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3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008 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,
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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629 # Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
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640 # Like AC_PROG_CC_C_O, but changed for automake.
641 AC_DEFUN([AM_PROG_CC_C_O],
642 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
643 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
644 AC_REQUIRE_AUX_FILE([compile])dnl
645 # FIXME: we rely on the cache variable name because
646 # there is no other way.
648 am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
649 eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
650 if test "$am_t" != yes; then
651 # Losing compiler, so override with the script.
652 # FIXME: It is wrong to rewrite CC.
653 # But if we don't then we get into trouble of one sort or another.
654 # A longer-term fix would be to have automake use am__CC in this case,
655 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
656 CC="$am_aux_dir/compile $CC"
658 dnl Make sure AC_PROG_CC is never called again, or it will override our
660 m4_define([AC_PROG_CC],
661 [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
664 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
666 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
667 # Free Software Foundation, Inc.
669 # This file is free software; the Free Software Foundation
670 # gives unlimited permission to copy and/or distribute it,
671 # with or without modifications, as long as this notice is preserved.
675 # AM_MISSING_PROG(NAME, PROGRAM)
676 # ------------------------------
677 AC_DEFUN([AM_MISSING_PROG],
678 [AC_REQUIRE([AM_MISSING_HAS_RUN])
679 $1=${$1-"${am_missing_run}$2"}
685 # Define MISSING if not defined so far and test if it supports --run.
686 # If it does, set am_missing_run to use it, otherwise, to nothing.
687 AC_DEFUN([AM_MISSING_HAS_RUN],
688 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
689 AC_REQUIRE_AUX_FILE([missing])dnl
690 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
691 # Use eval to expand $SHELL
692 if eval "$MISSING --run true"; then
693 am_missing_run="$MISSING --run "
696 AC_MSG_WARN([`missing' script is too old or missing])
700 # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
702 # This file is free software; the Free Software Foundation
703 # gives unlimited permission to copy and/or distribute it,
704 # with or without modifications, as long as this notice is preserved.
708 # Check for `mkdir -p'.
709 AC_DEFUN([AM_PROG_MKDIR_P],
710 [AC_PREREQ([2.60])dnl
711 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
712 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
713 dnl while keeping a definition of mkdir_p for backward compatibility.
714 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
715 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
716 dnl Makefile.ins that do not define MKDIR_P, so we do our own
717 dnl adjustment using top_builddir (which is defined more often than
719 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
721 [[\\/$]]* | ?:[[\\/]]*) ;;
722 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
726 # Helper functions for option handling. -*- Autoconf -*-
728 # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
730 # This file is free software; the Free Software Foundation
731 # gives unlimited permission to copy and/or distribute it,
732 # with or without modifications, as long as this notice is preserved.
736 # _AM_MANGLE_OPTION(NAME)
737 # -----------------------
738 AC_DEFUN([_AM_MANGLE_OPTION],
739 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
741 # _AM_SET_OPTION(NAME)
742 # ------------------------------
743 # Set option NAME. Presently that only means defining a flag for this option.
744 AC_DEFUN([_AM_SET_OPTION],
745 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
747 # _AM_SET_OPTIONS(OPTIONS)
748 # ----------------------------------
749 # OPTIONS is a space-separated list of Automake options.
750 AC_DEFUN([_AM_SET_OPTIONS],
751 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
753 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
754 # -------------------------------------------
755 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
756 AC_DEFUN([_AM_IF_OPTION],
757 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
759 # Check to make sure that the build environment is sane. -*- Autoconf -*-
761 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
762 # Free Software Foundation, Inc.
764 # This file is free software; the Free Software Foundation
765 # gives unlimited permission to copy and/or distribute it,
766 # with or without modifications, as long as this notice is preserved.
772 AC_DEFUN([AM_SANITY_CHECK],
773 [AC_MSG_CHECKING([whether build environment is sane])
776 echo timestamp > conftest.file
777 # Do `set' in a subshell so we don't clobber the current shell's
778 # arguments. Must try -L first in case configure is actually a
779 # symlink; some systems play weird games with the mod time of symlinks
780 # (eg FreeBSD returns the mod time of the symlink's containing
783 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
784 if test "$[*]" = "X"; then
786 set X `ls -t $srcdir/configure conftest.file`
789 if test "$[*]" != "X $srcdir/configure conftest.file" \
790 && test "$[*]" != "X conftest.file $srcdir/configure"; then
792 # If neither matched, then we have a broken ls. This can happen
793 # if, for instance, CONFIG_SHELL is bash and it inherits a
794 # broken ls alias from the environment. This has actually
795 # happened. Such a system could not be considered "sane".
796 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
797 alias in your environment])
800 test "$[2]" = conftest.file
806 AC_MSG_ERROR([newly created file is older than distributed files!
807 Check your system clock])
811 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
813 # This file is free software; the Free Software Foundation
814 # gives unlimited permission to copy and/or distribute it,
815 # with or without modifications, as long as this notice is preserved.
817 # AM_PROG_INSTALL_STRIP
818 # ---------------------
819 # One issue with vendor `install' (even GNU) is that you can't
820 # specify the program used to strip binaries. This is especially
821 # annoying in cross-compiling environments, where the build's strip
822 # is unlikely to handle the host's binaries.
823 # Fortunately install-sh will honor a STRIPPROG variable, so we
824 # always use install-sh in `make install-strip', and initialize
825 # STRIPPROG with the value of the STRIP variable (set by the user).
826 AC_DEFUN([AM_PROG_INSTALL_STRIP],
827 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
828 # Installed binaries are usually stripped using `strip' when the user
829 # run `make install-strip'. However `strip' might not be the right
830 # tool to use in cross-compilation environments, therefore Automake
831 # will honor the `STRIP' environment variable to overrule this program.
832 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
833 if test "$cross_compiling" != no; then
834 AC_CHECK_TOOL([STRIP], [strip], :)
836 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
837 AC_SUBST([INSTALL_STRIP_PROGRAM])])
839 # Copyright (C) 2006 Free Software Foundation, Inc.
841 # This file is free software; the Free Software Foundation
842 # gives unlimited permission to copy and/or distribute it,
843 # with or without modifications, as long as this notice is preserved.
845 # _AM_SUBST_NOTMAKE(VARIABLE)
846 # ---------------------------
847 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
848 # This macro is traced by Automake.
849 AC_DEFUN([_AM_SUBST_NOTMAKE])
851 # Check how to create a tarball. -*- Autoconf -*-
853 # Copyright (C) 2004, 2005 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_PROG_TAR(FORMAT)
862 # --------------------
863 # Check how to create a tarball in format FORMAT.
864 # FORMAT should be one of `v7', `ustar', or `pax'.
866 # Substitute a variable $(am__tar) that is a command
867 # writing to stdout a FORMAT-tarball containing the directory
869 # tardir=directory && $(am__tar) > result.tar
871 # Substitute a variable $(am__untar) that extract such
872 # a tarball read from stdin.
873 # $(am__untar) < result.tar
874 AC_DEFUN([_AM_PROG_TAR],
875 [# Always define AMTAR for backward compatibility.
876 AM_MISSING_PROG([AMTAR], [tar])
878 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
879 [m4_case([$1], [ustar],, [pax],,
880 [m4_fatal([Unknown tar format])])
881 AC_MSG_CHECKING([how to create a $1 tar archive])
882 # Loop over all known methods to create a tar archive until one works.
883 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
884 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
885 # Do not fold the above two line into one, because Tru64 sh and
886 # Solaris sh will not grok spaces in the rhs of `-'.
887 for _am_tool in $_am_tools
891 for _am_tar in tar gnutar gtar;
893 AM_RUN_LOG([$_am_tar --version]) && break
895 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
896 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
897 am__untar="$_am_tar -xf -"
900 # Must skip GNU tar: if it does not support --format= it doesn't create
901 # ustar tarball either.
902 (tar --version) >/dev/null 2>&1 && continue
903 am__tar='tar chf - "$$tardir"'
904 am__tar_='tar chf - "$tardir"'
908 am__tar='pax -L -x $1 -w "$$tardir"'
909 am__tar_='pax -L -x $1 -w "$tardir"'
913 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
914 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
915 am__untar='cpio -i -H $1 -d'
924 # If the value was cached, stop now. We just wanted to have am__tar
926 test -n "${am_cv_prog_tar_$1}" && break
928 # tar/untar a dummy directory, and stop if the command works
931 echo GrepMe > conftest.dir/file
932 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
934 if test -s conftest.tar; then
935 AM_RUN_LOG([$am__untar <conftest.tar])
936 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
941 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
942 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
944 AC_SUBST([am__untar])