but has no obvious fix for it. */
#define BROKEN_LARGE_ALLOCA
-#define HAVE_STRSTR
+/* SunOS 4.x has memory mapped files. */
+
+#define HAVE_MMAP
+
+/* If you expect to use the mmalloc package to obtain mapped symbol files,
+ for now you have to specify some parameters that determine how gdb places
+ the mappings in it's address space. See the comments in map_to_address()
+ for details. This is expected to only be a short term solution. Yes it
+ is a kludge.
+ FIXME: Make this more automatic. */
+
+#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */
+#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
+
+/* Prevent type conflicts between yacc malloc decls and defs.h */
+#define MALLOC_INCOMPATIBLE
+extern char *malloc();
+extern char *realloc();
+extern void free();