detecting when an option is not available

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To: gcc-help@xxxxxxxxxxx
Subject: detecting when an option is not available
From: Vincent Torri <vtorri@xxxxxxxxxxxx>
Date: Tue, 12 Jun 2012 07:49:37 +0200 (CEST)
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Hello,

I would like to know if there is a way to know if a warning option like-Wno-initializer-overrides is supported or not by gcc. My purpose is to writean m4 macro that checks if an option is supported or not by a compiler.


thank you

Vincent Torri

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