diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 667 | 
1 files changed, 667 insertions, 0 deletions
| diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..2726b2a --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,667 @@ +# generated automatically by aclocal 1.9.2 -*- Autoconf -*- + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 +# 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. + +#                                                        -*- Autoconf -*- +# Copyright (C) 2002, 2003  Free Software Foundation, Inc. +# Generated from amversion.in; do not edit by hand. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + +# AM_AUTOMAKE_VERSION(VERSION) +# ---------------------------- +# Automake X.Y traces this macro to ensure aclocal.m4 has been +# generated from the m4 files accompanying Automake X.Y. +AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"]) + +# AM_SET_CURRENT_AUTOMAKE_VERSION +# ------------------------------- +# Call AM_AUTOMAKE_VERSION so it can be traced. +# This function is AC_REQUIREd by AC_INIT_AUTOMAKE. +AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], +	 [AM_AUTOMAKE_VERSION([1.9.2])]) + +# AM_AUX_DIR_EXPAND + +# Copyright (C) 2001, 2003 Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets +# $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to +# `$srcdir', `$srcdir/..', or `$srcdir/../..'. +# +# Of course, Automake must honor this variable whenever it calls a +# tool from the auxiliary directory.  The problem is that $srcdir (and +# therefore $ac_aux_dir as well) can be either absolute or relative, +# depending on how configure is run.  This is pretty annoying, since +# it makes $ac_aux_dir quite unusable in subdirectories: in the top +# source directory, any form will work fine, but in subdirectories a +# relative path needs to be adjusted first. +# +# $ac_aux_dir/missing +#    fails when called from a subdirectory if $ac_aux_dir is relative +# $top_srcdir/$ac_aux_dir/missing +#    fails if $ac_aux_dir is absolute, +#    fails when called from a subdirectory in a VPATH build with +#          a relative $ac_aux_dir +# +# The reason of the latter failure is that $top_srcdir and $ac_aux_dir +# are both prefixed by $srcdir.  In an in-source build this is usually +# harmless because $srcdir is `.', but things will broke when you +# start a VPATH build or use an absolute $srcdir. +# +# So we could use something similar to $top_srcdir/$ac_aux_dir/missing, +# iff we strip the leading $srcdir from $ac_aux_dir.  That would be: +#   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"` +# and then we would define $MISSING as +#   MISSING="\${SHELL} $am_aux_dir/missing" +# This will work as long as MISSING is not called from configure, because +# unfortunately $(top_srcdir) has no meaning in configure. +# However there are other variables, like CC, which are often used in +# configure, and could therefore not use this "fixed" $ac_aux_dir. +# +# Another solution, used here, is to always expand $ac_aux_dir to an +# absolute PATH.  The drawback is that using absolute paths prevent a +# configured tree to be moved without reconfiguration. + +AC_DEFUN([AM_AUX_DIR_EXPAND], +[dnl Rely on autoconf to set up CDPATH properly. +AC_PREREQ([2.50])dnl +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` +]) + +# Do all the work for Automake.                            -*- Autoconf -*- + +# This macro actually does too much some checks are only needed if +# your package does certain things.  But this isn't really a big deal. + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 +# Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 11 + +# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE]) +# AM_INIT_AUTOMAKE([OPTIONS]) +# ----------------------------------------------- +# The call with PACKAGE and VERSION arguments is the old style +# call (pre autoconf-2.50), which is being phased out.  PACKAGE +# and VERSION should now be passed to AC_INIT and removed from +# the call to AM_INIT_AUTOMAKE. +# We support both call styles for the transition.  After +# the next Automake release, Autoconf can make the AC_INIT +# arguments mandatory, and then we can depend on a new Autoconf +# release and drop the old call support. +AC_DEFUN([AM_INIT_AUTOMAKE], +[AC_PREREQ([2.58])dnl +dnl Autoconf wants to disallow AM_ names.  We explicitly allow +dnl the ones we care about. +m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl +AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl +AC_REQUIRE([AC_PROG_INSTALL])dnl +# test to see if srcdir already configured +if test "`cd $srcdir && pwd`" != "`pwd`" && +   test -f $srcdir/config.status; then +  AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then +  if (cygpath --version) >/dev/null 2>/dev/null; then +    CYGPATH_W='cygpath -w' +  else +    CYGPATH_W=echo +  fi +fi +AC_SUBST([CYGPATH_W]) + +# Define the identity of the package. +dnl Distinguish between old-style and new-style calls. +m4_ifval([$2], +[m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl + AC_SUBST([PACKAGE], [$1])dnl + AC_SUBST([VERSION], [$2])], +[_AM_SET_OPTIONS([$1])dnl + AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl + AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl + +_AM_IF_OPTION([no-define],, +[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) + AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl + +# Some tools Automake needs. +AC_REQUIRE([AM_SANITY_CHECK])dnl +AC_REQUIRE([AC_ARG_PROGRAM])dnl +AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version}) +AM_MISSING_PROG(AUTOCONF, autoconf) +AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version}) +AM_MISSING_PROG(AUTOHEADER, autoheader) +AM_MISSING_PROG(MAKEINFO, makeinfo) +AM_PROG_INSTALL_SH +AM_PROG_INSTALL_STRIP +AC_REQUIRE([AM_PROG_MKDIR_P])dnl +# We need awk for the "check" target.  The system "awk" is bad on +# some platforms. +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([AC_PROG_MAKE_SET])dnl +AC_REQUIRE([AM_SET_LEADING_DOT])dnl +_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])], +              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])], +	      		     [_AM_PROG_TAR([v7])])]) +_AM_IF_OPTION([no-dependencies],, +[AC_PROVIDE_IFELSE([AC_PROG_CC], +                  [_AM_DEPENDENCIES(CC)], +                  [define([AC_PROG_CC], +                          defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl +AC_PROVIDE_IFELSE([AC_PROG_CXX], +                  [_AM_DEPENDENCIES(CXX)], +                  [define([AC_PROG_CXX], +                          defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl +]) +]) + + +# When config.status generates a header, we must update the stamp-h file. +# This file resides in the same directory as the config header +# that is generated.  The stamp files are numbered to have different names. + +# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the +# loop where config.status creates the headers, so we can generate +# our stamp files there. +AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], +[# Compute $1's index in $config_headers. +_am_stamp_count=1 +for _am_header in $config_headers :; do +  case $_am_header in +    $1 | $1:* ) +      break ;; +    * ) +      _am_stamp_count=`expr $_am_stamp_count + 1` ;; +  esac +done +echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count]) + +# AM_PROG_INSTALL_SH +# ------------------ +# Define $install_sh. + +# Copyright (C) 2001, 2003 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +AC_DEFUN([AM_PROG_INSTALL_SH], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +install_sh=${install_sh-"$am_aux_dir/install-sh"} +AC_SUBST(install_sh)]) + +#                                                          -*- Autoconf -*- +# Copyright (C) 2003  Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 1 + +# Check whether the underlying file-system supports filenames +# with a leading dot.  For instance MS-DOS doesn't. +AC_DEFUN([AM_SET_LEADING_DOT], +[rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then +  am__leading_dot=. +else +  am__leading_dot=_ +fi +rmdir .tst 2>/dev/null +AC_SUBST([am__leading_dot])]) + +#  -*- Autoconf -*- + + +# Copyright (C) 1997, 1999, 2000, 2001, 2003 Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 3 + +# AM_MISSING_PROG(NAME, PROGRAM) +# ------------------------------ +AC_DEFUN([AM_MISSING_PROG], +[AC_REQUIRE([AM_MISSING_HAS_RUN]) +$1=${$1-"${am_missing_run}$2"} +AC_SUBST($1)]) + + +# AM_MISSING_HAS_RUN +# ------------------ +# Define MISSING if not defined so far and test if it supports --run. +# If it does, set am_missing_run to use it, otherwise, to nothing. +AC_DEFUN([AM_MISSING_HAS_RUN], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing" +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then +  am_missing_run="$MISSING --run " +else +  am_missing_run= +  AC_MSG_WARN([`missing' script is too old or missing]) +fi +]) + +# AM_PROG_MKDIR_P +# --------------- +# Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise. + +# Copyright (C) 2003, 2004 Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories +# created by `make install' are always world readable, even if the +# installer happens to have an overly restrictive umask (e.g. 077). +# This was a mistake.  There are at least two reasons why we must not +# use `-m 0755': +#   - it causes special bits like SGID to be ignored, +#   - it may be too restrictive (some setups expect 775 directories). +# +# Do not use -m 0755 and let people choose whatever they expect by +# setting umask. +# +# We cannot accept any implementation of `mkdir' that recognizes `-p'. +# Some implementations (such as Solaris 8's) are not thread-safe: if a +# parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c' +# concurrently, both version can detect that a/ is missing, but only +# one can create it and the other will error out.  Consequently we +# restrict ourselves to GNU make (using the --version option ensures +# this.) +AC_DEFUN([AM_PROG_MKDIR_P], +[if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then +  # We used to keeping the `.' as first argument, in order to +  # allow $(mkdir_p) to be used without argument.  As in +  #   $(mkdir_p) $(somedir) +  # where $(somedir) is conditionally defined.  However this is wrong +  # for two reasons: +  #  1. if the package is installed by a user who cannot write `.' +  #     make install will fail, +  #  2. the above comment should most certainly read +  #     $(mkdir_p) $(DESTDIR)$(somedir) +  #     so it does not work when $(somedir) is undefined and +  #     $(DESTDIR) is not. +  #  To support the latter case, we have to write +  #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir), +  #  so the `.' trick is pointless. +  mkdir_p='mkdir -p --' +else +  # On NextStep and OpenStep, the `mkdir' command does not +  # recognize any option.  It will interpret all options as +  # directories to create, and then abort because `.' already +  # exists. +  for d in ./-p ./--version; +  do +    test -d $d && rmdir $d +  done +  # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. +  if test -f "$ac_aux_dir/mkinstalldirs"; then +    mkdir_p='$(mkinstalldirs)' +  else +    mkdir_p='$(install_sh) -d' +  fi +fi +AC_SUBST([mkdir_p])]) + +# Helper functions for option handling.                    -*- Autoconf -*- + +# Copyright (C) 2001, 2002, 2003  Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 2 + +# _AM_MANGLE_OPTION(NAME) +# ----------------------- +AC_DEFUN([_AM_MANGLE_OPTION], +[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) + +# _AM_SET_OPTION(NAME) +# ------------------------------ +# Set option NAME.  Presently that only means defining a flag for this option. +AC_DEFUN([_AM_SET_OPTION], +[m4_define(_AM_MANGLE_OPTION([$1]), 1)]) + +# _AM_SET_OPTIONS(OPTIONS) +# ---------------------------------- +# OPTIONS is a space-separated list of Automake options. +AC_DEFUN([_AM_SET_OPTIONS], +[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) + +# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) +# ------------------------------------------- +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +AC_DEFUN([_AM_IF_OPTION], +[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) + +# +# Check to make sure that the build environment is sane. +# + +# Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 3 + +# AM_SANITY_CHECK +# --------------- +AC_DEFUN([AM_SANITY_CHECK], +[AC_MSG_CHECKING([whether build environment is sane]) +# Just in case +sleep 1 +echo timestamp > conftest.file +# Do `set' in a subshell so we don't clobber the current shell's +# arguments.  Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( +   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` +   if test "$[*]" = "X"; then +      # -L didn't work. +      set X `ls -t $srcdir/configure conftest.file` +   fi +   rm -f conftest.file +   if test "$[*]" != "X $srcdir/configure conftest.file" \ +      && test "$[*]" != "X conftest.file $srcdir/configure"; then + +      # If neither matched, then we have a broken ls.  This can happen +      # if, for instance, CONFIG_SHELL is bash and it inherits a +      # broken ls alias from the environment.  This has actually +      # happened.  Such a system could not be considered "sane". +      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken +alias in your environment]) +   fi + +   test "$[2]" = conftest.file +   ) +then +   # Ok. +   : +else +   AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +AC_MSG_RESULT(yes)]) + +# AM_PROG_INSTALL_STRIP + +# Copyright (C) 2001, 2003 Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# One issue with vendor `install' (even GNU) is that you can't +# specify the program used to strip binaries.  This is especially +# annoying in cross-compiling environments, where the build's strip +# is unlikely to handle the host's binaries. +# Fortunately install-sh will honor a STRIPPROG variable, so we +# always use install-sh in `make install-strip', and initialize +# 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="\${SHELL} \$(install_sh) -c -s" +AC_SUBST([INSTALL_STRIP_PROGRAM])]) + +# Check how to create a tarball.                            -*- Autoconf -*- + +# Copyright (C) 2004  Free Software Foundation, Inc. + +# 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 2, 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +# 02111-1307, USA. + +# serial 1 + + +# _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. +AM_MISSING_PROG([AMTAR], [tar]) +m4_if([$1], [v7], +     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], +     [m4_case([$1], [ustar],, [pax],, +              [m4_fatal([Unknown tar format])]) +AC_MSG_CHECKING([how to create a $1 tar archive]) +# Loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' +_am_tools=${am_cv_prog_tar_$1-$_am_tools} +# Do not fold the above two line into one, because Tru64 sh and +# Solaris sh will not grok spaces in the rhs of `-'. +for _am_tool in $_am_tools +do +  case $_am_tool in +  gnutar) +    for _am_tar in tar gnutar gtar; +    do +      AM_RUN_LOG([$_am_tar --version]) && break +    done +    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$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]) +    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 + | 
