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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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277 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
278 # Free Software Foundation, Inc.
280 # This file is free software; the Free Software Foundation
281 # gives unlimited permission to copy and/or distribute it,
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676 # ----------------------------------
677 # OPTIONS is a space-separated list of Automake options.
678 AC_DEFUN([_AM_SET_OPTIONS],
679 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
681 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
682 # -------------------------------------------
683 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
684 AC_DEFUN([_AM_IF_OPTION],
685 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
687 # Check to make sure that the build environment is sane. -*- Autoconf -*-
689 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
690 # Free Software Foundation, Inc.
692 # This file is free software; the Free Software Foundation
693 # gives unlimited permission to copy and/or distribute it,
694 # with or without modifications, as long as this notice is preserved.
700 AC_DEFUN([AM_SANITY_CHECK],
701 [AC_MSG_CHECKING([whether build environment is sane])
704 echo timestamp > conftest.file
705 # Do `set' in a subshell so we don't clobber the current shell's
706 # arguments. Must try -L first in case configure is actually a
707 # symlink; some systems play weird games with the mod time of symlinks
708 # (eg FreeBSD returns the mod time of the symlink's containing
711 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
712 if test "$[*]" = "X"; then
714 set X `ls -t $srcdir/configure conftest.file`
717 if test "$[*]" != "X $srcdir/configure conftest.file" \
718 && test "$[*]" != "X conftest.file $srcdir/configure"; then
720 # If neither matched, then we have a broken ls. This can happen
721 # if, for instance, CONFIG_SHELL is bash and it inherits a
722 # broken ls alias from the environment. This has actually
723 # happened. Such a system could not be considered "sane".
724 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
725 alias in your environment])
728 test "$[2]" = conftest.file
734 AC_MSG_ERROR([newly created file is older than distributed files!
735 Check your system clock])
739 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
741 # This file is free software; the Free Software Foundation
742 # gives unlimited permission to copy and/or distribute it,
743 # with or without modifications, as long as this notice is preserved.
745 # AM_PROG_INSTALL_STRIP
746 # ---------------------
747 # One issue with vendor `install' (even GNU) is that you can't
748 # specify the program used to strip binaries. This is especially
749 # annoying in cross-compiling environments, where the build's strip
750 # is unlikely to handle the host's binaries.
751 # Fortunately install-sh will honor a STRIPPROG variable, so we
752 # always use install-sh in `make install-strip', and initialize
753 # STRIPPROG with the value of the STRIP variable (set by the user).
754 AC_DEFUN([AM_PROG_INSTALL_STRIP],
755 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
756 # Installed binaries are usually stripped using `strip' when the user
757 # run `make install-strip'. However `strip' might not be the right
758 # tool to use in cross-compilation environments, therefore Automake
759 # will honor the `STRIP' environment variable to overrule this program.
760 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
761 if test "$cross_compiling" != no; then
762 AC_CHECK_TOOL([STRIP], [strip], :)
764 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
765 AC_SUBST([INSTALL_STRIP_PROGRAM])])
767 # Check how to create a tarball. -*- Autoconf -*-
769 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
771 # This file is free software; the Free Software Foundation
772 # gives unlimited permission to copy and/or distribute it,
773 # with or without modifications, as long as this notice is preserved.
777 # _AM_PROG_TAR(FORMAT)
778 # --------------------
779 # Check how to create a tarball in format FORMAT.
780 # FORMAT should be one of `v7', `ustar', or `pax'.
782 # Substitute a variable $(am__tar) that is a command
783 # writing to stdout a FORMAT-tarball containing the directory
785 # tardir=directory && $(am__tar) > result.tar
787 # Substitute a variable $(am__untar) that extract such
788 # a tarball read from stdin.
789 # $(am__untar) < result.tar
790 AC_DEFUN([_AM_PROG_TAR],
791 [# Always define AMTAR for backward compatibility.
792 AM_MISSING_PROG([AMTAR], [tar])
794 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
795 [m4_case([$1], [ustar],, [pax],,
796 [m4_fatal([Unknown tar format])])
797 AC_MSG_CHECKING([how to create a $1 tar archive])
798 # Loop over all known methods to create a tar archive until one works.
799 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
800 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
801 # Do not fold the above two line into one, because Tru64 sh and
802 # Solaris sh will not grok spaces in the rhs of `-'.
803 for _am_tool in $_am_tools
807 for _am_tar in tar gnutar gtar;
809 AM_RUN_LOG([$_am_tar --version]) && break
811 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
812 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
813 am__untar="$_am_tar -xf -"
816 # Must skip GNU tar: if it does not support --format= it doesn't create
817 # ustar tarball either.
818 (tar --version) >/dev/null 2>&1 && continue
819 am__tar='tar chf - "$$tardir"'
820 am__tar_='tar chf - "$tardir"'
824 am__tar='pax -L -x $1 -w "$$tardir"'
825 am__tar_='pax -L -x $1 -w "$tardir"'
829 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
830 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
831 am__untar='cpio -i -H $1 -d'
840 # If the value was cached, stop now. We just wanted to have am__tar
842 test -n "${am_cv_prog_tar_$1}" && break
844 # tar/untar a dummy directory, and stop if the command works
847 echo GrepMe > conftest.dir/file
848 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
850 if test -s conftest.tar; then
851 AM_RUN_LOG([$am__untar <conftest.tar])
852 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
857 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
858 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
860 AC_SUBST([am__untar])
863 m4_include([acinclude.m4])