Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Migration Guide

Planning to move to the new compiler

Prepare to move your source to the new compiler
Installing Enterprise PL/I
Assessing storage requirements
Educating your programmers on new compiler features
Take an inventory of your applications
Taking an inventory of vendor tools, packages, and products
Taking an inventory of PL/I applications
Prioritizing your applications
Determining conversion priority
Setting up move/no move categories
Make application program updates

This chapter describes a general strategy for moving your source programs to Enterprise PL/I. The following tasks are necessary, and should be performed in roughly the following order:

  1. Prepare to move your source to the new compiler
  2. Take an inventory of your applications.
  3. Make application program updates.

Because of the loss of service support for older PL/I compilers, you should eventually move all of your PL/I source programs to the new compiler. Although this is not an immediate requirement, at some future date the older compilers and any supported fixes will not be available. At that point, you will be forced to do a 'quick' migration, and this might be a very inconvenient time.

Before you can move your source programs to the new compiler, you must move your applications to Language Environment.


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