boehm-gc/aclocal.m4

   1 # generated automatically by aclocal 1.9 -*- Autoconf -*-
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   3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
   4 # Free Software Foundation, Inc.
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  14 #                                                        -*- Autoconf -*-
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  23 # This program is distributed in the hope that it will be useful,
  24 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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  26 # GNU General Public License for more details.
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  49 # This program is free software; you can redistribute it and/or modify
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 118 # This program is distributed in the hope that it will be useful,
 119 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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 152 # serial 7                                              -*- Autoconf -*-
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 154 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
 155 # Free Software Foundation, Inc.
 156
 157 # This program is free software; you can redistribute it and/or modify
 158 # it under the terms of the GNU General Public License as published by
 159 # the Free Software Foundation; either version 2, or (at your option)
 160 # any later version.
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 162 # This program is distributed in the hope that it will be useful,
 163 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 164 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 165 # GNU General Public License for more details.
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 168 # along with this program; if not, write to the Free Software
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 323 #   Free Software Foundation, Inc.
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 333 # GNU General Public License for more details.
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 405 # Free Software Foundation, Inc.
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 412 # This program is distributed in the hope that it will be useful,
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 415 # GNU General Public License for more details.
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 550 #                                                          -*- Autoconf -*-
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 553 # This program is free software; you can redistribute it and/or modify
 554 # it under the terms of the GNU General Public License as published by
 555 # the Free Software Foundation; either version 2, or (at your option)
 556 # any later version.
 557
 558 # This program is distributed in the hope that it will be useful,
 559 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 560 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 561 # GNU General Public License for more details.
 562
 563 # You should have received a copy of the GNU General Public License
 564 # along with this program; if not, write to the Free Software
 565 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 566 # 02111-1307, USA.
 567
 568 # serial 1
 569
 570 # Check whether the underlying file-system supports filenames
 571 # with a leading dot.  For instance MS-DOS doesn't.
 572 AC_DEFUN([AM_SET_LEADING_DOT],
 573 [rm -rf .tst 2>/dev/null
 574 mkdir .tst 2>/dev/null
 575 if test -d .tst; then
 576   am__leading_dot=.
 577 else
 578   am__leading_dot=_
 579 fi
 580 rmdir .tst 2>/dev/null
 581 AC_SUBST([am__leading_dot])])
 582
 583 # Add --enable-maintainer-mode option to configure.
 584 # From Jim Meyering
 585
 586 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004
 587 # Free Software Foundation, Inc.
 588
 589 # This program is free software; you can redistribute it and/or modify
 590 # it under the terms of the GNU General Public License as published by
 591 # the Free Software Foundation; either version 2, or (at your option)
 592 # any later version.
 593
 594 # This program is distributed in the hope that it will be useful,
 595 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 596 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 597 # GNU General Public License for more details.
 598
 599 # You should have received a copy of the GNU General Public License
 600 # along with this program; if not, write to the Free Software
 601 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 602 # 02111-1307, USA.
 603
 604 # serial 3
 605
 606 AC_DEFUN([AM_MAINTAINER_MODE],
 607 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 608   dnl maintainer-mode is disabled by default
 609   AC_ARG_ENABLE(maintainer-mode,
 610 [  --enable-maintainer-mode  enable make rules and dependencies not useful
 611                           (and sometimes confusing) to the casual installer],
 612       USE_MAINTAINER_MODE=$enableval,
 613       USE_MAINTAINER_MODE=no)
 614   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
 615   AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])
 616   MAINT=$MAINTAINER_MODE_TRUE
 617   AC_SUBST(MAINT)dnl
 618 ]
 619 )
 620
 621 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
 622
 623 # Check to see how 'make' treats includes.      -*- Autoconf -*-
 624
 625 # Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
 626
 627 # This program is free software; you can redistribute it and/or modify
 628 # it under the terms of the GNU General Public License as published by
 629 # the Free Software Foundation; either version 2, or (at your option)
 630 # any later version.
 631
 632 # This program is distributed in the hope that it will be useful,
 633 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 634 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 635 # GNU General Public License for more details.
 636
 637 # You should have received a copy of the GNU General Public License
 638 # along with this program; if not, write to the Free Software
 639 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 640 # 02111-1307, USA.
 641
 642 # serial 2
 643
 644 # AM_MAKE_INCLUDE()
 645 # -----------------
 646 # Check to see how make treats includes.
 647 AC_DEFUN([AM_MAKE_INCLUDE],
 648 [am_make=${MAKE-make}
 649 cat > confinc << 'END'
 650 am__doit:
 651         @echo done
 652 .PHONY: am__doit
 653 END
 654 # If we don't find an include directive, just comment out the code.
 655 AC_MSG_CHECKING([for style of include used by $am_make])
 656 am__include="#"
 657 am__quote=
 658 _am_result=none
 659 # First try GNU make style include.
 660 echo "include confinc" > confmf
 661 # We grep out `Entering directory' and `Leaving directory'
 662 # messages which can occur if `w' ends up in MAKEFLAGS.
 663 # In particular we don't look at `^make:' because GNU make might
 664 # be invoked under some other name (usually "gmake"), in which
 665 # case it prints its new name instead of `make'.
 666 if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
 667    am__include=include
 668    am__quote=
 669    _am_result=GNU
 670 fi
 671 # Now try BSD make style include.
 672 if test "$am__include" = "#"; then
 673    echo '.include "confinc"' > confmf
 674    if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
 675       am__include=.include
 676       am__quote="\""
 677       _am_result=BSD
 678    fi
 679 fi
 680 AC_SUBST([am__include])
 681 AC_SUBST([am__quote])
 682 AC_MSG_RESULT([$_am_result])
 683 rm -f confinc confmf
 684 ])
 685
 686 # serial 2
 687
 688 # AM_PROG_CC_C_O
 689 # --------------
 690 # Like AC_PROG_CC_C_O, but changed for automake.
 691
 692 # Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
 693
 694 # This program is free software; you can redistribute it and/or modify
 695 # it under the terms of the GNU General Public License as published by
 696 # the Free Software Foundation; either version 2, or (at your option)
 697 # any later version.
 698
 699 # This program is distributed in the hope that it will be useful,
 700 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 701 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 702 # GNU General Public License for more details.
 703
 704 # You should have received a copy of the GNU General Public License
 705 # along with this program; if not, write to the Free Software
 706 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 707 # 02111-1307, USA.
 708
 709 AC_DEFUN([AM_PROG_CC_C_O],
 710 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
 711 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 712 # FIXME: we rely on the cache variable name because
 713 # there is no other way.
 714 set dummy $CC
 715 ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
 716 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
 717    # Losing compiler, so override with the script.
 718    # FIXME: It is wrong to rewrite CC.
 719    # But if we don't then we get into trouble of one sort or another.
 720    # A longer-term fix would be to have automake use am__CC in this case,
 721    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
 722    CC="$am_aux_dir/compile $CC"
 723 fi
 724 ])
 725
 726 #  -*- Autoconf -*-
 727
 728
 729 # Copyright (C) 1997, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
 730
 731 # This program is free software; you can redistribute it and/or modify
 732 # it under the terms of the GNU General Public License as published by
 733 # the Free Software Foundation; either version 2, or (at your option)
 734 # any later version.
 735
 736 # This program is distributed in the hope that it will be useful,
 737 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 738 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 739 # GNU General Public License for more details.
 740
 741 # You should have received a copy of the GNU General Public License
 742 # along with this program; if not, write to the Free Software
 743 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 744 # 02111-1307, USA.
 745
 746 # serial 3
 747
 748 # AM_MISSING_PROG(NAME, PROGRAM)
 749 # ------------------------------
 750 AC_DEFUN([AM_MISSING_PROG],
 751 [AC_REQUIRE([AM_MISSING_HAS_RUN])
 752 $1=${$1-"${am_missing_run}$2"}
 753 AC_SUBST($1)])
 754
 755
 756 # AM_MISSING_HAS_RUN
 757 # ------------------
 758 # Define MISSING if not defined so far and test if it supports --run.
 759 # If it does, set am_missing_run to use it, otherwise, to nothing.
 760 AC_DEFUN([AM_MISSING_HAS_RUN],
 761 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 762 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
 763 # Use eval to expand $SHELL
 764 if eval "$MISSING --run true"; then
 765   am_missing_run="$MISSING --run "
 766 else
 767   am_missing_run=
 768   AC_MSG_WARN([`missing' script is too old or missing])
 769 fi
 770 ])
 771
 772 # AM_PROG_MKDIR_P
 773 # ---------------
 774 # Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
 775
 776 # Copyright (C) 2003, 2004 Free Software Foundation, Inc.
 777
 778 # This program is free software; you can redistribute it and/or modify
 779 # it under the terms of the GNU General Public License as published by
 780 # the Free Software Foundation; either version 2, or (at your option)
 781 # any later version.
 782
 783 # This program is distributed in the hope that it will be useful,
 784 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 785 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 786 # GNU General Public License for more details.
 787
 788 # You should have received a copy of the GNU General Public License
 789 # along with this program; if not, write to the Free Software
 790 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 791 # 02111-1307, USA.
 792
 793 # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
 794 # created by `make install' are always world readable, even if the
 795 # installer happens to have an overly restrictive umask (e.g. 077).
 796 # This was a mistake.  There are at least two reasons why we must not
 797 # use `-m 0755':
 798 #   - it causes special bits like SGID to be ignored,
 799 #   - it may be too restrictive (some setups expect 775 directories).
 800 #
 801 # Do not use -m 0755 and let people choose whatever they expect by
 802 # setting umask.
 803 #
 804 # We cannot accept any implementation of `mkdir' that recognizes `-p'.
 805 # Some implementations (such as Solaris 8's) are not thread-safe: if a
 806 # parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
 807 # concurrently, both version can detect that a/ is missing, but only
 808 # one can create it and the other will error out.  Consequently we
 809 # restrict ourselves to GNU make (using the --version option ensures
 810 # this.)
 811 AC_DEFUN([AM_PROG_MKDIR_P],
 812 [if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
 813   # We used to keeping the `.' as first argument, in order to
 814   # allow $(mkdir_p) to be used without argument.  As in
 815   #   $(mkdir_p) $(somedir)
 816   # where $(somedir) is conditionally defined.  However this is wrong
 817   # for two reasons:
 818   #  1. if the package is installed by a user who cannot write `.'
 819   #     make install will fail,
 820   #  2. the above comment should most certainly read
 821   #     $(mkdir_p) $(DESTDIR)$(somedir)
 822   #     so it does not work when $(somedir) is undefined and
 823   #     $(DESTDIR) is not.
 824   #  To support the latter case, we have to write
 825   #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
 826   #  so the `.' trick is pointless.
 827   mkdir_p='mkdir -p --'
 828 else
 829   # On NextStep and OpenStep, the `mkdir' command does not
 830   # recognize any option.  It will interpret all options as
 831   # directories to create, and then abort because `.' already
 832   # exists.
 833   for d in ./-p ./--version;
 834   do
 835     test -d $d && rmdir $d
 836   done
 837   # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
 838   if test -f "$ac_aux_dir/mkinstalldirs"; then
 839     mkdir_p='$(mkinstalldirs)'
 840   else
 841     mkdir_p='$(install_sh) -d'
 842   fi
 843 fi
 844 AC_SUBST([mkdir_p])])
 845
 846 # Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004
 847 # Free Software Foundation, Inc.
 848
 849 # This program is free software; you can redistribute it and/or modify
 850 # it under the terms of the GNU General Public License as published by
 851 # the Free Software Foundation; either version 2, or (at your option)
 852 # any later version.
 853
 854 # This program is distributed in the hope that it will be useful,
 855 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 856 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 857 # GNU General Public License for more details.
 858
 859 # You should have received a copy of the GNU General Public License
 860 # along with this program; if not, write to the Free Software
 861 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 862 # 02111-1307, USA.
 863
 864 # serial 4
 865
 866 # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
 867 # ---------------------------------------------------
 868 # Add --enable-multilib to configure.
 869 AC_DEFUN([AM_ENABLE_MULTILIB],
 870 [# Default to --enable-multilib
 871 AC_ARG_ENABLE(multilib,
 872 [  --enable-multilib       build many library versions (default)],
 873 [case "$enableval" in
 874   yes) multilib=yes ;;
 875   no)  multilib=no ;;
 876   *)   AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
 877  esac],
 878               [multilib=yes])
 879
 880 # We may get other options which we leave undocumented:
 881 # --with-target-subdir, --with-multisrctop, --with-multisubdir
 882 # See config-ml.in if you want the gory details.
 883
 884 if test "$srcdir" = "."; then
 885   if test "$with_target_subdir" != "."; then
 886     multi_basedir="$srcdir/$with_multisrctop../$2"
 887   else
 888     multi_basedir="$srcdir/$with_multisrctop$2"
 889   fi
 890 else
 891   multi_basedir="$srcdir/$2"
 892 fi
 893 AC_SUBST(multi_basedir)
 894
 895 AC_OUTPUT_COMMANDS([
 896 # Only add multilib support code if we just rebuilt the top-level
 897 # Makefile.
 898 case " $CONFIG_FILES " in
 899  *" ]m4_default([$1],Makefile)[ "*)
 900    ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
 901    ;;
 902 esac],
 903                    [
 904 srcdir="$srcdir"
 905 host="$host"
 906 target="$target"
 907 with_multisubdir="$with_multisubdir"
 908 with_multisrctop="$with_multisrctop"
 909 with_target_subdir="$with_target_subdir"
 910 ac_configure_args="${multilib_arg} ${ac_configure_args}"
 911 multi_basedir="$multi_basedir"
 912 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 913 CC="$CC"])])dnl
 914
 915 # Helper functions for option handling.                    -*- Autoconf -*-
 916
 917 # Copyright (C) 2001, 2002, 2003  Free Software Foundation, Inc.
 918
 919 # This program is free software; you can redistribute it and/or modify
 920 # it under the terms of the GNU General Public License as published by
 921 # the Free Software Foundation; either version 2, or (at your option)
 922 # any later version.
 923
 924 # This program is distributed in the hope that it will be useful,
 925 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 926 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 927 # GNU General Public License for more details.
 928
 929 # You should have received a copy of the GNU General Public License
 930 # along with this program; if not, write to the Free Software
 931 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 932 # 02111-1307, USA.
 933
 934 # serial 2
 935
 936 # _AM_MANGLE_OPTION(NAME)
 937 # -----------------------
 938 AC_DEFUN([_AM_MANGLE_OPTION],
 939 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
 940
 941 # _AM_SET_OPTION(NAME)
 942 # ------------------------------
 943 # Set option NAME.  Presently that only means defining a flag for this option.
 944 AC_DEFUN([_AM_SET_OPTION],
 945 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
 946
 947 # _AM_SET_OPTIONS(OPTIONS)
 948 # ----------------------------------
 949 # OPTIONS is a space-separated list of Automake options.
 950 AC_DEFUN([_AM_SET_OPTIONS],
 951 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
 952
 953 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
 954 # -------------------------------------------
 955 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
 956 AC_DEFUN([_AM_IF_OPTION],
 957 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 958
 959 #
 960 # Check to make sure that the build environment is sane.
 961 #
 962
 963 # Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc.
 964
 965 # This program is free software; you can redistribute it and/or modify
 966 # it under the terms of the GNU General Public License as published by
 967 # the Free Software Foundation; either version 2, or (at your option)
 968 # any later version.
 969
 970 # This program is distributed in the hope that it will be useful,
 971 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 972 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 973 # GNU General Public License for more details.
 974
 975 # You should have received a copy of the GNU General Public License
 976 # along with this program; if not, write to the Free Software
 977 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 978 # 02111-1307, USA.
 979
 980 # serial 3
 981
 982 # AM_SANITY_CHECK
 983 # ---------------
 984 AC_DEFUN([AM_SANITY_CHECK],
 985 [AC_MSG_CHECKING([whether build environment is sane])
 986 # Just in case
 987 sleep 1
 988 echo timestamp > conftest.file
 989 # Do `set' in a subshell so we don't clobber the current shell's
 990 # arguments.  Must try -L first in case configure is actually a
 991 # symlink; some systems play weird games with the mod time of symlinks
 992 # (eg FreeBSD returns the mod time of the symlink's containing
 993 # directory).
 994 if (
 995    set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
 996    if test "$[*]" = "X"; then
 997       # -L didn't work.
 998       set X `ls -t $srcdir/configure conftest.file`
 999    fi
1000    rm -f conftest.file
1001    if test "$[*]" != "X $srcdir/configure conftest.file" \
1002       && test "$[*]" != "X conftest.file $srcdir/configure"; then
1003
1004       # If neither matched, then we have a broken ls.  This can happen
1005       # if, for instance, CONFIG_SHELL is bash and it inherits a
1006       # broken ls alias from the environment.  This has actually
1007       # happened.  Such a system could not be considered "sane".
1008       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
1009 alias in your environment])
1010    fi
1011
1012    test "$[2]" = conftest.file
1013    )
1014 then
1015    # Ok.
1016    :
1017 else
1018    AC_MSG_ERROR([newly created file is older than distributed files!
1019 Check your system clock])
1020 fi
1021 AC_MSG_RESULT(yes)])
1022
1023 # AM_PROG_INSTALL_STRIP
1024
1025 # Copyright (C) 2001, 2003 Free Software Foundation, Inc.
1026
1027 # This program is free software; you can redistribute it and/or modify
1028 # it under the terms of the GNU General Public License as published by
1029 # the Free Software Foundation; either version 2, or (at your option)
1030 # any later version.
1031
1032 # This program is distributed in the hope that it will be useful,
1033 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1034 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1035 # GNU General Public License for more details.
1036
1037 # You should have received a copy of the GNU General Public License
1038 # along with this program; if not, write to the Free Software
1039 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1040 # 02111-1307, USA.
1041
1042 # One issue with vendor `install' (even GNU) is that you can't
1043 # specify the program used to strip binaries.  This is especially
1044 # annoying in cross-compiling environments, where the build's strip
1045 # is unlikely to handle the host's binaries.
1046 # Fortunately install-sh will honor a STRIPPROG variable, so we
1047 # always use install-sh in `make install-strip', and initialize
1048 # STRIPPROG with the value of the STRIP variable (set by the user).
1049 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1050 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1051 # Installed binaries are usually stripped using `strip' when the user
1052 # run `make install-strip'.  However `strip' might not be the right
1053 # tool to use in cross-compilation environments, therefore Automake
1054 # will honor the `STRIP' environment variable to overrule this program.
1055 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
1056 if test "$cross_compiling" != no; then
1057   AC_CHECK_TOOL([STRIP], [strip], :)
1058 fi
1059 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
1060 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1061
1062 # Check how to create a tarball.                            -*- Autoconf -*-
1063
1064 # Copyright (C) 2004  Free Software Foundation, Inc.
1065
1066 # This program is free software; you can redistribute it and/or modify
1067 # it under the terms of the GNU General Public License as published by
1068 # the Free Software Foundation; either version 2, or (at your option)
1069 # any later version.
1070
1071 # This program is distributed in the hope that it will be useful,
1072 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1073 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1074 # GNU General Public License for more details.
1075
1076 # You should have received a copy of the GNU General Public License
1077 # along with this program; if not, write to the Free Software
1078 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1079 # 02111-1307, USA.
1080
1081 # serial 1
1082
1083
1084 # _AM_PROG_TAR(FORMAT)
1085 # --------------------
1086 # Check how to create a tarball in format FORMAT.
1087 # FORMAT should be one of `v7', `ustar', or `pax'.
1088 #
1089 # Substitute a variable $(am__tar) that is a command
1090 # writing to stdout a FORMAT-tarball containing the directory
1091 # $tardir.
1092 #     tardir=directory && $(am__tar) > result.tar
1093 #
1094 # Substitute a variable $(am__untar) that extract such
1095 # a tarball read from stdin.
1096 #     $(am__untar) < result.tar
1097 AC_DEFUN([_AM_PROG_TAR],
1098 [# Always define AMTAR for backward compatibility.
1099 AM_MISSING_PROG([AMTAR], [tar])
1100 m4_if([$1], [v7],
1101      [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
1102      [m4_case([$1], [ustar],, [pax],,
1103               [m4_fatal([Unknown tar format])])
1104 AC_MSG_CHECKING([how to create a $1 tar archive])
1105 # Loop over all known methods to create a tar archive until one works.
1106 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1107 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1108 # Do not fold the above two line into one, because Tru64 sh and
1109 # Solaris sh will not grok spaces in the rhs of `-'.
1110 for _am_tool in $_am_tools
1111 do
1112   case $_am_tool in
1113   gnutar)
1114     for _am_tar in tar gnutar gtar;
1115     do
1116       AM_RUN_LOG([$_am_tar --version]) && break
1117     done
1118     am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1119     am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1120     am__untar="$_am_tar -xf -"
1121     ;;
1122   plaintar)
1123     # Must skip GNU tar: if it does not support --format= it doesn't create
1124     # ustar tarball either.
1125     (tar --version) >/dev/null 2>&1 && continue
1126     am__tar='tar chf - "$$tardir"'
1127     am__tar_='tar chf - "$tardir"'
1128     am__untar='tar xf -'
1129     ;;
1130   pax)
1131     am__tar='pax -L -x $1 -w "$$tardir"'
1132     am__tar_='pax -L -x $1 -w "$tardir"'
1133     am__untar='pax -r'
1134     ;;
1135   cpio)
1136     am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1137     am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1138     am__untar='cpio -i -H $1 -d'
1139     ;;
1140   none)
1141     am__tar=false
1142     am__tar_=false
1143     am__untar=false
1144     ;;
1145   esac
1146
1147   # If the value was cached, stop now.  We just wanted to have am__tar
1148   # and am__untar set.
1149   test -n "${am_cv_prog_tar_$1}" && break
1150
1151   # tar/untar a dummy directory, and stop if the command works
1152   rm -rf conftest.dir
1153   mkdir conftest.dir
1154   echo GrepMe > conftest.dir/file
1155   AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1156   rm -rf conftest.dir
1157   if test -s conftest.tar; then
1158     AM_RUN_LOG([$am__untar <conftest.tar])
1159     grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1160   fi
1161 done
1162 rm -rf conftest.dir
1163
1164 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1165 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1166 AC_SUBST([am__tar])
1167 AC_SUBST([am__untar])
1168 ]) # _AM_PROG_TAR
1169
1170 m4_include([acinclude.m4])