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3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
6 # This file is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
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630 # Check to see how 'make' treats includes. -*- Autoconf -*-
632 # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
634 # This file is free software; the Free Software Foundation
635 # gives unlimited permission to copy and/or distribute it,
636 # with or without modifications, as long as this notice is preserved.
642 # Check to see how make treats includes.
643 AC_DEFUN([AM_MAKE_INCLUDE],
644 [am_make=${MAKE-make}
645 cat > confinc << 'END'
647 @echo this is the am__doit target
650 # If we don't find an include directive, just comment out the code.
651 AC_MSG_CHECKING([for style of include used by $am_make])
655 # First try GNU make style include.
656 echo "include confinc" > confmf
657 # Ignore all kinds of additional output from `make'.
658 case `$am_make -s -f confmf 2> /dev/null` in #(
659 *the\ am__doit\ target*)
665 # Now try BSD make style include.
666 if test "$am__include" = "#"; then
667 echo '.include "confinc"' > confmf
668 case `$am_make -s -f confmf 2> /dev/null` in #(
669 *the\ am__doit\ target*)
676 AC_SUBST([am__include])
677 AC_SUBST([am__quote])
678 AC_MSG_RESULT([$_am_result])
682 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
684 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
685 # Free Software Foundation, Inc.
687 # This file is free software; the Free Software Foundation
688 # gives unlimited permission to copy and/or distribute it,
689 # with or without modifications, as long as this notice is preserved.
693 # AM_MISSING_PROG(NAME, PROGRAM)
694 # ------------------------------
695 AC_DEFUN([AM_MISSING_PROG],
696 [AC_REQUIRE([AM_MISSING_HAS_RUN])
697 $1=${$1-"${am_missing_run}$2"}
703 # Define MISSING if not defined so far and test if it supports --run.
704 # If it does, set am_missing_run to use it, otherwise, to nothing.
705 AC_DEFUN([AM_MISSING_HAS_RUN],
706 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
707 AC_REQUIRE_AUX_FILE([missing])dnl
708 if test x"${MISSING+set}" != xset; then
711 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
713 MISSING="\${SHELL} $am_aux_dir/missing" ;;
716 # Use eval to expand $SHELL
717 if eval "$MISSING --run true"; then
718 am_missing_run="$MISSING --run "
721 AC_MSG_WARN([`missing' script is too old or missing])
725 # Copyright (C) 2003, 2004, 2005, 2006, 2011 Free Software Foundation,
728 # This file is free software; the Free Software Foundation
729 # gives unlimited permission to copy and/or distribute it,
730 # with or without modifications, as long as this notice is preserved.
736 # Check for `mkdir -p'.
737 AC_DEFUN([AM_PROG_MKDIR_P],
738 [AC_PREREQ([2.60])dnl
739 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
740 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
741 dnl while keeping a definition of mkdir_p for backward compatibility.
742 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
743 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
744 dnl Makefile.ins that do not define MKDIR_P, so we do our own
745 dnl adjustment using top_builddir (which is defined more often than
747 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
749 [[\\/$]]* | ?:[[\\/]]*) ;;
750 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
754 # Helper functions for option handling. -*- Autoconf -*-
756 # Copyright (C) 2001, 2002, 2003, 2005, 2008, 2010 Free Software
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_MANGLE_OPTION(NAME)
766 # -----------------------
767 AC_DEFUN([_AM_MANGLE_OPTION],
768 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
770 # _AM_SET_OPTION(NAME)
771 # --------------------
772 # Set option NAME. Presently that only means defining a flag for this option.
773 AC_DEFUN([_AM_SET_OPTION],
774 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
776 # _AM_SET_OPTIONS(OPTIONS)
777 # ------------------------
778 # OPTIONS is a space-separated list of Automake options.
779 AC_DEFUN([_AM_SET_OPTIONS],
780 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
782 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
783 # -------------------------------------------
784 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
785 AC_DEFUN([_AM_IF_OPTION],
786 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
788 # Check to make sure that the build environment is sane. -*- Autoconf -*-
790 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
791 # Free Software Foundation, Inc.
793 # This file is free software; the Free Software Foundation
794 # gives unlimited permission to copy and/or distribute it,
795 # with or without modifications, as long as this notice is preserved.
801 AC_DEFUN([AM_SANITY_CHECK],
802 [AC_MSG_CHECKING([whether build environment is sane])
805 echo timestamp > conftest.file
806 # Reject unsafe characters in $srcdir or the absolute working directory
807 # name. Accept space and tab only in the latter.
811 *[[\\\"\#\$\&\'\`$am_lf]]*)
812 AC_MSG_ERROR([unsafe absolute working directory name]);;
815 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
816 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
819 # Do `set' in a subshell so we don't clobber the current shell's
820 # arguments. Must try -L first in case configure is actually a
821 # symlink; some systems play weird games with the mod time of symlinks
822 # (eg FreeBSD returns the mod time of the symlink's containing
825 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
826 if test "$[*]" = "X"; then
828 set X `ls -t "$srcdir/configure" conftest.file`
831 if test "$[*]" != "X $srcdir/configure conftest.file" \
832 && test "$[*]" != "X conftest.file $srcdir/configure"; then
834 # If neither matched, then we have a broken ls. This can happen
835 # if, for instance, CONFIG_SHELL is bash and it inherits a
836 # broken ls alias from the environment. This has actually
837 # happened. Such a system could not be considered "sane".
838 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
839 alias in your environment])
842 test "$[2]" = conftest.file
848 AC_MSG_ERROR([newly created file is older than distributed files!
849 Check your system clock])
853 # Copyright (C) 2009, 2011 Free Software Foundation, Inc.
855 # This file is free software; the Free Software Foundation
856 # gives unlimited permission to copy and/or distribute it,
857 # with or without modifications, as long as this notice is preserved.
861 # AM_SILENT_RULES([DEFAULT])
862 # --------------------------
863 # Enable less verbose build rules; with the default set to DEFAULT
864 # (`yes' being less verbose, `no' or empty being verbose).
865 AC_DEFUN([AM_SILENT_RULES],
866 [AC_ARG_ENABLE([silent-rules],
867 [ --enable-silent-rules less verbose build output (undo: `make V=1')
868 --disable-silent-rules verbose build output (undo: `make V=0')])
869 case $enable_silent_rules in
870 yes) AM_DEFAULT_VERBOSITY=0;;
871 no) AM_DEFAULT_VERBOSITY=1;;
872 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
875 dnl A few `make' implementations (e.g., NonStop OS and NextStep)
876 dnl do not support nested variable expansions.
877 dnl See automake bug#9928 and bug#10237.
879 AC_CACHE_CHECK([whether $am_make supports nested variables],
880 [am_cv_make_support_nested_variables],
881 [if AS_ECHO([['TRUE=$(BAR$(V))
887 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
888 am_cv_make_support_nested_variables=yes
890 am_cv_make_support_nested_variables=no
892 if test $am_cv_make_support_nested_variables = yes; then
893 dnl Using `$V' instead of `$(V)' breaks IRIX make.
895 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
897 AM_V=$AM_DEFAULT_VERBOSITY
898 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
901 AM_SUBST_NOTMAKE([AM_V])dnl
902 AC_SUBST([AM_DEFAULT_V])dnl
903 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
904 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
906 AC_SUBST([AM_BACKSLASH])dnl
907 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
910 # Copyright (C) 2001, 2003, 2005, 2011 Free Software Foundation, Inc.
912 # This file is free software; the Free Software Foundation
913 # gives unlimited permission to copy and/or distribute it,
914 # with or without modifications, as long as this notice is preserved.
918 # AM_PROG_INSTALL_STRIP
919 # ---------------------
920 # One issue with vendor `install' (even GNU) is that you can't
921 # specify the program used to strip binaries. This is especially
922 # annoying in cross-compiling environments, where the build's strip
923 # is unlikely to handle the host's binaries.
924 # Fortunately install-sh will honor a STRIPPROG variable, so we
925 # always use install-sh in `make install-strip', and initialize
926 # STRIPPROG with the value of the STRIP variable (set by the user).
927 AC_DEFUN([AM_PROG_INSTALL_STRIP],
928 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
929 # Installed binaries are usually stripped using `strip' when the user
930 # run `make install-strip'. However `strip' might not be the right
931 # tool to use in cross-compilation environments, therefore Automake
932 # will honor the `STRIP' environment variable to overrule this program.
933 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
934 if test "$cross_compiling" != no; then
935 AC_CHECK_TOOL([STRIP], [strip], :)
937 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
938 AC_SUBST([INSTALL_STRIP_PROGRAM])])
940 # Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
942 # This file is free software; the Free Software Foundation
943 # gives unlimited permission to copy and/or distribute it,
944 # with or without modifications, as long as this notice is preserved.
948 # _AM_SUBST_NOTMAKE(VARIABLE)
949 # ---------------------------
950 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
951 # This macro is traced by Automake.
952 AC_DEFUN([_AM_SUBST_NOTMAKE])
954 # AM_SUBST_NOTMAKE(VARIABLE)
955 # --------------------------
956 # Public sister of _AM_SUBST_NOTMAKE.
957 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
959 # Check how to create a tarball. -*- Autoconf -*-
961 # Copyright (C) 2004, 2005, 2012 Free Software Foundation, Inc.
963 # This file is free software; the Free Software Foundation
964 # gives unlimited permission to copy and/or distribute it,
965 # with or without modifications, as long as this notice is preserved.
969 # _AM_PROG_TAR(FORMAT)
970 # --------------------
971 # Check how to create a tarball in format FORMAT.
972 # FORMAT should be one of `v7', `ustar', or `pax'.
974 # Substitute a variable $(am__tar) that is a command
975 # writing to stdout a FORMAT-tarball containing the directory
977 # tardir=directory && $(am__tar) > result.tar
979 # Substitute a variable $(am__untar) that extract such
980 # a tarball read from stdin.
981 # $(am__untar) < result.tar
982 AC_DEFUN([_AM_PROG_TAR],
983 [# Always define AMTAR for backward compatibility. Yes, it's still used
984 # in the wild :-( We should find a proper way to deprecate it ...
985 AC_SUBST([AMTAR], ['$${TAR-tar}'])
987 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
988 [m4_case([$1], [ustar],, [pax],,
989 [m4_fatal([Unknown tar format])])
990 AC_MSG_CHECKING([how to create a $1 tar archive])
991 # Loop over all known methods to create a tar archive until one works.
992 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
993 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
994 # Do not fold the above two line into one, because Tru64 sh and
995 # Solaris sh will not grok spaces in the rhs of `-'.
996 for _am_tool in $_am_tools
1000 for _am_tar in tar gnutar gtar;
1002 AM_RUN_LOG([$_am_tar --version]) && break
1004 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1005 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1006 am__untar="$_am_tar -xf -"
1009 # Must skip GNU tar: if it does not support --format= it doesn't create
1010 # ustar tarball either.
1011 (tar --version) >/dev/null 2>&1 && continue
1012 am__tar='tar chf - "$$tardir"'
1013 am__tar_='tar chf - "$tardir"'
1014 am__untar='tar xf -'
1017 am__tar='pax -L -x $1 -w "$$tardir"'
1018 am__tar_='pax -L -x $1 -w "$tardir"'
1022 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1023 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1024 am__untar='cpio -i -H $1 -d'
1033 # If the value was cached, stop now. We just wanted to have am__tar
1034 # and am__untar set.
1035 test -n "${am_cv_prog_tar_$1}" && break
1037 # tar/untar a dummy directory, and stop if the command works
1040 echo GrepMe > conftest.dir/file
1041 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1043 if test -s conftest.tar; then
1044 AM_RUN_LOG([$am__untar <conftest.tar])
1045 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1050 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1051 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1053 AC_SUBST([am__untar])
1056 m4_include([acinclude.m4])