Add helpful messages to AC_ARG_WITH --help output.

This commit was SVN r20044.

config/ompi_check_loadleveler.m4

@@ -23,7 +23,7 @@
 # --------------------------------------------------------
 AC_DEFUN([OMPI_CHECK_LOADLEVELER],[
     AC_ARG_WITH([loadleveler],
-                [AC_HELP_STRING([--with-loadleveler],
+                [AC_HELP_STRING([--with-loadleveler(=DIR)],
                                 [Directory where the loadleveler software is installed])])
 
     AS_IF([test "$with_loadleveler" = "no"],

config/ompi_check_tm.m4

@@ -40,7 +40,7 @@ AC_DEFUN([OMPI_CHECK_TM_LIBS_FLAGS],[
 # --------------------------------------------------------
 AC_DEFUN([OMPI_CHECK_TM],[
     AC_ARG_WITH([tm],
-                [AC_HELP_STRING([--with-tm],
+                [AC_HELP_STRING([--with-tm(=DIR)],
                                 [Directory where the tm software is installed])])
 
     ompi_check_tm_found=no