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From: Alexander Monakov <amonakov@ispras.ru>
To: Xi Ruoyao <xry111@mengyan1223.wang>
Cc: Peng Yu <pengyu.ut@gmail.com>,
	    "gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: How to just print the output for -H without output anything else?
Date: Fri, 04 Jan 2019 08:42:00 -0000	[thread overview]
Message-ID: <alpine.LNX.2.20.13.1901041140360.30970@monopod.intra.ispras.ru> (raw)
In-Reply-To: <d9f95bc4c144ea1cc80ac72b7ad74ade7af91134.camel@mengyan1223.wang>

On Fri, 4 Jan 2019, Xi Ruoyao wrote:

> On 2019-01-03 21:18 -0600, Peng Yu wrote:
> > > A "-c" option would work.
> > 
> > This still generates the .o file. Is there an option that disable all
> > the side effect but just print the header info as -H?
> 
> Maybe "-E -o /dev/null"?  Use "-E" instead of "-c" so the compiler and
> assembler will not run, and "-o /dev/null" to throw the result
> (preprocessed code).

There's also -fsyntax-only, but it does more work compared to -E -o/dev/null.

Alexander

  reply	other threads:[~2019-01-04  8:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-04  2:21 Peng Yu
2019-01-04  2:41 ` Xi Ruoyao
2019-01-04  3:19   ` Peng Yu
2019-01-04  6:42     ` Xi Ruoyao
2019-01-04  8:42       ` Alexander Monakov [this message]
2019-01-04 15:26       ` Peng Yu
2019-01-04 15:28         ` Jonathan Wakely
2019-01-04 15:32           ` Peng Yu
2019-01-04 15:33             ` Jonathan Wakely
2019-01-04 16:46               ` Peng Yu

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