Re: contributing & bound-checks

["Frank Ch. Eigler" <fche at redhat dot com>]

Hi -

> > > [...]  I've looked to bound-checking projects/patches for gcc but
> > > couldnt find anything satisfactory for C++ [...]
> >
> > Mudflap works for C++ to some extent.  Have you tried it?
> 
> [...]
> because the latest cvs version doesnt work [...]

It actually works fine for me.

> and/or [whom] do I tell about:
> #gcc.latest --version
> gcc.latest (GCC) 3.5.0 20040626 (experimental)
> 
> #gcc.latest  -fmudflap -fbounds-checking -g -DDEBUG 
> -I/root/3ddev/roadgen/rv3d/ -I/root/3ddev/roadgen/xtc/ 
> -I/root/3ddev/roadgen/xtc/teASCII/ -I/root/3ddev/roadgen/xtc/lib/ 
> -I/root/3ddev/roadgen/xtc/lib386/ -I/root/3ddev/roadgen/xtc/ide/  -c -o 
> main.o main.cpp

The "-fbounds-checking" flag is not used with mudflap, however you
will need to add "-lmudflap" at the link stage.

> In file included from /root/3ddev/roadgen/xtc/lib/stack_ramlist.h:6,
>                  from /root/3ddev/roadgen/xtc/xtc.h:6,
>                  from /root/3ddev/roadgen/xtc/ide/config.h:5,
>                  from main.cpp:13:
> /root/3ddev/roadgen/xtc/lib/node.h: In member function `void 
> Node2D<DERIVEDTYPE>::Unlink()':
> /root/3ddev/roadgen/xtc/lib/node.h:153: error: `next' was not declared in this
> scope

This sounds like a problem in your code.  More recent versions of g++
perform more error checks than earlier versions.


- FChE

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