Instructs the compiler to report information on the progress of the compilation, names the programs being invoked within the compiler and the options being specified to each program. Information is displayed in a comma-separated list.
The -v option is overridden by the -# option.
To compile myprogram.c so you can watch the progress of the compilation and see messages that describe the progress of the compilation, the programs being invoked, and the options being specified, enter:
xlc myprogram.c -v