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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.
9 # This program is distributed in the hope that it will be useful,
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37 # This file is free software; the Free Software Foundation
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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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579 # Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
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642 # Helper functions for option handling. -*- Autoconf -*-
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646 # This file is free software; the Free Software Foundation
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671 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
672 AC_DEFUN([_AM_IF_OPTION],
673 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
675 # Check to make sure that the build environment is sane. -*- Autoconf -*-
677 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
678 # Free Software Foundation, Inc.
680 # This file is free software; the Free Software Foundation
681 # gives unlimited permission to copy and/or distribute it,
682 # with or without modifications, as long as this notice is preserved.
688 AC_DEFUN([AM_SANITY_CHECK],
689 [AC_MSG_CHECKING([whether build environment is sane])
692 echo timestamp > conftest.file
693 # Do `set' in a subshell so we don't clobber the current shell's
694 # arguments. Must try -L first in case configure is actually a
695 # symlink; some systems play weird games with the mod time of symlinks
696 # (eg FreeBSD returns the mod time of the symlink's containing
699 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
700 if test "$[*]" = "X"; then
702 set X `ls -t $srcdir/configure conftest.file`
705 if test "$[*]" != "X $srcdir/configure conftest.file" \
706 && test "$[*]" != "X conftest.file $srcdir/configure"; then
708 # If neither matched, then we have a broken ls. This can happen
709 # if, for instance, CONFIG_SHELL is bash and it inherits a
710 # broken ls alias from the environment. This has actually
711 # happened. Such a system could not be considered "sane".
712 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
713 alias in your environment])
716 test "$[2]" = conftest.file
722 AC_MSG_ERROR([newly created file is older than distributed files!
723 Check your system clock])
727 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
729 # This file is free software; the Free Software Foundation
730 # gives unlimited permission to copy and/or distribute it,
731 # with or without modifications, as long as this notice is preserved.
733 # AM_PROG_INSTALL_STRIP
734 # ---------------------
735 # One issue with vendor `install' (even GNU) is that you can't
736 # specify the program used to strip binaries. This is especially
737 # annoying in cross-compiling environments, where the build's strip
738 # is unlikely to handle the host's binaries.
739 # Fortunately install-sh will honor a STRIPPROG variable, so we
740 # always use install-sh in `make install-strip', and initialize
741 # STRIPPROG with the value of the STRIP variable (set by the user).
742 AC_DEFUN([AM_PROG_INSTALL_STRIP],
743 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
744 # Installed binaries are usually stripped using `strip' when the user
745 # run `make install-strip'. However `strip' might not be the right
746 # tool to use in cross-compilation environments, therefore Automake
747 # will honor the `STRIP' environment variable to overrule this program.
748 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
749 if test "$cross_compiling" != no; then
750 AC_CHECK_TOOL([STRIP], [strip], :)
752 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
753 AC_SUBST([INSTALL_STRIP_PROGRAM])])
755 # Check how to create a tarball. -*- Autoconf -*-
757 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
759 # This file is free software; the Free Software Foundation
760 # gives unlimited permission to copy and/or distribute it,
761 # with or without modifications, as long as this notice is preserved.
765 # _AM_PROG_TAR(FORMAT)
766 # --------------------
767 # Check how to create a tarball in format FORMAT.
768 # FORMAT should be one of `v7', `ustar', or `pax'.
770 # Substitute a variable $(am__tar) that is a command
771 # writing to stdout a FORMAT-tarball containing the directory
773 # tardir=directory && $(am__tar) > result.tar
775 # Substitute a variable $(am__untar) that extract such
776 # a tarball read from stdin.
777 # $(am__untar) < result.tar
778 AC_DEFUN([_AM_PROG_TAR],
779 [# Always define AMTAR for backward compatibility.
780 AM_MISSING_PROG([AMTAR], [tar])
782 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
783 [m4_case([$1], [ustar],, [pax],,
784 [m4_fatal([Unknown tar format])])
785 AC_MSG_CHECKING([how to create a $1 tar archive])
786 # Loop over all known methods to create a tar archive until one works.
787 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
788 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
789 # Do not fold the above two line into one, because Tru64 sh and
790 # Solaris sh will not grok spaces in the rhs of `-'.
791 for _am_tool in $_am_tools
795 for _am_tar in tar gnutar gtar;
797 AM_RUN_LOG([$_am_tar --version]) && break
799 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
800 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
801 am__untar="$_am_tar -xf -"
804 # Must skip GNU tar: if it does not support --format= it doesn't create
805 # ustar tarball either.
806 (tar --version) >/dev/null 2>&1 && continue
807 am__tar='tar chf - "$$tardir"'
808 am__tar_='tar chf - "$tardir"'
812 am__tar='pax -L -x $1 -w "$$tardir"'
813 am__tar_='pax -L -x $1 -w "$tardir"'
817 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
818 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
819 am__untar='cpio -i -H $1 -d'
828 # If the value was cached, stop now. We just wanted to have am__tar
830 test -n "${am_cv_prog_tar_$1}" && break
832 # tar/untar a dummy directory, and stop if the command works
835 echo GrepMe > conftest.dir/file
836 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
838 if test -s conftest.tar; then
839 AM_RUN_LOG([$am__untar <conftest.tar])
840 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
845 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
846 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
848 AC_SUBST([am__untar])
851 m4_include([../m4/fixautomake.m4])
852 m4_include([../m4/libtool.m4])