Date: Sun, 29 Nov 2015 09:02:42 -0553.75 From: "William A. Mahaffey III" <wam@hiwaay.net> To: freebsd-questions@freebsd.org Subject: Re: gcc macros Message-ID: <565B1248.80509@hiwaay.net> In-Reply-To: <565AD143.8040301@FreeBSD.org> References: <565A73C6.4090306@hiwaay.net> <565AD143.8040301@FreeBSD.org>
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On 11/29/15 04:26, Matthew Seaman wrote:
> On 29/11/2015 03:39, William A. Mahaffey III wrote:
>> I use the Intel compiler suite (icc & ifort) to maintain some inhouse
>> code under Linux. The man pages for icc clearly list all macros defined
>> &/or used by icc in one neat section. I have yet to locate such a
>> listing for macros under gcc's under FreeBSD 9.3R (gcc48, gcc49 & gcc5).
>> Is there such a listing documented somewhere, & if so where ? TIA & have
>> a good one ....
> Try:
>
> cc -dM -E - < /dev/null
>
> which will print all of the pre-processor definitions used by the
> compiler. You can add other flags like eg. --std=c89 if you like.
>
> Cheers,
>
> Matthew
*Booooyah*, worked like a champ, *thanks* :-) !!!!
--
William A. Mahaffey III
----------------------------------------------------------------------
"The M1 Garand is without doubt the finest implement of war
ever devised by man."
-- Gen. George S. Patton Jr.
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