gcconfig.h: use LINUX_STACKBOTTOM so it works with Linux 2.6, reactivate MPROTECT_VDB
[gcc.git] / boehm-gc / aclocal.m4
1 # generated automatically by aclocal 1.9.6 -*- Autoconf -*-
2
3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005 Free Software Foundation, Inc.
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 # Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
15 #
16 # This file is free software; the Free Software Foundation
17 # gives unlimited permission to copy and/or distribute it,
18 # with or without modifications, as long as this notice is preserved.
19
20 # AM_AUTOMAKE_VERSION(VERSION)
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22 # Automake X.Y traces this macro to ensure aclocal.m4 has been
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33 # AM_AUX_DIR_EXPAND -*- Autoconf -*-
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35 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
36 #
37 # This file is free software; the Free Software Foundation
38 # gives unlimited permission to copy and/or distribute it,
39 # with or without modifications, as long as this notice is preserved.
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41 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
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86 # AM_CONDITIONAL -*- Autoconf -*-
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88 # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
89 # Free Software Foundation, Inc.
90 #
91 # This file is free software; the Free Software Foundation
92 # gives unlimited permission to copy and/or distribute it,
93 # with or without modifications, as long as this notice is preserved.
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95 # serial 7
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97 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
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119
120 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
121 # 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 # serial 8
128
129 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
130 # written in clear, in which case automake, when reading aclocal.m4,
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136 # _AM_DEPENDENCIES(NAME)
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147 [AC_REQUIRE([AM_SET_DEPDIR])dnl
148 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
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150 AC_REQUIRE([AM_DEP_TRACK])dnl
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152 ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
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195 # Solaris 8's {/usr,}/bin/sh.
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274
275 # Generate code to set up dependency tracking. -*- Autoconf -*-
276
277 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
278 # Free Software Foundation, Inc.
279 #
280 # This file is free software; the Free Software Foundation
281 # gives unlimited permission to copy and/or distribute it,
282 # with or without modifications, as long as this notice is preserved.
283
284 #serial 3
285
286 # _AM_OUTPUT_DEPENDENCY_COMMANDS
287 # ------------------------------
288 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
289 [for mf in $CONFIG_FILES; do
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291 mf=`echo "$mf" | sed -e 's/:.*$//'`
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293 # We used to match only the files named `Makefile.in', but
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295 # Grep'ing the first line is not enough: some people post-process
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312 # Find all dependency output files, they are included files with
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314 # simplest approach to changing $(DEPDIR) to its actual value in the
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328
329
330 # AM_OUTPUT_DEPENDENCY_COMMANDS
331 # -----------------------------
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342
343 # Do all the work for Automake. -*- Autoconf -*-
344
345 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
346 # Free Software Foundation, Inc.
347 #
348 # This file is free software; the Free Software Foundation
349 # gives unlimited permission to copy and/or distribute it,
350 # with or without modifications, as long as this notice is preserved.
351
352 # serial 12
353
354 # This macro actually does too much. Some checks are only needed if
355 # your package does certain things. But this isn't really a big deal.
356
357 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
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359 # -----------------------------------------------
360 # The call with PACKAGE and VERSION arguments is the old style
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401 _AM_IF_OPTION([no-define],,
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436
437 # When config.status generates a header, we must update the stamp-h file.
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456
457 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
458 #
459 # This file is free software; the Free Software Foundation
460 # gives unlimited permission to copy and/or distribute it,
461 # with or without modifications, as long as this notice is preserved.
462
463 # AM_PROG_INSTALL_SH
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470
471 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
472 # From Jim Meyering
473
474 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005
475 # Free Software Foundation, Inc.
476 #
477 # This file is free software; the Free Software Foundation
478 # gives unlimited permission to copy and/or distribute it,
479 # with or without modifications, as long as this notice is preserved.
480
481 # serial 4
482
483 AC_DEFUN([AM_MAINTAINER_MODE],
484 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
485 dnl maintainer-mode is disabled by default
486 AC_ARG_ENABLE(maintainer-mode,
487 [ --enable-maintainer-mode enable make rules and dependencies not useful
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498 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
499
500 # Check to see how 'make' treats includes. -*- Autoconf -*-
501
502 # Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
503 #
504 # This file is free software; the Free Software Foundation
505 # gives unlimited permission to copy and/or distribute it,
506 # with or without modifications, as long as this notice is preserved.
507
508 # serial 3
509
510 # AM_MAKE_INCLUDE()
511 # -----------------
512 # Check to see how make treats includes.
513 AC_DEFUN([AM_MAKE_INCLUDE],
514 [am_make=${MAKE-make}
515 cat > confinc << 'END'
516 am__doit:
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523 am__quote=
524 _am_result=none
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526 echo "include confinc" > confmf
527 # We grep out `Entering directory' and `Leaving directory'
528 # messages which can occur if `w' ends up in MAKEFLAGS.
529 # In particular we don't look at `^make:' because GNU make might
530 # be invoked under some other name (usually "gmake"), in which
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535 _am_result=GNU
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542 am__quote="\""
543 _am_result=BSD
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546 AC_SUBST([am__include])
547 AC_SUBST([am__quote])
548 AC_MSG_RESULT([$_am_result])
549 rm -f confinc confmf
550 ])
551
552 # Copyright (C) 1999, 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
553 #
554 # This file is free software; the Free Software Foundation
555 # gives unlimited permission to copy and/or distribute it,
556 # with or without modifications, as long as this notice is preserved.
557
558 # serial 3
559
560 # AM_PROG_CC_C_O
561 # --------------
562 # Like AC_PROG_CC_C_O, but changed for automake.
563 AC_DEFUN([AM_PROG_CC_C_O],
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565 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
566 # FIXME: we rely on the cache variable name because
567 # there is no other way.
568 set dummy $CC
569 ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
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573 # But if we don't then we get into trouble of one sort or another.
574 # A longer-term fix would be to have automake use am__CC in this case,
575 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
576 CC="$am_aux_dir/compile $CC"
577 fi
578 ])
579
580 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
581
582 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
583 # Free Software Foundation, Inc.
584 #
585 # This file is free software; the Free Software Foundation
586 # gives unlimited permission to copy and/or distribute it,
587 # with or without modifications, as long as this notice is preserved.
588
589 # serial 4
590
591 # AM_MISSING_PROG(NAME, PROGRAM)
592 # ------------------------------
593 AC_DEFUN([AM_MISSING_PROG],
594 [AC_REQUIRE([AM_MISSING_HAS_RUN])
595 $1=${$1-"${am_missing_run}$2"}
596 AC_SUBST($1)])
597
598
599 # AM_MISSING_HAS_RUN
600 # ------------------
601 # Define MISSING if not defined so far and test if it supports --run.
602 # If it does, set am_missing_run to use it, otherwise, to nothing.
603 AC_DEFUN([AM_MISSING_HAS_RUN],
604 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
605 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
606 # Use eval to expand $SHELL
607 if eval "$MISSING --run true"; then
608 am_missing_run="$MISSING --run "
609 else
610 am_missing_run=
611 AC_MSG_WARN([`missing' script is too old or missing])
612 fi
613 ])
614
615 # Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
616 #
617 # This file is free software; the Free Software Foundation
618 # gives unlimited permission to copy and/or distribute it,
619 # with or without modifications, as long as this notice is preserved.
620
621 # AM_PROG_MKDIR_P
622 # ---------------
623 # Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
624 #
625 # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
626 # created by `make install' are always world readable, even if the
627 # installer happens to have an overly restrictive umask (e.g. 077).
628 # This was a mistake. There are at least two reasons why we must not
629 # use `-m 0755':
630 # - it causes special bits like SGID to be ignored,
631 # - it may be too restrictive (some setups expect 775 directories).
632 #
633 # Do not use -m 0755 and let people choose whatever they expect by
634 # setting umask.
635 #
636 # We cannot accept any implementation of `mkdir' that recognizes `-p'.
637 # Some implementations (such as Solaris 8's) are not thread-safe: if a
638 # parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
639 # concurrently, both version can detect that a/ is missing, but only
640 # one can create it and the other will error out. Consequently we
641 # restrict ourselves to GNU make (using the --version option ensures
642 # this.)
643 AC_DEFUN([AM_PROG_MKDIR_P],
644 [if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
645 # We used to keeping the `.' as first argument, in order to
646 # allow $(mkdir_p) to be used without argument. As in
647 # $(mkdir_p) $(somedir)
648 # where $(somedir) is conditionally defined. However this is wrong
649 # for two reasons:
650 # 1. if the package is installed by a user who cannot write `.'
651 # make install will fail,
652 # 2. the above comment should most certainly read
653 # $(mkdir_p) $(DESTDIR)$(somedir)
654 # so it does not work when $(somedir) is undefined and
655 # $(DESTDIR) is not.
656 # To support the latter case, we have to write
657 # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
658 # so the `.' trick is pointless.
659 mkdir_p='mkdir -p --'
660 else
661 # On NextStep and OpenStep, the `mkdir' command does not
662 # recognize any option. It will interpret all options as
663 # directories to create, and then abort because `.' already
664 # exists.
665 for d in ./-p ./--version;
666 do
667 test -d $d && rmdir $d
668 done
669 # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
670 if test -f "$ac_aux_dir/mkinstalldirs"; then
671 mkdir_p='$(mkinstalldirs)'
672 else
673 mkdir_p='$(install_sh) -d'
674 fi
675 fi
676 AC_SUBST([mkdir_p])])
677
678 # Helper functions for option handling. -*- Autoconf -*-
679
680 # Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
681 #
682 # This file is free software; the Free Software Foundation
683 # gives unlimited permission to copy and/or distribute it,
684 # with or without modifications, as long as this notice is preserved.
685
686 # serial 3
687
688 # _AM_MANGLE_OPTION(NAME)
689 # -----------------------
690 AC_DEFUN([_AM_MANGLE_OPTION],
691 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
692
693 # _AM_SET_OPTION(NAME)
694 # ------------------------------
695 # Set option NAME. Presently that only means defining a flag for this option.
696 AC_DEFUN([_AM_SET_OPTION],
697 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
698
699 # _AM_SET_OPTIONS(OPTIONS)
700 # ----------------------------------
701 # OPTIONS is a space-separated list of Automake options.
702 AC_DEFUN([_AM_SET_OPTIONS],
703 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
704
705 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
706 # -------------------------------------------
707 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
708 AC_DEFUN([_AM_IF_OPTION],
709 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
710
711 # Check to make sure that the build environment is sane. -*- Autoconf -*-
712
713 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
714 # Free Software Foundation, Inc.
715 #
716 # This file is free software; the Free Software Foundation
717 # gives unlimited permission to copy and/or distribute it,
718 # with or without modifications, as long as this notice is preserved.
719
720 # serial 4
721
722 # AM_SANITY_CHECK
723 # ---------------
724 AC_DEFUN([AM_SANITY_CHECK],
725 [AC_MSG_CHECKING([whether build environment is sane])
726 # Just in case
727 sleep 1
728 echo timestamp > conftest.file
729 # Do `set' in a subshell so we don't clobber the current shell's
730 # arguments. Must try -L first in case configure is actually a
731 # symlink; some systems play weird games with the mod time of symlinks
732 # (eg FreeBSD returns the mod time of the symlink's containing
733 # directory).
734 if (
735 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
736 if test "$[*]" = "X"; then
737 # -L didn't work.
738 set X `ls -t $srcdir/configure conftest.file`
739 fi
740 rm -f conftest.file
741 if test "$[*]" != "X $srcdir/configure conftest.file" \
742 && test "$[*]" != "X conftest.file $srcdir/configure"; then
743
744 # If neither matched, then we have a broken ls. This can happen
745 # if, for instance, CONFIG_SHELL is bash and it inherits a
746 # broken ls alias from the environment. This has actually
747 # happened. Such a system could not be considered "sane".
748 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
749 alias in your environment])
750 fi
751
752 test "$[2]" = conftest.file
753 )
754 then
755 # Ok.
756 :
757 else
758 AC_MSG_ERROR([newly created file is older than distributed files!
759 Check your system clock])
760 fi
761 AC_MSG_RESULT(yes)])
762
763 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
764 #
765 # This file is free software; the Free Software Foundation
766 # gives unlimited permission to copy and/or distribute it,
767 # with or without modifications, as long as this notice is preserved.
768
769 # AM_PROG_INSTALL_STRIP
770 # ---------------------
771 # One issue with vendor `install' (even GNU) is that you can't
772 # specify the program used to strip binaries. This is especially
773 # annoying in cross-compiling environments, where the build's strip
774 # is unlikely to handle the host's binaries.
775 # Fortunately install-sh will honor a STRIPPROG variable, so we
776 # always use install-sh in `make install-strip', and initialize
777 # STRIPPROG with the value of the STRIP variable (set by the user).
778 AC_DEFUN([AM_PROG_INSTALL_STRIP],
779 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
780 # Installed binaries are usually stripped using `strip' when the user
781 # run `make install-strip'. However `strip' might not be the right
782 # tool to use in cross-compilation environments, therefore Automake
783 # will honor the `STRIP' environment variable to overrule this program.
784 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
785 if test "$cross_compiling" != no; then
786 AC_CHECK_TOOL([STRIP], [strip], :)
787 fi
788 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
789 AC_SUBST([INSTALL_STRIP_PROGRAM])])
790
791 # Check how to create a tarball. -*- Autoconf -*-
792
793 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
794 #
795 # This file is free software; the Free Software Foundation
796 # gives unlimited permission to copy and/or distribute it,
797 # with or without modifications, as long as this notice is preserved.
798
799 # serial 2
800
801 # _AM_PROG_TAR(FORMAT)
802 # --------------------
803 # Check how to create a tarball in format FORMAT.
804 # FORMAT should be one of `v7', `ustar', or `pax'.
805 #
806 # Substitute a variable $(am__tar) that is a command
807 # writing to stdout a FORMAT-tarball containing the directory
808 # $tardir.
809 # tardir=directory && $(am__tar) > result.tar
810 #
811 # Substitute a variable $(am__untar) that extract such
812 # a tarball read from stdin.
813 # $(am__untar) < result.tar
814 AC_DEFUN([_AM_PROG_TAR],
815 [# Always define AMTAR for backward compatibility.
816 AM_MISSING_PROG([AMTAR], [tar])
817 m4_if([$1], [v7],
818 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
819 [m4_case([$1], [ustar],, [pax],,
820 [m4_fatal([Unknown tar format])])
821 AC_MSG_CHECKING([how to create a $1 tar archive])
822 # Loop over all known methods to create a tar archive until one works.
823 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
824 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
825 # Do not fold the above two line into one, because Tru64 sh and
826 # Solaris sh will not grok spaces in the rhs of `-'.
827 for _am_tool in $_am_tools
828 do
829 case $_am_tool in
830 gnutar)
831 for _am_tar in tar gnutar gtar;
832 do
833 AM_RUN_LOG([$_am_tar --version]) && break
834 done
835 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
836 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
837 am__untar="$_am_tar -xf -"
838 ;;
839 plaintar)
840 # Must skip GNU tar: if it does not support --format= it doesn't create
841 # ustar tarball either.
842 (tar --version) >/dev/null 2>&1 && continue
843 am__tar='tar chf - "$$tardir"'
844 am__tar_='tar chf - "$tardir"'
845 am__untar='tar xf -'
846 ;;
847 pax)
848 am__tar='pax -L -x $1 -w "$$tardir"'
849 am__tar_='pax -L -x $1 -w "$tardir"'
850 am__untar='pax -r'
851 ;;
852 cpio)
853 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
854 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
855 am__untar='cpio -i -H $1 -d'
856 ;;
857 none)
858 am__tar=false
859 am__tar_=false
860 am__untar=false
861 ;;
862 esac
863
864 # If the value was cached, stop now. We just wanted to have am__tar
865 # and am__untar set.
866 test -n "${am_cv_prog_tar_$1}" && break
867
868 # tar/untar a dummy directory, and stop if the command works
869 rm -rf conftest.dir
870 mkdir conftest.dir
871 echo GrepMe > conftest.dir/file
872 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
873 rm -rf conftest.dir
874 if test -s conftest.tar; then
875 AM_RUN_LOG([$am__untar <conftest.tar])
876 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
877 fi
878 done
879 rm -rf conftest.dir
880
881 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
882 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
883 AC_SUBST([am__tar])
884 AC_SUBST([am__untar])
885 ]) # _AM_PROG_TAR
886
887 m4_include([../config/acx.m4])
888 m4_include([../config/depstand.m4])
889 m4_include([../config/lead-dot.m4])
890 m4_include([../config/multi.m4])
891 m4_include([../config/no-executables.m4])
892 m4_include([../libtool.m4])