Re: ndtbl.cxx unused?

Hi,

Quoting David Tardon <dtardon@redhat.com>:

> Hi,
>
> On Tue, Oct 23, 2012 at 10:05:48AM +0200, Miklos Vajna wrote:
> > Hi David,
> >
> > On Tue, Oct 23, 2012 at 07:01:36AM +0200, David Tardon  
> > <dtardon@redhat.com> wrote:
> > > If a source file really contained only unused functions, it would likely
> > > have been found (and removed) with the help of callcatcher. Of course,
> > > that would not help if the source were not compiled at all (and we found
> > > such files on several occasions in the past)... I wonder if it would be
> > > possible to construct a (more or less) complete list of used source tree
> > > files from make dependencies; something that could be scripted and run
> > > periodically to ensure we are not accumulating unused cruft...
> >
> > Not so easy, I think -- all OSX/Win-specific files are unused in a Linux
> > build, for example...
>
> That is why I wrote "possible", not "easy" .-)

Often the not easy problems are the most interesting ;-)
Typical distributed process with three steps here:

* first run it on all our main platforms (android, ios, macosx, mingw,  
win32, win64 (yes, we have x64 shell extensions), linux32, linux64)
* combine the results
* compare against source tree

Regards
David