to copy and/or distribute it,
  674 # with or without modifications, as long as this notice is preserved.
  675 
  676 # AM_MAKE_INCLUDE()
  677 # -----------------
  678 # Check to see how make treats includes.
  679 AC_DEFUN([AM_MAKE_INCLUDE],
  680 [am_make=${MAKE-make}
  681 cat > confinc << 'END'
  682 am__doit:
  683 	@echo this is the am__doit target
  684 .PHONY: am__doit
  685 END
  686 # If we don't find an include directive, just comment out the code.
  687 AC_MSG_CHECKING([for style of include used by $am_make])
  688 am__include="#"
  689 am__quote=
  690 _am_result=none
  691 # First try GNU make style include.
  692 echo "include confinc" > confmf
  693 # Ignore all kinds of additional output from 'make'.
  694 case `$am_make -s -f confmf 2> /dev/null` in #(
  695 *the\ am__doit\ target*)
  696   am__include=include
  697   am__quote=
  698   _am_result=GNU
  699   ;;
  700 esac
  701 # Now try BSD make style include.
  702 if test "$am__include" = "#"; then
  703    echo '.include "confinc"' > confmf
  704    case `$am_make -s -f confmf 2> /dev/null` in #(
  705    *the\ am__doit\ target*)
  706      am__include=.include
  707      am__quote="\""
  708      _am_result=BSD
  709      ;;
  710    esac
  711 fi
  712 AC_SUBST([am__include])
  713 AC_SUBST([am__quote])
  714 AC_MSG_RESULT([$_am_result])
  715 rm -f confinc confmf
  716 ])
  717 
  718 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
  719 
  720 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
  721 #
  722 # This file is free software; the Free Software Foundation
  723 # gives unlimited permission to copy and/or distribute it,
  724 # with or without modifications, as long as this notice is preserved.
  725 
  726 # AM_MISSING_PROG(NAME, PROGRAM)
  727 # ------------------------------
  728 AC_DEFUN([AM_MISSING_PROG],
  729 [AC_REQUIRE([AM_MISSING_HAS_RUN])
  730 $1=${$1-"${am_missing_run}$2"}
  731 AC_SUBST($1)])
  732 
  733 # AM_MISSING_HAS_RUN
  734 # ------------------
  735 # Define MISSING if not defined so far and test if it is modern enough.
  736 # If it is, set am_missing_run to use it, otherwise, to nothing.
  737 AC_DEFUN([AM_MISSING_HAS_RUN],
  738 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  739 AC_REQUIRE_AUX_FILE([missing])dnl
  740 if test x"${MISSING+set}" != xset; then
  741   case $am_aux_dir in
  742   *\ * | *\	*)
  743     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  744   *)
  745     MISSING="\${SHELL} $am_aux_dir/missing" ;;
  746   esac
  747 fi
  748 # Use eval to expand $SHELL
  749 if eval "$MISSING --is-lightweight"; then
  750   am_missing_run="$MISSING "
  751 else
  752   am_missing_run=
  753   AC_MSG_WARN(['missing' script is too old or missing])
  754 fi
  755 ])
  756 
  757 #  -*- Autoconf -*-
  758 # Obsolete and "removed" macros, that must however still report explicit
  759 # error messages when used, to smooth transition.
  760 #
  761 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  762 #
  763 # This file is free software; the Free Software Foundation
  764 # gives unlimited permission to copy and/or distribute it,
  765 # with or without modifications, as long as this notice is preserved.
  766 
  767 AC_DEFUN([AM_CONFIG_HEADER],
  768 [AC_DIAGNOSE([obsolete],
  769 ['$0': this macro is obsolete.
  770 You should use the 'AC][_CONFIG_HEADERS' macro instead.])dnl
  771 AC_CONFIG_HEADERS($@)])
  772 
  773 AC_DEFUN([AM_PROG_CC_STDC],
  774 [AC_PROG_CC
  775 am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
  776 AC_DIAGNOSE([obsolete],
  777 ['$0': this macro is obsolete.
  778 You should simply use the 'AC][_PROG_CC' macro instead.
  779 Also, your code should no longer depend upon 'am_cv_prog_cc_stdc',
  780 but upon 'ac_cv_prog_cc_stdc'.])])
  781 
  782 AC_DEFUN([AM_C_PROTOTYPES],
  783          [AC_FATAL([automatic de-ANSI-fication support has been removed])])
  784 AU_DEFUN([fp_C_PROTOTYPES], [AM_C_PROTOTYPES])
  785 
  786 # Helper functions for option handling.                     -*- Autoconf -*-
  787 
  788 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  789 #
  790 # This file is free software; the Free Software Foundation
  791 # gives unlimited permission to copy and/or distribute it,
  792 # with or without modifications, as long as this notice is preserved.
  793 
  794 # _AM_MANGLE_OPTION(NAME)
  795 # -----------------------
  796 AC_DEFUN([_AM_MANGLE_OPTION],
  797 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  798 
  799 # _AM_SET_OPTION(NAME)
  800 # --------------------
  801 # Set option NAME.  Presently that only means defining a flag for this option.
  802 AC_DEFUN([_AM_SET_OPTION],
  803 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
  804 
  805 # _AM_SET_OPTIONS(OPTIONS)
  806 # ------------------------
  807 # OPTIONS is a space-separated list of Automake options.
  808 AC_DEFUN([_AM_SET_OPTIONS],
  809 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  810 
  811 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  812 # -------------------------------------------
  813 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  814 AC_DEFUN([_AM_IF_OPTION],
  815 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  816 
  817 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  818 #
  819 # This file is free software; the Free Software Foundation
  820 # gives unlimited permission to copy and/or distribute it,
  821 # with or without modifications, as long as this notice is preserved.
  822 
  823 # _AM_PROG_CC_C_O
  824 # ---------------
  825 # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
  826 # to automatically call this.
  827 AC_DEFUN([_AM_PROG_CC_C_O],
  828 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  829 AC_REQUIRE_AUX_FILE([compile])dnl
  830 AC_LANG_PUSH([C])dnl
  831 AC_CACHE_CHECK(
  832   [whether $CC understands -c and -o together],
  833   [am_cv_prog_cc_c_o],
  834   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
  835   # Make sure it works both with $CC and with simple cc.
  836   # Following AC_PROG_CC_C_O, we do the test twice because some
  837   # compilers refuse to overwrite an existing .o file with -o,
  838   # though they will create one.
  839   am_cv_prog_cc_c_o=yes
  840   for am_i in 1 2; do
  841     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
  842          && test -f conftest2.$ac_objext; then
  843       : OK
  844     else
  845       am_cv_prog_cc_c_o=no
  846       break
  847     fi
  848   done
  849   rm -f core conftest*
  850   unset am_i])
  851 if test "$am_cv_prog_cc_c_o" != yes; then
  852    # Losing compiler, so override with the script.
  853    # FIXME: It is wrong to rewrite CC.
  854    # But if we don't then we get into trouble of one sort or another.
  855    # A longer-term fix would be to have automake use am__CC in this case,
  856    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
  857    CC="$am_aux_dir/compile $CC"
  858 fi
  859 AC_LANG_POP([C])])
  860 
  861 # For backward compatibility.
  862 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
  863 
  864 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  865 #
  866 # This file is free software; the Free Software Foundation
  867 # gives unlimited permission to copy and/or distribute it,
  868 # with or without modifications, as long as this notice is preserved.
  869 
  870 # AM_RUN_LOG(COMMAND)
  871 # -------------------
  872 # Run COMMAND, save the exit status in ac_status, and log it.
  873 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
  874 AC_DEFUN([AM_RUN_LOG],
  875 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
  876    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
  877    ac_status=$?
  878    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
  879    (exit $ac_status); }])
  880 
  881 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
  882 
  883 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  884 #
  885 # This file is free software; the Free Software Foundation
  886 # gives unlimited permission to copy and/or distribute it,
  887 # with or without modifications, as long as this notice is preserved.
  888 
  889 # AM_SANITY_CHECK
  890 # ---------------
  891 AC_DEFUN([AM_SANITY_CHECK],
  892 [AC_MSG_CHECKING([whether build environment is sane])
  893 # Reject unsafe characters in $srcdir or the absolute working directory
  894 # name.  Accept space and tab only in the latter.
  895 am_lf='
  896 '
  897 case `pwd` in
  898   *[[\\\"\#\$\&\'\`$am_lf]]*)
  899     AC_MSG_ERROR([unsafe absolute working directory name]);;
  900 esac
  901 case $srcdir in
  902   *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
  903     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
  904 esac
  905 
  906 # Do 'set' in a subshell so we don't clobber the current shell's
  907 # arguments.  Must try -L first in case configure is actually a
  908 # symlink; some systems play weird games with the mod time of symlinks
  909 # (eg FreeBSD returns the mod time of the symlink's containing
  910 # directory).
  911 if (
  912    am_has_slept=no
  913    for am_try in 1 2; do
  914      echo "timestamp, slept: $am_has_slept" > conftest.file
  915      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  916      if test "$[*]" = "X"; then
  917 	# -L didn't work.
  918 	set X `ls -t "$srcdir/configure" conftest.file`
  919      fi
  920      if test "$[*]" != "X $srcdir/configure conftest.file" \
  921 	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
  922 
  923 	# If neither matched, then we have a broken ls.  This can happen
  924 	# if, for instance, CONFIG_SHELL is bash and it inherits a
  925 	# broken ls alias from the environment.  This has actually
  926 	# happened.  Such a system could not be considered "sane".
  927 	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  928   alias in your environment])
  929      fi
  930      if test "$[2]" = conftest.file || test $am_try -eq 2; then
  931        break
  932      fi
  933      # Just in case.
  934      sleep 1
  935      am_has_slept=yes
  936    done
  937    test "$[2]" = conftest.file
  938    )
  939 then
  940    # Ok.
  941    :
  942 else
  943    AC_MSG_ERROR([newly created file is older than distributed files!
  944 Check your system clock])
  945 fi
  946 AC_MSG_RESULT([yes])
  947 # If we didn't sleep, we still need to ensure time stamps of config.status and
  948 # generated files are strictly newer.
  949 am_sleep_pid=
  950 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  951   ( sleep 1 ) &
  952   am_sleep_pid=$!
  953 fi
  954 AC_CONFIG_COMMANDS_PRE(
  955   [AC_MSG_CHECKING([that generated files are newer than configure])
  956    if test -n "$am_sleep_pid"; then
  957      # Hide warnings about reused PIDs.
  958      wait $am_sleep_pid 2>/dev/null
  959    fi
  960    AC_MSG_RESULT([done])])
  961 rm -f conftest.file
  962 ])
  963 
  964 # Copyright (C) 2009-2013 Free Software Foundation, Inc.
  965 #
  966 # This file is free software; the Free Software Foundation
  967 # gives unlimited permission to copy and/or distribute it,
  968 # with or without modifications, as long as this notice is preserved.
  969 
  970 # AM_SILENT_RULES([DEFAULT])
  971 # --------------------------
  972 # Enable less verbose build rules; with the default set to DEFAULT
  973 # ("yes" being less verbose, "no" or empty being verbose).
  974 AC_DEFUN([AM_SILENT_RULES],
  975 [AC_ARG_ENABLE([silent-rules], [dnl
  976 AS_HELP_STRING(
  977   [--enable-silent-rules],
  978   [less verbose build output (undo: "make V=1")])
  979 AS_HELP_STRING(
  980   [--disable-silent-rules],
  981   [verbose build output (undo: "make V=0")])dnl
  982 ])
  983 case $enable_silent_rules in @%:@ (((
  984   yes) AM_DEFAULT_VERBOSITY=0;;
  985    no) AM_DEFAULT_VERBOSITY=1;;
  986     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
  987 esac
  988 dnl
  989 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
  990 dnl do not support nested variable expansions.
  991 dnl See automake bug#9928 and bug#10237.
  992 am_make=${MAKE-make}
  993 AC_CACHE_CHECK([whether $am_make supports nested variables],
  994    [am_cv_make_support_nested_variables],
  995    [if AS_ECHO([['TRUE=$(BAR$(V))
  996 BAR0=false
  997 BAR1=true
  998 V=1
  999 am__doit:
 1000 	@$(TRUE)
 1001 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
 1002   am_cv_make_support_nested_variables=yes
 1003 else
 1004   am_cv_make_support_nested_variables=no
 1005 fi])
 1006 if test $am_cv_make_support_nested_variables = yes; then
 1007   dnl Using '$V' instead of '$(V)' breaks IRIX make.
 1008   AM_V='$(V)'
 1009   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
 1010 else
 1011   AM_V=$AM_DEFAULT_VERBOSITY
 1012   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
 1013 fi
 1014 AC_SUBST([AM_V])dnl
 1015 AM_SUBST_NOTMAKE([AM_V])dnl
 1016 AC_SUBST([AM_DEFAULT_V])dnl
 1017 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
 1018 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
 1019 AM_BACKSLASH='\'
 1020 AC_SUBST([AM_BACKSLASH])dnl
 1021 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 1022 ])
 1023 
 1024 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
 1025 #
 1026 # This file is free software; the Free Software Foundation
 1027 # gives unlimited permission to copy and/or distribute it,
 1028 # with or without modifications, as long as this notice is preserved.
 1029 
 1030 # AM_PROG_INSTALL_STRIP
 1031 # ---------------------
 1032 # One issue with vendor 'install' (even GNU) is that you can't
 1033 # specify the program used to strip binaries.  This is especially
 1034 # annoying in cross-compiling environments, where the build's strip
 1035 # is unlikely to handle the host's binaries.
 1036 # Fortunately install-sh will honor a STRIPPROG variable, so we
 1037 # always use install-sh in "make install-strip", and initialize
 1038 # STRIPPROG with the value of the STRIP variable (set by the user).
 1039 AC_DEFUN([AM_PROG_INSTALL_STRIP],
 1040 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 1041 # Installed binaries are usually stripped using 'strip' when the user
 1042 # run "make install-strip".  However 'strip' might not be the right
 1043 # tool to use in cross-compilation environments, therefore Automake
 1044 # will honor the 'STRIP' environment variable to overrule this program.
 1045 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
 1046 if test "$cross_compiling" != no; then
 1047   AC_CHECK_TOOL([STRIP], [strip], :)
 1048 fi
 1049 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 1050 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 1051 
 1052 # Copyright (C) 2006-2013 Free Software Foundation, Inc.
 1053 #
 1054 # This file is free software; the Free Software Foundation
 1055 # gives unlimited permission to copy and/or distribute it,
 1056 # with or without modifications, as long as this notice is preserved.
 1057 
 1058 # _AM_SUBST_NOTMAKE(VARIABLE)
 1059 # ---------------------------
 1060 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
 1061 # This macro is traced by Automake.
 1062 AC_DEFUN([_AM_SUBST_NOTMAKE])
 1063 
 1064 # AM_SUBST_NOTMAKE(VARIABLE)
 1065 # --------------------------
 1066 # Public sister of _AM_SUBST_NOTMAKE.
 1067 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 1068 
 1069 # Check how to create a tarball.                            -*- Autoconf -*-
 1070 
 1071 # Copyright (C) 2004-2013 Free Software Foundation, Inc.
 1072 #
 1073 # This file is free software; the Free Software Foundation
 1074 # gives unlimited permission to copy and/or distribute it,
 1075 # with or without modifications, as long as this notice is preserved.
 1076 
 1077 # _AM_PROG_TAR(FORMAT)
 1078 # --------------------
 1079 # Check how to create a tarball in format FORMAT.
 1080 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
 1081 #
 1082 # Substitute a variable $(am__tar) that is a command
 1083 # writing to stdout a FORMAT-tarball containing the directory
 1084 # $tardir.
 1085 #     tardir=directory && $(am__tar) > result.tar
 1086 #
 1087 # Substitute a variable $(am__untar) that extract such
 1088 # a tarball read from stdin.
 1089 #     $(am__untar) < result.tar
 1090 #
 1091 AC_DEFUN([_AM_PROG_TAR],
 1092 [# Always define AMTAR for backward compatibility.  Yes, it's still used
 1093 # in the wild :-(  We should find a proper way to deprecate it ...
 1094 AC_SUBST([AMTAR], ['$${TAR-tar}'])
 1095 
 1096 # We'll loop over all known methods to create a tar archive until one works.
 1097 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
 1098 
 1099 m4_if([$1], [v7],
 1100   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
 1101 
 1102   [m4_case([$1],
 1103     [ustar],
 1104      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
 1105       # There is notably a 21 bits limit for the UID and the GID.  In fact,
 1106       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
 1107       # and bug#13588).
 1108       am_max_uid=2097151 # 2^21 - 1
 1109       am_max_gid=$am_max_uid
 1110       # The $UID and $GID variables are not portable, so we need to resort
 1111       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
 1112       # below are definitely unexpected, so allow the users to see them
 1113       # (that is, avoid stderr redirection).
 1114       am_uid=`id -u || echo unknown`
 1115       am_gid=`id -g || echo unknown`
 1116       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
 1117       if test $am_uid -le $am_max_uid; then
 1118          AC_MSG_RESULT([yes])
 1119       else
 1120          AC_MSG_RESULT([no])
 1121          _am_tools=none
 1122       fi
 1123       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
 1124       if test $am_gid -le $am_max_gid; then
 1125          AC_MSG_RESULT([yes])
 1126       else
 1127         AC_MSG_RESULT([no])
 1128         _am_tools=none
 1129       fi],
 1130 
 1131   [pax],
 1132     [],
 1133 
 1134   [m4_fatal([Unknown tar format])])
 1135 
 1136   AC_MSG_CHECKING([how to create a $1 tar archive])
 1137 
 1138   # Go ahead even if we have the value already cached.  We do so because we
 1139   # need to set the values for the 'am__tar' and 'am__untar' variables.
 1140   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
 1141 
 1142   for _am_tool in $_am_tools; do
 1143     case $_am_tool in
 1144     gnutar)
 1145       for _am_tar in tar gnutar gtar; do
 1146         AM_RUN_LOG([$_am_tar --version]) && break
 1147       done
 1148       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
 1149       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
 1150       am__untar="$_am_tar -xf -"
 1151       ;;
 1152     plaintar)
 1153       # Must skip GNU tar: if it does not support --format= it doesn't create
 1154       # ustar tarball either.
 1155       (tar --version) >/dev/null 2>&1 && continue
 1156       am__tar='tar chf - "$$tardir"'
 1157       am__tar_='tar chf - "$tardir"'
 1158       am__untar='tar xf -'
 1159       ;;
 1160     pax)
 1161       am__tar='pax -L -x $1 -w "$$tardir"'
 1162       am__tar_='pax -L -x $1 -w "$tardir"'
 1163       am__untar='pax -r'
 1164       ;;
 1165     cpio)
 1166       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
 1167       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
 1168       am__untar='cpio -i -H $1 -d'
 1169       ;;
 1170     none)
 1171       am__tar=false
 1172       am__tar_=false
 1173       am__untar=false
 1174       ;;
 1175     esac
 1176 
 1177     # If the value was cached, stop now.  We just wanted to have am__tar
 1178     # and am__untar set.
 1179     test -n "${am_cv_prog_tar_$1}" && break
 1180 
 1181     # tar/untar a dummy directory, and stop if the command works.
 1182     rm -rf conftest.dir
 1183     mkdir conftest.dir
 1184     echo GrepMe > conftest.dir/file
 1185     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
 1186     rm -rf conftest.dir
 1187     if test -s conftest.tar; then
 1188       AM_RUN_LOG([$am__untar <conftest.tar])
 1189       AM_RUN_LOG([cat conftest.dir/file])
 1190       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
 1191     fi
 1192   done
 1193   rm -rf conftest.dir
 1194 
 1195   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
 1196   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
 1197 
 1198 AC_SUBST([am__tar])
 1199 AC_SUBST([am__untar])
 1200 ]) # _AM_PROG_TAR
 1201 
 1202 m4_include([m4/libtool.m4])
 1203 m4_include([m4/ltoptions.m4])
 1204 m4_include([m4/ltsugar.m4])
 1205 m4_include([m4/ltversion.m4])
 1206 m4_include([m4/lt~obsolete.m4])