Compile-time migration issues with OS/390 programs
When you compile programs that were previously compiled with an OS/390® compiler and library, be aware of the following migration issues:
Changes in compiler listings and messages
Changes in compiler options
Changes in IBM data set names
Introduction of 1998 Standard C++ support
Changes that affect performance and optimization
Removal of Model Tool support
Changes in compiler listings and messages
Changes in compiler options
Changes in IBM data set names
Introduction of 1998 Standard C++ support
Changes that affect performance and optimization
Changes that affect customized JCL procedures
Removal of Model Tool support
Parent topic:
Migration of OS/390 C/C++ applications to z/OS V2R2 XL C/C++