On Thu, Apr 26, 2012 at 06:43, Dodji Seketeli <do...@seketeli.org> wrote:
> I guess it's also worth noting one limitation of PPHs that is, if I > believe the wiki: > > In essence, the only headers that can be pre-parsed are those that > produce the same result when they are compiled in isolation or as > part of another translation unit. So, header files that are affected > by pre-processor symbols defined before inclusion are not going to > be considered (e.g., stddef.h). > > [1]: http://gcc.gnu.org/wiki/pph#Scope_and_limitations > > How hard would it be to drop that limitation? It's an explicit non-goal, actually. If you relax this requirements, you might as well re-parse the header file. The work needed to make flexible PPH images will rob you of most/all the performance you were looking for. Diego.
