/* #define CANNOT_DUMP */
-/* Define VIRT_ADDR_VARIES if the virtual addresses of
- pure and impure space as loaded can vary, and even their
- relative order cannot be relied on.
-
- Otherwise Emacs assumes that text space precedes data space,
- numerically. */
-
-/* #define VIRT_ADDR_VARIES */
-
-/* XEmacs: Richard Cognot <cognot@ensg.u-nancy.fr> says we need this for
- HPUX; but eeide@asylum.cs.utah.edu (Eric Eide) says it loses on BSD. */
-#ifndef BSD
+/* Let the OS header file determine this if not HPUX. */
+#ifdef HPUX
# define UNEXEC "unexhp9k3.o"
#endif