diff --git a/gcc/config/pa/pa-hpux.h b/gcc/config/pa/pa-hpux.h
index a850d2db084..5cf7d8b8be1 100644
--- a/gcc/config/pa/pa-hpux.h
+++ b/gcc/config/pa/pa-hpux.h
@@ -12,3 +12,5 @@
 /* Control how gcc finds libgcc.a and how it passes -L options.  */
 #define LINK_LIBGCC_SPECIAL
 #define RELATIVE_PREFIX_NOT_LINKDIR
+
+#define HAVE_ATEXIT