# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-

#

#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,

#                 2006, 2007, 2008 Free Software Foundation, Inc.

#   Written by Gordon Matzigkeit, 1996

#

# 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.

m4_define([_LT_COPYING], [dnl

#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,

#                 2006, 2007, 2008 Free Software Foundation, Inc.

#   Written by Gordon Matzigkeit, 1996

#

#   This file is part of GNU Libtool.

#

# GNU Libtool 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 of

# the License, or (at your option) any later version.

#

# As a special exception to the GNU General Public License,

# if you distribute this file as part of a program or library that

# is built using GNU Libtool, you may include this file under the

# same distribution terms that you use for the rest of that program.

#

# GNU Libtool 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 GNU Libtool; see the file COPYING.  If not, a copy

# can be downloaded from http://www.gnu.org/licenses/gpl.html, or

# obtained by writing to the Free Software Foundation, Inc.,

# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

])

# serial 56 LT_INIT

# LT_PREREQ(VERSION)

# ------------------

# Complain and exit if this libtool version is less that VERSION.

m4_defun([LT_PREREQ],

[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1,

       [m4_default([$3],

		   [m4_fatal([Libtool version $1 or higher is required],

		             63)])],

       [$2])])

# _LT_CHECK_BUILDDIR

# ------------------

# Complain if the absolute build directory name contains unusual characters

m4_defun([_LT_CHECK_BUILDDIR],

[case `pwd` in

  *\ * | *\	*)

    AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;;

esac

])

# LT_INIT([OPTIONS])

# ------------------

AC_DEFUN([LT_INIT],

[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT

AC_BEFORE([$0], [LT_LANG])dnl

AC_BEFORE([$0], [LT_OUTPUT])dnl

AC_BEFORE([$0], [LTDL_INIT])dnl

m4_require([_LT_CHECK_BUILDDIR])dnl

dnl Autoconf doesn't catch unexpanded LT_ macros by default:

m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl

m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl

dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4

dnl unless we require an AC_DEFUNed macro:

AC_REQUIRE([LTOPTIONS_VERSION])dnl

AC_REQUIRE([LTSUGAR_VERSION])dnl

AC_REQUIRE([LTVERSION_VERSION])dnl

AC_REQUIRE([LTOBSOLETE_VERSION])dnl

m4_require([_LT_PROG_LTMAIN])dnl

dnl Parse OPTIONS

_LT_SET_OPTIONS([$0], [$1])

# This can be used to rebuild libtool when needed

LIBTOOL_DEPS="$ltmain"

# Always use our own libtool.

LIBTOOL='$(SHELL) $(top_builddir)/libtool'

AC_SUBST(LIBTOOL)dnl

_LT_SETUP

# Only expand once:

m4_define([LT_INIT])

])# LT_INIT

# Old names:

AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])

AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])

dnl aclocal-1.4 backwards compatibility:

dnl AC_DEFUN([AC_PROG_LIBTOOL], [])

dnl AC_DEFUN([AM_PROG_LIBTOOL], [])

# _LT_CC_BASENAME(CC)

# -------------------

# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.

m4_defun([_LT_CC_BASENAME],

[for cc_temp in $1""; do

  case $cc_temp in

    compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;;

    distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;;

    \-*) ;;

    *) break;;

  esac

done

cc_basename=`$ECHO "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`

])

# _LT_FILEUTILS_DEFAULTS

# ----------------------

# It is okay to use these file commands and assume they have been set

# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'.

m4_defun([_LT_FILEUTILS_DEFAULTS],

[: ${CP="cp -f"}

: ${MV="mv -f"}

: ${RM="rm -f"}

])# _LT_FILEUTILS_DEFAULTS

# _LT_SETUP

# ---------

m4_defun([_LT_SETUP],

[AC_REQUIRE([AC_CANONICAL_HOST])dnl

AC_REQUIRE([AC_CANONICAL_BUILD])dnl

_LT_DECL([], [host_alias], [0], [The host system])dnl

_LT_DECL([], [host], [0])dnl

_LT_DECL([], [host_os], [0])dnl

dnl

_LT_DECL([], [build_alias], [0], [The build system])dnl

_LT_DECL([], [build], [0])dnl

_LT_DECL([], [build_os], [0])dnl

dnl

AC_REQUIRE([AC_PROG_CC])dnl

AC_REQUIRE([LT_PATH_LD])dnl

AC_REQUIRE([LT_PATH_NM])dnl

dnl

AC_REQUIRE([AC_PROG_LN_S])dnl

test -z "$LN_S" && LN_S="ln -s"

_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl

dnl

AC_REQUIRE([LT_CMD_MAX_LEN])dnl

_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl

_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl

dnl

m4_require([_LT_FILEUTILS_DEFAULTS])dnl

m4_require([_LT_CHECK_SHELL_FEATURES])dnl

m4_require([_LT_CMD_RELOAD])dnl

m4_require([_LT_CHECK_MAGIC_METHOD])dnl

m4_require([_LT_CMD_OLD_ARCHIVE])dnl

m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl

_LT_CONFIG_LIBTOOL_INIT([

# See if we are running on zsh, and set the options which allow our

# commands through without removal of \ escapes INIT.

if test -n "\${ZSH_VERSION+set}" ; then

   setopt NO_GLOB_SUBST

fi

])

if test -n "${ZSH_VERSION+set}" ; then

   setopt NO_GLOB_SUBST

fi

_LT_CHECK_OBJDIR

m4_require([_LT_TAG_COMPILER])dnl

_LT_PROG_ECHO_BACKSLASH

case $host_os in

aix3*)

  # AIX sometimes has problems with the GCC collect2 program.  For some

  # reason, if we set the COLLECT_NAMES environment variable, the problems

  # vanish in a puff of smoke.

  if test "X${COLLECT_NAMES+set}" != Xset; then

    COLLECT_NAMES=

    export COLLECT_NAMES

  fi

  ;;

esac

# Sed substitution that helps us do robust quoting.  It backslashifies

# metacharacters that are still active within double-quoted strings.

sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'

# Same as above, but do not quote variable references.

double_quote_subst='s/\([["`\\]]\)/\\\1/g'

# Sed substitution to delay expansion of an escaped shell variable in a

# double_quote_subst'ed string.

delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'

# Sed substitution to delay expansion of an escaped single quote.

delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'

# Sed substitution to avoid accidental globbing in evaled expressions

no_glob_subst='s/\*/\\\*/g'

# Global variables:

ofile=libtool

can_build_shared=yes

# All known linkers require a `.a' archive for static linking (except MSVC,

# which needs '.lib').

libext=a

with_gnu_ld="$lt_cv_prog_gnu_ld"

old_CC="$CC"

old_CFLAGS="$CFLAGS"

# Set sane defaults for various variables

test -z "$CC" && CC=cc

test -z "$LTCC" && LTCC=$CC

test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS

test -z "$LD" && LD=ld

test -z "$ac_objext" && ac_objext=o

_LT_CC_BASENAME([$compiler])

# Only perform the check for file, if the check method requires it

test -z "$MAGIC_CMD" && MAGIC_CMD=file

case $deplibs_check_method in

file_magic*)

  if test "$file_magic_cmd" = '$MAGIC_CMD'; then

    _LT_PATH_MAGIC

  fi

  ;;

esac

# Use C for the default configuration in the libtool script

LT_SUPPORTED_TAG([CC])

_LT_LANG_C_CONFIG

_LT_LANG_DEFAULT_CONFIG

_LT_CONFIG_COMMANDS

])# _LT_SETUP

# _LT_PROG_LTMAIN

# ---------------

# Note that this code is called both from `configure', and `config.status'

# now that we use AC_CONFIG_COMMANDS to generate libtool.  Notably,

# `config.status' has no value for ac_aux_dir unless we are using Automake,

# so we pass a copy along to make sure it has a sensible value anyway.

m4_defun([_LT_PROG_LTMAIN],

[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl

_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])

ltmain="$ac_aux_dir/ltmain.sh"

])# _LT_PROG_LTMAIN

## ------------------------------------- ##

## Accumulate code for creating libtool. ##

## ------------------------------------- ##

# So that we can recreate a full libtool script including additional

# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS

# in macros and then make a single call at the end using the `libtool'

# label.

# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])

# ----------------------------------------

# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.

m4_define([_LT_CONFIG_LIBTOOL_INIT],

[m4_ifval([$1],

          [m4_append([_LT_OUTPUT_LIBTOOL_INIT],

                     [$1

])])])

# Initialize.

m4_define([_LT_OUTPUT_LIBTOOL_INIT])

# _LT_CONFIG_LIBTOOL([COMMANDS])

# ------------------------------

# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.

m4_define([_LT_CONFIG_LIBTOOL],

[m4_ifval([$1],

          [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],

                     [$1

])])])

# Initialize.

m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])

# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])

# -----------------------------------------------------

m4_defun([_LT_CONFIG_SAVE_COMMANDS],

[_LT_CONFIG_LIBTOOL([$1])

_LT_CONFIG_LIBTOOL_INIT([$2])

])

# _LT_FORMAT_COMMENT([COMMENT])

# -----------------------------

# Add leading comment marks to the start of each line, and a trailing

# full-stop to the whole comment if one is not present already.

m4_define([_LT_FORMAT_COMMENT],

[m4_ifval([$1], [

m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],

              [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])

)])

## ------------------------ ##

## FIXME: Eliminate VARNAME ##

## ------------------------ ##

# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])

# -------------------------------------------------------------------

# CONFIGNAME is the name given to the value in the libtool script.

# VARNAME is the (base) name used in the configure script.

# VALUE may be 0, 1 or 2 for a computed quote escaped value based on

# VARNAME.  Any other value will be used directly.

m4_define([_LT_DECL],

[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],

    [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],

	[m4_ifval([$1], [$1], [$2])])

    lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])

    m4_ifval([$4],

	[lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])

    lt_dict_add_subkey([lt_decl_dict], [$2],

	[tagged?], [m4_ifval([$5], [yes], [no])])])

])

# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])

# --------------------------------------------------------

m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])

# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])

# ------------------------------------------------

m4_define([lt_decl_tag_varnames],

[_lt_decl_filter([tagged?], [yes], $@)])

# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])

# ---------------------------------------------------------

m4_define([_lt_decl_filter],

[m4_case([$#],

  [0], [m4_fatal([$0: too few arguments: $#])],

  [1], [m4_fatal([$0: too few arguments: $#: $1])],

  [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],

  [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],

  [lt_dict_filter([lt_decl_dict], $@)])[]dnl

])

# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])

# --------------------------------------------------

m4_define([lt_decl_quote_varnames],

[_lt_decl_filter([value], [1], $@)])

# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])

# ---------------------------------------------------

m4_define([lt_decl_dquote_varnames],

[_lt_decl_filter([value], [2], $@)])

# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])

# ---------------------------------------------------

m4_define([lt_decl_varnames_tagged],

[m4_assert([$# <= 2])dnl

_$0(m4_quote(m4_default([$1], [[, ]])),

    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),

    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])

m4_define([_lt_decl_varnames_tagged],

[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])

# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])

# ------------------------------------------------

m4_define([lt_decl_all_varnames],

[_$0(m4_quote(m4_default([$1], [[, ]])),

     m4_if([$2], [],

	   m4_quote(lt_decl_varnames),

	m4_quote(m4_shift($@))))[]dnl

])

m4_define([_lt_decl_all_varnames],

[lt_join($@, lt_decl_varnames_tagged([$1],

			lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl

])

# _LT_CONFIG_STATUS_DECLARE([VARNAME])

# ------------------------------------

# Quote a variable value, and forward it to `config.status' so that its

# declaration there will have the same value as in `configure'.  VARNAME

# must have a single quote delimited value for this to work.

m4_define([_LT_CONFIG_STATUS_DECLARE],

[$1='`$ECHO "X$][$1" | $Xsed -e "$delay_single_quote_subst"`'])

# _LT_CONFIG_STATUS_DECLARATIONS

# ------------------------------

# We delimit libtool config variables with single quotes, so when

# we write them to config.status, we have to be sure to quote all

# embedded single quotes properly.  In configure, this macro expands

# each variable declared with _LT_DECL (and _LT_TAGDECL) into:

#

#    <var>='`$ECHO "X$<var>" | $Xsed -e "$delay_single_quote_subst"`'

m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],

[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),

    [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])

# _LT_LIBTOOL_TAGS

# ----------------

# Output comment and list of tags supported by the script

m4_defun([_LT_LIBTOOL_TAGS],

[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl

available_tags="_LT_TAGS"dnl

])

# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])

# -----------------------------------

# Extract the dictionary values for VARNAME (optionally with TAG) and

# expand to a commented shell variable setting:

#

#    # Some comment about what VAR is for.

#    visible_name=$lt_internal_name

m4_define([_LT_LIBTOOL_DECLARE],

[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],

					   [description])))[]dnl

m4_pushdef([_libtool_name],

    m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl

m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),

    [0], [_libtool_name=[$]$1],

    [1], [_libtool_name=$lt_[]$1],

    [2], [_libtool_name=$lt_[]$1],

    [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl

m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl

])

# _LT_LIBTOOL_CONFIG_VARS

# -----------------------

# Produce commented declarations of non-tagged libtool config variables

# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'

# script.  Tagged libtool config variables (even for the LIBTOOL CONFIG

# section) are produced by _LT_LIBTOOL_TAG_VARS.

m4_defun([_LT_LIBTOOL_CONFIG_VARS],

[m4_foreach([_lt_var],

    m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),

    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])

# _LT_LIBTOOL_TAG_VARS(TAG)

# -------------------------

m4_define([_LT_LIBTOOL_TAG_VARS],

[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),

    [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])

# _LT_TAGVAR(VARNAME, [TAGNAME])

# ------------------------------

m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])

# _LT_CONFIG_COMMANDS

# -------------------

# Send accumulated output to $CONFIG_STATUS.  Thanks to the lists of

# variables for single and double quote escaping we saved from calls

# to _LT_DECL, we can put quote escaped variables declarations

# into `config.status', and then the shell code to quote escape them in

# for loops in `config.status'.  Finally, any additional code accumulated

# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.

m4_defun([_LT_CONFIG_COMMANDS],

[AC_PROVIDE_IFELSE([LT_OUTPUT],

	dnl If the libtool generation code has been placed in $CONFIG_LT,

	dnl instead of duplicating it all over again into config.status,

	dnl then we will have config.status run $CONFIG_LT later, so it

	dnl needs to know what name is stored there:

        [AC_CONFIG_COMMANDS([libtool],

            [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],

    dnl If the libtool generation code is destined for config.status,

    dnl expand the accumulated commands and init code now:

    [AC_CONFIG_COMMANDS([libtool],

        [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])

])#_LT_CONFIG_COMMANDS

# Initialize.

m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],

[

# The HP-UX ksh and POSIX shell print the target directory to stdout

# if CDPATH is set.

(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

sed_quote_subst='$sed_quote_subst'

double_quote_subst='$double_quote_subst'

delay_variable_subst='$delay_variable_subst'

_LT_CONFIG_STATUS_DECLARATIONS

LTCC='$LTCC'

LTCFLAGS='$LTCFLAGS'

compiler='$compiler_DEFAULT'

# Quote evaled strings.

for var in lt_decl_all_varnames([[ \

]], lt_decl_quote_varnames); do

    case \`eval \\\\\$ECHO "X\\\\\$\$var"\` in

    *[[\\\\\\\`\\"\\\$]]*)

      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"X\\\$\$var\\" | \\\$Xsed -e \\"\\\$sed_quote_subst\\"\\\`\\\\\\""

      ;;

    *)

      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""

      ;;