cc (make.conf and make args precedence) question

Robin Schoonover end at
Fri Nov 14 07:05:45 PST 2003

On Sat, 15 Nov 2003 14:36:40 +0200, Ion-Mihai Tetcu <itetcu at>
> Now what flag have precedence, -O2 or -O3 ?

>From the gcc man page (and yes, cc is really just gcc):
"If  you  use multiple -O options, with or without level
numbers, the last such option is the one that is effective."

In other words, -O3 in this case because it is the last one.

Robin Schoonover (aka End)
#      Calvin and Hobbes (Bill Watterson)        "The surest sign that
#      intelligent life exists elsewhere in the universe is that it has
#      never tried to contact us."

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