dnl Copyright (C) 1999-2001 RTFM, Inc.dnl All Rights Reserveddnl Redistribution and use in source and binary forms, with or withoutdnl modification, are permitted provided that the following conditionsdnl are met:dnl 1. Redistributions of source code must retain the above copyrightdnl    notice, this list of conditions and the following disclaimer.dnl 2. Redistributions in binary form must reproduce the above copyrightdnl    notice, this list of conditions and the following disclaimer in thednl    documentation and/or other materials provided with the distribution.dnl 3. All advertising materials mentioning features or use of this softwarednl    must display the following acknowledgement:dnl dnl    This product includes software developed by Eric Rescorla fordnl    RTFM, Inc.dnldnl 4. Neither the name of RTFM, Inc. nor the name of Eric Rescorla may bednl    used to endorse or promote products derived from thisdnl    software without specific prior written permission.dnldnl THIS SOFTWARE IS PROVIDED BY ERIC RESCORLA AND RTFM, INC. ``AS IS'' ANDdnl ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THEdnl IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSEdnl ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLEdnl FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIALndnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODSdnl OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)dnl HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICTdnl LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAYdnl OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY SUCH DAMAGE.dnl Process this file with autoconf to produce a configure script.AC_INIT(wserver.c)dnl AC_CANONICAL_SYSTEMdnl Checks for programs.AC_PROG_CCAC_PROG_MAKE_SETAC_MSG_RESULT(configuring for $target_os)dnl Replace `main' with a function in -lm:AC_CHECK_LIB(m, pow)dnl See if we can find OpenSSLdnl We can compile without OpenSSL if we have toac_use_openssl="true"ac_openssl_lib_dir="/usr/lib /usr/local /usr/local/ssl /usr/local/ssl/lib /usr/pkg"ac_openssl_inc_dir="/usr/include /usr/local /usr/local/ssl /usr/pkg /usr/local/ssl/include"AC_ARG_WITH(openssl,[--with-openssl            root location for OpenSSL],	if test "$withval" = "no"; then	   ac_use_openssl="false"	else		ac_openssl_lib_dir="$withval/lib $withval"		ac_openssl_inc_dir=$withval/include	fi)AC_ARG_WITH(openssl-inc,[--with-openssl-inc        OpenSSL include files],	ac_openssl_inc_dir=$withval)AC_ARG_WITH(openssl-lib,[--with-openssl-lib        OpenSSL library files],	ac_openssl_lib_dir=$withval)dnl Now look for OpenSSLif test "$ac_use_openssl" != "false"; then	ac_found_openssl_inc_dir="no"	AC_MSG_CHECKING(for OpenSSL include files)	for dir in $ac_openssl_inc_dir; do		if test -f $dir/openssl/ssl.h; then		   ac_found_openssl_inc_dir=$dir		   break		fi        done	if test "$ac_found_openssl_inc_dir" != "no"; then	   	echo "found in $ac_found_openssl_inc_dir"	else		echo "not found."		ac_use_openssl="false"	fifiif test "$ac_use_openssl" != "false"; then	ac_found_openssl_lib_dir="no"	AC_MSG_CHECKING(for OpenSSL libraries)	for dir in $ac_openssl_lib_dir; do		found_ssl="false"		if test -f $dir/libssl.a -a -f $dir/libcrypto.a; then		  found_ssl="true"		fi		if test -f $dir/libssl.so -a -f $dir/libcrypto.so; then		  found_ssl="true"		fi		if $found_ssl != "false"; then		dnl Ok, we think we've found them, but check that they		dnl actually ontain the right functions		save_LIBS=$LIBS		save_LDFLAGS=$LDFLAGS		LIBS="-lssl -lcrypto $LIBS"		LDFLAGS="-L$dir $LDFLAGS"		AC_TRY_LINK_FUNC(SSL_load_error_strings,ac_linked_libssl="true",			ac_linked_libssl="false");		AC_TRY_LINK_FUNC(RC4_set_key,ac_linked_libcrypto="true",			ac_linked_libcrypto="false");		if test "$ac_linked_libssl" != "false" -a \			"$ac_linked_libcrypto" != "false"; then				ac_found_openssl_lib_dir=$dir				break		fi		LIBS=$save_LIBS		LDFLAGS=$save_LDFLAGS		fi	done	if test "$ac_found_openssl_lib_dir" != "no"; then	   	echo "found in $ac_found_openssl_lib_dir"		INCLUDES="-I$ac_found_openssl_inc_dir $INCLUDES"		DEFINES="-DOPENSSL $DEFINES"	else		echo "not found."		ac_use_openssl="false"	fifiif test "$ac_use_openssl" = "false"; then	AC_MSG_ERROR(Couldn't find OpenSSL)fi	dnl Checks for header files.AC_HEADER_STDCdnl Checks for library functions.AC_FUNC_MEMCMPAC_TYPE_SIGNALAC_FUNC_VPRINTFAC_CHECK_FUNCS(strdup)AC_SUBST(INCLUDES)AC_SUBST(DEFINES)AC_OUTPUT(Makefile)