🚀 go-pugleaf

In article <4gum81$hlk@netlab.cs.rpi.edu>
          nababs@qualcomm.com (Nasser Abbasi) wrote:

> In article <4gj0p3$lp0@solutions.solon.com>, tonyh@tcp.co.uk says...
> >
> >Does anyone know of a PD tool available with portable(ish) source for
> >removing surplus #include directives? For example:
> >
> >/* "file2.h" */
> >#include "file1.h"
> >
> >-------------------
> >
> >/* "file3.h" */
> >#include "file1.h"
> >#include "file2.h"
> >
> >-------------------
> >
> >#include "file1.h" could be removed from "file3.h". This sort of thing
> >saves a lot of compiler time without having the chore of typing:
> >
> >#ifndef __file1_h
> >#include "file1.h"
> >#endif
> >
> 
> So, you mean that in the future if you decide that file2.h do not
> need to include file1.h any more, you have to somehow remember 
> to go back to file3.h and add a line to include file1.h, since may
> be file3.h needs file1.h but file2.h do not need file1.h
> 
> Having to deal with these sort of things will most likley be not worth
> the effort. Also remember that all this work with including .h files
> is done by the pre-processor, not by the compiler itself.

I think I'm inclined to agree with you now, but I don't understand your
point about the work being done by the preprocessor, not the compiler.
I'll stick to surrounding each include with an #ifndef.

> I think you are trying to save few nanoseconds here from the 
> pre-processor time

It takes more than nanoseconds.

-- 
Tony Houghton                     tonyh@tcp.co.uk
Using an Acorn RiscPC 700         http://www.tcp.co.uk/~tonyh/
No Intel inside, no Microsoftware. A computer, not a cartel.
----------------------------------------------------------------
The Internet is a most invaluable resource for Internet software

      [ Articles to moderate: mailto:c++-submit@netlab.cs.rpi.edu ]
      [  Read the C++ FAQ: http://www.connobj.com/cpp/cppfaq.htm  ]
      [  Moderation policy: http://www.connobj.com/cpp/guide.htm  ]
      [      Comments? mailto:c++-request@netlab.cs.rpi.edu       ]