No-prototype warning wanted from xlc

[Kai Ng]

Hi,

I wonder if one can instruct the xlc compiler to issue a warning message
whenever a function is used but not prototyped. Other ANSI C compilers
I've used before generate such warning unless explicitly suppressed.
However xlc seems happy with that.

Have I overlooked any option on the man page?

Thanks in advance.

...Kai

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Kai S. Ng                     Informatics, National Research Council Canada
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