dnl $Id: config.m4,v 1.1.1.1 2002/02/26 10:21:20 oetiker Exp $PHP_ARG_WITH(rrdtool, for RRDTool support,[  --with-rrdtool[=DIR]      Include RRDTool support.  DIR is the rrdtool                          install directory.])if test "$PHP_RRDTOOL" != "no"; then  for i in /usr/local /usr /opt/rrdtool /usr/local/rrdtool $PHP_RRDTOOL; do    if test -f $i/include/rrd.h; then      RRDTOOL_DIR=$i    fi  done  if test -z "$RRDTOOL_DIR"; then    AC_MSG_ERROR(Please reinstall rrdtool, or specify a directory - I cannot find rrd.h)  fi  PHP_ADD_INCLUDE($RRDTOOL_DIR/include)  PHP_ADD_LIBRARY_WITH_PATH(rrd, $RRDTOOL_DIR/lib, RRDTOOL_SHARED_LIBADD)  PHP_SUBST(RRDTOOL_SHARED_LIBADD)  AC_DEFINE(HAVE_RRDTOOL,1,[ ])  PHP_EXTENSION(rrdtool, $ext_shared)fi