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diff --git a/protocols/Telegram/tgl/m4_ax_check_zlib.m4 b/protocols/Telegram/tgl/m4_ax_check_zlib.m4
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--- a/protocols/Telegram/tgl/m4_ax_check_zlib.m4
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-# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_check_zlib.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-# AX_CHECK_ZLIB([action-if-found], [action-if-not-found])
-#
-# DESCRIPTION
-#
-# This macro searches for an installed zlib library. If nothing was
-# specified when calling configure, it searches first in /usr/local and
-# then in /usr, /opt/local and /sw. If the --with-zlib=DIR is specified,
-# it will try to find it in DIR/include/zlib.h and DIR/lib/libz.a. If
-# --without-zlib is specified, the library is not searched at all.
-#
-# If either the header file (zlib.h) or the library (libz) is not found,
-# shell commands 'action-if-not-found' is run. If 'action-if-not-found' is
-# not specified, the configuration exits on error, asking for a valid zlib
-# installation directory or --without-zlib.
-#
-# If both header file and library are found, shell commands
-# 'action-if-found' is run. If 'action-if-found' is not specified, the
-# default action appends '-I${ZLIB_HOME}/include' to CPFLAGS, appends
-# '-L$ZLIB_HOME}/lib' to LDFLAGS, prepends '-lz' to LIBS, and calls
-# AC_DEFINE(HAVE_LIBZ). You should use autoheader to include a definition
-# for this symbol in a config.h file. Sample usage in a C/C++ source is as
-# follows:
-#
-# #ifdef HAVE_LIBZ
-# #include <zlib.h>
-# #endif /* HAVE_LIBZ */
-#
-# LICENSE
-#
-# Copyright (c) 2008 Loic Dachary <loic@senga.org>
-# Copyright (c) 2010 Bastien Chevreux <bach@chevreux.org>
-#
-# 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 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 14
-
-AU_ALIAS([CHECK_ZLIB], [AX_CHECK_ZLIB])
-AC_DEFUN([AX_CHECK_ZLIB],
-#
-# Handle user hints
-#
-[AC_MSG_CHECKING(if zlib is wanted)
-zlib_places="/usr/local /usr /opt/local /sw"
-AC_ARG_WITH([zlib],
-[ --with-zlib=DIR root directory path of zlib installation @<:@defaults to
- /usr/local or /usr if not found in /usr/local@:>@
- --without-zlib to disable zlib usage completely],
-[if test "$withval" != no ; then
- AC_MSG_RESULT(yes)
- if test -d "$withval"
- then
- zlib_places="$withval $zlib_places"
- else
- AC_MSG_WARN([Sorry, $withval does not exist, checking usual places])
- fi
-else
- zlib_places=
- AC_MSG_RESULT(no)
-fi],
-[AC_MSG_RESULT(yes)])
-
-#
-# Locate zlib, if wanted
-#
-if test -n "${zlib_places}"
-then
- # check the user supplied or any other more or less 'standard' place:
- # Most UNIX systems : /usr/local and /usr
- # MacPorts / Fink on OSX : /opt/local respectively /sw
- for ZLIB_HOME in ${zlib_places} ; do
- if test -f "${ZLIB_HOME}/include/zlib.h"; then break; fi
- ZLIB_HOME=""
- done
-
- ZLIB_OLD_LDFLAGS=$LDFLAGS
- ZLIB_OLD_CPPFLAGS=$CPPFLAGS
- if test -n "${ZLIB_HOME}"; then
- LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib"
- CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include"
- fi
- AC_LANG_SAVE
- AC_LANG_C
- AC_CHECK_LIB([z], [inflateEnd], [zlib_cv_libz=yes], [zlib_cv_libz=no])
- AC_CHECK_HEADER([zlib.h], [zlib_cv_zlib_h=yes], [zlib_cv_zlib_h=no])
- AC_LANG_RESTORE
- if test "$zlib_cv_libz" = "yes" && test "$zlib_cv_zlib_h" = "yes"
- then
- #
- # If both library and header were found, action-if-found
- #
- m4_ifblank([$1],[
- CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include"
- LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib"
- LIBS="-lz $LIBS"
- AC_DEFINE([HAVE_LIBZ], [1],
- [Define to 1 if you have `z' library (-lz)])
- ],[
- # Restore variables
- LDFLAGS="$ZLIB_OLD_LDFLAGS"
- CPPFLAGS="$ZLIB_OLD_CPPFLAGS"
- $1
- ])
- else
- #
- # If either header or library was not found, action-if-not-found
- #
- m4_default([$2],[
- AC_MSG_ERROR([either specify a valid zlib installation with --with-zlib=DIR or disable zlib usage with --without-zlib])
- ])
- fi
-fi
-])