[Ns-developers] Deprecated Attribute?

[Mathieu Lacage]

On Tue, 2008-07-22 at 21:14 +0100, Gustavo Carneiro wrote:
> 
> 
> 2008/7/22 Mathieu Lacage <mathieu.lacage at sophia.inria.fr>:
>         
>         On Tue, 2008-07-22 at 12:23 -0700, craigdo at ee.washington.edu
>         wrote:
>         > I've been trying to track down when the -Wno-error= feature
>         became available
>         > in gcc.  It is not in the gcc 4.1.2 manual.  It is in the
>         gcc 4.2.4 manual.
>         > The addition of the feature doesn't appear in the gcc 4.2
>         release series
>         > "changes, new features and fixes" documentation, though, but
>         I do find it in
>         > an old gcc 4.2.0 warning options page.
>         >
>         > I didn't get a reaction when I wrote this in another email;
>         but it does mean
>         > that the first time someone actually checks in a change
>         using the deprecated
>         
>         
>         We already use it.
>         
>         > attribute, we effectively set a requirement for gcc >= 4.2.0
>         on our builds.
>         
>         
>         We already (thanks gustavo) have logic in place to make the
>         DEPRECATED
>         macro a noop with gcc <= 4.1. See check_compilation_flag in
>         the
>         top-level wscript.
> 
> This is true.  But unless I missed something, the code checks if the
> -Wno-error=... option can be used, but doesn't make DEPRECATED a noop
> if it cannot be used.  If that is the desired behaviour (and I think
> it is) then some more simple work is needed on top of that.  I
> volunteer to take care of it.

I would not mind but I just realized that I don't understand why we are
using that flag. Why are we actually using
-Wno-error=deprecated-declarations ?

Mathieu