gprofng/aclocal.m4

   1 # generated automatically by aclocal 1.15.1 -*- Autoconf -*-
   2
   3 # Copyright (C) 1996-2017 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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  21 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
  22
  23 # Copyright (C) 2002-2017 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)
  30 # ----------------------------
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  58
  59 # Copyright (C) 2011-2017 Free Software Foundation, Inc.
  60 #
  61 # This file is free software; the Free Software Foundation
  62 # gives unlimited permission to copy and/or distribute it,
  63 # with or without modifications, as long as this notice is preserved.
  64
  65 # AM_PROG_AR([ACT-IF-FAIL])
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  90           am_cv_ar_interface=lib
  91         else
  92           am_cv_ar_interface=unknown
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 100 ar)
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 118
 119 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 120
 121 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
 122 #
 123 # This file is free software; the Free Software Foundation
 124 # gives unlimited permission to copy and/or distribute it,
 125 # with or without modifications, as long as this notice is preserved.
 126
 127 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
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 132 # tool from the auxiliary directory.  The problem is that $srcdir (and
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 134 # depending on how configure is run.  This is pretty annoying, since
 135 # it makes $ac_aux_dir quite unusable in subdirectories: in the top
 136 # source directory, any form will work fine, but in subdirectories a
 137 # relative path needs to be adjusted first.
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 144 #          a relative $ac_aux_dir
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 148 # harmless because $srcdir is '.', but things will broke when you
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 153 #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
 154 # and then we would define $MISSING as
 155 #   MISSING="\${SHELL} $am_aux_dir/missing"
 156 # This will work as long as MISSING is not called from configure, because
 157 # unfortunately $(top_srcdir) has no meaning in configure.
 158 # However there are other variables, like CC, which are often used in
 159 # configure, and could therefore not use this "fixed" $ac_aux_dir.
 160 #
 161 # Another solution, used here, is to always expand $ac_aux_dir to an
 162 # absolute PATH.  The drawback is that using absolute paths prevent a
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 164
 165 AC_DEFUN([AM_AUX_DIR_EXPAND],
 166 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
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 168 am_aux_dir=`cd "$ac_aux_dir" && pwd`
 169 ])
 170
 171 # AM_CONDITIONAL                                            -*- Autoconf -*-
 172
 173 # Copyright (C) 1997-2017 Free Software Foundation, Inc.
 174 #
 175 # This file is free software; the Free Software Foundation
 176 # gives unlimited permission to copy and/or distribute it,
 177 # with or without modifications, as long as this notice is preserved.
 178
 179 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 180 # -------------------------------------
 181 # Define a conditional.
 182 AC_DEFUN([AM_CONDITIONAL],
 183 [AC_PREREQ([2.52])dnl
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 188 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
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 192   $1_TRUE=
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 199 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
 200   AC_MSG_ERROR([[conditional "$1" was never defined.
 201 Usually this means the macro was only invoked conditionally.]])
 202 fi])])
 203
 204 # Copyright (C) 1999-2017 Free Software Foundation, Inc.
 205 #
 206 # This file is free software; the Free Software Foundation
 207 # gives unlimited permission to copy and/or distribute it,
 208 # with or without modifications, as long as this notice is preserved.
 209
 210
 211 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
 212 # written in clear, in which case automake, when reading aclocal.m4,
 213 # will think it sees a *use*, and therefore will trigger all it's
 214 # C support machinery.  Also note that it means that autoscan, seeing
 215 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
 216
 217
 218 # _AM_DEPENDENCIES(NAME)
 219 # ----------------------
 220 # See how the compiler implements dependency checking.
 221 # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
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 223 #
 224 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
 225 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
 226 # dependency, and given that the user is not expected to run this macro,
 227 # just rely on AC_PROG_CC.
 228 AC_DEFUN([_AM_DEPENDENCIES],
 229 [AC_REQUIRE([AM_SET_DEPDIR])dnl
 230 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
 231 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
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 233
 234 m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
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 241
 242 AC_CACHE_CHECK([dependency style of $depcc],
 243                [am_cv_$1_dependencies_compiler_type],
 244 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
 245   # We make a subdir and do the tests there.  Otherwise we can end up
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 247   # instance it was reported that on HP-UX the gcc test will end up
 248   # making a dummy file named 'D' -- because '-MD' means "put the output
 249   # in D".
 250   rm -rf conftest.dir
 251   mkdir conftest.dir
 252   # Copy depcomp to subdir because otherwise we won't find it if we're
 253   # using a relative directory.
 254   cp "$am_depcomp" conftest.dir
 255   cd conftest.dir
 256   # We will build objects and dependencies in a subdirectory because
 257   # it helps to detect inapplicable dependency modes.  For instance
 258   # both Tru64's cc and ICC support -MD to output dependencies as a
 259   # side effect of compilation, but ICC will put the dependencies in
 260   # the current directory while Tru64 will put them in the object
 261   # directory.
 262   mkdir sub
 263
 264   am_cv_$1_dependencies_compiler_type=none
 265   if test "$am_compiler_list" = ""; then
 266      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
 267   fi
 268   am__universal=false
 269   m4_case([$1], [CC],
 270     [case " $depcc " in #(
 271      *\ -arch\ *\ -arch\ *) am__universal=true ;;
 272      esac],
 273     [CXX],
 274     [case " $depcc " in #(
 275      *\ -arch\ *\ -arch\ *) am__universal=true ;;
 276      esac])
 277
 278   for depmode in $am_compiler_list; do
 279     # Setup a source with many dependencies, because some compilers
 280     # like to wrap large dependency lists on column 80 (with \), and
 281     # we should not choose a depcomp mode which is confused by this.
 282     #
 283     # We need to recreate these files for each test, as the compiler may
 284     # overwrite some of them when testing with obscure command lines.
 285     # This happens at least with the AIX C compiler.
 286     : > sub/conftest.c
 287     for i in 1 2 3 4 5 6; do
 288       echo '#include "conftst'$i'.h"' >> sub/conftest.c
 289       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
 290       # Solaris 10 /bin/sh.
 291       echo '/* dummy */' > sub/conftst$i.h
 292     done
 293     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 294
 295     # We check with '-c' and '-o' for the sake of the "dashmstdout"
 296     # mode.  It turns out that the SunPro C++ compiler does not properly
 297     # handle '-M -o', and we need to detect this.  Also, some Intel
 298     # versions had trouble with output in subdirs.
 299     am__obj=sub/conftest.${OBJEXT-o}
 300     am__minus_obj="-o $am__obj"
 301     case $depmode in
 302     gcc)
 303       # This depmode causes a compiler race in universal mode.
 304       test "$am__universal" = false || continue
 305       ;;
 306     nosideeffect)
 307       # After this tag, mechanisms are not by side-effect, so they'll
 308       # only be used when explicitly requested.
 309       if test "x$enable_dependency_tracking" = xyes; then
 310         continue
 311       else
 312         break
 313       fi
 314       ;;
 315     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
 316       # This compiler won't grok '-c -o', but also, the minuso test has
 317       # not run yet.  These depmodes are late enough in the game, and
 318       # so weak that their functioning should not be impacted.
 319       am__obj=conftest.${OBJEXT-o}
 320       am__minus_obj=
 321       ;;
 322     none) break ;;
 323     esac
 324     if depmode=$depmode \
 325        source=sub/conftest.c object=$am__obj \
 326        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
 327        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
 328          >/dev/null 2>conftest.err &&
 329        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
 330        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
 331        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
 332        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
 333       # icc doesn't choke on unknown options, it will just issue warnings
 334       # or remarks (even with -Werror).  So we grep stderr for any message
 335       # that says an option was ignored or not supported.
 336       # When given -MP, icc 7.0 and 7.1 complain thusly:
 337       #   icc: Command line warning: ignoring option '-M'; no argument required
 338       # The diagnosis changed in icc 8.0:
 339       #   icc: Command line remark: option '-MP' not supported
 340       if (grep 'ignoring option' conftest.err ||
 341           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
 342         am_cv_$1_dependencies_compiler_type=$depmode
 343         break
 344       fi
 345     fi
 346   done
 347
 348   cd ..
 349   rm -rf conftest.dir
 350 else
 351   am_cv_$1_dependencies_compiler_type=none
 352 fi
 353 ])
 354 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
 355 AM_CONDITIONAL([am__fastdep$1], [
 356   test "x$enable_dependency_tracking" != xno \
 357   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
 358 ])
 359
 360
 361 # AM_SET_DEPDIR
 362 # -------------
 363 # Choose a directory name for dependency files.
 364 # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
 365 AC_DEFUN([AM_SET_DEPDIR],
 366 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 367 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
 368 ])
 369
 370
 371 # AM_DEP_TRACK
 372 # ------------
 373 AC_DEFUN([AM_DEP_TRACK],
 374 [AC_ARG_ENABLE([dependency-tracking], [dnl
 375 AS_HELP_STRING(
 376   [--enable-dependency-tracking],
 377   [do not reject slow dependency extractors])
 378 AS_HELP_STRING(
 379   [--disable-dependency-tracking],
 380   [speeds up one-time build])])
 381 if test "x$enable_dependency_tracking" != xno; then
 382   am_depcomp="$ac_aux_dir/depcomp"
 383   AMDEPBACKSLASH='\'
 384   am__nodep='_no'
 385 fi
 386 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
 387 AC_SUBST([AMDEPBACKSLASH])dnl
 388 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
 389 AC_SUBST([am__nodep])dnl
 390 _AM_SUBST_NOTMAKE([am__nodep])dnl
 391 ])
 392
 393 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 394
 395 # Copyright (C) 1999-2017 Free Software Foundation, Inc.
 396 #
 397 # This file is free software; the Free Software Foundation
 398 # gives unlimited permission to copy and/or distribute it,
 399 # with or without modifications, as long as this notice is preserved.
 400
 401
 402 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 403 # ------------------------------
 404 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 405 [{
 406   # Older Autoconf quotes --file arguments for eval, but not when files
 407   # are listed without --file.  Let's play safe and only enable the eval
 408   # if we detect the quoting.
 409   case $CONFIG_FILES in
 410   *\'*) eval set x "$CONFIG_FILES" ;;
 411   *)   set x $CONFIG_FILES ;;
 412   esac
 413   shift
 414   for mf
 415   do
 416     # Strip MF so we end up with the name of the file.
 417     mf=`echo "$mf" | sed -e 's/:.*$//'`
 418     # Check whether this is an Automake generated Makefile or not.
 419     # We used to match only the files named 'Makefile.in', but
 420     # some people rename them; so instead we look at the file content.
 421     # Grep'ing the first line is not enough: some people post-process
 422     # each Makefile.in and add a new line on top of each file to say so.
 423     # Grep'ing the whole file is not good either: AIX grep has a line
 424     # limit of 2048, but all sed's we know have understand at least 4000.
 425     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
 426       dirpart=`AS_DIRNAME("$mf")`
 427     else
 428       continue
 429     fi
 430     # Extract the definition of DEPDIR, am__include, and am__quote
 431     # from the Makefile without running 'make'.
 432     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
 433     test -z "$DEPDIR" && continue
 434     am__include=`sed -n 's/^am__include = //p' < "$mf"`
 435     test -z "$am__include" && continue
 436     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
 437     # Find all dependency output files, they are included files with
 438     # $(DEPDIR) in their names.  We invoke sed twice because it is the
 439     # simplest approach to changing $(DEPDIR) to its actual value in the
 440     # expansion.
 441     for file in `sed -n "
 442       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
 443          sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
 444       # Make sure the directory exists.
 445       test -f "$dirpart/$file" && continue
 446       fdir=`AS_DIRNAME(["$file"])`
 447       AS_MKDIR_P([$dirpart/$fdir])
 448       # echo "creating $dirpart/$file"
 449       echo '# dummy' > "$dirpart/$file"
 450     done
 451   done
 452 }
 453 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
 454
 455
 456 # AM_OUTPUT_DEPENDENCY_COMMANDS
 457 # -----------------------------
 458 # This macro should only be invoked once -- use via AC_REQUIRE.
 459 #
 460 # This code is only required when automatic dependency tracking
 461 # is enabled.  FIXME.  This creates each '.P' file that we will
 462 # need in order to bootstrap the dependency handling code.
 463 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 464 [AC_CONFIG_COMMANDS([depfiles],
 465      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
 466      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
 467 ])
 468
 469 # Do all the work for Automake.                             -*- Autoconf -*-
 470
 471 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
 472 #
 473 # This file is free software; the Free Software Foundation
 474 # gives unlimited permission to copy and/or distribute it,
 475 # with or without modifications, as long as this notice is preserved.
 476
 477 # This macro actually does too much.  Some checks are only needed if
 478 # your package does certain things.  But this isn't really a big deal.
 479
 480 dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
 481 m4_define([AC_PROG_CC],
 482 m4_defn([AC_PROG_CC])
 483 [_AM_PROG_CC_C_O
 484 ])
 485
 486 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
 487 # AM_INIT_AUTOMAKE([OPTIONS])
 488 # -----------------------------------------------
 489 # The call with PACKAGE and VERSION arguments is the old style
 490 # call (pre autoconf-2.50), which is being phased out.  PACKAGE
 491 # and VERSION should now be passed to AC_INIT and removed from
 492 # the call to AM_INIT_AUTOMAKE.
 493 # We support both call styles for the transition.  After
 494 # the next Automake release, Autoconf can make the AC_INIT
 495 # arguments mandatory, and then we can depend on a new Autoconf
 496 # release and drop the old call support.
 497 AC_DEFUN([AM_INIT_AUTOMAKE],
 498 [AC_PREREQ([2.65])dnl
 499 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 500 dnl the ones we care about.
 501 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
 502 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
 503 AC_REQUIRE([AC_PROG_INSTALL])dnl
 504 if test "`cd $srcdir && pwd`" != "`pwd`"; then
 505   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
 506   # is not polluted with repeated "-I."
 507   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
 508   # test to see if srcdir already configured
 509   if test -f $srcdir/config.status; then
 510     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 511   fi
 512 fi
 513
 514 # test whether we have cygpath
 515 if test -z "$CYGPATH_W"; then
 516   if (cygpath --version) >/dev/null 2>/dev/null; then
 517     CYGPATH_W='cygpath -w'
 518   else
 519     CYGPATH_W=echo
 520   fi
 521 fi
 522 AC_SUBST([CYGPATH_W])
 523
 524 # Define the identity of the package.
 525 dnl Distinguish between old-style and new-style calls.
 526 m4_ifval([$2],
 527 [AC_DIAGNOSE([obsolete],
 528              [$0: two- and three-arguments forms are deprecated.])
 529 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
 530  AC_SUBST([PACKAGE], [$1])dnl
 531  AC_SUBST([VERSION], [$2])],
 532 [_AM_SET_OPTIONS([$1])dnl
 533 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
 534 m4_if(
 535   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
 536   [ok:ok],,
 537   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
 538  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
 539  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 540
 541 _AM_IF_OPTION([no-define],,
 542 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
 543  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
 544
 545 # Some tools Automake needs.
 546 AC_REQUIRE([AM_SANITY_CHECK])dnl
 547 AC_REQUIRE([AC_ARG_PROGRAM])dnl
 548 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
 549 AM_MISSING_PROG([AUTOCONF], [autoconf])
 550 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
 551 AM_MISSING_PROG([AUTOHEADER], [autoheader])
 552 AM_MISSING_PROG([MAKEINFO], [makeinfo])
 553 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
 554 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 555 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
 556 # For better backward compatibility.  To be removed once Automake 1.9.x
 557 # dies out for good.  For more background, see:
 558 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
 559 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 560 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 561 # We need awk for the "check" target (and possibly the TAP driver).  The
 562 # system "awk" is bad on some platforms.
 563 AC_REQUIRE([AC_PROG_AWK])dnl
 564 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 565 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 566 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
 567               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
 568                              [_AM_PROG_TAR([v7])])])
 569 _AM_IF_OPTION([no-dependencies],,
 570 [AC_PROVIDE_IFELSE([AC_PROG_CC],
 571                   [_AM_DEPENDENCIES([CC])],
 572                   [m4_define([AC_PROG_CC],
 573                              m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
 574 AC_PROVIDE_IFELSE([AC_PROG_CXX],
 575                   [_AM_DEPENDENCIES([CXX])],
 576                   [m4_define([AC_PROG_CXX],
 577                              m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
 578 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
 579                   [_AM_DEPENDENCIES([OBJC])],
 580                   [m4_define([AC_PROG_OBJC],
 581                              m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
 582 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
 583                   [_AM_DEPENDENCIES([OBJCXX])],
 584                   [m4_define([AC_PROG_OBJCXX],
 585                              m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
 586 ])
 587 AC_REQUIRE([AM_SILENT_RULES])dnl
 588 dnl The testsuite driver may need to know about EXEEXT, so add the
 589 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
 590 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
 591 AC_CONFIG_COMMANDS_PRE(dnl
 592 [m4_provide_if([_AM_COMPILER_EXEEXT],
 593   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 594
 595 # POSIX will say in a future version that running "rm -f" with no argument
 596 # is OK; and we want to be able to make that assumption in our Makefile
 597 # recipes.  So use an aggressive probe to check that the usage we want is
 598 # actually supported "in the wild" to an acceptable degree.
 599 # See automake bug#10828.
 600 # To make any issue more visible, cause the running configure to be aborted
 601 # by default if the 'rm' program in use doesn't match our expectations; the
 602 # user can still override this though.
 603 if rm -f && rm -fr && rm -rf; then : OK; else
 604   cat >&2 <<'END'
 605 Oops!
 606
 607 Your 'rm' program seems unable to run without file operands specified
 608 on the command line, even when the '-f' option is present.  This is contrary
 609 to the behaviour of most rm programs out there, and not conforming with
 610 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
 611
 612 Please tell bug-automake@gnu.org about your system, including the value
 613 of your $PATH and any error possibly output before this message.  This
 614 can help us improve future automake versions.
 615
 616 END
 617   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
 618     echo 'Configuration will proceed anyway, since you have set the' >&2
 619     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
 620     echo >&2
 621   else
 622     cat >&2 <<'END'
 623 Aborting the configuration process, to ensure you take notice of the issue.
 624
 625 You can download and install GNU coreutils to get an 'rm' implementation
 626 that behaves properly: <http://www.gnu.org/software/coreutils/>.
 627
 628 If you want to complete the configuration process using your problematic
 629 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
 630 to "yes", and re-run configure.
 631
 632 END
 633     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
 634   fi
 635 fi
 636 dnl The trailing newline in this macro's definition is deliberate, for
 637 dnl backward compatibility and to allow trailing 'dnl'-style comments
 638 dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
 639 ])
 640
 641 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
 642 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
 643 dnl mangled by Autoconf and run in a shell conditional statement.
 644 m4_define([_AC_COMPILER_EXEEXT],
 645 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
 646
 647 # When config.status generates a header, we must update the stamp-h file.
 648 # This file resides in the same directory as the config header
 649 # that is generated.  The stamp files are numbered to have different names.
 650
 651 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
 652 # loop where config.status creates the headers, so we can generate
 653 # our stamp files there.
 654 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
 655 [# Compute $1's index in $config_headers.
 656 _am_arg=$1
 657 _am_stamp_count=1
 658 for _am_header in $config_headers :; do
 659   case $_am_header in
 660     $_am_arg | $_am_arg:* )
 661       break ;;
 662     * )
 663       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
 664   esac
 665 done
 666 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 667
 668 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
 669 #
 670 # This file is free software; the Free Software Foundation
 671 # gives unlimited permission to copy and/or distribute it,
 672 # with or without modifications, as long as this notice is preserved.
 673
 674 # AM_PROG_INSTALL_SH
 675 # ------------------
 676 # Define $install_sh.
 677 AC_DEFUN([AM_PROG_INSTALL_SH],
 678 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 679 if test x"${install_sh+set}" != xset; then
 680   case $am_aux_dir in
 681   *\ * | *\     *)
 682     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
 683   *)
 684     install_sh="\${SHELL} $am_aux_dir/install-sh"
 685   esac
 686 fi
 687 AC_SUBST([install_sh])])
 688
 689 # Copyright (C) 2003-2017 Free Software Foundation, Inc.
 690 #
 691 # This file is free software; the Free Software Foundation
 692 # gives unlimited permission to copy and/or distribute it,
 693 # with or without modifications, as long as this notice is preserved.
 694
 695 # Check whether the underlying file-system supports filenames
 696 # with a leading dot.  For instance MS-DOS doesn't.
 697 AC_DEFUN([AM_SET_LEADING_DOT],
 698 [rm -rf .tst 2>/dev/null
 699 mkdir .tst 2>/dev/null
 700 if test -d .tst; then
 701   am__leading_dot=.
 702 else
 703   am__leading_dot=_
 704 fi
 705 rmdir .tst 2>/dev/null
 706 AC_SUBST([am__leading_dot])])
 707
 708 # Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
 709 # From Jim Meyering
 710
 711 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
 712 #
 713 # This file is free software; the Free Software Foundation
 714 # gives unlimited permission to copy and/or distribute it,
 715 # with or without modifications, as long as this notice is preserved.
 716
 717 # AM_MAINTAINER_MODE([DEFAULT-MODE])
 718 # ----------------------------------
 719 # Control maintainer-specific portions of Makefiles.
 720 # Default is to disable them, unless 'enable' is passed literally.
 721 # For symmetry, 'disable' may be passed as well.  Anyway, the user
 722 # can override the default with the --enable/--disable switch.
 723 AC_DEFUN([AM_MAINTAINER_MODE],
 724 [m4_case(m4_default([$1], [disable]),
 725        [enable], [m4_define([am_maintainer_other], [disable])],
 726        [disable], [m4_define([am_maintainer_other], [enable])],
 727        [m4_define([am_maintainer_other], [enable])
 728         m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
 729 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 730   dnl maintainer-mode's default is 'disable' unless 'enable' is passed
 731   AC_ARG_ENABLE([maintainer-mode],
 732     [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
 733       am_maintainer_other[ make rules and dependencies not useful
 734       (and sometimes confusing) to the casual installer])],
 735     [USE_MAINTAINER_MODE=$enableval],
 736     [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
 737   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
 738   AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
 739   MAINT=$MAINTAINER_MODE_TRUE
 740   AC_SUBST([MAINT])dnl
 741 ]
 742 )
 743
 744 # Check to see how 'make' treats includes.                  -*- Autoconf -*-
 745
 746 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
 747 #
 748 # This file is free software; the Free Software Foundation
 749 # gives unlimited permission to copy and/or distribute it,
 750 # with or without modifications, as long as this notice is preserved.
 751
 752 # AM_MAKE_INCLUDE()
 753 # -----------------
 754 # Check to see how make treats includes.
 755 AC_DEFUN([AM_MAKE_INCLUDE],
 756 [am_make=${MAKE-make}
 757 cat > confinc << 'END'
 758 am__doit:
 759         @echo this is the am__doit target
 760 .PHONY: am__doit
 761 END
 762 # If we don't find an include directive, just comment out the code.
 763 AC_MSG_CHECKING([for style of include used by $am_make])
 764 am__include="#"
 765 am__quote=
 766 _am_result=none
 767 # First try GNU make style include.
 768 echo "include confinc" > confmf
 769 # Ignore all kinds of additional output from 'make'.
 770 case `$am_make -s -f confmf 2> /dev/null` in #(
 771 *the\ am__doit\ target*)
 772   am__include=include
 773   am__quote=
 774   _am_result=GNU
 775   ;;
 776 esac
 777 # Now try BSD make style include.
 778 if test "$am__include" = "#"; then
 779    echo '.include "confinc"' > confmf
 780    case `$am_make -s -f confmf 2> /dev/null` in #(
 781    *the\ am__doit\ target*)
 782      am__include=.include
 783      am__quote="\""
 784      _am_result=BSD
 785      ;;
 786    esac
 787 fi
 788 AC_SUBST([am__include])
 789 AC_SUBST([am__quote])
 790 AC_MSG_RESULT([$_am_result])
 791 rm -f confinc confmf
 792 ])
 793
 794 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 795
 796 # Copyright (C) 1997-2017 Free Software Foundation, Inc.
 797 #
 798 # This file is free software; the Free Software Foundation
 799 # gives unlimited permission to copy and/or distribute it,
 800 # with or without modifications, as long as this notice is preserved.
 801
 802 # AM_MISSING_PROG(NAME, PROGRAM)
 803 # ------------------------------
 804 AC_DEFUN([AM_MISSING_PROG],
 805 [AC_REQUIRE([AM_MISSING_HAS_RUN])
 806 $1=${$1-"${am_missing_run}$2"}
 807 AC_SUBST($1)])
 808
 809 # AM_MISSING_HAS_RUN
 810 # ------------------
 811 # Define MISSING if not defined so far and test if it is modern enough.
 812 # If it is, set am_missing_run to use it, otherwise, to nothing.
 813 AC_DEFUN([AM_MISSING_HAS_RUN],
 814 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 815 AC_REQUIRE_AUX_FILE([missing])dnl
 816 if test x"${MISSING+set}" != xset; then
 817   case $am_aux_dir in
 818   *\ * | *\     *)
 819     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
 820   *)
 821     MISSING="\${SHELL} $am_aux_dir/missing" ;;
 822   esac
 823 fi
 824 # Use eval to expand $SHELL
 825 if eval "$MISSING --is-lightweight"; then
 826   am_missing_run="$MISSING "
 827 else
 828   am_missing_run=
 829   AC_MSG_WARN(['missing' script is too old or missing])
 830 fi
 831 ])
 832
 833 # Helper functions for option handling.                     -*- Autoconf -*-
 834
 835 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
 836 #
 837 # This file is free software; the Free Software Foundation
 838 # gives unlimited permission to copy and/or distribute it,
 839 # with or without modifications, as long as this notice is preserved.
 840
 841 # _AM_MANGLE_OPTION(NAME)
 842 # -----------------------
 843 AC_DEFUN([_AM_MANGLE_OPTION],
 844 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
 845
 846 # _AM_SET_OPTION(NAME)
 847 # --------------------
 848 # Set option NAME.  Presently that only means defining a flag for this option.
 849 AC_DEFUN([_AM_SET_OPTION],
 850 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
 851
 852 # _AM_SET_OPTIONS(OPTIONS)
 853 # ------------------------
 854 # OPTIONS is a space-separated list of Automake options.
 855 AC_DEFUN([_AM_SET_OPTIONS],
 856 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
 857
 858 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
 859 # -------------------------------------------
 860 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
 861 AC_DEFUN([_AM_IF_OPTION],
 862 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 863
 864 # Copyright (C) 1999-2017 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_PROG_CC_C_O
 871 # ---------------
 872 # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
 873 # to automatically call this.
 874 AC_DEFUN([_AM_PROG_CC_C_O],
 875 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 876 AC_REQUIRE_AUX_FILE([compile])dnl
 877 AC_LANG_PUSH([C])dnl
 878 AC_CACHE_CHECK(
 879   [whether $CC understands -c and -o together],
 880   [am_cv_prog_cc_c_o],
 881   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
 882   # Make sure it works both with $CC and with simple cc.
 883   # Following AC_PROG_CC_C_O, we do the test twice because some
 884   # compilers refuse to overwrite an existing .o file with -o,
 885   # though they will create one.
 886   am_cv_prog_cc_c_o=yes
 887   for am_i in 1 2; do
 888     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
 889          && test -f conftest2.$ac_objext; then
 890       : OK
 891     else
 892       am_cv_prog_cc_c_o=no
 893       break
 894     fi
 895   done
 896   rm -f core conftest*
 897   unset am_i])
 898 if test "$am_cv_prog_cc_c_o" != yes; then
 899    # Losing compiler, so override with the script.
 900    # FIXME: It is wrong to rewrite CC.
 901    # But if we don't then we get into trouble of one sort or another.
 902    # A longer-term fix would be to have automake use am__CC in this case,
 903    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
 904    CC="$am_aux_dir/compile $CC"
 905 fi
 906 AC_LANG_POP([C])])
 907
 908 # For backward compatibility.
 909 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
 910
 911 # Copyright (C) 2001-2017 Free Software Foundation, Inc.
 912 #
 913 # This file is free software; the Free Software Foundation
 914 # gives unlimited permission to copy and/or distribute it,
 915 # with or without modifications, as long as this notice is preserved.
 916
 917 # AM_RUN_LOG(COMMAND)
 918 # -------------------
 919 # Run COMMAND, save the exit status in ac_status, and log it.
 920 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
 921 AC_DEFUN([AM_RUN_LOG],
 922 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
 923    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
 924    ac_status=$?
 925    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
 926    (exit $ac_status); }])
 927
 928 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
 929
 930 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
 931 #
 932 # This file is free software; the Free Software Foundation
 933 # gives unlimited permission to copy and/or distribute it,
 934 # with or without modifications, as long as this notice is preserved.
 935
 936 # AM_SANITY_CHECK
 937 # ---------------
 938 AC_DEFUN([AM_SANITY_CHECK],
 939 [AC_MSG_CHECKING([whether build environment is sane])
 940 # Reject unsafe characters in $srcdir or the absolute working directory
 941 # name.  Accept space and tab only in the latter.
 942 am_lf='
 943 '
 944 case `pwd` in
 945   *[[\\\"\#\$\&\'\`$am_lf]]*)
 946     AC_MSG_ERROR([unsafe absolute working directory name]);;
 947 esac
 948 case $srcdir in
 949   *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
 950     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
 951 esac
 952
 953 # Do 'set' in a subshell so we don't clobber the current shell's
 954 # arguments.  Must try -L first in case configure is actually a
 955 # symlink; some systems play weird games with the mod time of symlinks
 956 # (eg FreeBSD returns the mod time of the symlink's containing
 957 # directory).
 958 if (
 959    am_has_slept=no
 960    for am_try in 1 2; do
 961      echo "timestamp, slept: $am_has_slept" > conftest.file
 962      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
 963      if test "$[*]" = "X"; then
 964         # -L didn't work.
 965         set X `ls -t "$srcdir/configure" conftest.file`
 966      fi
 967      if test "$[*]" != "X $srcdir/configure conftest.file" \
 968         && test "$[*]" != "X conftest.file $srcdir/configure"; then
 969
 970         # If neither matched, then we have a broken ls.  This can happen
 971         # if, for instance, CONFIG_SHELL is bash and it inherits a
 972         # broken ls alias from the environment.  This has actually
 973         # happened.  Such a system could not be considered "sane".
 974         AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 975   alias in your environment])
 976      fi
 977      if test "$[2]" = conftest.file || test $am_try -eq 2; then
 978        break
 979      fi
 980      # Just in case.
 981      sleep 1
 982      am_has_slept=yes
 983    done
 984    test "$[2]" = conftest.file
 985    )
 986 then
 987    # Ok.
 988    :
 989 else
 990    AC_MSG_ERROR([newly created file is older than distributed files!
 991 Check your system clock])
 992 fi
 993 AC_MSG_RESULT([yes])
 994 # If we didn't sleep, we still need to ensure time stamps of config.status and
 995 # generated files are strictly newer.
 996 am_sleep_pid=
 997 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
 998   ( sleep 1 ) &
 999   am_sleep_pid=$!
1000 fi
1001 AC_CONFIG_COMMANDS_PRE(
1002   [AC_MSG_CHECKING([that generated files are newer than configure])
1003    if test -n "$am_sleep_pid"; then
1004      # Hide warnings about reused PIDs.
1005      wait $am_sleep_pid 2>/dev/null
1006    fi
1007    AC_MSG_RESULT([done])])
1008 rm -f conftest.file
1009 ])
1010
1011 # Copyright (C) 2009-2017 Free Software Foundation, Inc.
1012 #
1013 # This file is free software; the Free Software Foundation
1014 # gives unlimited permission to copy and/or distribute it,
1015 # with or without modifications, as long as this notice is preserved.
1016
1017 # AM_SILENT_RULES([DEFAULT])
1018 # --------------------------
1019 # Enable less verbose build rules; with the default set to DEFAULT
1020 # ("yes" being less verbose, "no" or empty being verbose).
1021 AC_DEFUN([AM_SILENT_RULES],
1022 [AC_ARG_ENABLE([silent-rules], [dnl
1023 AS_HELP_STRING(
1024   [--enable-silent-rules],
1025   [less verbose build output (undo: "make V=1")])
1026 AS_HELP_STRING(
1027   [--disable-silent-rules],
1028   [verbose build output (undo: "make V=0")])dnl
1029 ])
1030 case $enable_silent_rules in @%:@ (((
1031   yes) AM_DEFAULT_VERBOSITY=0;;
1032    no) AM_DEFAULT_VERBOSITY=1;;
1033     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1034 esac
1035 dnl
1036 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1037 dnl do not support nested variable expansions.
1038 dnl See automake bug#9928 and bug#10237.
1039 am_make=${MAKE-make}
1040 AC_CACHE_CHECK([whether $am_make supports nested variables],
1041    [am_cv_make_support_nested_variables],
1042    [if AS_ECHO([['TRUE=$(BAR$(V))
1043 BAR0=false
1044 BAR1=true
1045 V=1
1046 am__doit:
1047         @$(TRUE)
1048 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1049   am_cv_make_support_nested_variables=yes
1050 else
1051   am_cv_make_support_nested_variables=no
1052 fi])
1053 if test $am_cv_make_support_nested_variables = yes; then
1054   dnl Using '$V' instead of '$(V)' breaks IRIX make.
1055   AM_V='$(V)'
1056   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1057 else
1058   AM_V=$AM_DEFAULT_VERBOSITY
1059   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1060 fi
1061 AC_SUBST([AM_V])dnl
1062 AM_SUBST_NOTMAKE([AM_V])dnl
1063 AC_SUBST([AM_DEFAULT_V])dnl
1064 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1065 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1066 AM_BACKSLASH='\'
1067 AC_SUBST([AM_BACKSLASH])dnl
1068 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1069 ])
1070
1071 # Copyright (C) 2001-2017 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_INSTALL_STRIP
1078 # ---------------------
1079 # One issue with vendor 'install' (even GNU) is that you can't
1080 # specify the program used to strip binaries.  This is especially
1081 # annoying in cross-compiling environments, where the build's strip
1082 # is unlikely to handle the host's binaries.
1083 # Fortunately install-sh will honor a STRIPPROG variable, so we
1084 # always use install-sh in "make install-strip", and initialize
1085 # STRIPPROG with the value of the STRIP variable (set by the user).
1086 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1087 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1088 # Installed binaries are usually stripped using 'strip' when the user
1089 # run "make install-strip".  However 'strip' might not be the right
1090 # tool to use in cross-compilation environments, therefore Automake
1091 # will honor the 'STRIP' environment variable to overrule this program.
1092 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1093 if test "$cross_compiling" != no; then
1094   AC_CHECK_TOOL([STRIP], [strip], :)
1095 fi
1096 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1097 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1098
1099 # Copyright (C) 2006-2017 Free Software Foundation, Inc.
1100 #
1101 # This file is free software; the Free Software Foundation
1102 # gives unlimited permission to copy and/or distribute it,
1103 # with or without modifications, as long as this notice is preserved.
1104
1105 # _AM_SUBST_NOTMAKE(VARIABLE)
1106 # ---------------------------
1107 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1108 # This macro is traced by Automake.
1109 AC_DEFUN([_AM_SUBST_NOTMAKE])
1110
1111 # AM_SUBST_NOTMAKE(VARIABLE)
1112 # --------------------------
1113 # Public sister of _AM_SUBST_NOTMAKE.
1114 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1115
1116 # Check how to create a tarball.                            -*- Autoconf -*-
1117
1118 # Copyright (C) 2004-2017 Free Software Foundation, Inc.
1119 #
1120 # This file is free software; the Free Software Foundation
1121 # gives unlimited permission to copy and/or distribute it,
1122 # with or without modifications, as long as this notice is preserved.
1123
1124 # _AM_PROG_TAR(FORMAT)
1125 # --------------------
1126 # Check how to create a tarball in format FORMAT.
1127 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1128 #
1129 # Substitute a variable $(am__tar) that is a command
1130 # writing to stdout a FORMAT-tarball containing the directory
1131 # $tardir.
1132 #     tardir=directory && $(am__tar) > result.tar
1133 #
1134 # Substitute a variable $(am__untar) that extract such
1135 # a tarball read from stdin.
1136 #     $(am__untar) < result.tar
1137 #
1138 AC_DEFUN([_AM_PROG_TAR],
1139 [# Always define AMTAR for backward compatibility.  Yes, it's still used
1140 # in the wild :-(  We should find a proper way to deprecate it ...
1141 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1142
1143 # We'll loop over all known methods to create a tar archive until one works.
1144 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1145
1146 m4_if([$1], [v7],
1147   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1148
1149   [m4_case([$1],
1150     [ustar],
1151      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1152       # There is notably a 21 bits limit for the UID and the GID.  In fact,
1153       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1154       # and bug#13588).
1155       am_max_uid=2097151 # 2^21 - 1
1156       am_max_gid=$am_max_uid
1157       # The $UID and $GID variables are not portable, so we need to resort
1158       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
1159       # below are definitely unexpected, so allow the users to see them
1160       # (that is, avoid stderr redirection).
1161       am_uid=`id -u || echo unknown`
1162       am_gid=`id -g || echo unknown`
1163       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1164       if test $am_uid -le $am_max_uid; then
1165          AC_MSG_RESULT([yes])
1166       else
1167          AC_MSG_RESULT([no])
1168          _am_tools=none
1169       fi
1170       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1171       if test $am_gid -le $am_max_gid; then
1172          AC_MSG_RESULT([yes])
1173       else
1174         AC_MSG_RESULT([no])
1175         _am_tools=none
1176       fi],
1177
1178   [pax],
1179     [],
1180
1181   [m4_fatal([Unknown tar format])])
1182
1183   AC_MSG_CHECKING([how to create a $1 tar archive])
1184
1185   # Go ahead even if we have the value already cached.  We do so because we
1186   # need to set the values for the 'am__tar' and 'am__untar' variables.
1187   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1188
1189   for _am_tool in $_am_tools; do
1190     case $_am_tool in
1191     gnutar)
1192       for _am_tar in tar gnutar gtar; do
1193         AM_RUN_LOG([$_am_tar --version]) && break
1194       done
1195       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1196       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1197       am__untar="$_am_tar -xf -"
1198       ;;
1199     plaintar)
1200       # Must skip GNU tar: if it does not support --format= it doesn't create
1201       # ustar tarball either.
1202       (tar --version) >/dev/null 2>&1 && continue
1203       am__tar='tar chf - "$$tardir"'
1204       am__tar_='tar chf - "$tardir"'
1205       am__untar='tar xf -'
1206       ;;
1207     pax)
1208       am__tar='pax -L -x $1 -w "$$tardir"'
1209       am__tar_='pax -L -x $1 -w "$tardir"'
1210       am__untar='pax -r'
1211       ;;
1212     cpio)
1213       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1214       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1215       am__untar='cpio -i -H $1 -d'
1216       ;;
1217     none)
1218       am__tar=false
1219       am__tar_=false
1220       am__untar=false
1221       ;;
1222     esac
1223
1224     # If the value was cached, stop now.  We just wanted to have am__tar
1225     # and am__untar set.
1226     test -n "${am_cv_prog_tar_$1}" && break
1227
1228     # tar/untar a dummy directory, and stop if the command works.
1229     rm -rf conftest.dir
1230     mkdir conftest.dir
1231     echo GrepMe > conftest.dir/file
1232     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1233     rm -rf conftest.dir
1234     if test -s conftest.tar; then
1235       AM_RUN_LOG([$am__untar <conftest.tar])
1236       AM_RUN_LOG([cat conftest.dir/file])
1237       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1238     fi
1239   done
1240   rm -rf conftest.dir
1241
1242   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1243   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1244
1245 AC_SUBST([am__tar])
1246 AC_SUBST([am__untar])
1247 ]) # _AM_PROG_TAR
1248
1249 m4_include([../libtool.m4])
1250 m4_include([../ltoptions.m4])
1251 m4_include([../ltsugar.m4])
1252 m4_include([../ltversion.m4])
1253 m4_include([../lt~obsolete.m4])
1254 m4_include([acinclude.m4])