In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxxabi/src/stdlib_typeinfo.cpp:9: In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/typeinfo:63: In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/exception:83: In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/cstdlib:85: /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/stdlib.h:142:34: error: unknown type name 'ldiv_t' inline _LIBCPP_INLINE_VISIBILITY ldiv_t div(long __x, long __y) _NOEXCEPT { ^ /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/stdlib.h:143:12: error: no member named 'ldiv' in the global namespace return ::ldiv(__x, __y); ~~^ /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/stdlib.h:146:34: error: unknown type name 'lldiv_t' inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x, ^ /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/stdlib.h:148:12: error: no member named 'lldiv' in the global namespace return ::lldiv(__x, __y); ~~^ In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxxabi/src/stdlib_typeinfo.cpp:9: /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/typeinfo:237:13: error: reference to unresolved using declaration typedef uintptr_t __type_name_t; ^ /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/cstdint:183:1: note: using declaration annotated with 'using_if_exists' here using ::uintptr_t _LIBCPP_USING_IF_EXISTS; ^ In file included from /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxxabi/src/stdlib_typeinfo.cpp:9: /usr/src/gnu/lib/libcxxabi/../../../gnu/llvm/libcxx/include/typeinfo:246:14: error: cast from pointer to smaller type '__type_name_t' (aka 'int') loses information return reinterpret_cast<__type_name_t>(__v); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 6 errors generated.