1 # generated automatically by aclocal 1.14.1 -*- Autoconf -*-
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,
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
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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23 dnl -*- mode: autoconf -*-
24 dnl Copyright 2009 Johan Dahlin
26 dnl This file is free software; the author(s) gives unlimited
27 dnl permission to copy and/or distribute it, with or without
28 dnl modifications, as long as this notice is preserved.
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120 # Copyright (C) 2002-2013 Free Software Foundation, Inc.
122 # This file is free software; the Free Software Foundation
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156 # Copyright (C) 2011-2013 Free Software Foundation, Inc.
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302 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
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633 m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
635 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
636 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
637 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
639 _AM_IF_OPTION([no-define],,
640 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
641 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
643 # Some tools Automake needs.
644 AC_REQUIRE([AM_SANITY_CHECK])dnl
645 AC_REQUIRE([AC_ARG_PROGRAM])dnl
646 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
647 AM_MISSING_PROG([AUTOCONF], [autoconf])
648 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
649 AM_MISSING_PROG([AUTOHEADER], [autoheader])
650 AM_MISSING_PROG([MAKEINFO], [makeinfo])
651 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
652 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
653 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
654 # For better backward compatibility. To be removed once Automake 1.9.x
655 # dies out for good. For more background, see:
656 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
657 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
658 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
659 # We need awk for the "check" target. The system "awk" is bad on
661 AC_REQUIRE([AC_PROG_AWK])dnl
662 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
663 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
664 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
665 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
666 [_AM_PROG_TAR([v7])])])
667 _AM_IF_OPTION([no-dependencies],,
668 [AC_PROVIDE_IFELSE([AC_PROG_CC],
669 [_AM_DEPENDENCIES([CC])],
670 [m4_define([AC_PROG_CC],
671 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
672 AC_PROVIDE_IFELSE([AC_PROG_CXX],
673 [_AM_DEPENDENCIES([CXX])],
674 [m4_define([AC_PROG_CXX],
675 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
676 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
677 [_AM_DEPENDENCIES([OBJC])],
678 [m4_define([AC_PROG_OBJC],
679 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
680 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
681 [_AM_DEPENDENCIES([OBJCXX])],
682 [m4_define([AC_PROG_OBJCXX],
683 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
685 AC_REQUIRE([AM_SILENT_RULES])dnl
686 dnl The testsuite driver may need to know about EXEEXT, so add the
687 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
688 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
689 AC_CONFIG_COMMANDS_PRE(dnl
690 [m4_provide_if([_AM_COMPILER_EXEEXT],
691 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
693 # POSIX will say in a future version that running "rm -f" with no argument
694 # is OK; and we want to be able to make that assumption in our Makefile
695 # recipes. So use an aggressive probe to check that the usage we want is
696 # actually supported "in the wild" to an acceptable degree.
697 # See automake bug#10828.
698 # To make any issue more visible, cause the running configure to be aborted
699 # by default if the 'rm' program in use doesn't match our expectations; the
700 # user can still override this though.
701 if rm -f && rm -fr && rm -rf; then : OK; else
705 Your 'rm' program seems unable to run without file operands specified
706 on the command line, even when the '-f' option is present. This is contrary
707 to the behaviour of most rm programs out there, and not conforming with
708 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
710 Please tell bug-automake@gnu.org about your system, including the value
711 of your $PATH and any error possibly output before this message. This
712 can help us improve future automake versions.
715 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
716 echo 'Configuration will proceed anyway, since you have set the' >&2
717 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
721 Aborting the configuration process, to ensure you take notice of the issue.
723 You can download and install GNU coreutils to get an 'rm' implementation
724 that behaves properly: <http://www.gnu.org/software/coreutils/>.
726 If you want to complete the configuration process using your problematic
727 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
728 to "yes", and re-run configure.
731 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
735 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
736 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
737 dnl mangled by Autoconf and run in a shell conditional statement.
738 m4_define([_AC_COMPILER_EXEEXT],
739 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
741 # When config.status generates a header, we must update the stamp-h file.
742 # This file resides in the same directory as the config header
743 # that is generated. The stamp files are numbered to have different names.
745 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
746 # loop where config.status creates the headers, so we can generate
747 # our stamp files there.
748 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
749 [# Compute $1's index in $config_headers.
752 for _am_header in $config_headers :; do
754 $_am_arg | $_am_arg:* )
757 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
760 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
762 # Copyright (C) 2001-2013 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.
770 # Define $install_sh.
771 AC_DEFUN([AM_PROG_INSTALL_SH],
772 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
773 if test x"${install_sh}" != xset; then
776 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
778 install_sh="\${SHELL} $am_aux_dir/install-sh"
781 AC_SUBST([install_sh])])
783 # Copyright (C) 2003-2013 Free Software Foundation, Inc.
785 # This file is free software; the Free Software Foundation
786 # gives unlimited permission to copy and/or distribute it,
787 # with or without modifications, as long as this notice is preserved.
789 # Check whether the underlying file-system supports filenames
790 # with a leading dot. For instance MS-DOS doesn't.
791 AC_DEFUN([AM_SET_LEADING_DOT],
792 [rm -rf .tst 2>/dev/null
793 mkdir .tst 2>/dev/null
794 if test -d .tst; then
799 rmdir .tst 2>/dev/null
800 AC_SUBST([am__leading_dot])])
802 # Check to see how 'make' treats includes. -*- Autoconf -*-
804 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
806 # This file is free software; the Free Software Foundation
807 # gives unlimited permission to copy and/or distribute it,
808 # with or without modifications, as long as this notice is preserved.
812 # Check to see how make treats includes.
813 AC_DEFUN([AM_MAKE_INCLUDE],
814 [am_make=${MAKE-make}
815 cat > confinc << 'END'
817 @echo this is the am__doit target
820 # If we don't find an include directive, just comment out the code.
821 AC_MSG_CHECKING([for style of include used by $am_make])
825 # First try GNU make style include.
826 echo "include confinc" > confmf
827 # Ignore all kinds of additional output from 'make'.
828 case `$am_make -s -f confmf 2> /dev/null` in #(
829 *the\ am__doit\ target*)
835 # Now try BSD make style include.
836 if test "$am__include" = "#"; then
837 echo '.include "confinc"' > confmf
838 case `$am_make -s -f confmf 2> /dev/null` in #(
839 *the\ am__doit\ target*)
846 AC_SUBST([am__include])
847 AC_SUBST([am__quote])
848 AC_MSG_RESULT([$_am_result])
852 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
854 # Copyright (C) 1997-2013 Free Software Foundation, Inc.
856 # This file is free software; the Free Software Foundation
857 # gives unlimited permission to copy and/or distribute it,
858 # with or without modifications, as long as this notice is preserved.
860 # AM_MISSING_PROG(NAME, PROGRAM)
861 # ------------------------------
862 AC_DEFUN([AM_MISSING_PROG],
863 [AC_REQUIRE([AM_MISSING_HAS_RUN])
864 $1=${$1-"${am_missing_run}$2"}
869 # Define MISSING if not defined so far and test if it is modern enough.
870 # If it is, set am_missing_run to use it, otherwise, to nothing.
871 AC_DEFUN([AM_MISSING_HAS_RUN],
872 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
873 AC_REQUIRE_AUX_FILE([missing])dnl
874 if test x"${MISSING+set}" != xset; then
877 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
879 MISSING="\${SHELL} $am_aux_dir/missing" ;;
882 # Use eval to expand $SHELL
883 if eval "$MISSING --is-lightweight"; then
884 am_missing_run="$MISSING "
887 AC_MSG_WARN(['missing' script is too old or missing])
891 # Helper functions for option handling. -*- Autoconf -*-
893 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
895 # This file is free software; the Free Software Foundation
896 # gives unlimited permission to copy and/or distribute it,
897 # with or without modifications, as long as this notice is preserved.
899 # _AM_MANGLE_OPTION(NAME)
900 # -----------------------
901 AC_DEFUN([_AM_MANGLE_OPTION],
902 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
904 # _AM_SET_OPTION(NAME)
905 # --------------------
906 # Set option NAME. Presently that only means defining a flag for this option.
907 AC_DEFUN([_AM_SET_OPTION],
908 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
910 # _AM_SET_OPTIONS(OPTIONS)
911 # ------------------------
912 # OPTIONS is a space-separated list of Automake options.
913 AC_DEFUN([_AM_SET_OPTIONS],
914 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
916 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
917 # -------------------------------------------
918 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
919 AC_DEFUN([_AM_IF_OPTION],
920 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
922 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
924 # This file is free software; the Free Software Foundation
925 # gives unlimited permission to copy and/or distribute it,
926 # with or without modifications, as long as this notice is preserved.
930 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
931 # to automatically call this.
932 AC_DEFUN([_AM_PROG_CC_C_O],
933 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
934 AC_REQUIRE_AUX_FILE([compile])dnl
937 [whether $CC understands -c and -o together],
939 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
940 # Make sure it works both with $CC and with simple cc.
941 # Following AC_PROG_CC_C_O, we do the test twice because some
942 # compilers refuse to overwrite an existing .o file with -o,
943 # though they will create one.
944 am_cv_prog_cc_c_o=yes
946 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
947 && test -f conftest2.$ac_objext; then
956 if test "$am_cv_prog_cc_c_o" != yes; then
957 # Losing compiler, so override with the script.
958 # FIXME: It is wrong to rewrite CC.
959 # But if we don't then we get into trouble of one sort or another.
960 # A longer-term fix would be to have automake use am__CC in this case,
961 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
962 CC="$am_aux_dir/compile $CC"
966 # For backward compatibility.
967 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
969 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
971 # This file is free software; the Free Software Foundation
972 # gives unlimited permission to copy and/or distribute it,
973 # with or without modifications, as long as this notice is preserved.
975 # AM_RUN_LOG(COMMAND)
976 # -------------------
977 # Run COMMAND, save the exit status in ac_status, and log it.
978 # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
979 AC_DEFUN([AM_RUN_LOG],
980 [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
981 ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
983 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
984 (exit $ac_status); }])
986 # Check to make sure that the build environment is sane. -*- Autoconf -*-
988 # Copyright (C) 1996-2013 Free Software Foundation, Inc.
990 # This file is free software; the Free Software Foundation
991 # gives unlimited permission to copy and/or distribute it,
992 # with or without modifications, as long as this notice is preserved.
996 AC_DEFUN([AM_SANITY_CHECK],
997 [AC_MSG_CHECKING([whether build environment is sane])
998 # Reject unsafe characters in $srcdir or the absolute working directory
999 # name. Accept space and tab only in the latter.
1003 *[[\\\"\#\$\&\'\`$am_lf]]*)
1004 AC_MSG_ERROR([unsafe absolute working directory name]);;
1007 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
1008 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1011 # Do 'set' in a subshell so we don't clobber the current shell's
1012 # arguments. Must try -L first in case configure is actually a
1013 # symlink; some systems play weird games with the mod time of symlinks
1014 # (eg FreeBSD returns the mod time of the symlink's containing
1018 for am_try in 1 2; do
1019 echo "timestamp, slept: $am_has_slept" > conftest.file
1020 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1021 if test "$[*]" = "X"; then
1023 set X `ls -t "$srcdir/configure" conftest.file`
1025 if test "$[*]" != "X $srcdir/configure conftest.file" \
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1028 # If neither matched, then we have a broken ls. This can happen
1029 # if, for instance, CONFIG_SHELL is bash and it inherits a
1030 # broken ls alias from the environment. This has actually
1031 # happened. Such a system could not be considered "sane".
1032 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
1033 alias in your environment])
1035 if test "$[2]" = conftest.file || test $am_try -eq 2; then
1042 test "$[2]" = conftest.file
1048 AC_MSG_ERROR([newly created file is older than distributed files!
1049 Check your system clock])
1051 AC_MSG_RESULT([yes])
1052 # If we didn't sleep, we still need to ensure time stamps of config.status and
1053 # generated files are strictly newer.
1055 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1059 AC_CONFIG_COMMANDS_PRE(
1060 [AC_MSG_CHECKING([that generated files are newer than configure])
1061 if test -n "$am_sleep_pid"; then
1062 # Hide warnings about reused PIDs.
1063 wait $am_sleep_pid 2>/dev/null
1065 AC_MSG_RESULT([done])])
1069 # Copyright (C) 2009-2013 Free Software Foundation, Inc.
1071 # This file is free software; the Free Software Foundation
1072 # gives unlimited permission to copy and/or distribute it,
1073 # with or without modifications, as long as this notice is preserved.
1075 # AM_SILENT_RULES([DEFAULT])
1076 # --------------------------
1077 # Enable less verbose build rules; with the default set to DEFAULT
1078 # ("yes" being less verbose, "no" or empty being verbose).
1079 AC_DEFUN([AM_SILENT_RULES],
1080 [AC_ARG_ENABLE([silent-rules], [dnl
1082 [--enable-silent-rules],
1083 [less verbose build output (undo: "make V=1")])
1085 [--disable-silent-rules],
1086 [verbose build output (undo: "make V=0")])dnl
1088 case $enable_silent_rules in @%:@ (((
1089 yes) AM_DEFAULT_VERBOSITY=0;;
1090 no) AM_DEFAULT_VERBOSITY=1;;
1091 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1094 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1095 dnl do not support nested variable expansions.
1096 dnl See automake bug#9928 and bug#10237.
1097 am_make=${MAKE-make}
1098 AC_CACHE_CHECK([whether $am_make supports nested variables],
1099 [am_cv_make_support_nested_variables],
1100 [if AS_ECHO([['TRUE=$(BAR$(V))
1106 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1107 am_cv_make_support_nested_variables=yes
1109 am_cv_make_support_nested_variables=no
1111 if test $am_cv_make_support_nested_variables = yes; then
1112 dnl Using '$V' instead of '$(V)' breaks IRIX make.
1114 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1116 AM_V=$AM_DEFAULT_VERBOSITY
1117 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1120 AM_SUBST_NOTMAKE([AM_V])dnl
1121 AC_SUBST([AM_DEFAULT_V])dnl
1122 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1123 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1125 AC_SUBST([AM_BACKSLASH])dnl
1126 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1129 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
1131 # This file is free software; the Free Software Foundation
1132 # gives unlimited permission to copy and/or distribute it,
1133 # with or without modifications, as long as this notice is preserved.
1135 # AM_PROG_INSTALL_STRIP
1136 # ---------------------
1137 # One issue with vendor 'install' (even GNU) is that you can't
1138 # specify the program used to strip binaries. This is especially
1139 # annoying in cross-compiling environments, where the build's strip
1140 # is unlikely to handle the host's binaries.
1141 # Fortunately install-sh will honor a STRIPPROG variable, so we
1142 # always use install-sh in "make install-strip", and initialize
1143 # STRIPPROG with the value of the STRIP variable (set by the user).
1144 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1145 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1146 # Installed binaries are usually stripped using 'strip' when the user
1147 # run "make install-strip". However 'strip' might not be the right
1148 # tool to use in cross-compilation environments, therefore Automake
1149 # will honor the 'STRIP' environment variable to overrule this program.
1150 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1151 if test "$cross_compiling" != no; then
1152 AC_CHECK_TOOL([STRIP], [strip], :)
1154 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1155 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1157 # Copyright (C) 2006-2013 Free Software Foundation, Inc.
1159 # This file is free software; the Free Software Foundation
1160 # gives unlimited permission to copy and/or distribute it,
1161 # with or without modifications, as long as this notice is preserved.
1163 # _AM_SUBST_NOTMAKE(VARIABLE)
1164 # ---------------------------
1165 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1166 # This macro is traced by Automake.
1167 AC_DEFUN([_AM_SUBST_NOTMAKE])
1169 # AM_SUBST_NOTMAKE(VARIABLE)
1170 # --------------------------
1171 # Public sister of _AM_SUBST_NOTMAKE.
1172 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1174 # Check how to create a tarball. -*- Autoconf -*-
1176 # Copyright (C) 2004-2013 Free Software Foundation, Inc.
1178 # This file is free software; the Free Software Foundation
1179 # gives unlimited permission to copy and/or distribute it,
1180 # with or without modifications, as long as this notice is preserved.
1182 # _AM_PROG_TAR(FORMAT)
1183 # --------------------
1184 # Check how to create a tarball in format FORMAT.
1185 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1187 # Substitute a variable $(am__tar) that is a command
1188 # writing to stdout a FORMAT-tarball containing the directory
1190 # tardir=directory && $(am__tar) > result.tar
1192 # Substitute a variable $(am__untar) that extract such
1193 # a tarball read from stdin.
1194 # $(am__untar) < result.tar
1196 AC_DEFUN([_AM_PROG_TAR],
1197 [# Always define AMTAR for backward compatibility. Yes, it's still used
1198 # in the wild :-( We should find a proper way to deprecate it ...
1199 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1201 # We'll loop over all known methods to create a tar archive until one works.
1202 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1205 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1209 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1210 # There is notably a 21 bits limit for the UID and the GID. In fact,
1211 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1213 am_max_uid=2097151 # 2^21 - 1
1214 am_max_gid=$am_max_uid
1215 # The $UID and $GID variables are not portable, so we need to resort
1216 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1217 # below are definitely unexpected, so allow the users to see them
1218 # (that is, avoid stderr redirection).
1219 am_uid=`id -u || echo unknown`
1220 am_gid=`id -g || echo unknown`
1221 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1222 if test $am_uid -le $am_max_uid; then
1223 AC_MSG_RESULT([yes])
1228 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1229 if test $am_gid -le $am_max_gid; then
1230 AC_MSG_RESULT([yes])
1239 [m4_fatal([Unknown tar format])])
1241 AC_MSG_CHECKING([how to create a $1 tar archive])
1243 # Go ahead even if we have the value already cached. We do so because we
1244 # need to set the values for the 'am__tar' and 'am__untar' variables.
1245 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1247 for _am_tool in $_am_tools; do
1250 for _am_tar in tar gnutar gtar; do
1251 AM_RUN_LOG([$_am_tar --version]) && break
1253 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1254 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1255 am__untar="$_am_tar -xf -"
1258 # Must skip GNU tar: if it does not support --format= it doesn't create
1259 # ustar tarball either.
1260 (tar --version) >/dev/null 2>&1 && continue
1261 am__tar='tar chf - "$$tardir"'
1262 am__tar_='tar chf - "$tardir"'
1263 am__untar='tar xf -'
1266 am__tar='pax -L -x $1 -w "$$tardir"'
1267 am__tar_='pax -L -x $1 -w "$tardir"'
1271 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1272 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1273 am__untar='cpio -i -H $1 -d'
1282 # If the value was cached, stop now. We just wanted to have am__tar
1283 # and am__untar set.
1284 test -n "${am_cv_prog_tar_$1}" && break
1286 # tar/untar a dummy directory, and stop if the command works.
1289 echo GrepMe > conftest.dir/file
1290 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1292 if test -s conftest.tar; then
1293 AM_RUN_LOG([$am__untar <conftest.tar])
1294 AM_RUN_LOG([cat conftest.dir/file])
1295 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1300 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1301 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1304 AC_SUBST([am__untar])
1307 m4_include([m4/ax_pthread.m4])
1308 m4_include([m4/gtk-doc.m4])
1309 m4_include([m4/libtool.m4])
1310 m4_include([m4/ltoptions.m4])
1311 m4_include([m4/ltsugar.m4])
1312 m4_include([m4/ltversion.m4])
1313 m4_include([m4/lt~obsolete.m4])
1314 m4_include([m4/pkg.m4])