Changes to README  file to show how to use LIBPATH

The "XXXX" LS-DYNA executable is built using IBM Fortran Compiler  xlf 8.1.1.4.
Sometimes the customer installation either does not have any IBM Fortran 
Compiler installed or has an older version of Fortran Compiler installed 
on their system. In such situations, LS-DYNA either will not work or works
incorrectly. This problem can be resolved in two ways:

1) Customer installs IBM Fortran Compiler which are at xlf 8.1.1.4 or later 

or

2) Obtain the IBM Fortran Libraries which were used to build this 
   particular version of LS-DYNA free of charge from LSTC

If the customer follows Alternative 1, no further action is needed.

If the customer follows Alternative 2 then the following procedure is
needed to make use of the IBM Fortran Libraries supplied by LSTC to 
run LS-DYNA program:

Unpack the compressed  and tarred file( gunzip then tar xvf),

     ibm_xlf81_lib.tgz

containing Fortran libraries in to any file system. When unpacked, 
the directory structure of these libraries is as follows:

  ../libxlf8.1.1.4

Set the following environment variable before starting LS-DYNA:

  k-shell:  export LIBPATH=(path)/libxlf8.1.1.4:$LIBPATH
  c-shell:  setenv LIBPATH "(path)/libxlf8.1.1.4:$LIBPATH"

For help with this or to answer any questions concerning the IBM
version of LS-DYNA, contact

  LSTC support  support@lstc.com   925-449-2500
  Hari Reddy    hari@us.ibm.com    817-962-6472