11.10. Porting Applications
When moving an application from one type of system to another, use the following procedure to phase in the types of optimization that are most effective:
1. | Develop, port, and debug the application without optimization. |
2. | Use the migration and warning options to flag any potential source issues. The +M option will flag migration warnings. An option of 0 to +M flags K&R C to ANSI migration issues, a 1 option flags PA-RISC to Itanium migration issues, and a 2 option flags 64-bit migration issues. The +w option will turn on all compiler warnings, which can be very useful to detect subtle bugs that may occur in code. |
3. | Be aware that all HP-UX systems (PA-RISC and Itanium) are big endian, which means that numbers in memory ... |
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