Dimitry Andric: When using libc++ headers on FreeBSD, in combination with -std=c++98,

-ansi or -std=c++03, the long long type is not supported.  So in this
case, several functions and types, like lldiv_t, strtoll(), are not
declared.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@168610 91177308-0d34-0410-b5e6-96231b3b80d8

include/cwchar

@@ -151,9 +151,13 @@ using ::wcstof;
 using ::wcstold;
 #endif // _MSC_VER
 using ::wcstol;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoll;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoul;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoull;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::wcscpy;
 using ::wcsncpy;
 using ::wcscat;