-/* Run-time target specifications. */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__unix__ -D__sparc__ -D__sparc64__ -D__sparcv9__ -D__sparc_v9__ -D__arch64__ -D__ELF__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(sparc) -Amachine(sparc)"
+/* Target OS builtins. */
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__unix__"); \
+ builtin_define ("__OpenBSD__"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=OpenBSD"); \
+ builtin_define ("__sparc64__"); \
+ builtin_define ("__sparcv9__"); \
+ builtin_define ("__sparc_v9__"); \
+ builtin_define ("__arch64__"); \
+ } \
+ while (0)