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|
- # generated automatically by aclocal 1.15 -*- Autoconf -*-
-
- # Copyright (C) 1996-2014 Free Software Foundation, Inc.
-
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
-
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
- # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- # PARTICULAR PURPOSE.
-
- m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
- m4_ifndef([AC_AUTOCONF_VERSION],
- [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
- m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
- [m4_warning([this file was generated for autoconf 2.69.
- You have another version of autoconf. It may work, but is not guaranteed to.
- If you have problems, you may need to regenerate the build system entirely.
- To do so, use the procedure documented by the package, typically 'autoreconf'.])])
-
- # ===========================================================================
- # http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
- #
- # DESCRIPTION
- #
- # Check whether the given FLAG works with the current language's compiler
- # or gives an error. (Warnings, however, are ignored)
- #
- # ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
- # success/failure.
- #
- # If EXTRA-FLAGS is defined, it is added to the current language's default
- # flags (e.g. CFLAGS) when the check is done. The check is thus made with
- # the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
- # force the compiler to issue an error when a bad flag is given.
- #
- # INPUT gives an alternative input source to AC_COMPILE_IFELSE.
- #
- # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
- # macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG.
- #
- # LICENSE
- #
- # Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
- # Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
- #
- # This program is free software: you can redistribute it and/or modify it
- # under the terms of the GNU General Public License as published by the
- # Free Software Foundation, either version 3 of the License, or (at your
- # option) any later version.
- #
- # This program is distributed in the hope that it will be useful, but
- # WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- # Public License for more details.
- #
- # You should have received a copy of the GNU General Public License along
- # with this program. If not, see <http://www.gnu.org/licenses/>.
- #
- # As a special exception, the respective Autoconf Macro's copyright owner
- # gives unlimited permission to copy, distribute and modify the configure
- # scripts that are the output of Autoconf when processing the Macro. You
- # need not follow the terms of the GNU General Public License when using
- # or distributing such scripts, even though portions of the text of the
- # Macro appear in them. The GNU General Public License (GPL) does govern
- # all other use of the material that constitutes the Autoconf Macro.
- #
- # This special exception to the GPL applies to versions of the Autoconf
- # Macro released by the Autoconf Archive. When you make and distribute a
- # modified version of the Autoconf Macro, you may extend this special
- # exception to the GPL to apply to your modified version as well.
-
- #serial 4
-
- AC_DEFUN([AX_CHECK_COMPILE_FLAG],
- [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
- AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
- AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
- ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
- _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
- AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
- [AS_VAR_SET(CACHEVAR,[yes])],
- [AS_VAR_SET(CACHEVAR,[no])])
- _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
- AS_VAR_IF(CACHEVAR,yes,
- [m4_default([$2], :)],
- [m4_default([$3], :)])
- AS_VAR_POPDEF([CACHEVAR])dnl
- ])dnl AX_CHECK_COMPILE_FLAGS
-
- # Configure paths for LIBXML2
- # Mike Hommey 2004-06-19
- # use CPPFLAGS instead of CFLAGS
- # Toshio Kuratomi 2001-04-21
- # Adapted from:
- # Configure paths for GLIB
- # Owen Taylor 97-11-3
-
- dnl AM_PATH_XML2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
- dnl Test for XML, and define XML_CPPFLAGS and XML_LIBS
- dnl
- AC_DEFUN([AM_PATH_XML2],[
- AC_ARG_WITH(xml-prefix,
- [ --with-xml-prefix=PFX Prefix where libxml is installed (optional)],
- xml_config_prefix="$withval", xml_config_prefix="")
- AC_ARG_WITH(xml-exec-prefix,
- [ --with-xml-exec-prefix=PFX Exec prefix where libxml is installed (optional)],
- xml_config_exec_prefix="$withval", xml_config_exec_prefix="")
- AC_ARG_ENABLE(xmltest,
- [ --disable-xmltest Do not try to compile and run a test LIBXML program],,
- enable_xmltest=yes)
-
- if test x$xml_config_exec_prefix != x ; then
- xml_config_args="$xml_config_args"
- if test x${XML2_CONFIG+set} != xset ; then
- XML2_CONFIG=$xml_config_exec_prefix/bin/xml2-config
- fi
- fi
- if test x$xml_config_prefix != x ; then
- xml_config_args="$xml_config_args --prefix=$xml_config_prefix"
- if test x${XML2_CONFIG+set} != xset ; then
- XML2_CONFIG=$xml_config_prefix/bin/xml2-config
- fi
- fi
-
- AC_PATH_PROG(XML2_CONFIG, xml2-config, no)
- min_xml_version=ifelse([$1], ,2.0.0,[$1])
- AC_MSG_CHECKING(for libxml - version >= $min_xml_version)
- no_xml=""
- if test "$XML2_CONFIG" = "no" ; then
- no_xml=yes
- else
- XML_CPPFLAGS=`$XML2_CONFIG $xml_config_args --cflags`
- XML_LIBS=`$XML2_CONFIG $xml_config_args --libs`
- xml_config_major_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
- xml_config_minor_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
- xml_config_micro_version=`$XML2_CONFIG $xml_config_args --version | \
- sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
- if test "x$enable_xmltest" = "xyes" ; then
- ac_save_CPPFLAGS="$CPPFLAGS"
- ac_save_LIBS="$LIBS"
- CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
- LIBS="$XML_LIBS $LIBS"
- dnl
- dnl Now check if the installed libxml is sufficiently new.
- dnl (Also sanity checks the results of xml2-config to some extent)
- dnl
- rm -f conf.xmltest
- AC_TRY_RUN([
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include <libxml/xmlversion.h>
-
- int
- main()
- {
- int xml_major_version, xml_minor_version, xml_micro_version;
- int major, minor, micro;
- char *tmp_version;
-
- system("touch conf.xmltest");
-
- /* Capture xml2-config output via autoconf/configure variables */
- /* HP/UX 9 (%@#!) writes to sscanf strings */
- tmp_version = (char *)strdup("$min_xml_version");
- if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
- printf("%s, bad version string from xml2-config\n", "$min_xml_version");
- exit(1);
- }
- free(tmp_version);
-
- /* Capture the version information from the header files */
- tmp_version = (char *)strdup(LIBXML_DOTTED_VERSION);
- if (sscanf(tmp_version, "%d.%d.%d", &xml_major_version, &xml_minor_version, &xml_micro_version) != 3) {
- printf("%s, bad version string from libxml includes\n", "LIBXML_DOTTED_VERSION");
- exit(1);
- }
- free(tmp_version);
-
- /* Compare xml2-config output to the libxml headers */
- if ((xml_major_version != $xml_config_major_version) ||
- (xml_minor_version != $xml_config_minor_version) ||
- (xml_micro_version != $xml_config_micro_version))
- {
- printf("*** libxml header files (version %d.%d.%d) do not match\n",
- xml_major_version, xml_minor_version, xml_micro_version);
- printf("*** xml2-config (version %d.%d.%d)\n",
- $xml_config_major_version, $xml_config_minor_version, $xml_config_micro_version);
- return 1;
- }
- /* Compare the headers to the library to make sure we match */
- /* Less than ideal -- doesn't provide us with return value feedback,
- * only exits if there's a serious mismatch between header and library.
- */
- LIBXML_TEST_VERSION;
-
- /* Test that the library is greater than our minimum version */
- if ((xml_major_version > major) ||
- ((xml_major_version == major) && (xml_minor_version > minor)) ||
- ((xml_major_version == major) && (xml_minor_version == minor) &&
- (xml_micro_version >= micro)))
- {
- return 0;
- }
- else
- {
- printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
- xml_major_version, xml_minor_version, xml_micro_version);
- printf("*** You need a version of libxml newer than %d.%d.%d. The latest version of\n",
- major, minor, micro);
- printf("*** libxml is always available from ftp://ftp.xmlsoft.org.\n");
- printf("***\n");
- printf("*** If you have already installed a sufficiently new version, this error\n");
- printf("*** probably means that the wrong copy of the xml2-config shell script is\n");
- printf("*** being found. The easiest way to fix this is to remove the old version\n");
- printf("*** of LIBXML, but you can also set the XML2_CONFIG environment to point to the\n");
- printf("*** correct copy of xml2-config. (In this case, you will have to\n");
- printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
- printf("*** so that the correct libraries are found at run-time))\n");
- }
- return 1;
- }
- ],, no_xml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CPPFLAGS="$ac_save_CPPFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
-
- if test "x$no_xml" = x ; then
- AC_MSG_RESULT(yes (version $xml_config_major_version.$xml_config_minor_version.$xml_config_micro_version))
- ifelse([$2], , :, [$2])
- else
- AC_MSG_RESULT(no)
- if test "$XML2_CONFIG" = "no" ; then
- echo "*** The xml2-config script installed by LIBXML could not be found"
- echo "*** If libxml was installed in PREFIX, make sure PREFIX/bin is in"
- echo "*** your path, or set the XML2_CONFIG environment variable to the"
- echo "*** full path to xml2-config."
- else
- if test -f conf.xmltest ; then
- :
- else
- echo "*** Could not run libxml test program, checking why..."
- CPPFLAGS="$CPPFLAGS $XML_CPPFLAGS"
- LIBS="$LIBS $XML_LIBS"
- AC_TRY_LINK([
- #include <libxml/xmlversion.h>
- #include <stdio.h>
- ], [ LIBXML_TEST_VERSION; return 0;],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding LIBXML or finding the wrong"
- echo "*** version of LIBXML. If it is not finding LIBXML, you'll need to set your"
- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
- echo "*** to the installed location Also, make sure you have run ldconfig if that"
- echo "*** is required on your system"
- echo "***"
- echo "*** If you have an old version installed, it is best to remove it, although"
- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
- [ echo "*** The test program failed to compile or link. See the file config.log for the"
- echo "*** exact error that occured. This usually means LIBXML was incorrectly installed"
- echo "*** or that you have moved LIBXML since it was installed. In the latter case, you"
- echo "*** may want to edit the xml2-config script: $XML2_CONFIG" ])
- CPPFLAGS="$ac_save_CPPFLAGS"
- LIBS="$ac_save_LIBS"
- fi
- fi
-
- XML_CPPFLAGS=""
- XML_LIBS=""
- ifelse([$3], , :, [$3])
- fi
- AC_SUBST(XML_CPPFLAGS)
- AC_SUBST(XML_LIBS)
- rm -f conf.xmltest
- ])
-
- dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
- dnl serial 11 (pkg-config-0.29.1)
- dnl
- dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
- dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
- dnl
- dnl This program is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU General Public License as published by
- dnl the Free Software Foundation; either version 2 of the License, or
- dnl (at your option) any later version.
- dnl
- dnl This program is distributed in the hope that it will be useful, but
- dnl WITHOUT ANY WARRANTY; without even the implied warranty of
- dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- dnl General Public License for more details.
- dnl
- dnl You should have received a copy of the GNU General Public License
- dnl along with this program; if not, write to the Free Software
- dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- dnl 02111-1307, USA.
- dnl
- dnl As a special exception to the GNU General Public License, if you
- dnl distribute this file as part of a program that contains a
- dnl configuration script generated by Autoconf, you may include it under
- dnl the same distribution terms that you use for the rest of that
- dnl program.
-
- dnl PKG_PREREQ(MIN-VERSION)
- dnl -----------------------
- dnl Since: 0.29
- dnl
- dnl Verify that the version of the pkg-config macros are at least
- dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
- dnl installed version of pkg-config, this checks the developer's version
- dnl of pkg.m4 when generating configure.
- dnl
- dnl To ensure that this macro is defined, also add:
- dnl m4_ifndef([PKG_PREREQ],
- dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
- dnl
- dnl See the "Since" comment for each macro you use to see what version
- dnl of the macros you require.
- m4_defun([PKG_PREREQ],
- [m4_define([PKG_MACROS_VERSION], [0.29.1])
- m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
- [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
- ])dnl PKG_PREREQ
-
- dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
- dnl ----------------------------------
- dnl Since: 0.16
- dnl
- dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
- dnl first found in the path. Checks that the version of pkg-config found
- dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
- dnl used since that's the first version where most current features of
- dnl pkg-config existed.
- AC_DEFUN([PKG_PROG_PKG_CONFIG],
- [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
- m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
- m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
- AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
- AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
- AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
-
- if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
- AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
- fi
- if test -n "$PKG_CONFIG"; then
- _pkg_min_version=m4_default([$1], [0.9.0])
- AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
- if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- PKG_CONFIG=""
- fi
- fi[]dnl
- ])dnl PKG_PROG_PKG_CONFIG
-
- dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
- dnl -------------------------------------------------------------------
- dnl Since: 0.18
- dnl
- dnl Check to see whether a particular set of modules exists. Similar to
- dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
- dnl
- dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
- dnl only at the first occurence in configure.ac, so if the first place
- dnl it's called might be skipped (such as if it is within an "if", you
- dnl have to call PKG_CHECK_EXISTS manually
- AC_DEFUN([PKG_CHECK_EXISTS],
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- # Fortunately install-sh will honor a STRIPPROG variable, so we
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- # STRIPPROG with the value of the STRIP variable (set by the user).
- AC_DEFUN([AM_PROG_INSTALL_STRIP],
- [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
- # Installed binaries are usually stripped using 'strip' when the user
- # run "make install-strip". However 'strip' might not be the right
- # tool to use in cross-compilation environments, therefore Automake
- # will honor the 'STRIP' environment variable to overrule this program.
- dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
- if test "$cross_compiling" != no; then
- AC_CHECK_TOOL([STRIP], [strip], :)
- fi
- INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
- AC_SUBST([INSTALL_STRIP_PROGRAM])])
-
- # Copyright (C) 2006-2014 Free Software Foundation, Inc.
- #
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
-
- # _AM_SUBST_NOTMAKE(VARIABLE)
- # ---------------------------
- # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
- # This macro is traced by Automake.
- AC_DEFUN([_AM_SUBST_NOTMAKE])
-
- # AM_SUBST_NOTMAKE(VARIABLE)
- # --------------------------
- # Public sister of _AM_SUBST_NOTMAKE.
- AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
-
- # Check how to create a tarball. -*- Autoconf -*-
-
- # Copyright (C) 2004-2014 Free Software Foundation, Inc.
- #
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
-
- # _AM_PROG_TAR(FORMAT)
- # --------------------
- # Check how to create a tarball in format FORMAT.
- # FORMAT should be one of 'v7', 'ustar', or 'pax'.
- #
- # Substitute a variable $(am__tar) that is a command
- # writing to stdout a FORMAT-tarball containing the directory
- # $tardir.
- # tardir=directory && $(am__tar) > result.tar
- #
- # Substitute a variable $(am__untar) that extract such
- # a tarball read from stdin.
- # $(am__untar) < result.tar
- #
- AC_DEFUN([_AM_PROG_TAR],
- [# Always define AMTAR for backward compatibility. Yes, it's still used
- # in the wild :-( We should find a proper way to deprecate it ...
- AC_SUBST([AMTAR], ['$${TAR-tar}'])
-
- # We'll loop over all known methods to create a tar archive until one works.
- _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
-
- m4_if([$1], [v7],
- [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
-
- [m4_case([$1],
- [ustar],
- [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
- # There is notably a 21 bits limit for the UID and the GID. In fact,
- # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
- # and bug#13588).
- am_max_uid=2097151 # 2^21 - 1
- am_max_gid=$am_max_uid
- # The $UID and $GID variables are not portable, so we need to resort
- # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
- # below are definitely unexpected, so allow the users to see them
- # (that is, avoid stderr redirection).
- am_uid=`id -u || echo unknown`
- am_gid=`id -g || echo unknown`
- AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
- if test $am_uid -le $am_max_uid; then
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- _am_tools=none
- fi
- AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
- if test $am_gid -le $am_max_gid; then
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- _am_tools=none
- fi],
-
- [pax],
- [],
-
- [m4_fatal([Unknown tar format])])
-
- AC_MSG_CHECKING([how to create a $1 tar archive])
-
- # Go ahead even if we have the value already cached. We do so because we
- # need to set the values for the 'am__tar' and 'am__untar' variables.
- _am_tools=${am_cv_prog_tar_$1-$_am_tools}
-
- for _am_tool in $_am_tools; do
- case $_am_tool in
- gnutar)
- for _am_tar in tar gnutar gtar; do
- AM_RUN_LOG([$_am_tar --version]) && break
- done
- am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
- am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
- am__untar="$_am_tar -xf -"
- ;;
- plaintar)
- # Must skip GNU tar: if it does not support --format= it doesn't create
- # ustar tarball either.
- (tar --version) >/dev/null 2>&1 && continue
- am__tar='tar chf - "$$tardir"'
- am__tar_='tar chf - "$tardir"'
- am__untar='tar xf -'
- ;;
- pax)
- am__tar='pax -L -x $1 -w "$$tardir"'
- am__tar_='pax -L -x $1 -w "$tardir"'
- am__untar='pax -r'
- ;;
- cpio)
- am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
- am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
- am__untar='cpio -i -H $1 -d'
- ;;
- none)
- am__tar=false
- am__tar_=false
- am__untar=false
- ;;
- esac
-
- # If the value was cached, stop now. We just wanted to have am__tar
- # and am__untar set.
- test -n "${am_cv_prog_tar_$1}" && break
-
- # tar/untar a dummy directory, and stop if the command works.
- rm -rf conftest.dir
- mkdir conftest.dir
- echo GrepMe > conftest.dir/file
- AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
- rm -rf conftest.dir
- if test -s conftest.tar; then
- AM_RUN_LOG([$am__untar <conftest.tar])
- AM_RUN_LOG([cat conftest.dir/file])
- grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
- fi
- done
- rm -rf conftest.dir
-
- AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
- AC_MSG_RESULT([$am_cv_prog_tar_$1])])
-
- AC_SUBST([am__tar])
- AC_SUBST([am__untar])
- ]) # _AM_PROG_TAR
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