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5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
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602 # Check to see how 'make' treats includes. -*- Autoconf -*-
604 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
606 # This file is free software; the Free Software Foundation
607 # gives unlimited permission to copy and/or distribute it,
608 # with or without modifications, as long as this notice is preserved.
612 # Check to see how make treats includes.
613 AC_DEFUN([AM_MAKE_INCLUDE],
614 [am_make=${MAKE-make}
615 cat > confinc << 'END'
617 @echo this is the am__doit target
620 # If we don't find an include directive, just comment out the code.
621 AC_MSG_CHECKING([for style of include used by $am_make])
625 # First try GNU make style include.
626 echo "include confinc" > confmf
627 # Ignore all kinds of additional output from 'make'.
628 case `$am_make -s -f confmf 2> /dev/null` in #(
629 *the\ am__doit\ target*)
635 # Now try BSD make style include.
636 if test "$am__include" = "#"; then
637 echo '.include "confinc"' > confmf
638 case `$am_make -s -f confmf 2> /dev/null` in #(
639 *the\ am__doit\ target*)
646 AC_SUBST([am__include])
647 AC_SUBST([am__quote])
648 AC_MSG_RESULT([$_am_result])
652 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
654 # Copyright (C) 1997-2012 Free Software Foundation, Inc.
656 # This file is free software; the Free Software Foundation
657 # gives unlimited permission to copy and/or distribute it,
658 # with or without modifications, as long as this notice is preserved.
660 # AM_MISSING_PROG(NAME, PROGRAM)
661 # ------------------------------
662 AC_DEFUN([AM_MISSING_PROG],
663 [AC_REQUIRE([AM_MISSING_HAS_RUN])
664 $1=${$1-"${am_missing_run}$2"}
669 # Define MISSING if not defined so far and test if it supports --run.
670 # If it does, set am_missing_run to use it, otherwise, to nothing.
671 AC_DEFUN([AM_MISSING_HAS_RUN],
672 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
673 AC_REQUIRE_AUX_FILE([missing])dnl
674 if test x"${MISSING+set}" != xset; then
677 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
679 MISSING="\${SHELL} $am_aux_dir/missing" ;;
682 # Use eval to expand $SHELL
683 if eval "$MISSING --run true"; then
684 am_missing_run="$MISSING --run "
687 AC_MSG_WARN(['missing' script is too old or missing])
691 # Helper functions for option handling. -*- Autoconf -*-
693 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
695 # This file is free software; the Free Software Foundation
696 # gives unlimited permission to copy and/or distribute it,
697 # with or without modifications, as long as this notice is preserved.
699 # _AM_MANGLE_OPTION(NAME)
700 # -----------------------
701 AC_DEFUN([_AM_MANGLE_OPTION],
702 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
704 # _AM_SET_OPTION(NAME)
705 # --------------------
706 # Set option NAME. Presently that only means defining a flag for this option.
707 AC_DEFUN([_AM_SET_OPTION],
708 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
710 # _AM_SET_OPTIONS(OPTIONS)
711 # ------------------------
712 # OPTIONS is a space-separated list of Automake options.
713 AC_DEFUN([_AM_SET_OPTIONS],
714 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
716 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
717 # -------------------------------------------
718 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
719 AC_DEFUN([_AM_IF_OPTION],
720 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
722 # Check to make sure that the build environment is sane. -*- Autoconf -*-
724 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
726 # This file is free software; the Free Software Foundation
727 # gives unlimited permission to copy and/or distribute it,
728 # with or without modifications, as long as this notice is preserved.
732 AC_DEFUN([AM_SANITY_CHECK],
733 [AC_MSG_CHECKING([whether build environment is sane])
734 # Reject unsafe characters in $srcdir or the absolute working directory
735 # name. Accept space and tab only in the latter.
739 *[[\\\"\#\$\&\'\`$am_lf]]*)
740 AC_MSG_ERROR([unsafe absolute working directory name]);;
743 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
744 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
747 # Do 'set' in a subshell so we don't clobber the current shell's
748 # arguments. Must try -L first in case configure is actually a
749 # symlink; some systems play weird games with the mod time of symlinks
750 # (eg FreeBSD returns the mod time of the symlink's containing
754 for am_try in 1 2; do
755 echo "timestamp, slept: $am_has_slept" > conftest.file
756 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
757 if test "$[*]" = "X"; then
759 set X `ls -t "$srcdir/configure" conftest.file`
761 if test "$[*]" != "X $srcdir/configure conftest.file" \
762 && test "$[*]" != "X conftest.file $srcdir/configure"; then
764 # If neither matched, then we have a broken ls. This can happen
765 # if, for instance, CONFIG_SHELL is bash and it inherits a
766 # broken ls alias from the environment. This has actually
767 # happened. Such a system could not be considered "sane".
768 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
769 alias in your environment])
771 if test "$[2]" = conftest.file || test $am_try -eq 2; then
778 test "$[2]" = conftest.file
784 AC_MSG_ERROR([newly created file is older than distributed files!
785 Check your system clock])
788 # If we didn't sleep, we still need to ensure time stamps of config.status and
789 # generated files are strictly newer.
791 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
795 AC_CONFIG_COMMANDS_PRE(
796 [AC_MSG_CHECKING([that generated files are newer than configure])
797 if test -n "$am_sleep_pid"; then
798 # Hide warnings about reused PIDs.
799 wait $am_sleep_pid 2>/dev/null
801 AC_MSG_RESULT([done])])
805 # Copyright (C) 2001-2012 Free Software Foundation, Inc.
807 # This file is free software; the Free Software Foundation
808 # gives unlimited permission to copy and/or distribute it,
809 # with or without modifications, as long as this notice is preserved.
811 # AM_PROG_INSTALL_STRIP
812 # ---------------------
813 # One issue with vendor 'install' (even GNU) is that you can't
814 # specify the program used to strip binaries. This is especially
815 # annoying in cross-compiling environments, where the build's strip
816 # is unlikely to handle the host's binaries.
817 # Fortunately install-sh will honor a STRIPPROG variable, so we
818 # always use install-sh in "make install-strip", and initialize
819 # STRIPPROG with the value of the STRIP variable (set by the user).
820 AC_DEFUN([AM_PROG_INSTALL_STRIP],
821 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
822 # Installed binaries are usually stripped using 'strip' when the user
823 # run "make install-strip". However 'strip' might not be the right
824 # tool to use in cross-compilation environments, therefore Automake
825 # will honor the 'STRIP' environment variable to overrule this program.
826 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
827 if test "$cross_compiling" != no; then
828 AC_CHECK_TOOL([STRIP], [strip], :)
830 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
831 AC_SUBST([INSTALL_STRIP_PROGRAM])])
833 # Copyright (C) 2006-2012 Free Software Foundation, Inc.
835 # This file is free software; the Free Software Foundation
836 # gives unlimited permission to copy and/or distribute it,
837 # with or without modifications, as long as this notice is preserved.
839 # _AM_SUBST_NOTMAKE(VARIABLE)
840 # ---------------------------
841 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
842 # This macro is traced by Automake.
843 AC_DEFUN([_AM_SUBST_NOTMAKE])
845 # AM_SUBST_NOTMAKE(VARIABLE)
846 # --------------------------
847 # Public sister of _AM_SUBST_NOTMAKE.
848 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
850 # Check how to create a tarball. -*- Autoconf -*-
852 # Copyright (C) 2004-2012 Free Software Foundation, Inc.
854 # This file is free software; the Free Software Foundation
855 # gives unlimited permission to copy and/or distribute it,
856 # with or without modifications, as long as this notice is preserved.
858 # _AM_PROG_TAR(FORMAT)
859 # --------------------
860 # Check how to create a tarball in format FORMAT.
861 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
863 # Substitute a variable $(am__tar) that is a command
864 # writing to stdout a FORMAT-tarball containing the directory
866 # tardir=directory && $(am__tar) > result.tar
868 # Substitute a variable $(am__untar) that extract such
869 # a tarball read from stdin.
870 # $(am__untar) < result.tar
871 AC_DEFUN([_AM_PROG_TAR],
872 [# Always define AMTAR for backward compatibility. Yes, it's still used
873 # in the wild :-( We should find a proper way to deprecate it ...
874 AC_SUBST([AMTAR], ['$${TAR-tar}'])
876 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
877 [m4_case([$1], [ustar],, [pax],,
878 [m4_fatal([Unknown tar format])])
879 AC_MSG_CHECKING([how to create a $1 tar archive])
880 # Loop over all known methods to create a tar archive until one works.
881 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
882 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
883 # Do not fold the above two line into one, because Tru64 sh and
884 # Solaris sh will not grok spaces in the rhs of '-'.
885 for _am_tool in $_am_tools
889 for _am_tar in tar gnutar gtar;
891 AM_RUN_LOG([$_am_tar --version]) && break
893 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
894 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
895 am__untar="$_am_tar -xf -"
898 # Must skip GNU tar: if it does not support --format= it doesn't create
899 # ustar tarball either.
900 (tar --version) >/dev/null 2>&1 && continue
901 am__tar='tar chf - "$$tardir"'
902 am__tar_='tar chf - "$tardir"'
906 am__tar='pax -L -x $1 -w "$$tardir"'
907 am__tar_='pax -L -x $1 -w "$tardir"'
911 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
912 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
913 am__untar='cpio -i -H $1 -d'
922 # If the value was cached, stop now. We just wanted to have am__tar
924 test -n "${am_cv_prog_tar_$1}" && break
926 # tar/untar a dummy directory, and stop if the command works
929 echo GrepMe > conftest.dir/file
930 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
932 if test -s conftest.tar; then
933 AM_RUN_LOG([$am__untar <conftest.tar])
934 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
939 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
940 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
942 AC_SUBST([am__untar])
945 m4_include([m4/libtool.m4])
946 m4_include([m4/ltoptions.m4])
947 m4_include([m4/ltsugar.m4])
948 m4_include([m4/ltversion.m4])
949 m4_include([m4/lt~obsolete.m4])