1 # generated automatically by aclocal 1.11 -*- Autoconf -*-
3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008, 2009 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
14 m4_ifndef([AC_AUTOCONF_VERSION],
15 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
16 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.65],,
17 [m4_warning([this file was generated for autoconf 2.65.
18 You have another version of autoconf. It may work, but is not guaranteed to.
19 If you have problems, you may need to regenerate the build system entirely.
20 To do so, use the procedure documented by the package, typically `autoreconf'.])])
22 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
24 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
26 # This program is free software; you can redistribute it and/or modify
27 # it under the terms of the GNU General Public License as published by
28 # the Free Software Foundation; either version 2 of the License, or
29 # (at your option) any later version.
31 # This program is distributed in the hope that it will be useful, but
32 # WITHOUT ANY WARRANTY; without even the implied warranty of
33 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
34 # General Public License for more details.
36 # You should have received a copy of the GNU General Public License
37 # along with this program; if not, write to the Free Software
38 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
40 # As a special exception to the GNU General Public License, if you
41 # distribute this file as part of a program that contains a
42 # configuration script generated by Autoconf, you may include it under
43 # the same distribution terms that you use for the rest of that program.
45 # PKG_PROG_PKG_CONFIG([MIN-VERSION])
46 # ----------------------------------
47 AC_DEFUN([PKG_PROG_PKG_CONFIG],
48 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
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65 ])# PKG_PROG_PKG_CONFIG
67 # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
69 # Check to see whether a particular set of modules exists. Similar
70 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
73 # Similar to PKG_CHECK_MODULES, make sure that the first instance of
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75 # PKG_CHECK_EXISTS manually
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78 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
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91 if test -n "$$1"; then
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110 _pkg_short_errors_supported=no
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115 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
116 # [ACTION-IF-NOT-FOUND])
119 # Note that if there is a possibility the first call to
120 # PKG_CHECK_MODULES might not happen, you should be sure to include an
121 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
124 # --------------------------------------------------------------
125 AC_DEFUN([PKG_CHECK_MODULES],
126 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
127 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
128 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
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174 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
176 ifelse([$3], , :, [$3])
178 ])# PKG_CHECK_MODULES
180 # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
182 # This file is free software; the Free Software Foundation
183 # gives unlimited permission to copy and/or distribute it,
184 # with or without modifications, as long as this notice is preserved.
186 # AM_AUTOMAKE_VERSION(VERSION)
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188 # Automake X.Y traces this macro to ensure aclocal.m4 has been
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216 # AM_AUX_DIR_EXPAND -*- Autoconf -*-
218 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
220 # This file is free software; the Free Software Foundation
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270 # Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2005
271 # Free Software Foundation, Inc.
273 # This file is free software; the Free Software Foundation
274 # gives unlimited permission to copy and/or distribute it,
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279 # This was merged into AC_PROG_CC in Autoconf.
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292 # AM_CONDITIONAL -*- Autoconf -*-
294 # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
295 # Free Software Foundation, Inc.
297 # This file is free software; the Free Software Foundation
298 # gives unlimited permission to copy and/or distribute it,
299 # with or without modifications, as long as this notice is preserved.
303 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
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328 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
329 # Free Software Foundation, Inc.
331 # This file is free software; the Free Software Foundation
332 # gives unlimited permission to copy and/or distribute it,
333 # with or without modifications, as long as this notice is preserved.
337 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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510 # Generate code to set up dependency tracking. -*- Autoconf -*-
512 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
513 # Free Software Foundation, Inc.
515 # This file is free software; the Free Software Foundation
516 # gives unlimited permission to copy and/or distribute it,
517 # with or without modifications, as long as this notice is preserved.
521 # _AM_OUTPUT_DEPENDENCY_COMMANDS
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654 # Define the identity of the package.
655 dnl Distinguish between old-style and new-style calls.
657 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
658 AC_SUBST([PACKAGE], [$1])dnl
659 AC_SUBST([VERSION], [$2])],
660 [_AM_SET_OPTIONS([$1])dnl
661 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
662 m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
663 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
664 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
665 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
667 _AM_IF_OPTION([no-define],,
668 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
669 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
671 # Some tools Automake needs.
672 AC_REQUIRE([AM_SANITY_CHECK])dnl
673 AC_REQUIRE([AC_ARG_PROGRAM])dnl
674 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
675 AM_MISSING_PROG(AUTOCONF, autoconf)
676 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
677 AM_MISSING_PROG(AUTOHEADER, autoheader)
678 AM_MISSING_PROG(MAKEINFO, makeinfo)
679 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
680 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
681 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
682 # We need awk for the "check" target. The system "awk" is bad on
684 AC_REQUIRE([AC_PROG_AWK])dnl
685 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
686 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
687 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
688 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
689 [_AM_PROG_TAR([v7])])])
690 _AM_IF_OPTION([no-dependencies],,
691 [AC_PROVIDE_IFELSE([AC_PROG_CC],
692 [_AM_DEPENDENCIES(CC)],
693 [define([AC_PROG_CC],
694 defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
695 AC_PROVIDE_IFELSE([AC_PROG_CXX],
696 [_AM_DEPENDENCIES(CXX)],
697 [define([AC_PROG_CXX],
698 defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
699 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
700 [_AM_DEPENDENCIES(OBJC)],
701 [define([AC_PROG_OBJC],
702 defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
704 _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
705 dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
706 dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
707 dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
708 AC_CONFIG_COMMANDS_PRE(dnl
709 [m4_provide_if([_AM_COMPILER_EXEEXT],
710 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
713 dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
714 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
715 dnl mangled by Autoconf and run in a shell conditional statement.
716 m4_define([_AC_COMPILER_EXEEXT],
717 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
720 # When config.status generates a header, we must update the stamp-h file.
721 # This file resides in the same directory as the config header
722 # that is generated. The stamp files are numbered to have different names.
724 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
725 # loop where config.status creates the headers, so we can generate
726 # our stamp files there.
727 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
728 [# Compute $1's index in $config_headers.
731 for _am_header in $config_headers :; do
733 $_am_arg | $_am_arg:* )
736 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
739 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
741 # Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
743 # This file is free software; the Free Software Foundation
744 # gives unlimited permission to copy and/or distribute it,
745 # with or without modifications, as long as this notice is preserved.
749 # Define $install_sh.
750 AC_DEFUN([AM_PROG_INSTALL_SH],
751 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
752 if test x"${install_sh}" != xset; then
755 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
757 install_sh="\${SHELL} $am_aux_dir/install-sh"
760 AC_SUBST(install_sh)])
762 # Copyright (C) 2003, 2005 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 # Check whether the underlying file-system supports filenames
771 # with a leading dot. For instance MS-DOS doesn't.
772 AC_DEFUN([AM_SET_LEADING_DOT],
773 [rm -rf .tst 2>/dev/null
774 mkdir .tst 2>/dev/null
775 if test -d .tst; then
780 rmdir .tst 2>/dev/null
781 AC_SUBST([am__leading_dot])])
783 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
786 # Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
787 # Free Software Foundation, Inc.
789 # This file is free software; the Free Software Foundation
790 # gives unlimited permission to copy and/or distribute it,
791 # with or without modifications, as long as this notice is preserved.
795 # AM_MAINTAINER_MODE([DEFAULT-MODE])
796 # ----------------------------------
797 # Control maintainer-specific portions of Makefiles.
798 # Default is to disable them, unless `enable' is passed literally.
799 # For symmetry, `disable' may be passed as well. Anyway, the user
800 # can override the default with the --enable/--disable switch.
801 AC_DEFUN([AM_MAINTAINER_MODE],
802 [m4_case(m4_default([$1], [disable]),
803 [enable], [m4_define([am_maintainer_other], [disable])],
804 [disable], [m4_define([am_maintainer_other], [enable])],
805 [m4_define([am_maintainer_other], [enable])
806 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
807 AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
808 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
809 AC_ARG_ENABLE([maintainer-mode],
810 [ --][am_maintainer_other][-maintainer-mode am_maintainer_other make rules and dependencies not useful
811 (and sometimes confusing) to the casual installer],
812 [USE_MAINTAINER_MODE=$enableval],
813 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
814 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
815 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
816 MAINT=$MAINTAINER_MODE_TRUE
821 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
823 # Check to see how 'make' treats includes. -*- Autoconf -*-
825 # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
827 # This file is free software; the Free Software Foundation
828 # gives unlimited permission to copy and/or distribute it,
829 # with or without modifications, as long as this notice is preserved.
835 # Check to see how make treats includes.
836 AC_DEFUN([AM_MAKE_INCLUDE],
837 [am_make=${MAKE-make}
838 cat > confinc << 'END'
840 @echo this is the am__doit target
843 # If we don't find an include directive, just comment out the code.
844 AC_MSG_CHECKING([for style of include used by $am_make])
848 # First try GNU make style include.
849 echo "include confinc" > confmf
850 # Ignore all kinds of additional output from `make'.
851 case `$am_make -s -f confmf 2> /dev/null` in #(
852 *the\ am__doit\ target*)
858 # Now try BSD make style include.
859 if test "$am__include" = "#"; then
860 echo '.include "confinc"' > confmf
861 case `$am_make -s -f confmf 2> /dev/null` in #(
862 *the\ am__doit\ target*)
869 AC_SUBST([am__include])
870 AC_SUBST([am__quote])
871 AC_MSG_RESULT([$_am_result])
875 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
877 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
878 # Free Software Foundation, Inc.
880 # This file is free software; the Free Software Foundation
881 # gives unlimited permission to copy and/or distribute it,
882 # with or without modifications, as long as this notice is preserved.
886 # AM_MISSING_PROG(NAME, PROGRAM)
887 # ------------------------------
888 AC_DEFUN([AM_MISSING_PROG],
889 [AC_REQUIRE([AM_MISSING_HAS_RUN])
890 $1=${$1-"${am_missing_run}$2"}
896 # Define MISSING if not defined so far and test if it supports --run.
897 # If it does, set am_missing_run to use it, otherwise, to nothing.
898 AC_DEFUN([AM_MISSING_HAS_RUN],
899 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
900 AC_REQUIRE_AUX_FILE([missing])dnl
901 if test x"${MISSING+set}" != xset; then
904 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
906 MISSING="\${SHELL} $am_aux_dir/missing" ;;
909 # Use eval to expand $SHELL
910 if eval "$MISSING --run true"; then
911 am_missing_run="$MISSING --run "
914 AC_MSG_WARN([`missing' script is too old or missing])
918 # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
920 # This file is free software; the Free Software Foundation
921 # gives unlimited permission to copy and/or distribute it,
922 # with or without modifications, as long as this notice is preserved.
926 # Check for `mkdir -p'.
927 AC_DEFUN([AM_PROG_MKDIR_P],
928 [AC_PREREQ([2.60])dnl
929 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
930 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
931 dnl while keeping a definition of mkdir_p for backward compatibility.
932 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
933 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
934 dnl Makefile.ins that do not define MKDIR_P, so we do our own
935 dnl adjustment using top_builddir (which is defined more often than
937 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
939 [[\\/$]]* | ?:[[\\/]]*) ;;
940 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
944 # Helper functions for option handling. -*- Autoconf -*-
946 # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
948 # This file is free software; the Free Software Foundation
949 # gives unlimited permission to copy and/or distribute it,
950 # with or without modifications, as long as this notice is preserved.
954 # _AM_MANGLE_OPTION(NAME)
955 # -----------------------
956 AC_DEFUN([_AM_MANGLE_OPTION],
957 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
959 # _AM_SET_OPTION(NAME)
960 # ------------------------------
961 # Set option NAME. Presently that only means defining a flag for this option.
962 AC_DEFUN([_AM_SET_OPTION],
963 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
965 # _AM_SET_OPTIONS(OPTIONS)
966 # ----------------------------------
967 # OPTIONS is a space-separated list of Automake options.
968 AC_DEFUN([_AM_SET_OPTIONS],
969 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
971 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
972 # -------------------------------------------
973 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
974 AC_DEFUN([_AM_IF_OPTION],
975 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
977 # Check to make sure that the build environment is sane. -*- Autoconf -*-
979 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
980 # Free Software Foundation, Inc.
982 # This file is free software; the Free Software Foundation
983 # gives unlimited permission to copy and/or distribute it,
984 # with or without modifications, as long as this notice is preserved.
990 AC_DEFUN([AM_SANITY_CHECK],
991 [AC_MSG_CHECKING([whether build environment is sane])
994 echo timestamp > conftest.file
995 # Reject unsafe characters in $srcdir or the absolute working directory
996 # name. Accept space and tab only in the latter.
1000 *[[\\\"\#\$\&\'\`$am_lf]]*)
1001 AC_MSG_ERROR([unsafe absolute working directory name]);;
1004 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
1005 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
1008 # Do `set' in a subshell so we don't clobber the current shell's
1009 # arguments. Must try -L first in case configure is actually a
1010 # symlink; some systems play weird games with the mod time of symlinks
1011 # (eg FreeBSD returns the mod time of the symlink's containing
1014 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1015 if test "$[*]" = "X"; then
1017 set X `ls -t "$srcdir/configure" conftest.file`
1020 if test "$[*]" != "X $srcdir/configure conftest.file" \
1021 && test "$[*]" != "X conftest.file $srcdir/configure"; then
1023 # If neither matched, then we have a broken ls. This can happen
1024 # if, for instance, CONFIG_SHELL is bash and it inherits a
1025 # broken ls alias from the environment. This has actually
1026 # happened. Such a system could not be considered "sane".
1027 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
1028 alias in your environment])
1031 test "$[2]" = conftest.file
1037 AC_MSG_ERROR([newly created file is older than distributed files!
1038 Check your system clock])
1040 AC_MSG_RESULT(yes)])
1042 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
1044 # This file is free software; the Free Software Foundation
1045 # gives unlimited permission to copy and/or distribute it,
1046 # with or without modifications, as long as this notice is preserved.
1048 # AM_PROG_INSTALL_STRIP
1049 # ---------------------
1050 # One issue with vendor `install' (even GNU) is that you can't
1051 # specify the program used to strip binaries. This is especially
1052 # annoying in cross-compiling environments, where the build's strip
1053 # is unlikely to handle the host's binaries.
1054 # Fortunately install-sh will honor a STRIPPROG variable, so we
1055 # always use install-sh in `make install-strip', and initialize
1056 # STRIPPROG with the value of the STRIP variable (set by the user).
1057 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1058 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1059 # Installed binaries are usually stripped using `strip' when the user
1060 # run `make install-strip'. However `strip' might not be the right
1061 # tool to use in cross-compilation environments, therefore Automake
1062 # will honor the `STRIP' environment variable to overrule this program.
1063 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
1064 if test "$cross_compiling" != no; then
1065 AC_CHECK_TOOL([STRIP], [strip], :)
1067 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1068 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1070 # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
1072 # This file is free software; the Free Software Foundation
1073 # gives unlimited permission to copy and/or distribute it,
1074 # with or without modifications, as long as this notice is preserved.
1078 # _AM_SUBST_NOTMAKE(VARIABLE)
1079 # ---------------------------
1080 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1081 # This macro is traced by Automake.
1082 AC_DEFUN([_AM_SUBST_NOTMAKE])
1084 # AM_SUBST_NOTMAKE(VARIABLE)
1085 # ---------------------------
1086 # Public sister of _AM_SUBST_NOTMAKE.
1087 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1089 # Check how to create a tarball. -*- Autoconf -*-
1091 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
1093 # This file is free software; the Free Software Foundation
1094 # gives unlimited permission to copy and/or distribute it,
1095 # with or without modifications, as long as this notice is preserved.
1099 # _AM_PROG_TAR(FORMAT)
1100 # --------------------
1101 # Check how to create a tarball in format FORMAT.
1102 # FORMAT should be one of `v7', `ustar', or `pax'.
1104 # Substitute a variable $(am__tar) that is a command
1105 # writing to stdout a FORMAT-tarball containing the directory
1107 # tardir=directory && $(am__tar) > result.tar
1109 # Substitute a variable $(am__untar) that extract such
1110 # a tarball read from stdin.
1111 # $(am__untar) < result.tar
1112 AC_DEFUN([_AM_PROG_TAR],
1113 [# Always define AMTAR for backward compatibility.
1114 AM_MISSING_PROG([AMTAR], [tar])
1116 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
1117 [m4_case([$1], [ustar],, [pax],,
1118 [m4_fatal([Unknown tar format])])
1119 AC_MSG_CHECKING([how to create a $1 tar archive])
1120 # Loop over all known methods to create a tar archive until one works.
1121 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1122 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1123 # Do not fold the above two line into one, because Tru64 sh and
1124 # Solaris sh will not grok spaces in the rhs of `-'.
1125 for _am_tool in $_am_tools
1129 for _am_tar in tar gnutar gtar;
1131 AM_RUN_LOG([$_am_tar --version]) && break
1133 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1134 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1135 am__untar="$_am_tar -xf -"
1138 # Must skip GNU tar: if it does not support --format= it doesn't create
1139 # ustar tarball either.
1140 (tar --version) >/dev/null 2>&1 && continue
1141 am__tar='tar chf - "$$tardir"'
1142 am__tar_='tar chf - "$tardir"'
1143 am__untar='tar xf -'
1146 am__tar='pax -L -x $1 -w "$$tardir"'
1147 am__tar_='pax -L -x $1 -w "$tardir"'
1151 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1152 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1153 am__untar='cpio -i -H $1 -d'
1162 # If the value was cached, stop now. We just wanted to have am__tar
1163 # and am__untar set.
1164 test -n "${am_cv_prog_tar_$1}" && break
1166 # tar/untar a dummy directory, and stop if the command works
1169 echo GrepMe > conftest.dir/file
1170 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1172 if test -s conftest.tar; then
1173 AM_RUN_LOG([$am__untar <conftest.tar])
1174 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1179 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1180 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1182 AC_SUBST([am__untar])
1185 m4_include([config/acx_mpi.m4])