#undef TARGET_OS
#undef TARGET_VENDOR
+/* Sometimes the system header files don't declare strstr. */
+#undef NEED_DECLARATION_STRSTR
+
/* Sometimes the system header files don't declare malloc and realloc. */
#undef NEED_DECLARATION_MALLOC
/* Sometimes the system header files don't declare free. */
#undef NEED_DECLARATION_FREE
+/* Sometimes the system header files don't declare sbrk. */
+#undef NEED_DECLARATION_SBRK
+
/* Sometimes errno.h doesn't declare errno itself. */
#undef NEED_DECLARATION_ERRNO