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Re: Should warnings be issued for unrecognised pragmas ?
- To: jbuck at synopsys dot com
- Subject: Re: Should warnings be issued for unrecognised pragmas ?
- From: Nick Clifton <nickc at cygnus dot com>
- Date: Mon, 20 Oct 1997 10:34:54 -0700
- CC: egcs at cygnus dot com
> From: Joe Buck <jbuck@synopsys.com>
> Date: Sat, 18 Oct 97 12:55:55 PDT
>
> Because large numbers of people use -Wall all the time on every build,
> no warning should be added to -Wall that cannot be suppressed without
> making the code worse. Since it's easy to supress compiler-specific
> pragmas belonging to other compilers with #ifdef __Green_Hills__ or
> the like, I don't care in this case whether -Wall objects or not.
> So -Wunrecognized_pragmas could be in -Wall. On the other hand,
> some of the "Effective C++" warnings can't be suppressed without
> making some classes needlessly larger, so they can't be in -Wall.
>
Can you tell me what these pragmas are, then I can make sure that the
patch will not generate warnings for them. I assume that it is OK for
GCC to ignore these pragmas ?
Nick