On Tue, Nov 27, 2012 at 4:11 PM, Chris Lattner <clatt...@apple.com> wrote: > > On Nov 27, 2012, at 3:32 PM, Eric Botcazou <ebotca...@adacore.com> wrote: > >>> I admit that I'm partly fishing here, but my proposal is based on the >>> following: >>> >>> * The implementation of PCH in GCC is atrocious and hard to maintain. >>> * The next C++ standard is likely to define modules >>> (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3347.pdf) >>> * The user-base for PCH is negligibly small (here's where I'm mostly >>> guessing). * PCH is absolutely useless for C. >>> >>> Removing PCH will give us more implementation freedom for the memory >>> management project >>> (http://gcc.gnu.org/wiki/cxx-conversion/gc-alternatives). >> >> One of the arguments put forward to advocate the transition to C++ was the >> competition. Where do the other compilers stand when it comes to PCHs? >
> Clang has fantastic support for PCH... and soon modules. Are they sharing some implementations? David >We don't plan to drop PCH support when modules is implemented. > > -Chris
