GetOptions("tclsh=s", \$tclsh,         # Use this tclsh executable as a
                                       # base to find the lib info needed
	   "tclconfig=s", \$tclconfig, # Use the specified Tcl config file
                                       # instead of basing the values on
                                       # the tclsh exe found
	   "buildspec", \$buildspec,   # Used with --tclconfig, use the
                                       # build (instead of install) values
                                       # for determining lib info
	   "usestubs!", \$usestubs,    # we want to use the Tcl stubs
                                       # mechanism by default
	   "library=s", \$libpath,     # Use this specific Tcl library
	   "include=s", \$incpath,     # Use this specific include path
	   "define=s", \$defs,         # Use this specific set of defines
	  )
    || _die <<EOT;

Usage: perl Makefile.PL [--tclsh <path>] [--tclconfig <path>]
                        [--buildspec] [--nousestubs] [<makemaker opts>...]

or for expert compilation:

       perl --library=-l/path/to/tcl(stub).a --include=-I/path/to/tcl/include
            --define="-DLIB_RUNTIME_DIR=... -DTCL_LIB_FILE=..."

EOT