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Re: detecting when an option is not available
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: gcc-help at gcc dot gnu dot org
- Date: Tue, 12 Jun 2012 09:02:29 +0200
- Subject: Re: detecting when an option is not available
- References: <Pine.LNX.4.64.1206120015560.16674@grozny.maths.univ-evry.fr> <mcrfwa1gk4c.fsf@dhcp-172-18-216-180.mtv.corp.google.com>
Ian Lance Taylor <iant@google.com> 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@linux-m68k.org
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