gcc detect multiple -o passed on one command line

[Ian Lance Taylor]

Jon Grant <jg@jguk.org> writes:

> Is it expected that more than one -o option should be allowed by GCC
> on command line? The later -o option overriding earlier.

Yes, this is expected.  Most Unix utilities behave that way: when an
option with an argument is specified twice, and it only makes sense to
specify it once, then the option argument which comes last is used.

Ian