matthew at FreeBSD.org
Sun Nov 29 10:20:05 UTC 2015
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 ....
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.
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