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Initial import from some old code
author Adam Chlipala <adam@chlipala.net>
date Sat, 03 Mar 2012 14:59:04 -0500
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adam@0 1 # generated automatically by aclocal 1.11.1 -*- Autoconf -*-
adam@0 2
adam@0 3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
adam@0 4 # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
adam@0 5 # This file is free software; the Free Software Foundation
adam@0 6 # gives unlimited permission to copy and/or distribute it,
adam@0 7 # with or without modifications, as long as this notice is preserved.
adam@0 8
adam@0 9 # This program is distributed in the hope that it will be useful,
adam@0 10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
adam@0 11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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adam@0 21
adam@0 22 # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
adam@0 23 #
adam@0 24 # This file is free software; the Free Software Foundation
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adam@0 460
adam@0 461 # Define the identity of the package.
adam@0 462 dnl Distinguish between old-style and new-style calls.
adam@0 463 m4_ifval([$2],
adam@0 464 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
adam@0 465 AC_SUBST([PACKAGE], [$1])dnl
adam@0 466 AC_SUBST([VERSION], [$2])],
adam@0 467 [_AM_SET_OPTIONS([$1])dnl
adam@0 468 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
adam@0 469 m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
adam@0 470 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
adam@0 471 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
adam@0 472 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
adam@0 473
adam@0 474 _AM_IF_OPTION([no-define],,
adam@0 475 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
adam@0 476 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
adam@0 477
adam@0 478 # Some tools Automake needs.
adam@0 479 AC_REQUIRE([AM_SANITY_CHECK])dnl
adam@0 480 AC_REQUIRE([AC_ARG_PROGRAM])dnl
adam@0 481 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
adam@0 482 AM_MISSING_PROG(AUTOCONF, autoconf)
adam@0 483 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
adam@0 484 AM_MISSING_PROG(AUTOHEADER, autoheader)
adam@0 485 AM_MISSING_PROG(MAKEINFO, makeinfo)
adam@0 486 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
adam@0 487 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
adam@0 488 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
adam@0 489 # We need awk for the "check" target. The system "awk" is bad on
adam@0 490 # some platforms.
adam@0 491 AC_REQUIRE([AC_PROG_AWK])dnl
adam@0 492 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
adam@0 493 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
adam@0 494 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
adam@0 495 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
adam@0 496 [_AM_PROG_TAR([v7])])])
adam@0 497 _AM_IF_OPTION([no-dependencies],,
adam@0 498 [AC_PROVIDE_IFELSE([AC_PROG_CC],
adam@0 499 [_AM_DEPENDENCIES(CC)],
adam@0 500 [define([AC_PROG_CC],
adam@0 501 defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
adam@0 502 AC_PROVIDE_IFELSE([AC_PROG_CXX],
adam@0 503 [_AM_DEPENDENCIES(CXX)],
adam@0 504 [define([AC_PROG_CXX],
adam@0 505 defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
adam@0 506 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
adam@0 507 [_AM_DEPENDENCIES(OBJC)],
adam@0 508 [define([AC_PROG_OBJC],
adam@0 509 defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
adam@0 510 ])
adam@0 511 _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
adam@0 512 dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
adam@0 513 dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
adam@0 514 dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
adam@0 515 AC_CONFIG_COMMANDS_PRE(dnl
adam@0 516 [m4_provide_if([_AM_COMPILER_EXEEXT],
adam@0 517 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
adam@0 518 ])
adam@0 519
adam@0 520 dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
adam@0 521 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
adam@0 522 dnl mangled by Autoconf and run in a shell conditional statement.
adam@0 523 m4_define([_AC_COMPILER_EXEEXT],
adam@0 524 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
adam@0 525
adam@0 526
adam@0 527 # When config.status generates a header, we must update the stamp-h file.
adam@0 528 # This file resides in the same directory as the config header
adam@0 529 # that is generated. The stamp files are numbered to have different names.
adam@0 530
adam@0 531 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
adam@0 532 # loop where config.status creates the headers, so we can generate
adam@0 533 # our stamp files there.
adam@0 534 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
adam@0 535 [# Compute $1's index in $config_headers.
adam@0 536 _am_arg=$1
adam@0 537 _am_stamp_count=1
adam@0 538 for _am_header in $config_headers :; do
adam@0 539 case $_am_header in
adam@0 540 $_am_arg | $_am_arg:* )
adam@0 541 break ;;
adam@0 542 * )
adam@0 543 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
adam@0 544 esac
adam@0 545 done
adam@0 546 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
adam@0 547
adam@0 548 # Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
adam@0 549 #
adam@0 550 # This file is free software; the Free Software Foundation
adam@0 551 # gives unlimited permission to copy and/or distribute it,
adam@0 552 # with or without modifications, as long as this notice is preserved.
adam@0 553
adam@0 554 # AM_PROG_INSTALL_SH
adam@0 555 # ------------------
adam@0 556 # Define $install_sh.
adam@0 557 AC_DEFUN([AM_PROG_INSTALL_SH],
adam@0 558 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
adam@0 559 if test x"${install_sh}" != xset; then
adam@0 560 case $am_aux_dir in
adam@0 561 *\ * | *\ *)
adam@0 562 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
adam@0 563 *)
adam@0 564 install_sh="\${SHELL} $am_aux_dir/install-sh"
adam@0 565 esac
adam@0 566 fi
adam@0 567 AC_SUBST(install_sh)])
adam@0 568
adam@0 569 # Copyright (C) 2003, 2005 Free Software Foundation, Inc.
adam@0 570 #
adam@0 571 # This file is free software; the Free Software Foundation
adam@0 572 # gives unlimited permission to copy and/or distribute it,
adam@0 573 # with or without modifications, as long as this notice is preserved.
adam@0 574
adam@0 575 # serial 2
adam@0 576
adam@0 577 # Check whether the underlying file-system supports filenames
adam@0 578 # with a leading dot. For instance MS-DOS doesn't.
adam@0 579 AC_DEFUN([AM_SET_LEADING_DOT],
adam@0 580 [rm -rf .tst 2>/dev/null
adam@0 581 mkdir .tst 2>/dev/null
adam@0 582 if test -d .tst; then
adam@0 583 am__leading_dot=.
adam@0 584 else
adam@0 585 am__leading_dot=_
adam@0 586 fi
adam@0 587 rmdir .tst 2>/dev/null
adam@0 588 AC_SUBST([am__leading_dot])])
adam@0 589
adam@0 590 # Check to see how 'make' treats includes. -*- Autoconf -*-
adam@0 591
adam@0 592 # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
adam@0 593 #
adam@0 594 # This file is free software; the Free Software Foundation
adam@0 595 # gives unlimited permission to copy and/or distribute it,
adam@0 596 # with or without modifications, as long as this notice is preserved.
adam@0 597
adam@0 598 # serial 4
adam@0 599
adam@0 600 # AM_MAKE_INCLUDE()
adam@0 601 # -----------------
adam@0 602 # Check to see how make treats includes.
adam@0 603 AC_DEFUN([AM_MAKE_INCLUDE],
adam@0 604 [am_make=${MAKE-make}
adam@0 605 cat > confinc << 'END'
adam@0 606 am__doit:
adam@0 607 @echo this is the am__doit target
adam@0 608 .PHONY: am__doit
adam@0 609 END
adam@0 610 # If we don't find an include directive, just comment out the code.
adam@0 611 AC_MSG_CHECKING([for style of include used by $am_make])
adam@0 612 am__include="#"
adam@0 613 am__quote=
adam@0 614 _am_result=none
adam@0 615 # First try GNU make style include.
adam@0 616 echo "include confinc" > confmf
adam@0 617 # Ignore all kinds of additional output from `make'.
adam@0 618 case `$am_make -s -f confmf 2> /dev/null` in #(
adam@0 619 *the\ am__doit\ target*)
adam@0 620 am__include=include
adam@0 621 am__quote=
adam@0 622 _am_result=GNU
adam@0 623 ;;
adam@0 624 esac
adam@0 625 # Now try BSD make style include.
adam@0 626 if test "$am__include" = "#"; then
adam@0 627 echo '.include "confinc"' > confmf
adam@0 628 case `$am_make -s -f confmf 2> /dev/null` in #(
adam@0 629 *the\ am__doit\ target*)
adam@0 630 am__include=.include
adam@0 631 am__quote="\""
adam@0 632 _am_result=BSD
adam@0 633 ;;
adam@0 634 esac
adam@0 635 fi
adam@0 636 AC_SUBST([am__include])
adam@0 637 AC_SUBST([am__quote])
adam@0 638 AC_MSG_RESULT([$_am_result])
adam@0 639 rm -f confinc confmf
adam@0 640 ])
adam@0 641
adam@0 642 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
adam@0 643
adam@0 644 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
adam@0 645 # Free Software Foundation, Inc.
adam@0 646 #
adam@0 647 # This file is free software; the Free Software Foundation
adam@0 648 # gives unlimited permission to copy and/or distribute it,
adam@0 649 # with or without modifications, as long as this notice is preserved.
adam@0 650
adam@0 651 # serial 6
adam@0 652
adam@0 653 # AM_MISSING_PROG(NAME, PROGRAM)
adam@0 654 # ------------------------------
adam@0 655 AC_DEFUN([AM_MISSING_PROG],
adam@0 656 [AC_REQUIRE([AM_MISSING_HAS_RUN])
adam@0 657 $1=${$1-"${am_missing_run}$2"}
adam@0 658 AC_SUBST($1)])
adam@0 659
adam@0 660
adam@0 661 # AM_MISSING_HAS_RUN
adam@0 662 # ------------------
adam@0 663 # Define MISSING if not defined so far and test if it supports --run.
adam@0 664 # If it does, set am_missing_run to use it, otherwise, to nothing.
adam@0 665 AC_DEFUN([AM_MISSING_HAS_RUN],
adam@0 666 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
adam@0 667 AC_REQUIRE_AUX_FILE([missing])dnl
adam@0 668 if test x"${MISSING+set}" != xset; then
adam@0 669 case $am_aux_dir in
adam@0 670 *\ * | *\ *)
adam@0 671 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
adam@0 672 *)
adam@0 673 MISSING="\${SHELL} $am_aux_dir/missing" ;;
adam@0 674 esac
adam@0 675 fi
adam@0 676 # Use eval to expand $SHELL
adam@0 677 if eval "$MISSING --run true"; then
adam@0 678 am_missing_run="$MISSING --run "
adam@0 679 else
adam@0 680 am_missing_run=
adam@0 681 AC_MSG_WARN([`missing' script is too old or missing])
adam@0 682 fi
adam@0 683 ])
adam@0 684
adam@0 685 # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
adam@0 686 #
adam@0 687 # This file is free software; the Free Software Foundation
adam@0 688 # gives unlimited permission to copy and/or distribute it,
adam@0 689 # with or without modifications, as long as this notice is preserved.
adam@0 690
adam@0 691 # AM_PROG_MKDIR_P
adam@0 692 # ---------------
adam@0 693 # Check for `mkdir -p'.
adam@0 694 AC_DEFUN([AM_PROG_MKDIR_P],
adam@0 695 [AC_PREREQ([2.60])dnl
adam@0 696 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
adam@0 697 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
adam@0 698 dnl while keeping a definition of mkdir_p for backward compatibility.
adam@0 699 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
adam@0 700 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
adam@0 701 dnl Makefile.ins that do not define MKDIR_P, so we do our own
adam@0 702 dnl adjustment using top_builddir (which is defined more often than
adam@0 703 dnl MKDIR_P).
adam@0 704 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
adam@0 705 case $mkdir_p in
adam@0 706 [[\\/$]]* | ?:[[\\/]]*) ;;
adam@0 707 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
adam@0 708 esac
adam@0 709 ])
adam@0 710
adam@0 711 # Helper functions for option handling. -*- Autoconf -*-
adam@0 712
adam@0 713 # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
adam@0 714 #
adam@0 715 # This file is free software; the Free Software Foundation
adam@0 716 # gives unlimited permission to copy and/or distribute it,
adam@0 717 # with or without modifications, as long as this notice is preserved.
adam@0 718
adam@0 719 # serial 4
adam@0 720
adam@0 721 # _AM_MANGLE_OPTION(NAME)
adam@0 722 # -----------------------
adam@0 723 AC_DEFUN([_AM_MANGLE_OPTION],
adam@0 724 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
adam@0 725
adam@0 726 # _AM_SET_OPTION(NAME)
adam@0 727 # ------------------------------
adam@0 728 # Set option NAME. Presently that only means defining a flag for this option.
adam@0 729 AC_DEFUN([_AM_SET_OPTION],
adam@0 730 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
adam@0 731
adam@0 732 # _AM_SET_OPTIONS(OPTIONS)
adam@0 733 # ----------------------------------
adam@0 734 # OPTIONS is a space-separated list of Automake options.
adam@0 735 AC_DEFUN([_AM_SET_OPTIONS],
adam@0 736 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
adam@0 737
adam@0 738 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
adam@0 739 # -------------------------------------------
adam@0 740 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
adam@0 741 AC_DEFUN([_AM_IF_OPTION],
adam@0 742 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
adam@0 743
adam@0 744 # Check to make sure that the build environment is sane. -*- Autoconf -*-
adam@0 745
adam@0 746 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
adam@0 747 # Free Software Foundation, Inc.
adam@0 748 #
adam@0 749 # This file is free software; the Free Software Foundation
adam@0 750 # gives unlimited permission to copy and/or distribute it,
adam@0 751 # with or without modifications, as long as this notice is preserved.
adam@0 752
adam@0 753 # serial 5
adam@0 754
adam@0 755 # AM_SANITY_CHECK
adam@0 756 # ---------------
adam@0 757 AC_DEFUN([AM_SANITY_CHECK],
adam@0 758 [AC_MSG_CHECKING([whether build environment is sane])
adam@0 759 # Just in case
adam@0 760 sleep 1
adam@0 761 echo timestamp > conftest.file
adam@0 762 # Reject unsafe characters in $srcdir or the absolute working directory
adam@0 763 # name. Accept space and tab only in the latter.
adam@0 764 am_lf='
adam@0 765 '
adam@0 766 case `pwd` in
adam@0 767 *[[\\\"\#\$\&\'\`$am_lf]]*)
adam@0 768 AC_MSG_ERROR([unsafe absolute working directory name]);;
adam@0 769 esac
adam@0 770 case $srcdir in
adam@0 771 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
adam@0 772 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
adam@0 773 esac
adam@0 774
adam@0 775 # Do `set' in a subshell so we don't clobber the current shell's
adam@0 776 # arguments. Must try -L first in case configure is actually a
adam@0 777 # symlink; some systems play weird games with the mod time of symlinks
adam@0 778 # (eg FreeBSD returns the mod time of the symlink's containing
adam@0 779 # directory).
adam@0 780 if (
adam@0 781 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
adam@0 782 if test "$[*]" = "X"; then
adam@0 783 # -L didn't work.
adam@0 784 set X `ls -t "$srcdir/configure" conftest.file`
adam@0 785 fi
adam@0 786 rm -f conftest.file
adam@0 787 if test "$[*]" != "X $srcdir/configure conftest.file" \
adam@0 788 && test "$[*]" != "X conftest.file $srcdir/configure"; then
adam@0 789
adam@0 790 # If neither matched, then we have a broken ls. This can happen
adam@0 791 # if, for instance, CONFIG_SHELL is bash and it inherits a
adam@0 792 # broken ls alias from the environment. This has actually
adam@0 793 # happened. Such a system could not be considered "sane".
adam@0 794 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
adam@0 795 alias in your environment])
adam@0 796 fi
adam@0 797
adam@0 798 test "$[2]" = conftest.file
adam@0 799 )
adam@0 800 then
adam@0 801 # Ok.
adam@0 802 :
adam@0 803 else
adam@0 804 AC_MSG_ERROR([newly created file is older than distributed files!
adam@0 805 Check your system clock])
adam@0 806 fi
adam@0 807 AC_MSG_RESULT(yes)])
adam@0 808
adam@0 809 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
adam@0 810 #
adam@0 811 # This file is free software; the Free Software Foundation
adam@0 812 # gives unlimited permission to copy and/or distribute it,
adam@0 813 # with or without modifications, as long as this notice is preserved.
adam@0 814
adam@0 815 # AM_PROG_INSTALL_STRIP
adam@0 816 # ---------------------
adam@0 817 # One issue with vendor `install' (even GNU) is that you can't
adam@0 818 # specify the program used to strip binaries. This is especially
adam@0 819 # annoying in cross-compiling environments, where the build's strip
adam@0 820 # is unlikely to handle the host's binaries.
adam@0 821 # Fortunately install-sh will honor a STRIPPROG variable, so we
adam@0 822 # always use install-sh in `make install-strip', and initialize
adam@0 823 # STRIPPROG with the value of the STRIP variable (set by the user).
adam@0 824 AC_DEFUN([AM_PROG_INSTALL_STRIP],
adam@0 825 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
adam@0 826 # Installed binaries are usually stripped using `strip' when the user
adam@0 827 # run `make install-strip'. However `strip' might not be the right
adam@0 828 # tool to use in cross-compilation environments, therefore Automake
adam@0 829 # will honor the `STRIP' environment variable to overrule this program.
adam@0 830 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
adam@0 831 if test "$cross_compiling" != no; then
adam@0 832 AC_CHECK_TOOL([STRIP], [strip], :)
adam@0 833 fi
adam@0 834 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
adam@0 835 AC_SUBST([INSTALL_STRIP_PROGRAM])])
adam@0 836
adam@0 837 # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
adam@0 838 #
adam@0 839 # This file is free software; the Free Software Foundation
adam@0 840 # gives unlimited permission to copy and/or distribute it,
adam@0 841 # with or without modifications, as long as this notice is preserved.
adam@0 842
adam@0 843 # serial 2
adam@0 844
adam@0 845 # _AM_SUBST_NOTMAKE(VARIABLE)
adam@0 846 # ---------------------------
adam@0 847 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
adam@0 848 # This macro is traced by Automake.
adam@0 849 AC_DEFUN([_AM_SUBST_NOTMAKE])
adam@0 850
adam@0 851 # AM_SUBST_NOTMAKE(VARIABLE)
adam@0 852 # ---------------------------
adam@0 853 # Public sister of _AM_SUBST_NOTMAKE.
adam@0 854 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
adam@0 855
adam@0 856 # Check how to create a tarball. -*- Autoconf -*-
adam@0 857
adam@0 858 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
adam@0 859 #
adam@0 860 # This file is free software; the Free Software Foundation
adam@0 861 # gives unlimited permission to copy and/or distribute it,
adam@0 862 # with or without modifications, as long as this notice is preserved.
adam@0 863
adam@0 864 # serial 2
adam@0 865
adam@0 866 # _AM_PROG_TAR(FORMAT)
adam@0 867 # --------------------
adam@0 868 # Check how to create a tarball in format FORMAT.
adam@0 869 # FORMAT should be one of `v7', `ustar', or `pax'.
adam@0 870 #
adam@0 871 # Substitute a variable $(am__tar) that is a command
adam@0 872 # writing to stdout a FORMAT-tarball containing the directory
adam@0 873 # $tardir.
adam@0 874 # tardir=directory && $(am__tar) > result.tar
adam@0 875 #
adam@0 876 # Substitute a variable $(am__untar) that extract such
adam@0 877 # a tarball read from stdin.
adam@0 878 # $(am__untar) < result.tar
adam@0 879 AC_DEFUN([_AM_PROG_TAR],
adam@0 880 [# Always define AMTAR for backward compatibility.
adam@0 881 AM_MISSING_PROG([AMTAR], [tar])
adam@0 882 m4_if([$1], [v7],
adam@0 883 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
adam@0 884 [m4_case([$1], [ustar],, [pax],,
adam@0 885 [m4_fatal([Unknown tar format])])
adam@0 886 AC_MSG_CHECKING([how to create a $1 tar archive])
adam@0 887 # Loop over all known methods to create a tar archive until one works.
adam@0 888 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
adam@0 889 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
adam@0 890 # Do not fold the above two line into one, because Tru64 sh and
adam@0 891 # Solaris sh will not grok spaces in the rhs of `-'.
adam@0 892 for _am_tool in $_am_tools
adam@0 893 do
adam@0 894 case $_am_tool in
adam@0 895 gnutar)
adam@0 896 for _am_tar in tar gnutar gtar;
adam@0 897 do
adam@0 898 AM_RUN_LOG([$_am_tar --version]) && break
adam@0 899 done
adam@0 900 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
adam@0 901 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
adam@0 902 am__untar="$_am_tar -xf -"
adam@0 903 ;;
adam@0 904 plaintar)
adam@0 905 # Must skip GNU tar: if it does not support --format= it doesn't create
adam@0 906 # ustar tarball either.
adam@0 907 (tar --version) >/dev/null 2>&1 && continue
adam@0 908 am__tar='tar chf - "$$tardir"'
adam@0 909 am__tar_='tar chf - "$tardir"'
adam@0 910 am__untar='tar xf -'
adam@0 911 ;;
adam@0 912 pax)
adam@0 913 am__tar='pax -L -x $1 -w "$$tardir"'
adam@0 914 am__tar_='pax -L -x $1 -w "$tardir"'
adam@0 915 am__untar='pax -r'
adam@0 916 ;;
adam@0 917 cpio)
adam@0 918 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
adam@0 919 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
adam@0 920 am__untar='cpio -i -H $1 -d'
adam@0 921 ;;
adam@0 922 none)
adam@0 923 am__tar=false
adam@0 924 am__tar_=false
adam@0 925 am__untar=false
adam@0 926 ;;
adam@0 927 esac
adam@0 928
adam@0 929 # If the value was cached, stop now. We just wanted to have am__tar
adam@0 930 # and am__untar set.
adam@0 931 test -n "${am_cv_prog_tar_$1}" && break
adam@0 932
adam@0 933 # tar/untar a dummy directory, and stop if the command works
adam@0 934 rm -rf conftest.dir
adam@0 935 mkdir conftest.dir
adam@0 936 echo GrepMe > conftest.dir/file
adam@0 937 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
adam@0 938 rm -rf conftest.dir
adam@0 939 if test -s conftest.tar; then
adam@0 940 AM_RUN_LOG([$am__untar <conftest.tar])
adam@0 941 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
adam@0 942 fi
adam@0 943 done
adam@0 944 rm -rf conftest.dir
adam@0 945
adam@0 946 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
adam@0 947 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
adam@0 948 AC_SUBST([am__tar])
adam@0 949 AC_SUBST([am__untar])
adam@0 950 ]) # _AM_PROG_TAR
adam@0 951
adam@0 952 m4_include([m4/libtool.m4])
adam@0 953 m4_include([m4/ltoptions.m4])
adam@0 954 m4_include([m4/ltsugar.m4])
adam@0 955 m4_include([m4/ltversion.m4])
adam@0 956 m4_include([m4/lt~obsolete.m4])