c++/7755: Please make -Wno-deprecated do just that

[H. Peter Anvin]

bangerth@dealii.org wrote:
> Synopsis: Please make -Wno-deprecated do just that
> 
> State-Changed-From-To: feedback->open
> State-Changed-By: bangerth
> State-Changed-When: Wed Jan  8 11:53:38 2003
> State-Changed-Why:
>     The documentation says that -Wno-deprecated is C++ only.
>     Starting with 3.3, the C front end does indeed reject this
>     flag, so I guess it erroneously just accepted it, but did
>     nothing.
>     
>     Compiling the code with the C++ front end yields errors
>     with 3.2.2 and 3.3, and is accepted with 3.4. I think it
>     should yield an error with 3.4 as well, since the C++
>     front end treated __FUNCTION__ differently from the 
>     beginning. I don't know why it does now.
>     
>     Since -Wno-deprecated is a C++ option, I change the category
>     of this report. Given the strange behavior above, shall I
>     also change the synopsis to something like "Incorrect
>     behavior of __FUNCTION__"?
>     

If -Wno-deprecated is not the right way to disable this warning, then
please do provide another flag to do so.  Not being able to selectively
squelsh this warning is a total showstopper for being able to use newer
gcc's for several projects.

Thanks,

	-hpa