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3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008, 2009 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.
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627 # First try GNU make style include.
628 echo "include confinc" > confmf
629 # Ignore all kinds of additional output from `make'.
630 case `$am_make -s -f confmf 2> /dev/null` in #(
631 *the\ am__doit\ target*)
637 # Now try BSD make style include.
638 if test "$am__include" = "#"; then
639 echo '.include "confinc"' > confmf
640 case `$am_make -s -f confmf 2> /dev/null` in #(
641 *the\ am__doit\ target*)
648 AC_SUBST([am__include])
649 AC_SUBST([am__quote])
650 AC_MSG_RESULT([$_am_result])
654 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
656 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
657 # Free Software Foundation, Inc.
659 # This file is free software; the Free Software Foundation
660 # gives unlimited permission to copy and/or distribute it,
661 # with or without modifications, as long as this notice is preserved.
665 # AM_MISSING_PROG(NAME, PROGRAM)
666 # ------------------------------
667 AC_DEFUN([AM_MISSING_PROG],
668 [AC_REQUIRE([AM_MISSING_HAS_RUN])
669 $1=${$1-"${am_missing_run}$2"}
675 # Define MISSING if not defined so far and test if it supports --run.
676 # If it does, set am_missing_run to use it, otherwise, to nothing.
677 AC_DEFUN([AM_MISSING_HAS_RUN],
678 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
679 AC_REQUIRE_AUX_FILE([missing])dnl
680 if test x"${MISSING+set}" != xset; then
683 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
685 MISSING="\${SHELL} $am_aux_dir/missing" ;;
688 # Use eval to expand $SHELL
689 if eval "$MISSING --run true"; then
690 am_missing_run="$MISSING --run "
693 AC_MSG_WARN([`missing' script is too old or missing])
697 # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
699 # This file is free software; the Free Software Foundation
700 # gives unlimited permission to copy and/or distribute it,
701 # with or without modifications, as long as this notice is preserved.
705 # Check for `mkdir -p'.
706 AC_DEFUN([AM_PROG_MKDIR_P],
707 [AC_PREREQ([2.60])dnl
708 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
709 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
710 dnl while keeping a definition of mkdir_p for backward compatibility.
711 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
712 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
713 dnl Makefile.ins that do not define MKDIR_P, so we do our own
714 dnl adjustment using top_builddir (which is defined more often than
716 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
718 [[\\/$]]* | ?:[[\\/]]*) ;;
719 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
723 # Helper functions for option handling. -*- Autoconf -*-
725 # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
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.
733 # _AM_MANGLE_OPTION(NAME)
734 # -----------------------
735 AC_DEFUN([_AM_MANGLE_OPTION],
736 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
738 # _AM_SET_OPTION(NAME)
739 # ------------------------------
740 # Set option NAME. Presently that only means defining a flag for this option.
741 AC_DEFUN([_AM_SET_OPTION],
742 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
744 # _AM_SET_OPTIONS(OPTIONS)
745 # ----------------------------------
746 # OPTIONS is a space-separated list of Automake options.
747 AC_DEFUN([_AM_SET_OPTIONS],
748 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
750 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
751 # -------------------------------------------
752 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
753 AC_DEFUN([_AM_IF_OPTION],
754 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
756 # Check to make sure that the build environment is sane. -*- Autoconf -*-
758 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
759 # Free Software Foundation, Inc.
761 # This file is free software; the Free Software Foundation
762 # gives unlimited permission to copy and/or distribute it,
763 # with or without modifications, as long as this notice is preserved.
769 AC_DEFUN([AM_SANITY_CHECK],
770 [AC_MSG_CHECKING([whether build environment is sane])
773 echo timestamp > conftest.file
774 # Reject unsafe characters in $srcdir or the absolute working directory
775 # name. Accept space and tab only in the latter.
779 *[[\\\"\#\$\&\'\`$am_lf]]*)
780 AC_MSG_ERROR([unsafe absolute working directory name]);;
783 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
784 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
787 # Do `set' in a subshell so we don't clobber the current shell's
788 # arguments. Must try -L first in case configure is actually a
789 # symlink; some systems play weird games with the mod time of symlinks
790 # (eg FreeBSD returns the mod time of the symlink's containing
793 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
794 if test "$[*]" = "X"; then
796 set X `ls -t "$srcdir/configure" conftest.file`
799 if test "$[*]" != "X $srcdir/configure conftest.file" \
800 && test "$[*]" != "X conftest.file $srcdir/configure"; then
802 # If neither matched, then we have a broken ls. This can happen
803 # if, for instance, CONFIG_SHELL is bash and it inherits a
804 # broken ls alias from the environment. This has actually
805 # happened. Such a system could not be considered "sane".
806 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
807 alias in your environment])
810 test "$[2]" = conftest.file
816 AC_MSG_ERROR([newly created file is older than distributed files!
817 Check your system clock])
821 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
823 # This file is free software; the Free Software Foundation
824 # gives unlimited permission to copy and/or distribute it,
825 # with or without modifications, as long as this notice is preserved.
827 # AM_PROG_INSTALL_STRIP
828 # ---------------------
829 # One issue with vendor `install' (even GNU) is that you can't
830 # specify the program used to strip binaries. This is especially
831 # annoying in cross-compiling environments, where the build's strip
832 # is unlikely to handle the host's binaries.
833 # Fortunately install-sh will honor a STRIPPROG variable, so we
834 # always use install-sh in `make install-strip', and initialize
835 # STRIPPROG with the value of the STRIP variable (set by the user).
836 AC_DEFUN([AM_PROG_INSTALL_STRIP],
837 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
838 # Installed binaries are usually stripped using `strip' when the user
839 # run `make install-strip'. However `strip' might not be the right
840 # tool to use in cross-compilation environments, therefore Automake
841 # will honor the `STRIP' environment variable to overrule this program.
842 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
843 if test "$cross_compiling" != no; then
844 AC_CHECK_TOOL([STRIP], [strip], :)
846 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
847 AC_SUBST([INSTALL_STRIP_PROGRAM])])
849 # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
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.
857 # _AM_SUBST_NOTMAKE(VARIABLE)
858 # ---------------------------
859 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
860 # This macro is traced by Automake.
861 AC_DEFUN([_AM_SUBST_NOTMAKE])
863 # AM_SUBST_NOTMAKE(VARIABLE)
864 # ---------------------------
865 # Public sister of _AM_SUBST_NOTMAKE.
866 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
868 # Check how to create a tarball. -*- Autoconf -*-
870 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
872 # This file is free software; the Free Software Foundation
873 # gives unlimited permission to copy and/or distribute it,
874 # with or without modifications, as long as this notice is preserved.
878 # _AM_PROG_TAR(FORMAT)
879 # --------------------
880 # Check how to create a tarball in format FORMAT.
881 # FORMAT should be one of `v7', `ustar', or `pax'.
883 # Substitute a variable $(am__tar) that is a command
884 # writing to stdout a FORMAT-tarball containing the directory
886 # tardir=directory && $(am__tar) > result.tar
888 # Substitute a variable $(am__untar) that extract such
889 # a tarball read from stdin.
890 # $(am__untar) < result.tar
891 AC_DEFUN([_AM_PROG_TAR],
892 [# Always define AMTAR for backward compatibility.
893 AM_MISSING_PROG([AMTAR], [tar])
895 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
896 [m4_case([$1], [ustar],, [pax],,
897 [m4_fatal([Unknown tar format])])
898 AC_MSG_CHECKING([how to create a $1 tar archive])
899 # Loop over all known methods to create a tar archive until one works.
900 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
901 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
902 # Do not fold the above two line into one, because Tru64 sh and
903 # Solaris sh will not grok spaces in the rhs of `-'.
904 for _am_tool in $_am_tools
908 for _am_tar in tar gnutar gtar;
910 AM_RUN_LOG([$_am_tar --version]) && break
912 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
913 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
914 am__untar="$_am_tar -xf -"
917 # Must skip GNU tar: if it does not support --format= it doesn't create
918 # ustar tarball either.
919 (tar --version) >/dev/null 2>&1 && continue
920 am__tar='tar chf - "$$tardir"'
921 am__tar_='tar chf - "$tardir"'
925 am__tar='pax -L -x $1 -w "$$tardir"'
926 am__tar_='pax -L -x $1 -w "$tardir"'
930 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
931 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
932 am__untar='cpio -i -H $1 -d'
941 # If the value was cached, stop now. We just wanted to have am__tar
943 test -n "${am_cv_prog_tar_$1}" && break
945 # tar/untar a dummy directory, and stop if the command works
948 echo GrepMe > conftest.dir/file
949 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
951 if test -s conftest.tar; then
952 AM_RUN_LOG([$am__untar <conftest.tar])
953 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
958 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
959 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
961 AC_SUBST([am__untar])