On 11/12/2018 14:05, Dimitry Andric wrote: > head/contrib/libc++/include/type_traits > The change to the above named file breaks building any C++ code containing _Float16 with devel/llvm80-8.0.0.r2 (and probably later, but not 8.0.0.r1 or any earlier LLVM) on head (but not projects/clang800-import, obviously). Example error, from our own copy of LLVM libunwind:
--- libunwind.o --- In file included from /usr/src/contrib/llvm/projects/libunwind/src/libunwind.cpp:18: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/new:91: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/exception:83: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/type_traits:740:56: error: _Float16 is not supported on this target template <> struct __libcpp_is_floating_point<_Float16> : public true_type {}; ^ 1 error generated. *** [libunwind.o] Error code 1 Upstream LLVM has already reverted this: https://reviews.llvm.org/D53670 world builds successfully after applying the upstream revert. Ports that use the clang portion of devel/llvm80 when set in DEFAULT_VERSIONS, ie gecko@, also build successfully. -- Charlie Li Can't think of a witty .sigline today… (This email address is for mailing list use; replace local-part with vishwin for off-list communication if possible)
signature.asc
Description: OpenPGP digital signature