+/* Default C library spec. */
+#undef LIB_SPEC
+#define LIB_SPEC "%{pthread:-lpthread} %{pg|p|profile:-lc_p;:-lc}"
+
+#undef GNU_USER_TARGET_OS_CPP_BUILTINS
+#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define ("__gnu_hurd__"); \
+ builtin_define ("__GNU__"); \
+ builtin_define_std ("unix"); \
+ builtin_define_std ("MACH"); \
+ builtin_assert ("system=gnu"); \
+ builtin_assert ("system=mach"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=posix"); \
+ } while (0)