gcc 4.6 for package monkeys

[Garrett Holmstrom]

On 1/28/2011 0:11, Jakub Jelinek wrote:
> Care to share details?  Of course there were many changes in the C++ FE,
> especially for C++0x, and maybe some warnings changed into errors, but
> nothing I'd describe as a lot.  We haven't still written
> http://gcc.gnu.org/gcc-4.6/porting_to.html so if you have interesting
> info about changes that affect a lot of packages, details would be certainly
> welcome.  The STL changes not to include<cstddef>  internally is certainly
> one thing that will be added there.

If it helps anyone, the most pervasive problem I have seen is code that 
assumes that NULL is part of the C++ language rather than the C++ 
standard library, and thus fails to include cstdlib.  This can result in 
compilation failure because NULL is never defined.