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3 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
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591 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
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595 for _am_header in $config_headers :; do
597 $_am_arg | $_am_arg:* )
600 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
603 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
605 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
607 # This file is free software; the Free Software Foundation
608 # gives unlimited permission to copy and/or distribute it,
609 # with or without modifications, as long as this notice is preserved.
613 # Define $install_sh.
614 AC_DEFUN([AM_PROG_INSTALL_SH],
615 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
616 if test x"${install_sh}" != xset; then
619 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
621 install_sh="\${SHELL} $am_aux_dir/install-sh"
624 AC_SUBST([install_sh])])
626 # Copyright (C) 2003-2013 Free Software Foundation, Inc.
628 # This file is free software; the Free Software Foundation
629 # gives unlimited permission to copy and/or distribute it,
630 # with or without modifications, as long as this notice is preserved.
632 # Check whether the underlying file-system supports filenames
633 # with a leading dot. For instance MS-DOS doesn't.
634 AC_DEFUN([AM_SET_LEADING_DOT],
635 [rm -rf .tst 2>/dev/null
636 mkdir .tst 2>/dev/null
637 if test -d .tst; then
642 rmdir .tst 2>/dev/null
643 AC_SUBST([am__leading_dot])])
645 # Check to see how 'make' treats includes. -*- Autoconf -*-
647 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
649 # This file is free software; the Free Software Foundation
650 # gives unlimited permission to copy and/or distribute it,
651 # with or without modifications, as long as this notice is preserved.
655 # Check to see how make treats includes.
656 AC_DEFUN([AM_MAKE_INCLUDE],
657 [am_make=${MAKE-make}
658 cat > confinc << 'END'
660 @echo this is the am__doit target
663 # If we don't find an include directive, just comment out the code.
664 AC_MSG_CHECKING([for style of include used by $am_make])
668 # First try GNU make style include.
669 echo "include confinc" > confmf
670 # Ignore all kinds of additional output from 'make'.
671 case `$am_make -s -f confmf 2> /dev/null` in #(
672 *the\ am__doit\ target*)
678 # Now try BSD make style include.
679 if test "$am__include" = "#"; then
680 echo '.include "confinc"' > confmf
681 case `$am_make -s -f confmf 2> /dev/null` in #(
682 *the\ am__doit\ target*)
689 AC_SUBST([am__include])
690 AC_SUBST([am__quote])
691 AC_MSG_RESULT([$_am_result])
695 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
697 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
699 # This file is free software; the Free Software Foundation
700 # gives unlimited permission to copy and/or distribute it,
701 # with or without modifications, as long as this notice is preserved.
703 # AM_MISSING_PROG(NAME, PROGRAM)
704 # ------------------------------
705 AC_DEFUN([AM_MISSING_PROG],
706 [AC_REQUIRE([AM_MISSING_HAS_RUN])
707 $1=${$1-"${am_missing_run}$2"}
712 # Define MISSING if not defined so far and test if it is modern enough.
713 # If it is, set am_missing_run to use it, otherwise, to nothing.
714 AC_DEFUN([AM_MISSING_HAS_RUN],
715 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
716 AC_REQUIRE_AUX_FILE([missing])dnl
717 if test x"${MISSING+set}" != xset; then
720 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
722 MISSING="\${SHELL} $am_aux_dir/missing" ;;
725 # Use eval to expand $SHELL
726 if eval "$MISSING --is-lightweight"; then
727 am_missing_run="$MISSING "
730 AC_MSG_WARN(['missing' script is too old or missing])
735 # Obsolete and "removed" macros, that must however still report explicit
736 # error messages when used, to smooth transition.
738 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
740 # This file is free software; the Free Software Foundation
741 # gives unlimited permission to copy and/or distribute it,
742 # with or without modifications, as long as this notice is preserved.
744 AC_DEFUN([AM_CONFIG_HEADER],
745 [AC_DIAGNOSE([obsolete],
746 ['$0': this macro is obsolete.
747 You should use the 'AC][_CONFIG_HEADERS' macro instead.])dnl
748 AC_CONFIG_HEADERS($@)])
750 AC_DEFUN([AM_PROG_CC_STDC],
752 am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
753 AC_DIAGNOSE([obsolete],
754 ['$0': this macro is obsolete.
755 You should simply use the 'AC][_PROG_CC' macro instead.
756 Also, your code should no longer depend upon 'am_cv_prog_cc_stdc',
757 but upon 'ac_cv_prog_cc_stdc'.])])
759 AC_DEFUN([AM_C_PROTOTYPES],
760 [AC_FATAL([automatic de-ANSI-fication support has been removed])])
761 AU_DEFUN([fp_C_PROTOTYPES], [AM_C_PROTOTYPES])
763 # Helper functions for option handling. -*- Autoconf -*-
765 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
767 # This file is free software; the Free Software Foundation
768 # gives unlimited permission to copy and/or distribute it,
769 # with or without modifications, as long as this notice is preserved.
771 # _AM_MANGLE_OPTION(NAME)
772 # -----------------------
773 AC_DEFUN([_AM_MANGLE_OPTION],
774 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
776 # _AM_SET_OPTION(NAME)
777 # --------------------
778 # Set option NAME. Presently that only means defining a flag for this option.
779 AC_DEFUN([_AM_SET_OPTION],
780 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
782 # _AM_SET_OPTIONS(OPTIONS)
783 # ------------------------
784 # OPTIONS is a space-separated list of Automake options.
785 AC_DEFUN([_AM_SET_OPTIONS],
786 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
788 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
789 # -------------------------------------------
790 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
791 AC_DEFUN([_AM_IF_OPTION],
792 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
794 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
796 # This file is free software; the Free Software Foundation
797 # gives unlimited permission to copy and/or distribute it,
798 # with or without modifications, as long as this notice is preserved.
802 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
803 # to automatically call this.
804 AC_DEFUN([_AM_PROG_CC_C_O],
805 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
806 AC_REQUIRE_AUX_FILE([compile])dnl
809 [whether $CC understands -c and -o together],
811 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
812 # Make sure it works both with $CC and with simple cc.
813 # Following AC_PROG_CC_C_O, we do the test twice because some
814 # compilers refuse to overwrite an existing .o file with -o,
815 # though they will create one.
816 am_cv_prog_cc_c_o=yes
818 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
819 && test -f conftest2.$ac_objext; then
828 if test "$am_cv_prog_cc_c_o" != yes; then
829 # Losing compiler, so override with the script.
830 # FIXME: It is wrong to rewrite CC.
831 # But if we don't then we get into trouble of one sort or another.
832 # A longer-term fix would be to have automake use am__CC in this case,
833 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
834 CC="$am_aux_dir/compile $CC"
838 # For backward compatibility.
839 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
841 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
843 # This file is free software; the Free Software Foundation
844 # gives unlimited permission to copy and/or distribute it,
845 # with or without modifications, as long as this notice is preserved.
847 # AM_RUN_LOG(COMMAND)
848 # -------------------
849 # Run COMMAND, save the exit status in ac_status, and log it.
850 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
851 AC_DEFUN([AM_RUN_LOG],
852 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
853 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
855 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
856 (exit $ac_status); }])
858 # Check to make sure that the build environment is sane. -*- Autoconf -*-
860 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
862 # This file is free software; the Free Software Foundation
863 # gives unlimited permission to copy and/or distribute it,
864 # with or without modifications, as long as this notice is preserved.
868 AC_DEFUN([AM_SANITY_CHECK],
869 [AC_MSG_CHECKING([whether build environment is sane])
870 # Reject unsafe characters in $srcdir or the absolute working directory
871 # name. Accept space and tab only in the latter.
875 *[[\\\"\#\$\&\'\`$am_lf]]*)
876 AC_MSG_ERROR([unsafe absolute working directory name]);;
879 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
880 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
883 # Do 'set' in a subshell so we don't clobber the current shell's
884 # arguments. Must try -L first in case configure is actually a
885 # symlink; some systems play weird games with the mod time of symlinks
886 # (eg FreeBSD returns the mod time of the symlink's containing
890 for am_try in 1 2; do
891 echo "timestamp, slept: $am_has_slept" > conftest.file
892 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
893 if test "$[*]" = "X"; then
895 set X `ls -t "$srcdir/configure" conftest.file`
897 if test "$[*]" != "X $srcdir/configure conftest.file" \
898 && test "$[*]" != "X conftest.file $srcdir/configure"; then
900 # If neither matched, then we have a broken ls. This can happen
901 # if, for instance, CONFIG_SHELL is bash and it inherits a
902 # broken ls alias from the environment. This has actually
903 # happened. Such a system could not be considered "sane".
904 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
905 alias in your environment])
907 if test "$[2]" = conftest.file || test $am_try -eq 2; then
914 test "$[2]" = conftest.file
920 AC_MSG_ERROR([newly created file is older than distributed files!
921 Check your system clock])
924 # If we didn't sleep, we still need to ensure time stamps of config.status and
925 # generated files are strictly newer.
927 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
931 AC_CONFIG_COMMANDS_PRE(
932 [AC_MSG_CHECKING([that generated files are newer than configure])
933 if test -n "$am_sleep_pid"; then
934 # Hide warnings about reused PIDs.
935 wait $am_sleep_pid 2>/dev/null
937 AC_MSG_RESULT([done])])
941 # Copyright (C) 2009-2013 Free Software Foundation, Inc.
943 # This file is free software; the Free Software Foundation
944 # gives unlimited permission to copy and/or distribute it,
945 # with or without modifications, as long as this notice is preserved.
947 # AM_SILENT_RULES([DEFAULT])
948 # --------------------------
949 # Enable less verbose build rules; with the default set to DEFAULT
950 # ("yes" being less verbose, "no" or empty being verbose).
951 AC_DEFUN([AM_SILENT_RULES],
952 [AC_ARG_ENABLE([silent-rules], [dnl
954 [--enable-silent-rules],
955 [less verbose build output (undo: "make V=1")])
957 [--disable-silent-rules],
958 [verbose build output (undo: "make V=0")])dnl
960 case $enable_silent_rules in @%:@ (((
961 yes) AM_DEFAULT_VERBOSITY=0;;
962 no) AM_DEFAULT_VERBOSITY=1;;
963 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
966 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
967 dnl do not support nested variable expansions.
968 dnl See automake bug#9928 and bug#10237.
970 AC_CACHE_CHECK([whether $am_make supports nested variables],
971 [am_cv_make_support_nested_variables],
972 [if AS_ECHO([['TRUE=$(BAR$(V))
978 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
979 am_cv_make_support_nested_variables=yes
981 am_cv_make_support_nested_variables=no
983 if test $am_cv_make_support_nested_variables = yes; then
984 dnl Using '$V' instead of '$(V)' breaks IRIX make.
986 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
988 AM_V=$AM_DEFAULT_VERBOSITY
989 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
992 AM_SUBST_NOTMAKE([AM_V])dnl
993 AC_SUBST([AM_DEFAULT_V])dnl
994 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
995 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
997 AC_SUBST([AM_BACKSLASH])dnl
998 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1001 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
1003 # This file is free software; the Free Software Foundation
1004 # gives unlimited permission to copy and/or distribute it,
1005 # with or without modifications, as long as this notice is preserved.
1007 # AM_PROG_INSTALL_STRIP
1008 # ---------------------
1009 # One issue with vendor 'install' (even GNU) is that you can't
1010 # specify the program used to strip binaries. This is especially
1011 # annoying in cross-compiling environments, where the build's strip
1012 # is unlikely to handle the host's binaries.
1013 # Fortunately install-sh will honor a STRIPPROG variable, so we
1014 # always use install-sh in "make install-strip", and initialize
1015 # STRIPPROG with the value of the STRIP variable (set by the user).
1016 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1017 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1018 # Installed binaries are usually stripped using 'strip' when the user
1019 # run "make install-strip". However 'strip' might not be the right
1020 # tool to use in cross-compilation environments, therefore Automake
1021 # will honor the 'STRIP' environment variable to overrule this program.
1022 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1023 if test "$cross_compiling" != no; then
1024 AC_CHECK_TOOL([STRIP], [strip], :)
1026 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1027 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1029 # Copyright (C) 2006-2013 Free Software Foundation, Inc.
1031 # This file is free software; the Free Software Foundation
1032 # gives unlimited permission to copy and/or distribute it,
1033 # with or without modifications, as long as this notice is preserved.
1035 # _AM_SUBST_NOTMAKE(VARIABLE)
1036 # ---------------------------
1037 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1038 # This macro is traced by Automake.
1039 AC_DEFUN([_AM_SUBST_NOTMAKE])
1041 # AM_SUBST_NOTMAKE(VARIABLE)
1042 # --------------------------
1043 # Public sister of _AM_SUBST_NOTMAKE.
1044 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1046 # Check how to create a tarball. -*- Autoconf -*-
1048 # Copyright (C) 2004-2013 Free Software Foundation, Inc.
1050 # This file is free software; the Free Software Foundation
1051 # gives unlimited permission to copy and/or distribute it,
1052 # with or without modifications, as long as this notice is preserved.
1054 # _AM_PROG_TAR(FORMAT)
1055 # --------------------
1056 # Check how to create a tarball in format FORMAT.
1057 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1059 # Substitute a variable $(am__tar) that is a command
1060 # writing to stdout a FORMAT-tarball containing the directory
1062 # tardir=directory && $(am__tar) > result.tar
1064 # Substitute a variable $(am__untar) that extract such
1065 # a tarball read from stdin.
1066 # $(am__untar) < result.tar
1068 AC_DEFUN([_AM_PROG_TAR],
1069 [# Always define AMTAR for backward compatibility. Yes, it's still used
1070 # in the wild :-( We should find a proper way to deprecate it ...
1071 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1073 # We'll loop over all known methods to create a tar archive until one works.
1074 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1077 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1081 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1082 # There is notably a 21 bits limit for the UID and the GID. In fact,
1083 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1085 am_max_uid=2097151 # 2^21 - 1
1086 am_max_gid=$am_max_uid
1087 # The $UID and $GID variables are not portable, so we need to resort
1088 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1089 # below are definitely unexpected, so allow the users to see them
1090 # (that is, avoid stderr redirection).
1091 am_uid=`id -u || echo unknown`
1092 am_gid=`id -g || echo unknown`
1093 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1094 if test $am_uid -le $am_max_uid; then
1095 AC_MSG_RESULT([yes])
1100 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1101 if test $am_gid -le $am_max_gid; then
1102 AC_MSG_RESULT([yes])
1111 [m4_fatal([Unknown tar format])])
1113 AC_MSG_CHECKING([how to create a $1 tar archive])
1115 # Go ahead even if we have the value already cached. We do so because we
1116 # need to set the values for the 'am__tar' and 'am__untar' variables.
1117 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1119 for _am_tool in $_am_tools; do
1122 for _am_tar in tar gnutar gtar; do
1123 AM_RUN_LOG([$_am_tar --version]) && break
1125 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1126 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1127 am__untar="$_am_tar -xf -"
1130 # Must skip GNU tar: if it does not support --format= it doesn't create
1131 # ustar tarball either.
1132 (tar --version) >/dev/null 2>&1 && continue
1133 am__tar='tar chf - "$$tardir"'
1134 am__tar_='tar chf - "$tardir"'
1135 am__untar='tar xf -'
1138 am__tar='pax -L -x $1 -w "$$tardir"'
1139 am__tar_='pax -L -x $1 -w "$tardir"'
1143 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1144 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1145 am__untar='cpio -i -H $1 -d'
1154 # If the value was cached, stop now. We just wanted to have am__tar
1155 # and am__untar set.
1156 test -n "${am_cv_prog_tar_$1}" && break
1158 # tar/untar a dummy directory, and stop if the command works.
1161 echo GrepMe > conftest.dir/file
1162 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1164 if test -s conftest.tar; then
1165 AM_RUN_LOG([$am__untar <conftest.tar])
1166 AM_RUN_LOG([cat conftest.dir/file])
1167 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1172 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1173 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1176 AC_SUBST([am__untar])
1179 m4_include([m4/ac_have_attribute.m4])
1180 m4_include([m4/ac_have_builtin_expect.m4])
1181 m4_include([m4/ac_have_sync_val_compare_and_swap.m4])
1182 m4_include([m4/ac_rwlock.m4])
1183 m4_include([m4/acx_pthread.m4])
1184 m4_include([m4/google_namespace.m4])
1185 m4_include([m4/libtool.m4])
1186 m4_include([m4/ltoptions.m4])
1187 m4_include([m4/ltsugar.m4])
1188 m4_include([m4/ltversion.m4])
1189 m4_include([m4/lt~obsolete.m4])
1190 m4_include([m4/namespaces.m4])
1191 m4_include([m4/pc_from_ucontext.m4])
1192 m4_include([m4/stl_namespace.m4])
1193 m4_include([m4/using_operator.m4])