diff --git a/gdb/config/sparc/tm-sun4sol2.h b/gdb/config/sparc/tm-sun4sol2.h
index ebc83f6d3f3..4ea328e81e2 100644
--- a/gdb/config/sparc/tm-sun4sol2.h
+++ b/gdb/config/sparc/tm-sun4sol2.h
@@ -64,3 +64,6 @@ get_longjmp_target PARAMS ((CORE_ADDR *));
 #define N_SO_ADDRESS_MAYBE_MISSING
 
 #define FAULTED_USE_SIGINFO
+
+/* Enable handling of shared libraries for a.out executables.  */
+#define HANDLE_SVR4_EXEC_EMULATORS