data/aclocal.m4

   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($@)])])
  15 m4_ifndef([AC_AUTOCONF_VERSION],
  16   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  17 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
  18 [m4_warning([this file was generated for autoconf 2.69.
  19 You have another version of autoconf.  It may work, but is not guaranteed to.
  20 If you have problems, you may need to regenerate the build system entirely.
  21 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
  22
  23 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
  24 # serial 1 (pkg-config-0.24)
  25 #
  26 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
  27 #
  28 # This program is free software; you can redistribute it and/or modify
  29 # it under the terms of the GNU General Public License as published by
  30 # the Free Software Foundation; either version 2 of the License, or
  31 # (at your option) any later version.
  32 #
  33 # This program is distributed in the hope that it will be useful, but
  34 # WITHOUT ANY WARRANTY; without even the implied warranty of
  35 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  36 # General Public License for more details.
  37 #
  38 # You should have received a copy of the GNU General Public License
  39 # along with this program; if not, write to the Free Software
  40 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  41 #
  42 # As a special exception to the GNU General Public License, if you
  43 # distribute this file as part of a program that contains a
  44 # configuration script generated by Autoconf, you may include it under
  45 # the same distribution terms that you use for the rest of that program.
  46
  47 # PKG_PROG_PKG_CONFIG([MIN-VERSION])
  48 # ----------------------------------
  49 AC_DEFUN([PKG_PROG_PKG_CONFIG],
  50 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
  51 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
  52 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
  53 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
  54 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
  55 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
  56
  57 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
  58         AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
  59 fi
  60 if test -n "$PKG_CONFIG"; then
  61         _pkg_min_version=m4_default([$1], [0.9.0])
  62         AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
  63         if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
  64                 AC_MSG_RESULT([yes])
  65         else
  66                 AC_MSG_RESULT([no])
  67                 PKG_CONFIG=""
  68         fi
  69 fi[]dnl
  70 ])# PKG_PROG_PKG_CONFIG
  71
  72 # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
  73 #
  74 # Check to see whether a particular set of modules exists.  Similar
  75 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
  76 #
  77 # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
  78 # only at the first occurence in configure.ac, so if the first place
  79 # it's called might be skipped (such as if it is within an "if", you
  80 # have to call PKG_CHECK_EXISTS manually
  81 # --------------------------------------------------------------
  82 AC_DEFUN([PKG_CHECK_EXISTS],
  83 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  84 if test -n "$PKG_CONFIG" && \
  85     AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
  86   m4_default([$2], [:])
  87 m4_ifvaln([$3], [else
  88   $3])dnl
  89 fi])
  90
  91 # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
  92 # ---------------------------------------------
  93 m4_define([_PKG_CONFIG],
  94 [if test -n "$$1"; then
  95     pkg_cv_[]$1="$$1"
  96  elif test -n "$PKG_CONFIG"; then
  97     PKG_CHECK_EXISTS([$3],
  98                      [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
  99                       test "x$?" != "x0" && pkg_failed=yes ],
 100                      [pkg_failed=yes])
 101  else
 102     pkg_failed=untried
 103 fi[]dnl
 104 ])# _PKG_CONFIG
 105
 106 # _PKG_SHORT_ERRORS_SUPPORTED
 107 # -----------------------------
 108 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
 109 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
 110 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
 111         _pkg_short_errors_supported=yes
 112 else
 113         _pkg_short_errors_supported=no
 114 fi[]dnl
 115 ])# _PKG_SHORT_ERRORS_SUPPORTED
 116
 117
 118 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
 119 # [ACTION-IF-NOT-FOUND])
 120 #
 121 #
 122 # Note that if there is a possibility the first call to
 123 # PKG_CHECK_MODULES might not happen, you should be sure to include an
 124 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
 125 #
 126 #
 127 # --------------------------------------------------------------
 128 AC_DEFUN([PKG_CHECK_MODULES],
 129 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
 130 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
 131 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
 132
 133 pkg_failed=no
 134 AC_MSG_CHECKING([for $1])
 135
 136 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
 137 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
 138
 139 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
 140 and $1[]_LIBS to avoid the need to call pkg-config.
 141 See the pkg-config man page for more details.])
 142
 143 if test $pkg_failed = yes; then
 144         AC_MSG_RESULT([no])
 145         _PKG_SHORT_ERRORS_SUPPORTED
 146         if test $_pkg_short_errors_supported = yes; then
 147                 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
 148         else
 149                 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
 150         fi
 151         # Put the nasty error message in config.log where it belongs
 152         echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
 153
 154         m4_default([$4], [AC_MSG_ERROR(
 155 [Package requirements ($2) were not met:
 156
 157 $$1_PKG_ERRORS
 158
 159 Consider adjusting the PKG_CONFIG_PATH environment variable if you
 160 installed software in a non-standard prefix.
 161
 162 _PKG_TEXT])[]dnl
 163         ])
 164 elif test $pkg_failed = untried; then
 165         AC_MSG_RESULT([no])
 166         m4_default([$4], [AC_MSG_FAILURE(
 167 [The pkg-config script could not be found or is too old.  Make sure it
 168 is in your PATH or set the PKG_CONFIG environment variable to the full
 169 path to pkg-config.
 170
 171 _PKG_TEXT
 172
 173 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
 174         ])
 175 else
 176         $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
 177         $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
 178         AC_MSG_RESULT([yes])
 179         $3
 180 fi[]dnl
 181 ])# PKG_CHECK_MODULES
 182
 183
 184 # PKG_INSTALLDIR(DIRECTORY)
 185 # -------------------------
 186 # Substitutes the variable pkgconfigdir as the location where a module
 187 # should install pkg-config .pc files. By default the directory is
 188 # $libdir/pkgconfig, but the default can be changed by passing
 189 # DIRECTORY. The user can override through the --with-pkgconfigdir
 190 # parameter.
 191 AC_DEFUN([PKG_INSTALLDIR],
 192 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
 193 m4_pushdef([pkg_description],
 194     [pkg-config installation directory @<:@]pkg_default[@:>@])
 195 AC_ARG_WITH([pkgconfigdir],
 196     [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
 197     [with_pkgconfigdir=]pkg_default)
 198 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
 199 m4_popdef([pkg_default])
 200 m4_popdef([pkg_description])
 201 ]) dnl PKG_INSTALLDIR
 202
 203
 204 # PKG_NOARCH_INSTALLDIR(DIRECTORY)
 205 # -------------------------
 206 # Substitutes the variable noarch_pkgconfigdir as the location where a
 207 # module should install arch-independent pkg-config .pc files. By
 208 # default the directory is $datadir/pkgconfig, but the default can be
 209 # changed by passing DIRECTORY. The user can override through the
 210 # --with-noarch-pkgconfigdir parameter.
 211 AC_DEFUN([PKG_NOARCH_INSTALLDIR],
 212 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
 213 m4_pushdef([pkg_description],
 214     [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
 215 AC_ARG_WITH([noarch-pkgconfigdir],
 216     [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
 217     [with_noarch_pkgconfigdir=]pkg_default)
 218 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
 219 m4_popdef([pkg_default])
 220 m4_popdef([pkg_description])
 221 ]) dnl PKG_NOARCH_INSTALLDIR
 222
 223
 224 # PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
 225 # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 226 # -------------------------------------------
 227 # Retrieves the value of the pkg-config variable for the given module.
 228 AC_DEFUN([PKG_CHECK_VAR],
 229 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
 230 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
 231
 232 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
 233 AS_VAR_COPY([$1], [pkg_cv_][$1])
 234
 235 AS_VAR_IF([$1], [""], [$5], [$4])dnl
 236 ])# PKG_CHECK_VAR
 237
 238 # Copyright (C) 2002-2013 Free Software Foundation, Inc.
 239 #
 240 # This file is free software; the Free Software Foundation
 241 # gives unlimited permission to copy and/or distribute it,
 242 # with or without modifications, as long as this notice is preserved.
 243
 244 # AM_AUTOMAKE_VERSION(VERSION)
 245 # ----------------------------
 246 # Automake X.Y traces this macro to ensure aclocal.m4 has been
 247 # generated from the m4 files accompanying Automake X.Y.
 248 # (This private macro should not be called outside this file.)
 249 AC_DEFUN([AM_AUTOMAKE_VERSION],
 250 [am__api_version='1.14'
 251 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 252 dnl require some minimum version.  Point them to the right macro.
 253 m4_if([$1], [1.14.1], [],
 254       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 255 ])
 256
 257 # _AM_AUTOCONF_VERSION(VERSION)
 258 # -----------------------------
 259 # aclocal traces this macro to find the Autoconf version.
 260 # This is a private macro too.  Using m4_define simplifies
 261 # the logic in aclocal, which can simply ignore this definition.
 262 m4_define([_AM_AUTOCONF_VERSION], [])
 263
 264 # AM_SET_CURRENT_AUTOMAKE_VERSION
 265 # -------------------------------
 266 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 267 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 268 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
 269 [AM_AUTOMAKE_VERSION([1.14.1])dnl
 270 m4_ifndef([AC_AUTOCONF_VERSION],
 271   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 272 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 273
 274 # Copyright (C) 2011-2013 Free Software Foundation, Inc.
 275 #
 276 # This file is free software; the Free Software Foundation
 277 # gives unlimited permission to copy and/or distribute it,
 278 # with or without modifications, as long as this notice is preserved.
 279
 280 # AM_PROG_AR([ACT-IF-FAIL])
 281 # -------------------------
 282 # Try to determine the archiver interface, and trigger the ar-lib wrapper
 283 # if it is needed.  If the detection of archiver interface fails, run
 284 # ACT-IF-FAIL (default is to abort configure with a proper error message).
 285 AC_DEFUN([AM_PROG_AR],
 286 [AC_BEFORE([$0], [LT_INIT])dnl
 287 AC_BEFORE([$0], [AC_PROG_LIBTOOL])dnl
 288 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 289 AC_REQUIRE_AUX_FILE([ar-lib])dnl
 290 AC_CHECK_TOOLS([AR], [ar lib "link -lib"], [false])
 291 : ${AR=ar}
 292
 293 AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
 294   [AC_LANG_PUSH([C])
 295    am_cv_ar_interface=ar
 296    AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int some_variable = 0;]])],
 297      [am_ar_try='$AR cru libconftest.a conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
 298       AC_TRY_EVAL([am_ar_try])
 299       if test "$ac_status" -eq 0; then
 300         am_cv_ar_interface=ar
 301       else
 302         am_ar_try='$AR -NOLOGO -OUT:conftest.lib conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
 303         AC_TRY_EVAL([am_ar_try])
 304         if test "$ac_status" -eq 0; then
 305           am_cv_ar_interface=lib
 306         else
 307           am_cv_ar_interface=unknown
 308         fi
 309       fi
 310       rm -f conftest.lib libconftest.a
 311      ])
 312    AC_LANG_POP([C])])
 313
 314 case $am_cv_ar_interface in
 315 ar)
 316   ;;
 317 lib)
 318   # Microsoft lib, so override with the ar-lib wrapper script.
 319   # FIXME: It is wrong to rewrite AR.
 320   # But if we don't then we get into trouble of one sort or another.
 321   # A longer-term fix would be to have automake use am__AR in this case,
 322   # and then we could set am__AR="$am_aux_dir/ar-lib \$(AR)" or something
 323   # similar.
 324   AR="$am_aux_dir/ar-lib $AR"
 325   ;;
 326 unknown)
 327   m4_default([$1],
 328              [AC_MSG_ERROR([could not determine $AR interface])])
 329   ;;
 330 esac
 331 AC_SUBST([AR])dnl
 332 ])
 333
 334 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 335
 336 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
 337 #
 338 # This file is free software; the Free Software Foundation
 339 # gives unlimited permission to copy and/or distribute it,
 340 # with or without modifications, as long as this notice is preserved.
 341
 342 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
 343 # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
 344 # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
 345 #
 346 # Of course, Automake must honor this variable whenever it calls a
 347 # tool from the auxiliary directory.  The problem is that $srcdir (and
 348 # therefore $ac_aux_dir as well) can be either absolute or relative,
 349 # depending on how configure is run.  This is pretty annoying, since
 350 # it makes $ac_aux_dir quite unusable in subdirectories: in the top
 351 # source directory, any form will work fine, but in subdirectories a
 352 # relative path needs to be adjusted first.
 353 #
 354 # $ac_aux_dir/missing
 355 #    fails when called from a subdirectory if $ac_aux_dir is relative
 356 # $top_srcdir/$ac_aux_dir/missing
 357 #    fails if $ac_aux_dir is absolute,
 358 #    fails when called from a subdirectory in a VPATH build with
 359 #          a relative $ac_aux_dir
 360 #
 361 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
 362 # are both prefixed by $srcdir.  In an in-source build this is usually
 363 # harmless because $srcdir is '.', but things will broke when you
 364 # start a VPATH build or use an absolute $srcdir.
 365 #
 366 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
 367 # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
 368 #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
 369 # and then we would define $MISSING as
 370 #   MISSING="\${SHELL} $am_aux_dir/missing"
 371 # This will work as long as MISSING is not called from configure, because
 372 # unfortunately $(top_srcdir) has no meaning in configure.
 373 # However there are other variables, like CC, which are often used in
 374 # configure, and could therefore not use this "fixed" $ac_aux_dir.
 375 #
 376 # Another solution, used here, is to always expand $ac_aux_dir to an
 377 # absolute PATH.  The drawback is that using absolute paths prevent a
 378 # configured tree to be moved without reconfiguration.
 379
 380 AC_DEFUN([AM_AUX_DIR_EXPAND],
 381 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
 382 # Expand $ac_aux_dir to an absolute path.
 383 am_aux_dir=`cd "$ac_aux_dir" && pwd`
 384 ])
 385
 386 # AM_CONDITIONAL                                            -*- Autoconf -*-
 387
 388 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
 389 #
 390 # This file is free software; the Free Software Foundation
 391 # gives unlimited permission to copy and/or distribute it,
 392 # with or without modifications, as long as this notice is preserved.
 393
 394 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 395 # -------------------------------------
 396 # Define a conditional.
 397 AC_DEFUN([AM_CONDITIONAL],
 398 [AC_PREREQ([2.52])dnl
 399  m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
 400        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
 401 AC_SUBST([$1_TRUE])dnl
 402 AC_SUBST([$1_FALSE])dnl
 403 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
 404 _AM_SUBST_NOTMAKE([$1_FALSE])dnl
 405 m4_define([_AM_COND_VALUE_$1], [$2])dnl
 406 if $2; then
 407   $1_TRUE=
 408   $1_FALSE='#'
 409 else
 410   $1_TRUE='#'
 411   $1_FALSE=
 412 fi
 413 AC_CONFIG_COMMANDS_PRE(
 414 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
 415   AC_MSG_ERROR([[conditional "$1" was never defined.
 416 Usually this means the macro was only invoked conditionally.]])
 417 fi])])
 418
 419 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
 420 #
 421 # This file is free software; the Free Software Foundation
 422 # gives unlimited permission to copy and/or distribute it,
 423 # with or without modifications, as long as this notice is preserved.
 424
 425
 426 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
 427 # written in clear, in which case automake, when reading aclocal.m4,
 428 # will think it sees a *use*, and therefore will trigger all it's
 429 # C support machinery.  Also note that it means that autoscan, seeing
 430 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
 431
 432
 433 # _AM_DEPENDENCIES(NAME)
 434 # ----------------------
 435 # See how the compiler implements dependency checking.
 436 # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
 437 # We try a few techniques and use that to set a single cache variable.
 438 #
 439 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
 440 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
 441 # dependency, and given that the user is not expected to run this macro,
 442 # just rely on AC_PROG_CC.
 443 AC_DEFUN([_AM_DEPENDENCIES],
 444 [AC_REQUIRE([AM_SET_DEPDIR])dnl
 445 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
 446 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
 447 AC_REQUIRE([AM_DEP_TRACK])dnl
 448
 449 m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
 450       [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
 451       [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
 452       [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
 453       [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
 454       [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
 455                     [depcc="$$1"   am_compiler_list=])
 456
 457 AC_CACHE_CHECK([dependency style of $depcc],
 458                [am_cv_$1_dependencies_compiler_type],
 459 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
 460   # We make a subdir and do the tests there.  Otherwise we can end up
 461   # making bogus files that we don't know about and never remove.  For
 462   # instance it was reported that on HP-UX the gcc test will end up
 463   # making a dummy file named 'D' -- because '-MD' means "put the output
 464   # in D".
 465   rm -rf conftest.dir
 466   mkdir conftest.dir
 467   # Copy depcomp to subdir because otherwise we won't find it if we're
 468   # using a relative directory.
 469   cp "$am_depcomp" conftest.dir
 470   cd conftest.dir
 471   # We will build objects and dependencies in a subdirectory because
 472   # it helps to detect inapplicable dependency modes.  For instance
 473   # both Tru64's cc and ICC support -MD to output dependencies as a
 474   # side effect of compilation, but ICC will put the dependencies in
 475   # the current directory while Tru64 will put them in the object
 476   # directory.
 477   mkdir sub
 478
 479   am_cv_$1_dependencies_compiler_type=none
 480   if test "$am_compiler_list" = ""; then
 481      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
 482   fi
 483   am__universal=false
 484   m4_case([$1], [CC],
 485     [case " $depcc " in #(
 486      *\ -arch\ *\ -arch\ *) am__universal=true ;;
 487      esac],
 488     [CXX],
 489     [case " $depcc " in #(
 490      *\ -arch\ *\ -arch\ *) am__universal=true ;;
 491      esac])
 492
 493   for depmode in $am_compiler_list; do
 494     # Setup a source with many dependencies, because some compilers
 495     # like to wrap large dependency lists on column 80 (with \), and
 496     # we should not choose a depcomp mode which is confused by this.
 497     #
 498     # We need to recreate these files for each test, as the compiler may
 499     # overwrite some of them when testing with obscure command lines.
 500     # This happens at least with the AIX C compiler.
 501     : > sub/conftest.c
 502     for i in 1 2 3 4 5 6; do
 503       echo '#include "conftst'$i'.h"' >> sub/conftest.c
 504       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
 505       # Solaris 10 /bin/sh.
 506       echo '/* dummy */' > sub/conftst$i.h
 507     done
 508     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 509
 510     # We check with '-c' and '-o' for the sake of the "dashmstdout"
 511     # mode.  It turns out that the SunPro C++ compiler does not properly
 512     # handle '-M -o', and we need to detect this.  Also, some Intel
 513     # versions had trouble with output in subdirs.
 514     am__obj=sub/conftest.${OBJEXT-o}
 515     am__minus_obj="-o $am__obj"
 516     case $depmode in
 517     gcc)
 518       # This depmode causes a compiler race in universal mode.
 519       test "$am__universal" = false || continue
 520       ;;
 521     nosideeffect)
 522       # After this tag, mechanisms are not by side-effect, so they'll
 523       # only be used when explicitly requested.
 524       if test "x$enable_dependency_tracking" = xyes; then
 525         continue
 526       else
 527         break
 528       fi
 529       ;;
 530     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
 531       # This compiler won't grok '-c -o', but also, the minuso test has
 532       # not run yet.  These depmodes are late enough in the game, and
 533       # so weak that their functioning should not be impacted.
 534       am__obj=conftest.${OBJEXT-o}
 535       am__minus_obj=
 536       ;;
 537     none) break ;;
 538     esac
 539     if depmode=$depmode \
 540        source=sub/conftest.c object=$am__obj \
 541        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
 542        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
 543          >/dev/null 2>conftest.err &&
 544        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
 545        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
 546        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
 547        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
 548       # icc doesn't choke on unknown options, it will just issue warnings
 549       # or remarks (even with -Werror).  So we grep stderr for any message
 550       # that says an option was ignored or not supported.
 551       # When given -MP, icc 7.0 and 7.1 complain thusly:
 552       #   icc: Command line warning: ignoring option '-M'; no argument required
 553       # The diagnosis changed in icc 8.0:
 554       #   icc: Command line remark: option '-MP' not supported
 555       if (grep 'ignoring option' conftest.err ||
 556           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
 557         am_cv_$1_dependencies_compiler_type=$depmode
 558         break
 559       fi
 560     fi
 561   done
 562
 563   cd ..
 564   rm -rf conftest.dir
 565 else
 566   am_cv_$1_dependencies_compiler_type=none
 567 fi
 568 ])
 569 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
 570 AM_CONDITIONAL([am__fastdep$1], [
 571   test "x$enable_dependency_tracking" != xno \
 572   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
 573 ])
 574
 575
 576 # AM_SET_DEPDIR
 577 # -------------
 578 # Choose a directory name for dependency files.
 579 # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
 580 AC_DEFUN([AM_SET_DEPDIR],
 581 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 582 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
 583 ])
 584
 585
 586 # AM_DEP_TRACK
 587 # ------------
 588 AC_DEFUN([AM_DEP_TRACK],
 589 [AC_ARG_ENABLE([dependency-tracking], [dnl
 590 AS_HELP_STRING(
 591   [--enable-dependency-tracking],
 592   [do not reject slow dependency extractors])
 593 AS_HELP_STRING(
 594   [--disable-dependency-tracking],
 595   [speeds up one-time build])])
 596 if test "x$enable_dependency_tracking" != xno; then
 597   am_depcomp="$ac_aux_dir/depcomp"
 598   AMDEPBACKSLASH='\'
 599   am__nodep='_no'
 600 fi
 601 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
 602 AC_SUBST([AMDEPBACKSLASH])dnl
 603 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
 604 AC_SUBST([am__nodep])dnl
 605 _AM_SUBST_NOTMAKE([am__nodep])dnl
 606 ])
 607
 608 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 609
 610 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
 611 #
 612 # This file is free software; the Free Software Foundation
 613 # gives unlimited permission to copy and/or distribute it,
 614 # with or without modifications, as long as this notice is preserved.
 615
 616
 617 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 618 # ------------------------------
 619 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 620 [{
 621   # Older Autoconf quotes --file arguments for eval, but not when files
 622   # are listed without --file.  Let's play safe and only enable the eval
 623   # if we detect the quoting.
 624   case $CONFIG_FILES in
 625   *\'*) eval set x "$CONFIG_FILES" ;;
 626   *)   set x $CONFIG_FILES ;;
 627   esac
 628   shift
 629   for mf
 630   do
 631     # Strip MF so we end up with the name of the file.
 632     mf=`echo "$mf" | sed -e 's/:.*$//'`
 633     # Check whether this is an Automake generated Makefile or not.
 634     # We used to match only the files named 'Makefile.in', but
 635     # some people rename them; so instead we look at the file content.
 636     # Grep'ing the first line is not enough: some people post-process
 637     # each Makefile.in and add a new line on top of each file to say so.
 638     # Grep'ing the whole file is not good either: AIX grep has a line
 639     # limit of 2048, but all sed's we know have understand at least 4000.
 640     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
 641       dirpart=`AS_DIRNAME("$mf")`
 642     else
 643       continue
 644     fi
 645     # Extract the definition of DEPDIR, am__include, and am__quote
 646     # from the Makefile without running 'make'.
 647     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
 648     test -z "$DEPDIR" && continue
 649     am__include=`sed -n 's/^am__include = //p' < "$mf"`
 650     test -z "$am__include" && continue
 651     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
 652     # Find all dependency output files, they are included files with
 653     # $(DEPDIR) in their names.  We invoke sed twice because it is the
 654     # simplest approach to changing $(DEPDIR) to its actual value in the
 655     # expansion.
 656     for file in `sed -n "
 657       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
 658          sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
 659       # Make sure the directory exists.
 660       test -f "$dirpart/$file" && continue
 661       fdir=`AS_DIRNAME(["$file"])`
 662       AS_MKDIR_P([$dirpart/$fdir])
 663       # echo "creating $dirpart/$file"
 664       echo '# dummy' > "$dirpart/$file"
 665     done
 666   done
 667 }
 668 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
 669
 670
 671 # AM_OUTPUT_DEPENDENCY_COMMANDS
 672 # -----------------------------
 673 # This macro should only be invoked once -- use via AC_REQUIRE.
 674 #
 675 # This code is only required when automatic dependency tracking
 676 # is enabled.  FIXME.  This creates each '.P' file that we will
 677 # need in order to bootstrap the dependency handling code.
 678 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 679 [AC_CONFIG_COMMANDS([depfiles],
 680      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
 681      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
 682 ])
 683
 684 # Do all the work for Automake.                             -*- Autoconf -*-
 685
 686 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
 687 #
 688 # This file is free software; the Free Software Foundation
 689 # gives unlimited permission to copy and/or distribute it,
 690 # with or without modifications, as long as this notice is preserved.
 691
 692 # This macro actually does too much.  Some checks are only needed if
 693 # your package does certain things.  But this isn't really a big deal.
 694
 695 dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
 696 m4_define([AC_PROG_CC],
 697 m4_defn([AC_PROG_CC])
 698 [_AM_PROG_CC_C_O
 699 ])
 700
 701 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
 702 # AM_INIT_AUTOMAKE([OPTIONS])
 703 # -----------------------------------------------
 704 # The call with PACKAGE and VERSION arguments is the old style
 705 # call (pre autoconf-2.50), which is being phased out.  PACKAGE
 706 # and VERSION should now be passed to AC_INIT and removed from
 707 # the call to AM_INIT_AUTOMAKE.
 708 # We support both call styles for the transition.  After
 709 # the next Automake release, Autoconf can make the AC_INIT
 710 # arguments mandatory, and then we can depend on a new Autoconf
 711 # release and drop the old call support.
 712 AC_DEFUN([AM_INIT_AUTOMAKE],
 713 [AC_PREREQ([2.65])dnl
 714 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 715 dnl the ones we care about.
 716 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
 717 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
 718 AC_REQUIRE([AC_PROG_INSTALL])dnl
 719 if test "`cd $srcdir && pwd`" != "`pwd`"; then
 720   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
 721   # is not polluted with repeated "-I."
 722   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
 723   # test to see if srcdir already configured
 724   if test -f $srcdir/config.status; then
 725     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 726   fi
 727 fi
 728
 729 # test whether we have cygpath
 730 if test -z "$CYGPATH_W"; then
 731   if (cygpath --version) >/dev/null 2>/dev/null; then
 732     CYGPATH_W='cygpath -w'
 733   else
 734     CYGPATH_W=echo
 735   fi
 736 fi
 737 AC_SUBST([CYGPATH_W])
 738
 739 # Define the identity of the package.
 740 dnl Distinguish between old-style and new-style calls.
 741 m4_ifval([$2],
 742 [AC_DIAGNOSE([obsolete],
 743              [$0: two- and three-arguments forms are deprecated.])
 744 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 745  AC_SUBST([PACKAGE], [$1])dnl
 746  AC_SUBST([VERSION], [$2])],
 747 [_AM_SET_OPTIONS([$1])dnl
 748 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
 749 m4_if(
 750   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
 751   [ok:ok],,
 752   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
 753  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 754  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 755
 756 _AM_IF_OPTION([no-define],,
 757 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 758  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
 759
 760 # Some tools Automake needs.
 761 AC_REQUIRE([AM_SANITY_CHECK])dnl
 762 AC_REQUIRE([AC_ARG_PROGRAM])dnl
 763 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
 764 AM_MISSING_PROG([AUTOCONF], [autoconf])
 765 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
 766 AM_MISSING_PROG([AUTOHEADER], [autoheader])
 767 AM_MISSING_PROG([MAKEINFO], [makeinfo])
 768 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 769 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 770 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
 771 # For better backward compatibility.  To be removed once Automake 1.9.x
 772 # dies out for good.  For more background, see:
 773 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
 774 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 775 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 776 # We need awk for the "check" target.  The system "awk" is bad on
 777 # some platforms.
 778 AC_REQUIRE([AC_PROG_AWK])dnl
 779 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 780 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 781 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
 782               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
 783                              [_AM_PROG_TAR([v7])])])
 784 _AM_IF_OPTION([no-dependencies],,
 785 [AC_PROVIDE_IFELSE([AC_PROG_CC],
 786                   [_AM_DEPENDENCIES([CC])],
 787                   [m4_define([AC_PROG_CC],
 788                              m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
 789 AC_PROVIDE_IFELSE([AC_PROG_CXX],
 790                   [_AM_DEPENDENCIES([CXX])],
 791                   [m4_define([AC_PROG_CXX],
 792                              m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
 793 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
 794                   [_AM_DEPENDENCIES([OBJC])],
 795                   [m4_define([AC_PROG_OBJC],
 796                              m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
 797 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
 798                   [_AM_DEPENDENCIES([OBJCXX])],
 799                   [m4_define([AC_PROG_OBJCXX],
 800                              m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
 801 ])
 802 AC_REQUIRE([AM_SILENT_RULES])dnl
 803 dnl The testsuite driver may need to know about EXEEXT, so add the
 804 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
 805 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
 806 AC_CONFIG_COMMANDS_PRE(dnl
 807 [m4_provide_if([_AM_COMPILER_EXEEXT],
 808   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 809
 810 # POSIX will say in a future version that running "rm -f" with no argument
 811 # is OK; and we want to be able to make that assumption in our Makefile
 812 # recipes.  So use an aggressive probe to check that the usage we want is
 813 # actually supported "in the wild" to an acceptable degree.
 814 # See automake bug#10828.
 815 # To make any issue more visible, cause the running configure to be aborted
 816 # by default if the 'rm' program in use doesn't match our expectations; the
 817 # user can still override this though.
 818 if rm -f && rm -fr && rm -rf; then : OK; else
 819   cat >&2 <<'END'
 820 Oops!
 821
 822 Your 'rm' program seems unable to run without file operands specified
 823 on the command line, even when the '-f' option is present.  This is contrary
 824 to the behaviour of most rm programs out there, and not conforming with
 825 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
 826
 827 Please tell bug-automake@gnu.org about your system, including the value
 828 of your $PATH and any error possibly output before this message.  This
 829 can help us improve future automake versions.
 830
 831 END
 832   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
 833     echo 'Configuration will proceed anyway, since you have set the' >&2
 834     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
 835     echo >&2
 836   else
 837     cat >&2 <<'END'
 838 Aborting the configuration process, to ensure you take notice of the issue.
 839
 840 You can download and install GNU coreutils to get an 'rm' implementation
 841 that behaves properly: <http://www.gnu.org/software/coreutils/>.
 842
 843 If you want to complete the configuration process using your problematic
 844 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
 845 to "yes", and re-run configure.
 846
 847 END
 848     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
 849   fi
 850 fi
 851 ])
 852
 853 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
 854 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
 855 dnl mangled by Autoconf and run in a shell conditional statement.
 856 m4_define([_AC_COMPILER_EXEEXT],
 857 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
 858
 859 # When config.status generates a header, we must update the stamp-h file.
 860 # This file resides in the same directory as the config header
 861 # that is generated.  The stamp files are numbered to have different names.
 862
 863 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
 864 # loop where config.status creates the headers, so we can generate
 865 # our stamp files there.
 866 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
 867 [# Compute $1's index in $config_headers.
 868 _am_arg=$1
 869 _am_stamp_count=1
 870 for _am_header in $config_headers :; do
 871   case $_am_header in
 872     $_am_arg | $_am_arg:* )
 873       break ;;
 874     * )
 875       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
 876   esac
 877 done
 878 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 879
 880 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
 881 #
 882 # This file is free software; the Free Software Foundation
 883 # gives unlimited permission to copy and/or distribute it,
 884 # with or without modifications, as long as this notice is preserved.
 885
 886 # AM_PROG_INSTALL_SH
 887 # ------------------
 888 # Define $install_sh.
 889 AC_DEFUN([AM_PROG_INSTALL_SH],
 890 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 891 if test x"${install_sh}" != xset; then
 892   case $am_aux_dir in
 893   *\ * | *\     *)
 894     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
 895   *)
 896     install_sh="\${SHELL} $am_aux_dir/install-sh"
 897   esac
 898 fi
 899 AC_SUBST([install_sh])])
 900
 901 # Copyright (C) 2003-2013 Free Software Foundation, Inc.
 902 #
 903 # This file is free software; the Free Software Foundation
 904 # gives unlimited permission to copy and/or distribute it,
 905 # with or without modifications, as long as this notice is preserved.
 906
 907 # Check whether the underlying file-system supports filenames
 908 # with a leading dot.  For instance MS-DOS doesn't.
 909 AC_DEFUN([AM_SET_LEADING_DOT],
 910 [rm -rf .tst 2>/dev/null
 911 mkdir .tst 2>/dev/null
 912 if test -d .tst; then
 913   am__leading_dot=.
 914 else
 915   am__leading_dot=_
 916 fi
 917 rmdir .tst 2>/dev/null
 918 AC_SUBST([am__leading_dot])])
 919
 920 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 921 # From Jim Meyering
 922
 923 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
 924 #
 925 # This file is free software; the Free Software Foundation
 926 # gives unlimited permission to copy and/or distribute it,
 927 # with or without modifications, as long as this notice is preserved.
 928
 929 # AM_MAINTAINER_MODE([DEFAULT-MODE])
 930 # ----------------------------------
 931 # Control maintainer-specific portions of Makefiles.
 932 # Default is to disable them, unless 'enable' is passed literally.
 933 # For symmetry, 'disable' may be passed as well.  Anyway, the user
 934 # can override the default with the --enable/--disable switch.
 935 AC_DEFUN([AM_MAINTAINER_MODE],
 936 [m4_case(m4_default([$1], [disable]),
 937        [enable], [m4_define([am_maintainer_other], [disable])],
 938        [disable], [m4_define([am_maintainer_other], [enable])],
 939        [m4_define([am_maintainer_other], [enable])
 940         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
 941 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 942   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
 943   AC_ARG_ENABLE([maintainer-mode],
 944     [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
 945       am_maintainer_other[ make rules and dependencies not useful
 946       (and sometimes confusing) to the casual installer])],
 947     [USE_MAINTAINER_MODE=$enableval],
 948     [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
 949   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
 950   AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
 951   MAINT=$MAINTAINER_MODE_TRUE
 952   AC_SUBST([MAINT])dnl
 953 ]
 954 )
 955
 956 # Check to see how 'make' treats includes.                  -*- Autoconf -*-
 957
 958 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
 959 #
 960 # This file is free software; the Free Software Foundation
 961 # gives unlimited permission to copy and/or distribute it,
 962 # with or without modifications, as long as this notice is preserved.
 963
 964 # AM_MAKE_INCLUDE()
 965 # -----------------
 966 # Check to see how make treats includes.
 967 AC_DEFUN([AM_MAKE_INCLUDE],
 968 [am_make=${MAKE-make}
 969 cat > confinc << 'END'
 970 am__doit:
 971         @echo this is the am__doit target
 972 .PHONY: am__doit
 973 END
 974 # If we don't find an include directive, just comment out the code.
 975 AC_MSG_CHECKING([for style of include used by $am_make])
 976 am__include="#"
 977 am__quote=
 978 _am_result=none
 979 # First try GNU make style include.
 980 echo "include confinc" > confmf
 981 # Ignore all kinds of additional output from 'make'.
 982 case `$am_make -s -f confmf 2> /dev/null` in #(
 983 *the\ am__doit\ target*)
 984   am__include=include
 985   am__quote=
 986   _am_result=GNU
 987   ;;
 988 esac
 989 # Now try BSD make style include.
 990 if test "$am__include" = "#"; then
 991    echo '.include "confinc"' > confmf
 992    case `$am_make -s -f confmf 2> /dev/null` in #(
 993    *the\ am__doit\ target*)
 994      am__include=.include
 995      am__quote="\""
 996      _am_result=BSD
 997      ;;
 998    esac
 999 fi
1000 AC_SUBST([am__include])
1001 AC_SUBST([am__quote])
1002 AC_MSG_RESULT([$_am_result])
1003 rm -f confinc confmf
1004 ])
1005
1006 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
1007
1008 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
1009 #
1010 # This file is free software; the Free Software Foundation
1011 # gives unlimited permission to copy and/or distribute it,
1012 # with or without modifications, as long as this notice is preserved.
1013
1014 # AM_MISSING_PROG(NAME, PROGRAM)
1015 # ------------------------------
1016 AC_DEFUN([AM_MISSING_PROG],
1017 [AC_REQUIRE([AM_MISSING_HAS_RUN])
1018 $1=${$1-"${am_missing_run}$2"}
1019 AC_SUBST($1)])
1020
1021 # AM_MISSING_HAS_RUN
1022 # ------------------
1023 # Define MISSING if not defined so far and test if it is modern enough.
1024 # If it is, set am_missing_run to use it, otherwise, to nothing.
1025 AC_DEFUN([AM_MISSING_HAS_RUN],
1026 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1027 AC_REQUIRE_AUX_FILE([missing])dnl
1028 if test x"${MISSING+set}" != xset; then
1029   case $am_aux_dir in
1030   *\ * | *\     *)
1031     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
1032   *)
1033     MISSING="\${SHELL} $am_aux_dir/missing" ;;
1034   esac
1035 fi
1036 # Use eval to expand $SHELL
1037 if eval "$MISSING --is-lightweight"; then
1038   am_missing_run="$MISSING "
1039 else
1040   am_missing_run=
1041   AC_MSG_WARN(['missing' script is too old or missing])
1042 fi
1043 ])
1044
1045 # Helper functions for option handling.                     -*- Autoconf -*-
1046
1047 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
1048 #
1049 # This file is free software; the Free Software Foundation
1050 # gives unlimited permission to copy and/or distribute it,
1051 # with or without modifications, as long as this notice is preserved.
1052
1053 # _AM_MANGLE_OPTION(NAME)
1054 # -----------------------
1055 AC_DEFUN([_AM_MANGLE_OPTION],
1056 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
1057
1058 # _AM_SET_OPTION(NAME)
1059 # --------------------
1060 # Set option NAME.  Presently that only means defining a flag for this option.
1061 AC_DEFUN([_AM_SET_OPTION],
1062 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
1063
1064 # _AM_SET_OPTIONS(OPTIONS)
1065 # ------------------------
1066 # OPTIONS is a space-separated list of Automake options.
1067 AC_DEFUN([_AM_SET_OPTIONS],
1068 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1069
1070 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
1071 # -------------------------------------------
1072 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
1073 AC_DEFUN([_AM_IF_OPTION],
1074 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
1075
1076 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
1077 #
1078 # This file is free software; the Free Software Foundation
1079 # gives unlimited permission to copy and/or distribute it,
1080 # with or without modifications, as long as this notice is preserved.
1081
1082 # _AM_PROG_CC_C_O
1083 # ---------------
1084 # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
1085 # to automatically call this.
1086 AC_DEFUN([_AM_PROG_CC_C_O],
1087 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1088 AC_REQUIRE_AUX_FILE([compile])dnl
1089 AC_LANG_PUSH([C])dnl
1090 AC_CACHE_CHECK(
1091   [whether $CC understands -c and -o together],
1092   [am_cv_prog_cc_c_o],
1093   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
1094   # Make sure it works both with $CC and with simple cc.
1095   # Following AC_PROG_CC_C_O, we do the test twice because some
1096   # compilers refuse to overwrite an existing .o file with -o,
1097   # though they will create one.
1098   am_cv_prog_cc_c_o=yes
1099   for am_i in 1 2; do
1100     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
1101          && test -f conftest2.$ac_objext; then
1102       : OK
1103     else
1104       am_cv_prog_cc_c_o=no
1105       break
1106     fi
1107   done
1108   rm -f core conftest*
1109   unset am_i])
1110 if test "$am_cv_prog_cc_c_o" != yes; then
1111    # Losing compiler, so override with the script.
1112    # FIXME: It is wrong to rewrite CC.
1113    # But if we don't then we get into trouble of one sort or another.
1114    # A longer-term fix would be to have automake use am__CC in this case,
1115    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
1116    CC="$am_aux_dir/compile $CC"
1117 fi
1118 AC_LANG_POP([C])])
1119
1120 # For backward compatibility.
1121 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
1122
1123 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
1124 #
1125 # This file is free software; the Free Software Foundation
1126 # gives unlimited permission to copy and/or distribute it,
1127 # with or without modifications, as long as this notice is preserved.
1128
1129 # AM_RUN_LOG(COMMAND)
1130 # -------------------
1131 # Run COMMAND, save the exit status in ac_status, and log it.
1132 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
1133 AC_DEFUN([AM_RUN_LOG],
1134 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
1135    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
1136    ac_status=$?
1137    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1138    (exit $ac_status); }])
1139
1140 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
1141
1142 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
1143 #
1144 # This file is free software; the Free Software Foundation
1145 # gives unlimited permission to copy and/or distribute it,
1146 # with or without modifications, as long as this notice is preserved.
1147
1148 # AM_SANITY_CHECK
1149 # ---------------
1150 AC_DEFUN([AM_SANITY_CHECK],
1151 [AC_MSG_CHECKING([whether build environment is sane])
1152 # Reject unsafe characters in $srcdir or the absolute working directory
1153 # name.  Accept space and tab only in the latter.
1154 am_lf='
1155 '
1156 case `pwd` in
1157   *[[\\\"\#\$\&\'\`$am_lf]]*)
1158     AC_MSG_ERROR([unsafe absolute working directory name]);;
1159 esac
1160 case $srcdir in
1161   *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
1162     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1163 esac
1164
1165 # Do 'set' in a subshell so we don't clobber the current shell's
1166 # arguments.  Must try -L first in case configure is actually a
1167 # symlink; some systems play weird games with the mod time of symlinks
1168 # (eg FreeBSD returns the mod time of the symlink's containing
1169 # directory).
1170 if (
1171    am_has_slept=no
1172    for am_try in 1 2; do
1173      echo "timestamp, slept: $am_has_slept" > conftest.file
1174      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1175      if test "$[*]" = "X"; then
1176         # -L didn't work.
1177         set X `ls -t "$srcdir/configure" conftest.file`
1178      fi
1179      if test "$[*]" != "X $srcdir/configure conftest.file" \
1180         && test "$[*]" != "X conftest.file $srcdir/configure"; then
1181
1182         # If neither matched, then we have a broken ls.  This can happen
1183         # if, for instance, CONFIG_SHELL is bash and it inherits a
1184         # broken ls alias from the environment.  This has actually
1185         # happened.  Such a system could not be considered "sane".
1186         AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
1187   alias in your environment])
1188      fi
1189      if test "$[2]" = conftest.file || test $am_try -eq 2; then
1190        break
1191      fi
1192      # Just in case.
1193      sleep 1
1194      am_has_slept=yes
1195    done
1196    test "$[2]" = conftest.file
1197    )
1198 then
1199    # Ok.
1200    :
1201 else
1202    AC_MSG_ERROR([newly created file is older than distributed files!
1203 Check your system clock])
1204 fi
1205 AC_MSG_RESULT([yes])
1206 # If we didn't sleep, we still need to ensure time stamps of config.status and
1207 # generated files are strictly newer.
1208 am_sleep_pid=
1209 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1210   ( sleep 1 ) &
1211   am_sleep_pid=$!
1212 fi
1213 AC_CONFIG_COMMANDS_PRE(
1214   [AC_MSG_CHECKING([that generated files are newer than configure])
1215    if test -n "$am_sleep_pid"; then
1216      # Hide warnings about reused PIDs.
1217      wait $am_sleep_pid 2>/dev/null
1218    fi
1219    AC_MSG_RESULT([done])])
1220 rm -f conftest.file
1221 ])
1222
1223 # Copyright (C) 2009-2013 Free Software Foundation, Inc.
1224 #
1225 # This file is free software; the Free Software Foundation
1226 # gives unlimited permission to copy and/or distribute it,
1227 # with or without modifications, as long as this notice is preserved.
1228
1229 # AM_SILENT_RULES([DEFAULT])
1230 # --------------------------
1231 # Enable less verbose build rules; with the default set to DEFAULT
1232 # ("yes" being less verbose, "no" or empty being verbose).
1233 AC_DEFUN([AM_SILENT_RULES],
1234 [AC_ARG_ENABLE([silent-rules], [dnl
1235 AS_HELP_STRING(
1236   [--enable-silent-rules],
1237   [less verbose build output (undo: "make V=1")])
1238 AS_HELP_STRING(
1239   [--disable-silent-rules],
1240   [verbose build output (undo: "make V=0")])dnl
1241 ])
1242 case $enable_silent_rules in @%:@ (((
1243   yes) AM_DEFAULT_VERBOSITY=0;;
1244    no) AM_DEFAULT_VERBOSITY=1;;
1245     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1246 esac
1247 dnl
1248 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1249 dnl do not support nested variable expansions.
1250 dnl See automake bug#9928 and bug#10237.
1251 am_make=${MAKE-make}
1252 AC_CACHE_CHECK([whether $am_make supports nested variables],
1253    [am_cv_make_support_nested_variables],
1254    [if AS_ECHO([['TRUE=$(BAR$(V))
1255 BAR0=false
1256 BAR1=true
1257 V=1
1258 am__doit:
1259         @$(TRUE)
1260 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1261   am_cv_make_support_nested_variables=yes
1262 else
1263   am_cv_make_support_nested_variables=no
1264 fi])
1265 if test $am_cv_make_support_nested_variables = yes; then
1266   dnl Using '$V' instead of '$(V)' breaks IRIX make.
1267   AM_V='$(V)'
1268   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1269 else
1270   AM_V=$AM_DEFAULT_VERBOSITY
1271   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1272 fi
1273 AC_SUBST([AM_V])dnl
1274 AM_SUBST_NOTMAKE([AM_V])dnl
1275 AC_SUBST([AM_DEFAULT_V])dnl
1276 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1277 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1278 AM_BACKSLASH='\'
1279 AC_SUBST([AM_BACKSLASH])dnl
1280 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1281 ])
1282
1283 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
1284 #
1285 # This file is free software; the Free Software Foundation
1286 # gives unlimited permission to copy and/or distribute it,
1287 # with or without modifications, as long as this notice is preserved.
1288
1289 # AM_PROG_INSTALL_STRIP
1290 # ---------------------
1291 # One issue with vendor 'install' (even GNU) is that you can't
1292 # specify the program used to strip binaries.  This is especially
1293 # annoying in cross-compiling environments, where the build's strip
1294 # is unlikely to handle the host's binaries.
1295 # Fortunately install-sh will honor a STRIPPROG variable, so we
1296 # always use install-sh in "make install-strip", and initialize
1297 # STRIPPROG with the value of the STRIP variable (set by the user).
1298 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1299 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1300 # Installed binaries are usually stripped using 'strip' when the user
1301 # run "make install-strip".  However 'strip' might not be the right
1302 # tool to use in cross-compilation environments, therefore Automake
1303 # will honor the 'STRIP' environment variable to overrule this program.
1304 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1305 if test "$cross_compiling" != no; then
1306   AC_CHECK_TOOL([STRIP], [strip], :)
1307 fi
1308 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1309 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1310
1311 # Copyright (C) 2006-2013 Free Software Foundation, Inc.
1312 #
1313 # This file is free software; the Free Software Foundation
1314 # gives unlimited permission to copy and/or distribute it,
1315 # with or without modifications, as long as this notice is preserved.
1316
1317 # _AM_SUBST_NOTMAKE(VARIABLE)
1318 # ---------------------------
1319 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1320 # This macro is traced by Automake.
1321 AC_DEFUN([_AM_SUBST_NOTMAKE])
1322
1323 # AM_SUBST_NOTMAKE(VARIABLE)
1324 # --------------------------
1325 # Public sister of _AM_SUBST_NOTMAKE.
1326 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1327
1328 # Check how to create a tarball.                            -*- Autoconf -*-
1329
1330 # Copyright (C) 2004-2013 Free Software Foundation, Inc.
1331 #
1332 # This file is free software; the Free Software Foundation
1333 # gives unlimited permission to copy and/or distribute it,
1334 # with or without modifications, as long as this notice is preserved.
1335
1336 # _AM_PROG_TAR(FORMAT)
1337 # --------------------
1338 # Check how to create a tarball in format FORMAT.
1339 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1340 #
1341 # Substitute a variable $(am__tar) that is a command
1342 # writing to stdout a FORMAT-tarball containing the directory
1343 # $tardir.
1344 #     tardir=directory && $(am__tar) > result.tar
1345 #
1346 # Substitute a variable $(am__untar) that extract such
1347 # a tarball read from stdin.
1348 #     $(am__untar) < result.tar
1349 #
1350 AC_DEFUN([_AM_PROG_TAR],
1351 [# Always define AMTAR for backward compatibility.  Yes, it's still used
1352 # in the wild :-(  We should find a proper way to deprecate it ...
1353 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1354
1355 # We'll loop over all known methods to create a tar archive until one works.
1356 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1357
1358 m4_if([$1], [v7],
1359   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1360
1361   [m4_case([$1],
1362     [ustar],
1363      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1364       # There is notably a 21 bits limit for the UID and the GID.  In fact,
1365       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1366       # and bug#13588).
1367       am_max_uid=2097151 # 2^21 - 1
1368       am_max_gid=$am_max_uid
1369       # The $UID and $GID variables are not portable, so we need to resort
1370       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
1371       # below are definitely unexpected, so allow the users to see them
1372       # (that is, avoid stderr redirection).
1373       am_uid=`id -u || echo unknown`
1374       am_gid=`id -g || echo unknown`
1375       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1376       if test $am_uid -le $am_max_uid; then
1377          AC_MSG_RESULT([yes])
1378       else
1379          AC_MSG_RESULT([no])
1380          _am_tools=none
1381       fi
1382       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1383       if test $am_gid -le $am_max_gid; then
1384          AC_MSG_RESULT([yes])
1385       else
1386         AC_MSG_RESULT([no])
1387         _am_tools=none
1388       fi],
1389
1390   [pax],
1391     [],
1392
1393   [m4_fatal([Unknown tar format])])
1394
1395   AC_MSG_CHECKING([how to create a $1 tar archive])
1396
1397   # Go ahead even if we have the value already cached.  We do so because we
1398   # need to set the values for the 'am__tar' and 'am__untar' variables.
1399   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1400
1401   for _am_tool in $_am_tools; do
1402     case $_am_tool in
1403     gnutar)
1404       for _am_tar in tar gnutar gtar; do
1405         AM_RUN_LOG([$_am_tar --version]) && break
1406       done
1407       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1408       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1409       am__untar="$_am_tar -xf -"
1410       ;;
1411     plaintar)
1412       # Must skip GNU tar: if it does not support --format= it doesn't create
1413       # ustar tarball either.
1414       (tar --version) >/dev/null 2>&1 && continue
1415       am__tar='tar chf - "$$tardir"'
1416       am__tar_='tar chf - "$tardir"'
1417       am__untar='tar xf -'
1418       ;;
1419     pax)
1420       am__tar='pax -L -x $1 -w "$$tardir"'
1421       am__tar_='pax -L -x $1 -w "$tardir"'
1422       am__untar='pax -r'
1423       ;;
1424     cpio)
1425       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1426       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1427       am__untar='cpio -i -H $1 -d'
1428       ;;
1429     none)
1430       am__tar=false
1431       am__tar_=false
1432       am__untar=false
1433       ;;
1434     esac
1435
1436     # If the value was cached, stop now.  We just wanted to have am__tar
1437     # and am__untar set.
1438     test -n "${am_cv_prog_tar_$1}" && break
1439
1440     # tar/untar a dummy directory, and stop if the command works.
1441     rm -rf conftest.dir
1442     mkdir conftest.dir
1443     echo GrepMe > conftest.dir/file
1444     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1445     rm -rf conftest.dir
1446     if test -s conftest.tar; then
1447       AM_RUN_LOG([$am__untar <conftest.tar])
1448       AM_RUN_LOG([cat conftest.dir/file])
1449       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1450     fi
1451   done
1452   rm -rf conftest.dir
1453
1454   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1455   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1456
1457 AC_SUBST([am__tar])
1458 AC_SUBST([am__untar])
1459 ]) # _AM_PROG_TAR
1460