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From: Ian Lance Taylor <iant@google.com>
To: Georg Lay <avr@gjlay.de>
Cc: gcc@gcc.gnu.org
Subject: Re: How to write a SPEC function that gets all arguments passed?
Date: Wed, 08 Sep 2010 00:23:00 -0000	[thread overview]
Message-ID: <mcreid5m6by.fsf@google.com> (raw)
In-Reply-To: <4C7FB183.1070008@gjlay.de> (Georg Lay's message of "Thu, 02 Sep	2010 16:15:31 +0200")

Georg Lay <avr@gjlay.de> writes:

> Moreover, there will be a problem because the C function that actually
> implements my_record_switches must return a string starting with '-',
> there is no way to return "" or NULL to indicate that the function won't
> produce anything.

I would consider writing something like
    -frecorded-gcc-switches=%(cc1_options)
to override the default behaviour.  It seems to me that it should be
possible to get to where you want, although it might be a little painful
to get it all correct.

Ian

      reply	other threads:[~2010-09-08  0:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-02 14:15 Georg Lay
2010-09-08  0:23 ` Ian Lance Taylor [this message]

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