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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.
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278 # Free Software Foundation, Inc.
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679 # $(mkdir_p) $(DESTDIR)$(somedir)
680 # so it does not work when $(somedir) is undefined and
682 # To support the latter case, we have to write
683 # test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
684 # so the `.' trick is pointless.
685 mkdir_p='mkdir -p --'
687 # On NextStep and OpenStep, the `mkdir' command does not
688 # recognize any option. It will interpret all options as
689 # directories to create, and then abort because `.' already
691 for d in ./-p ./--version;
693 test -d $d && rmdir $d
695 # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
696 if test -f "$ac_aux_dir/mkinstalldirs"; then
697 mkdir_p='$(mkinstalldirs)'
699 mkdir_p='$(install_sh) -d'
702 AC_SUBST([mkdir_p])])
704 # Helper functions for option handling. -*- Autoconf -*-
706 # Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
708 # This file is free software; the Free Software Foundation
709 # gives unlimited permission to copy and/or distribute it,
710 # with or without modifications, as long as this notice is preserved.
714 # _AM_MANGLE_OPTION(NAME)
715 # -----------------------
716 AC_DEFUN([_AM_MANGLE_OPTION],
717 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
719 # _AM_SET_OPTION(NAME)
720 # ------------------------------
721 # Set option NAME. Presently that only means defining a flag for this option.
722 AC_DEFUN([_AM_SET_OPTION],
723 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
725 # _AM_SET_OPTIONS(OPTIONS)
726 # ----------------------------------
727 # OPTIONS is a space-separated list of Automake options.
728 AC_DEFUN([_AM_SET_OPTIONS],
729 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
731 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
732 # -------------------------------------------
733 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
734 AC_DEFUN([_AM_IF_OPTION],
735 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
737 # Check to make sure that the build environment is sane. -*- Autoconf -*-
739 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
740 # Free Software Foundation, Inc.
742 # This file is free software; the Free Software Foundation
743 # gives unlimited permission to copy and/or distribute it,
744 # with or without modifications, as long as this notice is preserved.
750 AC_DEFUN([AM_SANITY_CHECK],
751 [AC_MSG_CHECKING([whether build environment is sane])
754 echo timestamp > conftest.file
755 # Do `set' in a subshell so we don't clobber the current shell's
756 # arguments. Must try -L first in case configure is actually a
757 # symlink; some systems play weird games with the mod time of symlinks
758 # (eg FreeBSD returns the mod time of the symlink's containing
761 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
762 if test "$[*]" = "X"; then
764 set X `ls -t $srcdir/configure conftest.file`
767 if test "$[*]" != "X $srcdir/configure conftest.file" \
768 && test "$[*]" != "X conftest.file $srcdir/configure"; then
770 # If neither matched, then we have a broken ls. This can happen
771 # if, for instance, CONFIG_SHELL is bash and it inherits a
772 # broken ls alias from the environment. This has actually
773 # happened. Such a system could not be considered "sane".
774 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
775 alias in your environment])
778 test "$[2]" = conftest.file
784 AC_MSG_ERROR([newly created file is older than distributed files!
785 Check your system clock])
789 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
791 # This file is free software; the Free Software Foundation
792 # gives unlimited permission to copy and/or distribute it,
793 # with or without modifications, as long as this notice is preserved.
795 # AM_PROG_INSTALL_STRIP
796 # ---------------------
797 # One issue with vendor `install' (even GNU) is that you can't
798 # specify the program used to strip binaries. This is especially
799 # annoying in cross-compiling environments, where the build's strip
800 # is unlikely to handle the host's binaries.
801 # Fortunately install-sh will honor a STRIPPROG variable, so we
802 # always use install-sh in `make install-strip', and initialize
803 # STRIPPROG with the value of the STRIP variable (set by the user).
804 AC_DEFUN([AM_PROG_INSTALL_STRIP],
805 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
806 # Installed binaries are usually stripped using `strip' when the user
807 # run `make install-strip'. However `strip' might not be the right
808 # tool to use in cross-compilation environments, therefore Automake
809 # will honor the `STRIP' environment variable to overrule this program.
810 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
811 if test "$cross_compiling" != no; then
812 AC_CHECK_TOOL([STRIP], [strip], :)
814 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
815 AC_SUBST([INSTALL_STRIP_PROGRAM])])
817 # Check how to create a tarball. -*- Autoconf -*-
819 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
821 # This file is free software; the Free Software Foundation
822 # gives unlimited permission to copy and/or distribute it,
823 # with or without modifications, as long as this notice is preserved.
827 # _AM_PROG_TAR(FORMAT)
828 # --------------------
829 # Check how to create a tarball in format FORMAT.
830 # FORMAT should be one of `v7', `ustar', or `pax'.
832 # Substitute a variable $(am__tar) that is a command
833 # writing to stdout a FORMAT-tarball containing the directory
835 # tardir=directory && $(am__tar) > result.tar
837 # Substitute a variable $(am__untar) that extract such
838 # a tarball read from stdin.
839 # $(am__untar) < result.tar
840 AC_DEFUN([_AM_PROG_TAR],
841 [# Always define AMTAR for backward compatibility.
842 AM_MISSING_PROG([AMTAR], [tar])
844 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
845 [m4_case([$1], [ustar],, [pax],,
846 [m4_fatal([Unknown tar format])])
847 AC_MSG_CHECKING([how to create a $1 tar archive])
848 # Loop over all known methods to create a tar archive until one works.
849 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
850 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
851 # Do not fold the above two line into one, because Tru64 sh and
852 # Solaris sh will not grok spaces in the rhs of `-'.
853 for _am_tool in $_am_tools
857 for _am_tar in tar gnutar gtar;
859 AM_RUN_LOG([$_am_tar --version]) && break
861 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
862 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
863 am__untar="$_am_tar -xf -"
866 # Must skip GNU tar: if it does not support --format= it doesn't create
867 # ustar tarball either.
868 (tar --version) >/dev/null 2>&1 && continue
869 am__tar='tar chf - "$$tardir"'
870 am__tar_='tar chf - "$tardir"'
874 am__tar='pax -L -x $1 -w "$$tardir"'
875 am__tar_='pax -L -x $1 -w "$tardir"'
879 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
880 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
881 am__untar='cpio -i -H $1 -d'
890 # If the value was cached, stop now. We just wanted to have am__tar
892 test -n "${am_cv_prog_tar_$1}" && break
894 # tar/untar a dummy directory, and stop if the command works
897 echo GrepMe > conftest.dir/file
898 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
900 if test -s conftest.tar; then
901 AM_RUN_LOG([$am__untar <conftest.tar])
902 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
907 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
908 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
910 AC_SUBST([am__untar])
913 m4_include([acinclude.m4])