Re: detecting when an option is not available

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Ian Lance Taylor <iant@xxxxxxxxxx> writes:

> The trick to find out if a -Wno- option is supported is to force a
> compiler error.  E.g.,

The trick to find out if a -Wno- option is supported is to check if the
positive form is accepted.  See ACX_PROG_CC_WARNING_OPTS.

Andreas.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
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