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-O (optimize output file) linker option

To: "'crossgcc at sources dot redhat dot com'" <crossgcc at sources dot redhat dot com>
Subject: -O (optimize output file) linker option
From: "GERASIMOV,SERGEY (HP-Roseville,ex1)" <sergey_gerasimov at hp dot com>
Date: Fri, 3 Aug 2001 12:56:03 -0400

Hello,

I have found that there is an -O 'optimize output file' option for the gnu
linker, however, I am having hard time figuring out exact purpose and how it
is being used.

Is it something that eliminates unreferenced code from the final image?  I
know there are some linkers that do that (HPUX).  Does anybody have any
idea?

Thank you,
Sergey

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