215 lines
5.9 KiB
Plaintext
215 lines
5.9 KiB
Plaintext
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dnl Copyright (C) 1999-2011, 2016, 2018-2022 Free Software Foundation, Inc.
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dnl This file is part of the GNU LIBICONV Library.
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dnl
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dnl The GNU LIBICONV Library is free software; you can redistribute it
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dnl and/or modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either version 2.1
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dnl of the License, or (at your option) any later version.
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dnl
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dnl The GNU LIBICONV Library is distributed in the hope that it will be
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dnl useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with the GNU LIBICONV Library; see the file COPYING.LIB.
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dnl If not, see <https://www.gnu.org/licenses/>.
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AC_PREREQ([2.64])
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AC_INIT([libiconv], [1.17])
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AC_CONFIG_SRCDIR([lib/iconv.c])
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AC_CONFIG_AUX_DIR([build-aux])
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AM_INIT_AUTOMAKE
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AC_CONFIG_HEADERS([config.h lib/config.h])
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AC_PROG_MAKE_SET
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dnl checks for basic programs
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_INSTALL
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AC_PATH_PROG([STRIP], [strip], [:]) dnl sets STRIP
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AM_PROG_INSTALL_STRIP dnl overrides STRIP when cross-compiling,
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dnl sets INSTALL_STRIP_PROGRAM
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dnl check for host type
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AC_CANONICAL_HOST
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dnl hack
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dnl Hack to work around limitations of automake and error.m4 regarding LIBOBJS.
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dnl "srclib/Makefile.am:32: automatically discovered file `error.h' should not be explicitly mentioned"
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AC_DEFUN([my_SRCLIB_OBJ],[SRCLIBOBJS="$SRCLIBOBJS $1.$ac_objext"])
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AC_DEFUN([my_SRCLIB_REPLACE_FUNCS], [AC_CHECK_FUNCS([$1], , [my_SRCLIB_OBJ($ac_func)])])
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m4_pushdef([AC_LIBOBJ], m4_defn([my_SRCLIB_OBJ]))
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m4_pushdef([AC_REPLACE_FUNCS], m4_defn([my_SRCLIB_REPLACE_FUNCS]))
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dnl checks for UNIX variants that set DEFS
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gl_EARLY
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dnl checks for build configuration
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LT_INIT([disable-static win32-dll])
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gl_RELOCATABLE
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AC_ARG_ENABLE([extra-encodings],
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[AS_HELP_STRING([--enable-extra-encodings],
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[add support for a few rarely used encodings])],
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[AC_DEFINE([ENABLE_EXTRA], 1,
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[Define to 1 to enable a few rarely used encodings.])
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USE_EXTRA_ENCODINGS=yes],
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[USE_EXTRA_ENCODINGS=no])
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AC_SUBST([USE_EXTRA_ENCODINGS])
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dnl checks for programs
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CL_PROG_CP
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CL_PROG_LN
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AC_PROG_LN_S
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dnl checks for compiler output filename suffixes
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AC_OBJEXT
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AC_EXEEXT
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dnl checks for build configuration
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dnl Prepares the libtool configuration for handling of Windows resources, and
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dnl sets the RC variable to a program that compiles Windows resource files.
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LT_LANG([Windows Resource])
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dnl On mingw and Cygwin, we can activate special Makefile rules which add
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dnl version information to the executables.
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case "$host_os" in
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mingw* | cygwin*) is_woe32=yes ;;
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*) is_woe32=no ;;
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esac
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WOE32=$is_woe32
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AC_SUBST([WOE32])
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if test $WOE32 = yes; then
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dnl Check for a program that compiles Windows resource files.
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AC_CHECK_TOOL([WINDRES], [windres])
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fi
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gl_VISIBILITY
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AM_ICONV
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AM_GNU_GETTEXT([external], [need-ngettext])
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dnl checks for typedefs
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AC_TYPE_MBSTATE_T
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gt_TYPE_WCHAR_T
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dnl checks for header files, functions and declarations
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if test "$am_cv_func_iconv" = yes -a -n "$iconv_arg1"; then
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ICONV_CONST="const"
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else
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ICONV_CONST=""
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fi
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AC_SUBST([ICONV_CONST])
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if test $gt_cv_c_wchar_t = yes; then
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HAVE_WCHAR_T=1
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else
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HAVE_WCHAR_T=0
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fi
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AC_SUBST([HAVE_WCHAR_T])
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AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale])
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dnl mbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see lib/loop_wchar.h.
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if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then
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USE_MBSTATE_T=1
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else
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USE_MBSTATE_T=0
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fi
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AC_SUBST([USE_MBSTATE_T])
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AC_CACHE_CHECK([whether <wchar.h> is standalone],
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[gl_cv_header_wchar_h_standalone],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <wchar.h>
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wchar_t w;]],
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[[]])],
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[gl_cv_header_wchar_h_standalone=yes],
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[gl_cv_header_wchar_h_standalone=no])])
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if test $gl_cv_header_wchar_h_standalone = yes; then
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BROKEN_WCHAR_H=0
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else
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BROKEN_WCHAR_H=1
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fi
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AC_SUBST([BROKEN_WCHAR_H])
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AC_REPLACE_FUNCS([memmove])
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AM_LANGINFO_CODESET
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gl_FCNTL_O_FLAGS
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AC_EILSEQ
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AC_C_BIGENDIAN([],
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[AC_DEFINE([WORDS_LITTLEENDIAN], [1],
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[Define if the machine's byte ordering is little endian.])
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])
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gl_INIT
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dnl hack
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dnl End of hack to work around limitations of automake and error.m4.
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m4_popdef([AC_REPLACE_FUNCS])
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m4_popdef([AC_LIBOBJ])
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AC_SUBST([SRCLIBOBJS])
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dnl Compilation on mingw and Cygwin needs special Makefile rules, because
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dnl 1. when we install a shared library, we must arrange to export
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dnl auxiliary pointer variables for every exported variable,
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dnl 2. when we install a shared library and a static library simultaneously,
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dnl the include file specifies __declspec(dllimport) and therefore we
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dnl must arrange to define the auxiliary pointer variables for the
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dnl exported variables _also_ in the static library.
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if test "$enable_shared" = yes; then
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case "$host_os" in
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mingw* | cygwin*) is_woe32dll=yes ;;
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*) is_woe32dll=no ;;
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esac
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else
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is_woe32dll=no
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fi
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WOE32DLL=$is_woe32dll
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AC_SUBST([WOE32DLL])
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if test $is_woe32dll = yes; then
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DLL_VARIABLE='__declspec (dllimport)'
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else
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DLL_VARIABLE=
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fi
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AC_SUBST([DLL_VARIABLE])
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AH_BOTTOM([
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/* On Windows, variables that may be in a DLL must be marked specially. */
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#if defined _MSC_VER && defined _DLL
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# define DLL_VARIABLE __declspec (dllimport)
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#else
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# define DLL_VARIABLE
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#endif
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])
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AC_CONFIG_SUBDIRS([libcharset])
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AC_CONFIG_FILES([Makefile])
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AC_CONFIG_FILES([lib/Makefile])
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AC_CONFIG_FILES([srclib/Makefile])
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AC_CONFIG_FILES([src/Makefile])
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AC_CONFIG_FILES([po/Makefile.in])
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AC_CONFIG_FILES([man/Makefile])
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if test -d "${srcdir}/tests"; then
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AC_CONFIG_FILES([tests/Makefile])
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fi
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AC_CONFIG_FILES([include/iconv.h:include/iconv.h.build.in])
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AC_CONFIG_FILES([include/iconv.h.inst:include/iconv.h.in])
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AC_OUTPUT
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