This document describes the steps for installing International Components for Unicode for Software AG (ICS) on z/OS which allows Natural to convert code pages and support Unicode.
International Components for Unicode for Software AG (ICS) requires the use of an ICS module and an ICU data library. In addition, you can use ICU data items to load ICU components that are not contained in the ICU data library. The ICS module does not have to be linked to the Natural nucleus if neither code page conversion nor Unicode support are required.
The use of ICU functionality increases the required Natural thread size.
Note:
For increased flexibility, it is also possible to load the ICS module
during initialization of the Natural session. A dynamically loaded ICS module
overrides the statically linked ICS module. You can also load an ICU data
library during initialization of the Natural session. A dynamically loaded ICU
data library overrides any statically linked ICU data library.
The ICS module, the ICU data libraries and the ICU data items are explained in Enabling Unicode and Code Page Support in the Unicode and Code Page Support documentation.
When used in this document, the notation
vrs or
vr represents the relevant product
version (see also Version in the
Glossary).
See General Prerequisites and System Support in the section Overview of the Installation Process.
The ICS module, the ICU data libraries and the ICU data items are
contained on the ICSvrs.LOAD and
ICSvrs.SRCE
data sets
supplied on the installation medium for
base Natural.
Be sure to read Installation Process and Major Natural Features before you start the installation procedure.
Add the following INCLUDE statement to the link
instructions for the environment-independent
nucleus:
INCLUDE ICSLIB(SAGICU)
For support of IBM architecture level 9, instead of
SAGICU, you can use the alternative ICS module
SAGICUA9:
Set the System
Maintenance Aid (SMA) parameter
NAT-ARCHLEVEL9 to Y (default is
N).
Or:
Add the following INCLUDE statement to the link
instructions for the environment-independent
nucleus:
INCLUDE ICSLIB(SAGICUA9)
See also alternative ICS modules in the Unicode and Code Page Support documentation.
Note:
The
ICU data
library ICSDT58J is contained in the ICS module
SAGICU (or SAGICUA9 respectively) and available by
default.
Link the ICS module to the environment-independent nucleus as described in Link the Nucleus in Installing Natural.
This step is only required if you want to use another data library in
addition to ICSDT58J.
Add one of the following INCLUDE statements to
the link instructions for the environment-independent nucleus
depending on the
ICU data
library to be used:
INCLUDE ICSLIB(ICSDT58E)
Or:
INCLUDE ICSLIB(ICSDT58X)
Link the ICU data library to the environment-independent nucleus as described in Link the Nucleus in Installing Natural.
If you link the ICSDT58X data library, link the
environment-independent
nucleus into a PDSE instead of a PDS to avoid IBM error
IEW2641S.
Make sure that the ICS load library from the ICSvrs.LOAD data set
is available to the execution JCL of your Natural or TP monitor interface.
Depending on your environment, perform one of the following options:
In batch mode, under TSO and in all IMS TM environments:
Add ICSvrs.LOAD to the
STEPLIB concatenation of your execution JCL.
Under CICS:
Add ICSvrs.LOAD to the
DFHRPL concatenation of your CICS execution JCL.
Under Com-plete:
Add ICSvrs.LOAD to the
COMPLIB concatenation of your Com-plete execution JCL.
At the start of a Natural session, set the Natural profile parameter
RCA as follows:
RCA=SAGICU
RCA is described in
the Parameter Reference documentation.
The ICS module
SAGICU is described in the Unicode and Code
Page Support documentation.
Instead of the ICS module SAGICU, you can also load the
ICS module SAGICUA9. In addition to SAGICU, this
module supports IBM architecture level 9: see
alternative ICS
modules in the Unicode and Code Page Support
documentation.
If you want to load SAGICUA9, use the following
parameter setting:
RCA=SAGICU RCALIAS=(SAGICU,SAGICUA9)
The Natural profile parameter RCALIAS is
described in the Parameter Reference
documentation.
Make sure that the ICS load library from the ICSvrs.LOAD data set
is available to the execution JCL of your Natural or TP monitor interface.
Depending on your environment, perform one of the following options:
In batch mode, under TSO and in all IMS TM environments:
Add ICSvrs.LOAD to the
STEPLIB concatenation of your execution JCL.
Under CICS:
Add ICSvrs.LOAD to the
DFHRPL concatenation of your CICS execution JCL.
Under Com-plete:
Add ICSvrs.LOAD to the
COMPLIB concatenation of your Com-plete execution JCL.
At the start of a Natural session, set the Natural profile
parameters RCA and CFICU for the
ICU data
library to be used:
For ICSDT58E:
RCA=ICSDT58E CFICU=(DATFILE=ICSDT58E)
For ICSDT58X:
RCA=ICSDT58X CFICU=(DATFILE=ICSDT58X)
RCA and
CFICU are
described in the Parameter Reference documentation.
This step is optional and only required if you want to dynamically load an ICU data item on request during a Natural session instead of an entire ICU data library. For more information, see the Unicode and Code Page Support documentation.
Make sure that the ICS load library from the ICSvrs.LOAD data set
is available to the execution JCL of your Natural or TP monitor interface.
Depending on your environment, perform one of the following options:
In batch mode, under TSO and in all IMS TM environments:
Add ICSvrs.LOAD to the
STEPLIB concatenation of your execution JCL.
Under CICS:
Add ICSvrs.LOAD to the
DFHRPL concatenation of your CICS execution JCL.
Under Com-plete:
Add ICSvrs.LOAD to the
COMPLIB concatenation of your Com-plete execution JCL.
Depending on your TP environment and the setting of the Natural
CFICU
profile parameter, perform one of the following options:
Under CICS, with CFICU=(DATITEM=NONE)
set:
Add one PPT entry for each ICU data item.
See also the corresponding step in Installing Natural CICS Interface.
Under Com-plete, with CFICU=(DATITEM=NONE)
set:
Add THREAD-ESQA-SIZE=15K as a keyword
parameter to the startup options for your Com-plete.
After the last step of the installation procedure has been completed, proceed as follows:
Configure and activate your Unicode and code page environment by following the instructions in Configuration and Administration of the Unicode/Code Page Environment and Profile Parameters and Macros in the Unicode and Code Page Support documentation.
For information on the code pages and ICU data files available in your current Natural environment, you can use the SYSCP utility (described in the Utilities documentation).
After successful activation, you can execute the example programs described in the Unicode and Code Page Support documentation.