dnldnl Process this file with autoconf to produce a configure script.dnlAC_INIT(lib/ping.h)AM_CONFIG_HEADER(include/config.h)VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`AM_INIT_AUTOMAKE(libping, $VERSION)DATE=2001-07-05AC_SUBST(DATE)dnl dnl Check for AIXdnlAC_AIXdnldnl Define the utils directorydnlAC_CONFIG_AUX_DIR(utils)AM_PROG_LIBTOOLAC_PROG_MAKE_SETAC_PROG_INSTALLdnldnl Get the compilerdnlAC_PROG_CCif test -n "$auto_cflags"; then  if test -n "$GCC"; then    CFLAGS="$CFLAGS -g -O2 -Wall -Wno-implicit"  else    case "$host_os" in      *hpux*)  CFLAGS="$CFLAGS +O3"                      ;;      *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;      *)       CFLAGS="$CFLAGS -O" ;;    esac  fifidnldnl with debuggingdnldebugging="no"AC_ARG_WITH(debugging,dnl[  --with-debugging        compile with program debugging],[  debugging="$withval"                                  ])if test "$debugging" != "no"; then  AC_MSG_RESULT(checking for debugging level... one)  AC_DEFINE(DEBUG)else  AC_MSG_RESULT(checking for debugging level... zero)fidnldnl with SSL supportdnlMYSSL=offsslfound=locateSSL_INCLUDE=SSL_LDFLAGS=SSL_LIBS=AC_ARG_WITH(ssl,dnl[  --with-ssl              compile with ssl support],[  MYSSL="$withval"                                ])if test X"$MYSSL" = Xoffthen  AC_MSG_RESULT(checking for ssl support... no)else  AC_MSG_RESULT(checking for ssl support... yes)fidnldnl Check for ssl librariesdnlif test X"$MYSSL" = Xnothen  AC_MSG_RESULT(HTTPS/ssl support disabled)else  AC_CHECK_HEADER($MYSSL/include/openssl/opensslv.h, sslfound=yes, sslfound=locate)  if test $sslfound = "locate"; then     dnl the user probably misunderstood the option....     for dir in /usr /usr/local /usr/local/ssl /usr/pkg /usr/lib/ssl /usr/include/ssl /usr/include; do       AC_CHECK_HEADER($dir/include/openssl/opensslv.h, sslfound=yes, sslfound=no)       if test $sslfound = yes ; then         SSL_LDFLAGS="-L$dir/lib"         SSL_INCLUDE="-I$dir/include/openssl -I$dir/include"         SSL_LIBS="-lssl -lcrypto"         AC_SUBST(SSL_INCLUDE)         AC_SUBST(SSL_LDFLAGS)         AC_SUBST(SSL_LIBS)         AC_DEFINE(HAVE_SSL)      fi    done  else    echo "found ssl in $MYSSL"    SSL_LDFLAGS="-L$MYSSL/lib"    SSL_INCLUDE="-I$MYSSL/include/openssl -I$MYSSL/include"    SSL_LIBS="-lssl -lcrypto"    AC_SUBST(SSL_INCLUDE)    AC_SUBST(SSL_LDFLAGS)    AC_SUBST(SSL_LIBS)    AC_DEFINE(HAVE_SSL)  fifidnl Checks for header files.AC_HEADER_STDCAC_HEADER_SYS_WAITAC_CHECK_HEADERS(fcntl.h)AC_CHECK_HEADERS(unistd.h)AC_CHECK_HEADERS(signal.h)AC_CHECK_HEADERS(sys/socket.h)AC_CHECK_HEADERS(sys/select.h)AC_CHECK_HEADERS(netdb.h)AC_CHECK_HEADERS(sys/time.h sys/times.h)AC_CHECK_HEADERS(sys/types.h)AC_CHECK_HEADERS(sys/resource.h)AC_CHECK_HEADERS(errno.h)AC_CHECK_HEADERS(arpa/inet.h)AC_CHECK_HEADERS(netinet/in.h)AC_CHECK_HEADERS(netdb.h)dnldnl checks for typedefs, structures, and compiler characteristics.dnlAC_C_CONSTAC_TYPE_SIZE_TAC_HEADER_TIMEdnldnl Check library functions.dnlAC_CHECK_FUNCS(socket, , AC_CHECK_LIB(socket, socket))AC_CHECK_FUNCS(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))AC_CHECK_FUNCS(strchr memcpy strstr strcmp strncmp strncpy strlen)AC_CHECK_FUNCS(strncasecmp strcasecmp strncmp)dnldnl Check for librariesdnlAC_CHECK_LIB(socket, socket)AC_CHECK_LIB(resolv, res_search)dnldnl create the libping headerdnlAC_OUTPUT_COMMANDS([  infile=include/ping.h.in  outfile=include/ping.h  rm -f $outfile  sed -e "s|%_VERSION%|$VERSION|" \      -e "s|%_DATE%|$DATE|" \      < $infile > $outfile], [ VERSION=$VERSION DATE="$DATE" ])AC_OUTPUT(Makefile doc/Makefile include/Makefile lib/Makefile src/Makefile utils/Makefile) echoecho "----------------------------------------------------------------"echo "The LIBPING configuration is complete!!"echoecho "To finish the compilation/installation type the following cmds:"echo "make"echo "su"echo "make install"echoecho "NOTE: It's important to install as root to set the appropriate"echo "      file permissions. To utilize the library,  try ding, the"echo "      program. To learn more, man ding."echo "----------------------------------------------------------------"