Description: Be sure to review the publication z/OS XL C/C++ Compiler and Runtime Migration Guide for the Application Programmer for any z/OS C/C++ migration actions. It is written for application programmers, whereas this publication (z/OS® Migration) is written for system programmers. In some customer locations, job scope can overlap such that system programmers might find information in the XL C/C++ publication that is relevant to their responsibilities. For example, migration information related to the c89 utility in the XL C/C++ publication could be of interest.
| Element or feature: | XL C/C++ |
| When change was introduced: | General migration action not tied to a specific release. |
| Applies to migration from: | z/OS V1R13 and z/OS V1R12. |
| Timing: | Before installing z/OS V2R1. |
| Is the migration action required? | No, but recommended if you use XL C/C++. |
| Target system hardware requirements: | None. |
| Target system software requirements: | None. |
| Other system (coexistence or fallback) requirements: | None. |
| Restrictions: | None. |
| System impacts: | None. |
| Related IBM® Health Checker for z/OS check: | None. |
Steps to take: Look through z/OS XL C/C++ Compiler and Runtime Migration Guide for the Application Programmer for migration information that is relevant to your installation.
Reference information: z/OS XL C/C++ Compiler and Runtime Migration Guide for the Application Programmer