Annotation of OpenXM_contrib2/asir2000/aclocal.m4, Revision 1.6
1.6 ! ohara 1: # generated automatically by aclocal 1.11.1 -*- Autoconf -*-
1.1 ohara 2:
1.5 ohara 3: # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
1.6 ! ohara 4: # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
1.1 ohara 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.
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1.6 ! ohara 22: # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
1.5 ohara 23: #
1.2 noro 24: # This file is free software; the Free Software Foundation
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1.6 ! ohara 147: # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
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1.5 ohara 271: >/dev/null 2>conftest.err &&
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1.5 ohara 329: # Generate code to set up dependency tracking. -*- Autoconf -*-
1.1 ohara 330:
1.6 ! ohara 331: # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
1.5 ohara 332: # Free Software Foundation, Inc.
1.1 ohara 333: #
1.5 ohara 334: # This file is free software; the Free Software Foundation
335: # gives unlimited permission to copy and/or distribute it,
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1.6 ! ohara 338: #serial 5
1.5 ohara 339:
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479: AC_REQUIRE([AM_SANITY_CHECK])dnl
480: AC_REQUIRE([AC_ARG_PROGRAM])dnl
481: AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
482: AM_MISSING_PROG(AUTOCONF, autoconf)
483: AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
484: AM_MISSING_PROG(AUTOHEADER, autoheader)
485: AM_MISSING_PROG(MAKEINFO, makeinfo)
1.6 ! ohara 486: AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
! 487: AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
1.5 ohara 488: AC_REQUIRE([AM_PROG_MKDIR_P])dnl
489: # We need awk for the "check" target. The system "awk" is bad on
490: # some platforms.
491: AC_REQUIRE([AC_PROG_AWK])dnl
492: AC_REQUIRE([AC_PROG_MAKE_SET])dnl
493: AC_REQUIRE([AM_SET_LEADING_DOT])dnl
494: _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
1.6 ! ohara 495: [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
! 496: [_AM_PROG_TAR([v7])])])
1.5 ohara 497: _AM_IF_OPTION([no-dependencies],,
498: [AC_PROVIDE_IFELSE([AC_PROG_CC],
1.6 ! ohara 499: [_AM_DEPENDENCIES(CC)],
! 500: [define([AC_PROG_CC],
! 501: defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
1.5 ohara 502: AC_PROVIDE_IFELSE([AC_PROG_CXX],
1.6 ! ohara 503: [_AM_DEPENDENCIES(CXX)],
! 504: [define([AC_PROG_CXX],
! 505: defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
1.5 ohara 506: AC_PROVIDE_IFELSE([AC_PROG_OBJC],
1.6 ! ohara 507: [_AM_DEPENDENCIES(OBJC)],
! 508: [define([AC_PROG_OBJC],
! 509: defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
! 510: ])
! 511: _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
! 512: dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
! 513: dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
! 514: dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
! 515: AC_CONFIG_COMMANDS_PRE(dnl
! 516: [m4_provide_if([_AM_COMPILER_EXEEXT],
! 517: [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
! 518: ])
! 519:
! 520: dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
! 521: dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
! 522: dnl mangled by Autoconf and run in a shell conditional statement.
! 523: m4_define([_AC_COMPILER_EXEEXT],
! 524: m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
1.5 ohara 525:
526:
527: # When config.status generates a header, we must update the stamp-h file.
528: # This file resides in the same directory as the config header
529: # that is generated. The stamp files are numbered to have different names.
530:
531: # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
532: # loop where config.status creates the headers, so we can generate
533: # our stamp files there.
534: AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
535: [# Compute $1's index in $config_headers.
1.6 ! ohara 536: _am_arg=$1
1.5 ohara 537: _am_stamp_count=1
538: for _am_header in $config_headers :; do
539: case $_am_header in
1.6 ! ohara 540: $_am_arg | $_am_arg:* )
1.5 ohara 541: break ;;
542: * )
543: _am_stamp_count=`expr $_am_stamp_count + 1` ;;
544: esac
545: done
1.6 ! ohara 546: echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
1.5 ohara 547:
1.6 ! ohara 548: # Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
1.5 ohara 549: #
550: # This file is free software; the Free Software Foundation
551: # gives unlimited permission to copy and/or distribute it,
552: # with or without modifications, as long as this notice is preserved.
553:
554: # AM_PROG_INSTALL_SH
555: # ------------------
556: # Define $install_sh.
557: AC_DEFUN([AM_PROG_INSTALL_SH],
558: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1.6 ! ohara 559: if test x"${install_sh}" != xset; then
! 560: case $am_aux_dir in
! 561: *\ * | *\ *)
! 562: install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
! 563: *)
! 564: install_sh="\${SHELL} $am_aux_dir/install-sh"
! 565: esac
! 566: fi
1.5 ohara 567: AC_SUBST(install_sh)])
568:
569: # Copyright (C) 2003, 2005 Free Software Foundation, Inc.
570: #
571: # This file is free software; the Free Software Foundation
572: # gives unlimited permission to copy and/or distribute it,
573: # with or without modifications, as long as this notice is preserved.
574:
575: # serial 2
576:
577: # Check whether the underlying file-system supports filenames
578: # with a leading dot. For instance MS-DOS doesn't.
579: AC_DEFUN([AM_SET_LEADING_DOT],
580: [rm -rf .tst 2>/dev/null
581: mkdir .tst 2>/dev/null
582: if test -d .tst; then
583: am__leading_dot=.
584: else
585: am__leading_dot=_
586: fi
587: rmdir .tst 2>/dev/null
588: AC_SUBST([am__leading_dot])])
589:
590: # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
591: # From Jim Meyering
592:
1.6 ! ohara 593: # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
1.5 ohara 594: # Free Software Foundation, Inc.
595: #
596: # This file is free software; the Free Software Foundation
597: # gives unlimited permission to copy and/or distribute it,
598: # with or without modifications, as long as this notice is preserved.
599:
1.6 ! ohara 600: # serial 5
1.5 ohara 601:
1.6 ! ohara 602: # AM_MAINTAINER_MODE([DEFAULT-MODE])
! 603: # ----------------------------------
! 604: # Control maintainer-specific portions of Makefiles.
! 605: # Default is to disable them, unless `enable' is passed literally.
! 606: # For symmetry, `disable' may be passed as well. Anyway, the user
! 607: # can override the default with the --enable/--disable switch.
1.5 ohara 608: AC_DEFUN([AM_MAINTAINER_MODE],
1.6 ! ohara 609: [m4_case(m4_default([$1], [disable]),
! 610: [enable], [m4_define([am_maintainer_other], [disable])],
! 611: [disable], [m4_define([am_maintainer_other], [enable])],
! 612: [m4_define([am_maintainer_other], [enable])
! 613: m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
! 614: AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
! 615: dnl maintainer-mode's default is 'disable' unless 'enable' is passed
! 616: AC_ARG_ENABLE([maintainer-mode],
! 617: [ --][am_maintainer_other][-maintainer-mode am_maintainer_other make rules and dependencies not useful
1.5 ohara 618: (and sometimes confusing) to the casual installer],
1.6 ! ohara 619: [USE_MAINTAINER_MODE=$enableval],
! 620: [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
1.5 ohara 621: AC_MSG_RESULT([$USE_MAINTAINER_MODE])
1.6 ! ohara 622: AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
1.5 ohara 623: MAINT=$MAINTAINER_MODE_TRUE
1.6 ! ohara 624: AC_SUBST([MAINT])dnl
1.5 ohara 625: ]
626: )
627:
628: AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
629:
630: # Check to see how 'make' treats includes. -*- Autoconf -*-
631:
1.6 ! ohara 632: # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
1.5 ohara 633: #
634: # This file is free software; the Free Software Foundation
635: # gives unlimited permission to copy and/or distribute it,
636: # with or without modifications, as long as this notice is preserved.
637:
1.6 ! ohara 638: # serial 4
1.1 ohara 639:
640: # AM_MAKE_INCLUDE()
641: # -----------------
642: # Check to see how make treats includes.
643: AC_DEFUN([AM_MAKE_INCLUDE],
644: [am_make=${MAKE-make}
645: cat > confinc << 'END'
1.5 ohara 646: am__doit:
1.6 ! ohara 647: @echo this is the am__doit target
1.5 ohara 648: .PHONY: am__doit
1.1 ohara 649: END
650: # If we don't find an include directive, just comment out the code.
651: AC_MSG_CHECKING([for style of include used by $am_make])
1.5 ohara 652: am__include="#"
1.1 ohara 653: am__quote=
654: _am_result=none
655: # First try GNU make style include.
656: echo "include confinc" > confmf
1.6 ! ohara 657: # Ignore all kinds of additional output from `make'.
! 658: case `$am_make -s -f confmf 2> /dev/null` in #(
! 659: *the\ am__doit\ target*)
! 660: am__include=include
! 661: am__quote=
! 662: _am_result=GNU
! 663: ;;
! 664: esac
1.1 ohara 665: # Now try BSD make style include.
666: if test "$am__include" = "#"; then
667: echo '.include "confinc"' > confmf
1.6 ! ohara 668: case `$am_make -s -f confmf 2> /dev/null` in #(
! 669: *the\ am__doit\ target*)
! 670: am__include=.include
! 671: am__quote="\""
! 672: _am_result=BSD
! 673: ;;
! 674: esac
1.1 ohara 675: fi
1.5 ohara 676: AC_SUBST([am__include])
677: AC_SUBST([am__quote])
678: AC_MSG_RESULT([$_am_result])
1.1 ohara 679: rm -f confinc confmf
680: ])
681:
1.5 ohara 682: # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
683:
1.6 ! ohara 684: # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
1.5 ohara 685: # Free Software Foundation, Inc.
686: #
687: # This file is free software; the Free Software Foundation
688: # gives unlimited permission to copy and/or distribute it,
689: # with or without modifications, as long as this notice is preserved.
690:
1.6 ! ohara 691: # serial 6
1.5 ohara 692:
693: # AM_MISSING_PROG(NAME, PROGRAM)
694: # ------------------------------
695: AC_DEFUN([AM_MISSING_PROG],
696: [AC_REQUIRE([AM_MISSING_HAS_RUN])
697: $1=${$1-"${am_missing_run}$2"}
698: AC_SUBST($1)])
699:
700:
701: # AM_MISSING_HAS_RUN
702: # ------------------
703: # Define MISSING if not defined so far and test if it supports --run.
704: # If it does, set am_missing_run to use it, otherwise, to nothing.
705: AC_DEFUN([AM_MISSING_HAS_RUN],
706: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
707: AC_REQUIRE_AUX_FILE([missing])dnl
1.6 ! ohara 708: if test x"${MISSING+set}" != xset; then
! 709: case $am_aux_dir in
! 710: *\ * | *\ *)
! 711: MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
! 712: *)
! 713: MISSING="\${SHELL} $am_aux_dir/missing" ;;
! 714: esac
! 715: fi
1.5 ohara 716: # Use eval to expand $SHELL
717: if eval "$MISSING --run true"; then
718: am_missing_run="$MISSING --run "
719: else
720: am_missing_run=
721: AC_MSG_WARN([`missing' script is too old or missing])
722: fi
723: ])
724:
725: # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
726: #
727: # This file is free software; the Free Software Foundation
728: # gives unlimited permission to copy and/or distribute it,
729: # with or without modifications, as long as this notice is preserved.
730:
731: # AM_PROG_MKDIR_P
732: # ---------------
733: # Check for `mkdir -p'.
734: AC_DEFUN([AM_PROG_MKDIR_P],
735: [AC_PREREQ([2.60])dnl
736: AC_REQUIRE([AC_PROG_MKDIR_P])dnl
737: dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
738: dnl while keeping a definition of mkdir_p for backward compatibility.
739: dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
740: dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
741: dnl Makefile.ins that do not define MKDIR_P, so we do our own
742: dnl adjustment using top_builddir (which is defined more often than
743: dnl MKDIR_P).
744: AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
745: case $mkdir_p in
746: [[\\/$]]* | ?:[[\\/]]*) ;;
747: */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
748: esac
749: ])
750:
751: # Helper functions for option handling. -*- Autoconf -*-
752:
1.6 ! ohara 753: # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
1.5 ohara 754: #
755: # This file is free software; the Free Software Foundation
756: # gives unlimited permission to copy and/or distribute it,
757: # with or without modifications, as long as this notice is preserved.
758:
1.6 ! ohara 759: # serial 4
1.1 ohara 760:
1.5 ohara 761: # _AM_MANGLE_OPTION(NAME)
762: # -----------------------
763: AC_DEFUN([_AM_MANGLE_OPTION],
764: [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
765:
766: # _AM_SET_OPTION(NAME)
767: # ------------------------------
768: # Set option NAME. Presently that only means defining a flag for this option.
769: AC_DEFUN([_AM_SET_OPTION],
770: [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
771:
772: # _AM_SET_OPTIONS(OPTIONS)
773: # ----------------------------------
774: # OPTIONS is a space-separated list of Automake options.
775: AC_DEFUN([_AM_SET_OPTIONS],
1.6 ! ohara 776: [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1.5 ohara 777:
778: # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
779: # -------------------------------------------
780: # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
781: AC_DEFUN([_AM_IF_OPTION],
782: [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
783:
784: # Check to make sure that the build environment is sane. -*- Autoconf -*-
785:
1.6 ! ohara 786: # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
1.5 ohara 787: # Free Software Foundation, Inc.
1.1 ohara 788: #
1.5 ohara 789: # This file is free software; the Free Software Foundation
790: # gives unlimited permission to copy and/or distribute it,
791: # with or without modifications, as long as this notice is preserved.
792:
1.6 ! ohara 793: # serial 5
1.5 ohara 794:
795: # AM_SANITY_CHECK
796: # ---------------
797: AC_DEFUN([AM_SANITY_CHECK],
798: [AC_MSG_CHECKING([whether build environment is sane])
799: # Just in case
800: sleep 1
801: echo timestamp > conftest.file
1.6 ! ohara 802: # Reject unsafe characters in $srcdir or the absolute working directory
! 803: # name. Accept space and tab only in the latter.
! 804: am_lf='
! 805: '
! 806: case `pwd` in
! 807: *[[\\\"\#\$\&\'\`$am_lf]]*)
! 808: AC_MSG_ERROR([unsafe absolute working directory name]);;
! 809: esac
! 810: case $srcdir in
! 811: *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
! 812: AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
! 813: esac
! 814:
1.5 ohara 815: # Do `set' in a subshell so we don't clobber the current shell's
816: # arguments. Must try -L first in case configure is actually a
817: # symlink; some systems play weird games with the mod time of symlinks
818: # (eg FreeBSD returns the mod time of the symlink's containing
819: # directory).
820: if (
1.6 ! ohara 821: set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1.5 ohara 822: if test "$[*]" = "X"; then
823: # -L didn't work.
1.6 ! ohara 824: set X `ls -t "$srcdir/configure" conftest.file`
1.5 ohara 825: fi
826: rm -f conftest.file
827: if test "$[*]" != "X $srcdir/configure conftest.file" \
828: && test "$[*]" != "X conftest.file $srcdir/configure"; then
829:
830: # If neither matched, then we have a broken ls. This can happen
831: # if, for instance, CONFIG_SHELL is bash and it inherits a
832: # broken ls alias from the environment. This has actually
833: # happened. Such a system could not be considered "sane".
834: AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
835: alias in your environment])
836: fi
837:
838: test "$[2]" = conftest.file
839: )
840: then
841: # Ok.
842: :
1.1 ohara 843: else
1.5 ohara 844: AC_MSG_ERROR([newly created file is older than distributed files!
845: Check your system clock])
846: fi
847: AC_MSG_RESULT(yes)])
848:
849: # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
850: #
851: # This file is free software; the Free Software Foundation
852: # gives unlimited permission to copy and/or distribute it,
853: # with or without modifications, as long as this notice is preserved.
854:
855: # AM_PROG_INSTALL_STRIP
856: # ---------------------
857: # One issue with vendor `install' (even GNU) is that you can't
858: # specify the program used to strip binaries. This is especially
859: # annoying in cross-compiling environments, where the build's strip
860: # is unlikely to handle the host's binaries.
861: # Fortunately install-sh will honor a STRIPPROG variable, so we
862: # always use install-sh in `make install-strip', and initialize
863: # STRIPPROG with the value of the STRIP variable (set by the user).
864: AC_DEFUN([AM_PROG_INSTALL_STRIP],
865: [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
866: # Installed binaries are usually stripped using `strip' when the user
867: # run `make install-strip'. However `strip' might not be the right
868: # tool to use in cross-compilation environments, therefore Automake
869: # will honor the `STRIP' environment variable to overrule this program.
870: dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
871: if test "$cross_compiling" != no; then
872: AC_CHECK_TOOL([STRIP], [strip], :)
873: fi
874: INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
875: AC_SUBST([INSTALL_STRIP_PROGRAM])])
876:
1.6 ! ohara 877: # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
1.5 ohara 878: #
879: # This file is free software; the Free Software Foundation
880: # gives unlimited permission to copy and/or distribute it,
881: # with or without modifications, as long as this notice is preserved.
882:
1.6 ! ohara 883: # serial 2
! 884:
1.5 ohara 885: # _AM_SUBST_NOTMAKE(VARIABLE)
886: # ---------------------------
1.6 ! ohara 887: # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1.5 ohara 888: # This macro is traced by Automake.
889: AC_DEFUN([_AM_SUBST_NOTMAKE])
1.2 noro 890:
1.6 ! ohara 891: # AM_SUBST_NOTMAKE(VARIABLE)
! 892: # ---------------------------
! 893: # Public sister of _AM_SUBST_NOTMAKE.
! 894: AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
! 895:
1.5 ohara 896: # Check how to create a tarball. -*- Autoconf -*-
1.1 ohara 897:
1.5 ohara 898: # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
899: #
900: # This file is free software; the Free Software Foundation
901: # gives unlimited permission to copy and/or distribute it,
902: # with or without modifications, as long as this notice is preserved.
1.4 noro 903:
1.5 ohara 904: # serial 2
1.4 noro 905:
1.5 ohara 906: # _AM_PROG_TAR(FORMAT)
907: # --------------------
908: # Check how to create a tarball in format FORMAT.
909: # FORMAT should be one of `v7', `ustar', or `pax'.
910: #
911: # Substitute a variable $(am__tar) that is a command
912: # writing to stdout a FORMAT-tarball containing the directory
913: # $tardir.
914: # tardir=directory && $(am__tar) > result.tar
915: #
916: # Substitute a variable $(am__untar) that extract such
917: # a tarball read from stdin.
918: # $(am__untar) < result.tar
919: AC_DEFUN([_AM_PROG_TAR],
920: [# Always define AMTAR for backward compatibility.
921: AM_MISSING_PROG([AMTAR], [tar])
922: m4_if([$1], [v7],
923: [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
924: [m4_case([$1], [ustar],, [pax],,
925: [m4_fatal([Unknown tar format])])
926: AC_MSG_CHECKING([how to create a $1 tar archive])
927: # Loop over all known methods to create a tar archive until one works.
928: _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
929: _am_tools=${am_cv_prog_tar_$1-$_am_tools}
930: # Do not fold the above two line into one, because Tru64 sh and
931: # Solaris sh will not grok spaces in the rhs of `-'.
932: for _am_tool in $_am_tools
933: do
934: case $_am_tool in
935: gnutar)
936: for _am_tar in tar gnutar gtar;
937: do
938: AM_RUN_LOG([$_am_tar --version]) && break
939: done
940: am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
941: am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
942: am__untar="$_am_tar -xf -"
943: ;;
944: plaintar)
945: # Must skip GNU tar: if it does not support --format= it doesn't create
946: # ustar tarball either.
947: (tar --version) >/dev/null 2>&1 && continue
948: am__tar='tar chf - "$$tardir"'
949: am__tar_='tar chf - "$tardir"'
950: am__untar='tar xf -'
951: ;;
952: pax)
953: am__tar='pax -L -x $1 -w "$$tardir"'
954: am__tar_='pax -L -x $1 -w "$tardir"'
955: am__untar='pax -r'
956: ;;
957: cpio)
958: am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
959: am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
960: am__untar='cpio -i -H $1 -d'
961: ;;
962: none)
963: am__tar=false
964: am__tar_=false
965: am__untar=false
966: ;;
967: esac
1.4 noro 968:
1.5 ohara 969: # If the value was cached, stop now. We just wanted to have am__tar
970: # and am__untar set.
971: test -n "${am_cv_prog_tar_$1}" && break
1.3 ohara 972:
1.5 ohara 973: # tar/untar a dummy directory, and stop if the command works
974: rm -rf conftest.dir
975: mkdir conftest.dir
976: echo GrepMe > conftest.dir/file
977: AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
978: rm -rf conftest.dir
979: if test -s conftest.tar; then
980: AM_RUN_LOG([$am__untar <conftest.tar])
981: grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
982: fi
983: done
984: rm -rf conftest.dir
1.3 ohara 985:
1.5 ohara 986: AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
987: AC_MSG_RESULT([$am_cv_prog_tar_$1])])
988: AC_SUBST([am__tar])
989: AC_SUBST([am__untar])
990: ]) # _AM_PROG_TAR
1.3 ohara 991:
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