On Fri, Apr 1, 2016 at 6:43 PM, Douglas Yung < douglas_y...@playstation.sony.com> wrote:
> dyung added a comment. > > In http://reviews.llvm.org/D18708#390166, @rsmith wrote: > > > In http://reviews.llvm.org/D18708#390150, @dyung wrote: > > > > > From my understanding, there are 2 issues that block us. The first is > that we currently do not ship all of the header files for C11. The second > is that we do not yet fully have C11 library support yet for our platform. > > > > > > How do things go wrong if Clang is used in C11 mode against a C99 > library? Do you have code that conditionally uses C11 library features if > they're available? (And thanks for explaining, by the way; this is useful > information for when we next consider changing the default language mode -- > we'll likely be changing the default C++ language mode soon.) > > > > Anyway, it seems reasonable for the PS4 toolchain to control its > defaults here, and the patch itself LGTM. > > > My understanding is that we currently do not ship all of the headers > required for C11, so if users tried to use anything from those, they would > be unable to do so. I am also under the impression that C11 requires some > library support which we do not yet provide. OK, but why is it a problem for the compiler's C11 mode to be enabled? I'm guessing that something somewhere has code like #if __STDC_VERSION__ >= 201112L #include <some_c11_header.h> #endif Is that the problem? If not, what? Is our C11 mode rejecting valid C99 code somehow?
_______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
