Implementing comment #1 from http://www.open-mpi.org/community/lists/devel/2013/12/13523.php

Refs trac:4011

This commit was SVN r30024.

The following Trac tickets were found above:
  Ticket 4011 --> https://svn.open-mpi.org/trac/ompi/ticket/4011

config/ompi_check_mxm.m4

@@ -36,13 +36,13 @@ AC_DEFUN([OMPI_CHECK_MXM],[
            AS_IF([test ! -z "$with_mxm_libdir" -a "$with_mxm_libdir" != "yes"],
                  [ompi_check_mxm_libdir="$with_mxm_libdir"])
 
-           ompi_check_mxm_rpath="-Wl,-rpath=$ompi_check_mxm_libdir"
+           ompi_check_mxm_extra_libs="-L$ompi_check_mxm_libdir"
 
            OMPI_CHECK_PACKAGE([$1],
                               [mxm/api/mxm_api.h],
                               [mxm],
                               [mxm_cleanup],
-                              [$ompi_check_mxm_rpath],
+                              [$ompi_check_mxm_extra_libs],
                               [$ompi_check_mxm_dir],
                               [$ompi_check_mxm_libdir],
                               [ompi_check_mxm_happy="yes"],