Blame m4/slibtool.m4

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###############################################################################
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#                                                                             #
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#   slibtool.m4: native slibtool integration for autoconf-based projects      #
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#                                                                             #
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#   Copyright (C) 2021  Z. Gilboa                                             #
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#                                                                             #
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#   Permission is hereby granted, free of charge, to any person obtaining     #
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#   a copy of this software and associated documentation files (the           #
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#   "Software"), to deal in the Software without restriction, including       #
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#   without limitation the rights to use, copy, modify, merge, publish,       #
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#   distribute, sublicense, and/or sell copies of the Software, and to        #
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#   permit persons to whom the Software is furnished to do so, subject to     #
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#   the following conditions:                                                 #
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#                                                                             #
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#   The above copyright notice and this permission notice shall be included   #
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#   in all copies or substantial portions of the Software.                    #
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#                                                                             #
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#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS   #
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#   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF                #
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#   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.    #
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#   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY      #
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#   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,      #
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#   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE         #
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#   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                    #
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#                                                                             #
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###############################################################################
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# _SLIBTOOL_DEFAULTS
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# ------------------
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AC_DEFUN([_SLIBTOOL_DEFAULTS],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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AC_BEFORE([$0],[_SLIBTOOL_ARGUMENT_HANDLING])
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# slibtool: implementation defaults
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# ---------------------------------
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slibtool_enable_shared_default='yes'
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slibtool_enable_static_default='yes'
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slibtool_enable_dlopen_default='yes'
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slibtool_enable_win32_dll_default='yes'
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slibtool_enable_fast_install_default='yes'
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slibtool_pic_mode_default='default'
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slibtool_sysroot_default=
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])
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# _SLIBTOOL_ARGUMENT_HANDLING
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# ---------------------------
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AC_DEFUN([_SLIBTOOL_ARGUMENT_HANDLING],[
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AC_BEFORE([$0],[_SLIBTOOL_ARG_ENABLE])
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AC_BEFORE([$0],[_SLIBTOOL_ARG_WITH])
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# slibtool: argument handling
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# ---------------------------
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slibtool_arg_enable()
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{
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	case "${enableval}" in
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		'yes')
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			slbt_eval_expr="${slbt_var}='yes'"
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			eval $slbt_eval_expr
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			;;
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		'no')
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			slbt_eval_expr="${slbt_var}='no'"
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			eval $slbt_eval_expr
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			;;
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		*)
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			slbt_package="${PACKAGE:-default}"
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			slbt_eval_expr="${slbt_var}='no'"
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			eval $slbt_eval_expr
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			slbt_cfg_ifs="${IFS}"
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			IFS="${PATH_SEPARATOR}${IFS}"
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			for slbt_pkg in ${enableval}; do
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				if [[ "_${slbt_pkg}" = "_${slbt_package}" ]]; then
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					slbt_eval_expr="${slbt_var}='yes'"
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					eval $slbt_eval_expr
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				fi
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			done
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			IFS="${slbt_cfg_ifs}"
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			unset slbt_cfg_ifs
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			;;
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	esac
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}
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slibtool_arg_with()
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{
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	case "${slbt_var}" in
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		'slibtool_sysroot')
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			case "${withval}" in
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				'yes')
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					slbt_eval_expr="${slbt_var}='yes'"
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					eval $slbt_eval_expr
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					;;
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				'no')
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					slbt_eval_expr="${slbt_var}='no'"
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					eval $slbt_eval_expr
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					;;
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				*)
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					slbt_eval_expr="${slbt_var}=${withval}"
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					eval $slbt_eval_expr
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					;;
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			esac
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			;;
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		*)
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			enableval="${withval}"
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			slibtool_arg_enable
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			;;
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	esac
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}
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])
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# _SLIBTOOL_ARG_ENABLE(_feature_,_help_string_,_var_)
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# ---------------------------------------------------
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AC_DEFUN([_SLIBTOOL_ARG_ENABLE],[
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AC_ARG_ENABLE($1,
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[AS_HELP_STRING([--enable-]$1[@<:@=PKGS@:>@],$2  @<:@default=[$]$3_default@:>@)],[
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  slbt_var=$3
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  slibtool_arg_enable],[dnl
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$3=[$]$3_default])
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])
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# _SLIBTOOL_ARG_WITH(_feature_,_help_string_,_var_)
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# -------------------------------------------------
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AC_DEFUN([_SLIBTOOL_ARG_WITH],[
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AC_ARG_WITH($1,
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[AS_HELP_STRING([--with-]$1[@<:@=PKGS@:>@],$2  @<:@default=[$]$3_default@:>@)],[
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  slbt_var=$3
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  slibtool_arg_with],[dnl
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$3=[$]$3_default])
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])
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# _SLIBTOOL_SET_FLAVOR
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# --------------------
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AC_DEFUN([_SLIBTOOL_SET_FLAVOR],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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# slibtool: set SLIBTOOL to the default/package-default/user-requested flavor
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# ---------------------------------------------------------------------------
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slibtool_set_flavor()
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{
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	case "_${slibtool_enable_shared}_${slibtool_enable_static}" in
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		'_yes_yes')
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			SLIBTOOL='dlibtool'
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			;;
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		'_yes_no')
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			SLIBTOOL='dlibtool-shared'
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			;;
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		'_no_yes')
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			SLIBTOOL='dlibtool-static'
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			;;
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		'_no_no')
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			SLIBTOOL='false'
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			;;
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		*)
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			SLIBTOOL='false'
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			slibtool_enable_shared='no'
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			slibtool_enable_static='no'
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			;;
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	esac
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	case "_${slibtool_sysroot}" in
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		'_')
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			;;
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		'_yes'|'_no')
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			slibtool_err_arg=[$with_sysroot]
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			slibtool_err_msg='slibtool: the command-line --sysroot argument is always respected.'
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			AC_MSG_RESULT([slibtool: --with-sysroot=$slibtool_err_arg])
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			AC_MSG_ERROR([$slibtool_err_msg])
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			;;
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		_/*)
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			SLIBTOOL_SYSROOT="--sysroot=${slibtool_sysroot}"
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			SLIBTOOL="${SLIBTOOL} \$(SLIBTOOL_SYSROOT)"
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			;;
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		*)
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			slibtool_err_arg=[$with_sysroot]
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			slibtool_err_msg='slibtool: relative sysroot paths are not supported.'
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			AC_MSG_RESULT([slibtool: --with-sysroot=$slibtool_err_arg])
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			AC_MSG_ERROR([$slibtool_err_msg])
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			;;
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	esac
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	# drop-in replacement
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	enable_shared=${slibtool_enable_shared}
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	enable_static=${slibtool_enable_static}
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	enable_dlopen=${slibtool_enable_dlopen}
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	enable_win32_dll=${slibtool_enable_win32_dll}
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	enable_fast_install=${slibtool_enable_fast_install}
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	pic_mode=${slibtool_pic_mode}
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	# backward-compatible heuristics support
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	printf "%s\n%s=%s\n%s=%s\n" \
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		'#!/dev/null'        \
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		'build_libtool_libs' "${slibtool_enable_shared}" \
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		'build_old_libs'     "${slibtool_enable_static}"  \
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		> libtool
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}
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])
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# SLIBTOOL_ENABLE_SHARED
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# ----------------------
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AC_DEFUN([SLIBTOOL_ENABLE_SHARED],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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# slibtool: SLIBTOOL_ENABLE_SHARED
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# --------------------------------
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slibtool_options="${slibtool_options:-}"
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slibtool_options="${slibtool_options} shared"
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])
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# SLIBTOOL_ENABLE_STATIC
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# ----------------------
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AC_DEFUN([SLIBTOOL_ENABLE_STATIC],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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# slibtool: SLIBTOOL_ENABLE_STATIC
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# --------------------------------
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slibtool_options="${slibtool_options:-}"
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slibtool_options="${slibtool_options} static"
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])
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# SLIBTOOL_DISABLE_SHARED
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# -----------------------
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AC_DEFUN([SLIBTOOL_DISABLE_SHARED],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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# slibtool: SLIBTOOL_DISABLE_SHARED
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# ---------------------------------
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slibtool_options="${slibtool_options:-}"
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slibtool_options="${slibtool_options} disable-shared"
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])
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# SLIBTOOL_DISABLE_STATIC
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# -----------------------
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AC_DEFUN([SLIBTOOL_DISABLE_STATIC],[
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AC_BEFORE([$0],[SLIBTOOL_INIT])
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# slibtool: SLIBTOOL_DISABLE_STATIC
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# ---------------------------------
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slibtool_options="${slibtool_options:-}"
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slibtool_options="${slibtool_options} disable-static"
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])
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# SLIBTOOL_PROG_NM
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# ----------------
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AC_DEFUN([SLIBTOOL_PROG_NM],[
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# slibtool: SLIBTOOL_PROG_NM
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# --------------------------
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if [[ -z "${NM:-}" ]]; then
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	NM="${RANLIB%ranlib}nm"
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fi
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AC_SUBST([NM])
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])
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# SLIBTOOL_INIT(_options_)
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# ------------------------
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AC_DEFUN([SLIBTOOL_INIT],[
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AC_BEFORE([SLIBTOOL_LANG])
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AC_REQUIRE([SLIBTOOL_PREREQ])
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AC_REQUIRE([_SLIBTOOL_DEFAULTS])
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AC_REQUIRE([_SLIBTOOL_SET_FLAVOR])
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AC_REQUIRE([_SLIBTOOL_ARGUMENT_HANDLING])
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# slibtool: package defaults
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# ---------------------
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slbt_cfg_ifs="${IFS}"
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IFS="${PATH_SEPARATOR}${IFS}"
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for slbt_opt in $@ ${slibtool_options:-}; do
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	case "${slbt_opt}" in
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		'shared')
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			slibtool_enable_shared_default='yes'
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			;;
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		'disable-shared')
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			slibtool_enable_shared_default='no'
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			;;
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		'static')
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			slibtool_enable_static_default='yes'
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			;;
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		'disable-static')
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			slibtool_enable_static_default='no'
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			;;
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		'dlopen')
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			slibtool_enable_dlopen_default='yes'
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			;;
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		'disable-dlopen')
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			slibtool_enable_dlopen_default='no'
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			;;
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		'win32-dll')
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			slibtool_enable_win32_dll_default='yes'
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			;;
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		'disable-win32-dll')
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			slibtool_enable_win32_dll_default='no'
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			;;
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		'fast-install')
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			slibtool_enable_fast_install_default='yes'
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			;;
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		'disable-fast-install')
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			slibtool_enable_fast_install_default='no'
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			;;
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		'pic-only')
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			slibtool_pic_mode_default='yes'
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			;;
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		'no-pic')
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			slibtool_pic_mode_default='no'
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			;;
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	esac
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done
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IFS="${slbt_cfg_ifs}"
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unset slbt_cfg_ifs
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# slibtool: features and argument handline
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# ----------------------------------------
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_SLIBTOOL_ARG_ENABLE([shared],[build shared libraries],[slibtool_enable_shared])
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_SLIBTOOL_ARG_ENABLE([static],[build static libraries],[slibtool_enable_static])
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_SLIBTOOL_ARG_ENABLE([dlopen],[allow -dlopen and -dlpreopen],[slibtool_enable_dlopen])
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_SLIBTOOL_ARG_ENABLE([win32-dll],[natively support win32 dll's],[slibtool_enable_win32_dll])
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_SLIBTOOL_ARG_ENABLE([fast-install],[optimize for fast installation],[slibtool_enable_fast_install])
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_SLIBTOOL_ARG_WITH([pic],[override defaults for pic object usage],[slibtool_pic_mode])
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_SLIBTOOL_ARG_WITH([sysroot],[absolute path to the target's sysroot],[slibtool_sysroot])
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# slibtool: set flavor
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# --------------------
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slibtool_set_flavor
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LIBTOOL='$(SLIBTOOL)'
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AC_SUBST([LIBTOOL])
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AC_SUBST([SLIBTOOL])
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AC_SUBST([SLIBTOOL_SYSROOT])
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m4_define([SLIBTOOL_INIT])
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])
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# SLIBTOOL_LANG(_language_)
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# -------------------------
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AC_DEFUN([SLIBTOOL_LANG],[
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AC_REQUIRE([SLIBTOOL_PREREQ])
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])
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# SLIBTOOL_PREREQ(_version_)
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# --------------------------
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AC_DEFUN([SLIBTOOL_PREREQ],[
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AC_PROG_CPP])
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AC_REQUIRE([AC_PROG_CXX])
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AC_REQUIRE([AC_PROG_CXXCPP])
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AC_REQUIRE([AC_PROG_OBJC])
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AC_REQUIRE([AC_PROG_OBJCPP])
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AC_REQUIRE([AC_PROG_FC])
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AC_REQUIRE([AC_PROG_F77])
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AC_REQUIRE([AC_PROG_AWK])
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AC_REQUIRE([AC_PROG_LEX])
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AC_REQUIRE([AC_PROG_SED])
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AC_REQUIRE([AC_PROG_YACC])
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AC_REQUIRE([AC_PROG_RANLIB])
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AC_REQUIRE([AC_PROG_LN_S])
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AC_REQUIRE([AC_PROG_MKDIR_P])
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m4_ifndef([AC_PROG_OBJCXX],     [AC_DEFUN([AC_PROG_OBJCXX],[AC_SUBST([OBJCXX])])])
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m4_ifndef([AC_PROG_OBJCXXCPP],  [AC_DEFUN([AC_PROG_OBJCXXCPP],[AC_SUBST([OBJCXXCPP])])])
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_CXX
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AC_PROG_CXXCPP
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AC_PROG_OBJC
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AC_PROG_OBJCPP
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AC_PROG_OBJCXX
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AC_PROG_OBJCXXCPP
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AC_PROG_FC
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AC_PROG_F77
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AC_PROG_AWK
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AC_PROG_LEX
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AC_PROG_SED
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AC_PROG_YACC
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AC_PROG_RANLIB
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AC_PROG_NM
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AC_PROG_LN_S
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AC_PROG_MKDIR_P
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])
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# drop-in replacement
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# -------------------
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AC_DEFUN([LT_INIT],             [SLIBTOOL_INIT($@)])
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AC_DEFUN([LT_LANG],             [SLIBTOOL_LANG($@)])
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AC_DEFUN([LT_PREREQ],           [SLIBTOOL_PREREQ($@)])
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AC_DEFUN([AC_PROG_LIBTOOL],     [SLIBTOOL_INIT($@)])
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AC_DEFUN([AM_PROG_LIBTOOL],     [SLIBTOOL_INIT($@)])
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AC_DEFUN([AC_PROG_NM],          [SLIBTOOL_PROG_NM($@)])
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AC_DEFUN([AM_PROG_NM],          [SLIBTOOL_PROG_NM($@)])
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AC_DEFUN([AC_ENABLE_SHARED],    [SLIBTOOL_ENABLE_SHARED($@)])
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AC_DEFUN([AM_ENABLE_SHARED],    [SLIBTOOL_ENABLE_SHARED($@)])
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AC_DEFUN([AC_ENABLE_STATIC],    [SLIBTOOL_ENABLE_STATIC($@)])
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AC_DEFUN([AM_ENABLE_STATIC],    [SLIBTOOL_ENABLE_STATIC($@)])
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AC_DEFUN([AC_DISABLE_SHARED],   [SLIBTOOL_DISABLE_SHARED($@)])
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AC_DEFUN([AM_DISABLE_SHARED],   [SLIBTOOL_DISABLE_SHARED($@)])
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AC_DEFUN([AC_DISABLE_STATIC],   [SLIBTOOL_DISABLE_STATIC($@)])
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AC_DEFUN([AM_DISABLE_STATIC],   [SLIBTOOL_DISABLE_STATIC($@)])
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# deprecated and no-op macros
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# ---------------------------
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AC_DEFUN([AC_LIBTOOL_DLOPEN],[])
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AC_DEFUN([AC_LIBTOOL_WIN32_DLL],[])
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AC_DEFUN([AC_DISABLE_FAST_INSTALL],[])