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# gives unlimited permission to copy and/or distribute it,
731
# with or without modifications, as long as this notice is preserved.
735
# Check whether the underlying file-system supports filenames
736
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737
AC_DEFUN([AM_SET_LEADING_DOT],
738
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739
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740
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745
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746
AC_SUBST([am__leading_dot])])
748
# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
751
# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
752
# Free Software Foundation, Inc.
754
# This file is free software; the Free Software Foundation
755
# gives unlimited permission to copy and/or distribute it,
756
# with or without modifications, as long as this notice is preserved.
760
# AM_MAINTAINER_MODE([DEFAULT-MODE])
761
# ----------------------------------
762
# Control maintainer-specific portions of Makefiles.
763
# Default is to disable them, unless `enable' is passed literally.
764
# For symmetry, `disable' may be passed as well. Anyway, the user
765
# can override the default with the --enable/--disable switch.
766
AC_DEFUN([AM_MAINTAINER_MODE],
767
[m4_case(m4_default([$1], [disable]),
768
[enable], [m4_define([am_maintainer_other], [disable])],
769
[disable], [m4_define([am_maintainer_other], [enable])],
770
[m4_define([am_maintainer_other], [enable])
771
m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
772
AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
773
dnl maintainer-mode's default is 'disable' unless 'enable' is passed
774
AC_ARG_ENABLE([maintainer-mode],
775
[ --][am_maintainer_other][-maintainer-mode am_maintainer_other make rules and dependencies not useful
776
(and sometimes confusing) to the casual installer],
777
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778
[USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
779
AC_MSG_RESULT([$USE_MAINTAINER_MODE])
780
AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
781
MAINT=$MAINTAINER_MODE_TRUE
786
AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
788
# Check to see how 'make' treats includes. -*- Autoconf -*-
790
# Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
792
# This file is free software; the Free Software Foundation
793
# gives unlimited permission to copy and/or distribute it,
794
# with or without modifications, as long as this notice is preserved.
800
# Check to see how make treats includes.
801
AC_DEFUN([AM_MAKE_INCLUDE],
802
[am_make=${MAKE-make}
803
cat > confinc << 'END'
805
@echo this is the am__doit target
808
# If we don't find an include directive, just comment out the code.
809
AC_MSG_CHECKING([for style of include used by $am_make])
813
# First try GNU make style include.
814
echo "include confinc" > confmf
815
# Ignore all kinds of additional output from `make'.
816
case `$am_make -s -f confmf 2> /dev/null` in #(
817
*the\ am__doit\ target*)
823
# Now try BSD make style include.
824
if test "$am__include" = "#"; then
825
echo '.include "confinc"' > confmf
826
case `$am_make -s -f confmf 2> /dev/null` in #(
827
*the\ am__doit\ target*)
834
AC_SUBST([am__include])
835
AC_SUBST([am__quote])
836
AC_MSG_RESULT([$_am_result])
840
# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
842
# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
843
# Free Software Foundation, Inc.
845
# This file is free software; the Free Software Foundation
846
# gives unlimited permission to copy and/or distribute it,
847
# with or without modifications, as long as this notice is preserved.
851
# AM_MISSING_PROG(NAME, PROGRAM)
852
# ------------------------------
853
AC_DEFUN([AM_MISSING_PROG],
854
[AC_REQUIRE([AM_MISSING_HAS_RUN])
855
$1=${$1-"${am_missing_run}$2"}
861
# Define MISSING if not defined so far and test if it supports --run.
862
# If it does, set am_missing_run to use it, otherwise, to nothing.
863
AC_DEFUN([AM_MISSING_HAS_RUN],
864
[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
865
AC_REQUIRE_AUX_FILE([missing])dnl
866
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869
MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
871
MISSING="\${SHELL} $am_aux_dir/missing" ;;
874
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875
if eval "$MISSING --run true"; then
876
am_missing_run="$MISSING --run "
879
AC_MSG_WARN([`missing' script is too old or missing])
883
# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
885
# This file is free software; the Free Software Foundation
886
# gives unlimited permission to copy and/or distribute it,
887
# with or without modifications, as long as this notice is preserved.
891
# Check for `mkdir -p'.
892
AC_DEFUN([AM_PROG_MKDIR_P],
893
[AC_PREREQ([2.60])dnl
894
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
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dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
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dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
898
dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
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dnl Makefile.ins that do not define MKDIR_P, so we do our own
900
dnl adjustment using top_builddir (which is defined more often than
902
AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
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# Helper functions for option handling. -*- Autoconf -*-
911
# Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
913
# This file is free software; the Free Software Foundation
914
# gives unlimited permission to copy and/or distribute it,
915
# with or without modifications, as long as this notice is preserved.
919
# _AM_MANGLE_OPTION(NAME)
920
# -----------------------
921
AC_DEFUN([_AM_MANGLE_OPTION],
922
[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
924
# _AM_SET_OPTION(NAME)
925
# ------------------------------
926
# Set option NAME. Presently that only means defining a flag for this option.
927
AC_DEFUN([_AM_SET_OPTION],
928
[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
930
# _AM_SET_OPTIONS(OPTIONS)
931
# ----------------------------------
932
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933
AC_DEFUN([_AM_SET_OPTIONS],
934
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936
# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
937
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938
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939
AC_DEFUN([_AM_IF_OPTION],
940
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
942
# Check to make sure that the build environment is sane. -*- Autoconf -*-
944
# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
945
# Free Software Foundation, Inc.
947
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948
# gives unlimited permission to copy and/or distribute it,
949
# with or without modifications, as long as this notice is preserved.
955
AC_DEFUN([AM_SANITY_CHECK],
956
[AC_MSG_CHECKING([whether build environment is sane])
959
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960
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961
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AC_MSG_ERROR([unsafe absolute working directory name]);;
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AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
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# arguments. Must try -L first in case configure is actually a
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989
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990
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991
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AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
993
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996
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1002
AC_MSG_ERROR([newly created file is older than distributed files!
1003
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1005
AC_MSG_RESULT(yes)])
1007
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1009
# This file is free software; the Free Software Foundation
1010
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1011
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1015
# AM_SILENT_RULES([DEFAULT])
1016
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1017
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1018
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1019
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1020
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1021
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1023
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1024
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1025
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1026
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AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1030
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1031
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1034
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
1036
# This file is free software; the Free Software Foundation
1037
# gives unlimited permission to copy and/or distribute it,
1038
# with or without modifications, as long as this notice is preserved.
1040
# AM_PROG_INSTALL_STRIP
1041
# ---------------------
1042
# One issue with vendor `install' (even GNU) is that you can't
1043
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1044
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1045
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1046
# Fortunately install-sh will honor a STRIPPROG variable, so we
1047
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1048
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1049
AC_DEFUN([AM_PROG_INSTALL_STRIP],
1050
[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1051
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1053
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1057
AC_CHECK_TOOL([STRIP], [strip], :)
1059
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1060
AC_SUBST([INSTALL_STRIP_PROGRAM])])
1062
# Copyright (C) 2006, 2008 Free Software Foundation, Inc.
1064
# This file is free software; the Free Software Foundation
1065
# gives unlimited permission to copy and/or distribute it,
1066
# with or without modifications, as long as this notice is preserved.
1070
# _AM_SUBST_NOTMAKE(VARIABLE)
1071
# ---------------------------
1072
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1073
# This macro is traced by Automake.
1074
AC_DEFUN([_AM_SUBST_NOTMAKE])
1076
# AM_SUBST_NOTMAKE(VARIABLE)
1077
# ---------------------------
1078
# Public sister of _AM_SUBST_NOTMAKE.
1079
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1081
# Check how to create a tarball. -*- Autoconf -*-
1083
# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
1085
# This file is free software; the Free Software Foundation
1086
# gives unlimited permission to copy and/or distribute it,
1087
# with or without modifications, as long as this notice is preserved.
1091
# _AM_PROG_TAR(FORMAT)
1092
# --------------------
1093
# Check how to create a tarball in format FORMAT.
1094
# FORMAT should be one of `v7', `ustar', or `pax'.
1096
# Substitute a variable $(am__tar) that is a command
1097
# writing to stdout a FORMAT-tarball containing the directory
1099
# tardir=directory && $(am__tar) > result.tar
1101
# Substitute a variable $(am__untar) that extract such
1102
# a tarball read from stdin.
1103
# $(am__untar) < result.tar
1104
AC_DEFUN([_AM_PROG_TAR],
1105
[# Always define AMTAR for backward compatibility.
1106
AM_MISSING_PROG([AMTAR], [tar])
1108
[am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
1109
[m4_case([$1], [ustar],, [pax],,
1110
[m4_fatal([Unknown tar format])])
1111
AC_MSG_CHECKING([how to create a $1 tar archive])
1112
# Loop over all known methods to create a tar archive until one works.
1113
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1114
_am_tools=${am_cv_prog_tar_$1-$_am_tools}
1115
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1117
for _am_tool in $_am_tools
1121
for _am_tar in tar gnutar gtar;
1123
AM_RUN_LOG([$_am_tar --version]) && break
1125
am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1126
am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1127
am__untar="$_am_tar -xf -"
1130
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1131
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1132
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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
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1155
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1156
test -n "${am_cv_prog_tar_$1}" && break
1158
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1161
echo GrepMe > conftest.dir/file
1162
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1164
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1165
AM_RUN_LOG([$am__untar <conftest.tar])
1166
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1171
AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1172
AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1174
AC_SUBST([am__untar])
1177
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1179
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dnl Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
2621
1623
AC_SUBST([CHANGELOG_CMD])
2622
1624
]) # XORG_CHANGELOG
1626
# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
1628
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1629
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1630
# with or without modifications, as long as this notice is preserved.
1632
# AM_AUTOMAKE_VERSION(VERSION)
1633
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1634
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1635
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1636
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1637
AC_DEFUN([AM_AUTOMAKE_VERSION],
1638
[am__api_version='1.11'
1639
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
1640
dnl require some minimum version. Point them to the right macro.
1641
m4_if([$1], [1.11.1], [],
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1645
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1646
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1648
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1649
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1650
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1652
# AM_SET_CURRENT_AUTOMAKE_VERSION
1653
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1654
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1655
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1656
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
1657
[AM_AUTOMAKE_VERSION([1.11.1])dnl
1658
m4_ifndef([AC_AUTOCONF_VERSION],
1659
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
1660
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
1662
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
1664
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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1668
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1670
# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
1671
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1675
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1678
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1679
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1680
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1682
# $ac_aux_dir/missing
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1684
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1685
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1686
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1689
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1690
# are both prefixed by $srcdir. In an in-source build this is usually
1691
# harmless because $srcdir is `.', but things will broke when you
1692
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1694
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1695
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1712
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1717
# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
1718
# Free Software Foundation, Inc.
1720
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1722
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1726
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1727
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1728
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1729
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1731
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1735
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1748
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1751
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
1752
# Free Software Foundation, Inc.
1754
# This file is free software; the Free Software Foundation
1755
# gives unlimited permission to copy and/or distribute it,
1756
# with or without modifications, as long as this notice is preserved.
1760
# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
1761
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1762
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1763
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1764
# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
1767
# _AM_DEPENDENCIES(NAME)
1768
# ----------------------
1769
# See how the compiler implements dependency checking.
1770
# NAME is "CC", "CXX", "GCJ", or "OBJC".
1771
# We try a few techniques and use that to set a single cache variable.
1773
# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
1774
# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
1775
# dependency, and given that the user is not expected to run this macro,
1776
# just rely on AC_PROG_CC.
1777
AC_DEFUN([_AM_DEPENDENCIES],
1778
[AC_REQUIRE([AM_SET_DEPDIR])dnl
1779
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1888
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1935
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1936
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1938
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1939
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1940
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1944
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1945
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1948
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2159
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dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
2345
dnl Makefile.ins that do not define MKDIR_P, so we do our own
2346
dnl adjustment using top_builddir (which is defined more often than
2348
AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
2350
[[\\/$]]* | ?:[[\\/]]*) ;;
2351
*/*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
2355
# Helper functions for option handling. -*- Autoconf -*-
2357
# Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
2359
# This file is free software; the Free Software Foundation
2360
# gives unlimited permission to copy and/or distribute it,
2361
# with or without modifications, as long as this notice is preserved.
2365
# _AM_MANGLE_OPTION(NAME)
2366
# -----------------------
2367
AC_DEFUN([_AM_MANGLE_OPTION],
2368
[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
2370
# _AM_SET_OPTION(NAME)
2371
# ------------------------------
2372
# Set option NAME. Presently that only means defining a flag for this option.
2373
AC_DEFUN([_AM_SET_OPTION],
2374
[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
2376
# _AM_SET_OPTIONS(OPTIONS)
2377
# ----------------------------------
2378
# OPTIONS is a space-separated list of Automake options.
2379
AC_DEFUN([_AM_SET_OPTIONS],
2380
[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
2382
# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
2383
# -------------------------------------------
2384
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
2385
AC_DEFUN([_AM_IF_OPTION],
2386
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
2388
# Check to make sure that the build environment is sane. -*- Autoconf -*-
2390
# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
2391
# Free Software Foundation, Inc.
2393
# This file is free software; the Free Software Foundation
2394
# gives unlimited permission to copy and/or distribute it,
2395
# with or without modifications, as long as this notice is preserved.
2401
AC_DEFUN([AM_SANITY_CHECK],
2402
[AC_MSG_CHECKING([whether build environment is sane])
2405
echo timestamp > conftest.file
2406
# Reject unsafe characters in $srcdir or the absolute working directory
2407
# name. Accept space and tab only in the latter.
2411
*[[\\\"\#\$\&\'\`$am_lf]]*)
2412
AC_MSG_ERROR([unsafe absolute working directory name]);;
2415
*[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
2416
AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
2419
# Do `set' in a subshell so we don't clobber the current shell's
2420
# arguments. Must try -L first in case configure is actually a
2421
# symlink; some systems play weird games with the mod time of symlinks
2422
# (eg FreeBSD returns the mod time of the symlink's containing
2425
set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
2426
if test "$[*]" = "X"; then
2428
set X `ls -t "$srcdir/configure" conftest.file`
2431
if test "$[*]" != "X $srcdir/configure conftest.file" \
2432
&& test "$[*]" != "X conftest.file $srcdir/configure"; then
2434
# If neither matched, then we have a broken ls. This can happen
2435
# if, for instance, CONFIG_SHELL is bash and it inherits a
2436
# broken ls alias from the environment. This has actually
2437
# happened. Such a system could not be considered "sane".
2438
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
2439
alias in your environment])
2442
test "$[2]" = conftest.file
2448
AC_MSG_ERROR([newly created file is older than distributed files!
2449
Check your system clock])
2451
AC_MSG_RESULT(yes)])
2453
# Copyright (C) 2009 Free Software Foundation, Inc.
2455
# This file is free software; the Free Software Foundation
2456
# gives unlimited permission to copy and/or distribute it,
2457
# with or without modifications, as long as this notice is preserved.
2461
# AM_SILENT_RULES([DEFAULT])
2462
# --------------------------
2463
# Enable less verbose build rules; with the default set to DEFAULT
2464
# (`yes' being less verbose, `no' or empty being verbose).
2465
AC_DEFUN([AM_SILENT_RULES],
2466
[AC_ARG_ENABLE([silent-rules],
2467
[ --enable-silent-rules less verbose build output (undo: `make V=1')
2468
--disable-silent-rules verbose build output (undo: `make V=0')])
2469
case $enable_silent_rules in
2470
yes) AM_DEFAULT_VERBOSITY=0;;
2471
no) AM_DEFAULT_VERBOSITY=1;;
2472
*) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
2474
AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
2476
AC_SUBST([AM_BACKSLASH])dnl
2477
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
2480
# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
2482
# This file is free software; the Free Software Foundation
2483
# gives unlimited permission to copy and/or distribute it,
2484
# with or without modifications, as long as this notice is preserved.
2486
# AM_PROG_INSTALL_STRIP
2487
# ---------------------
2488
# One issue with vendor `install' (even GNU) is that you can't
2489
# specify the program used to strip binaries. This is especially
2490
# annoying in cross-compiling environments, where the build's strip
2491
# is unlikely to handle the host's binaries.
2492
# Fortunately install-sh will honor a STRIPPROG variable, so we
2493
# always use install-sh in `make install-strip', and initialize
2494
# STRIPPROG with the value of the STRIP variable (set by the user).
2495
AC_DEFUN([AM_PROG_INSTALL_STRIP],
2496
[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
2497
# Installed binaries are usually stripped using `strip' when the user
2498
# run `make install-strip'. However `strip' might not be the right
2499
# tool to use in cross-compilation environments, therefore Automake
2500
# will honor the `STRIP' environment variable to overrule this program.
2501
dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
2502
if test "$cross_compiling" != no; then
2503
AC_CHECK_TOOL([STRIP], [strip], :)
2505
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
2506
AC_SUBST([INSTALL_STRIP_PROGRAM])])
2508
# Copyright (C) 2006, 2008 Free Software Foundation, Inc.
2510
# This file is free software; the Free Software Foundation
2511
# gives unlimited permission to copy and/or distribute it,
2512
# with or without modifications, as long as this notice is preserved.
2516
# _AM_SUBST_NOTMAKE(VARIABLE)
2517
# ---------------------------
2518
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
2519
# This macro is traced by Automake.
2520
AC_DEFUN([_AM_SUBST_NOTMAKE])
2522
# AM_SUBST_NOTMAKE(VARIABLE)
2523
# ---------------------------
2524
# Public sister of _AM_SUBST_NOTMAKE.
2525
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
2527
# Check how to create a tarball. -*- Autoconf -*-
2529
# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
2531
# This file is free software; the Free Software Foundation
2532
# gives unlimited permission to copy and/or distribute it,
2533
# with or without modifications, as long as this notice is preserved.
2537
# _AM_PROG_TAR(FORMAT)
2538
# --------------------
2539
# Check how to create a tarball in format FORMAT.
2540
# FORMAT should be one of `v7', `ustar', or `pax'.
2542
# Substitute a variable $(am__tar) that is a command
2543
# writing to stdout a FORMAT-tarball containing the directory
2545
# tardir=directory && $(am__tar) > result.tar
2547
# Substitute a variable $(am__untar) that extract such
2548
# a tarball read from stdin.
2549
# $(am__untar) < result.tar
2550
AC_DEFUN([_AM_PROG_TAR],
2551
[# Always define AMTAR for backward compatibility.
2552
AM_MISSING_PROG([AMTAR], [tar])
2554
[am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
2555
[m4_case([$1], [ustar],, [pax],,
2556
[m4_fatal([Unknown tar format])])
2557
AC_MSG_CHECKING([how to create a $1 tar archive])
2558
# Loop over all known methods to create a tar archive until one works.
2559
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
2560
_am_tools=${am_cv_prog_tar_$1-$_am_tools}
2561
# Do not fold the above two line into one, because Tru64 sh and
2562
# Solaris sh will not grok spaces in the rhs of `-'.
2563
for _am_tool in $_am_tools
2567
for _am_tar in tar gnutar gtar;
2569
AM_RUN_LOG([$_am_tar --version]) && break
2571
am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
2572
am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
2573
am__untar="$_am_tar -xf -"
2576
# Must skip GNU tar: if it does not support --format= it doesn't create
2577
# ustar tarball either.
2578
(tar --version) >/dev/null 2>&1 && continue
2579
am__tar='tar chf - "$$tardir"'
2580
am__tar_='tar chf - "$tardir"'
2581
am__untar='tar xf -'
2584
am__tar='pax -L -x $1 -w "$$tardir"'
2585
am__tar_='pax -L -x $1 -w "$tardir"'
2589
am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
2590
am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
2591
am__untar='cpio -i -H $1 -d'
2600
# If the value was cached, stop now. We just wanted to have am__tar
2601
# and am__untar set.
2602
test -n "${am_cv_prog_tar_$1}" && break
2604
# tar/untar a dummy directory, and stop if the command works
2607
echo GrepMe > conftest.dir/file
2608
AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
2610
if test -s conftest.tar; then
2611
AM_RUN_LOG([$am__untar <conftest.tar])
2612
grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
2617
AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
2618
AC_MSG_RESULT([$am_cv_prog_tar_$1])])
2620
AC_SUBST([am__untar])