-/* Run-time target specifications */
-#define CPP_PREDEFINES "-D__unix__ -D__OpenBSD__ \
- -Asystem=unix -Asystem=bsd -Asystem=OpenBSD"
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__unix__"); \
+ builtin_define ("__OpenBSD__"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=bsd"); \
+ builtin_assert ("system=OpenBSD"); \
+ } \
+ while (0)