diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f717f53193a..ce7abf95917 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* sparc/sol2.h: Include <sys/mman.h> when L_trampoline is defined.
+
 Mon Oct 29 19:22:07 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* reload1.c (eliminate_regs): Test for reg_renumber being allocated
diff --git a/gcc/config/sparc/sol2.h b/gcc/config/sparc/sol2.h
index ee7fa063b17..b5d3c9db0c7 100644
--- a/gcc/config/sparc/sol2.h
+++ b/gcc/config/sparc/sol2.h
@@ -259,6 +259,12 @@ Boston, MA 02111-1307, USA.  */
  *
  */
 
+/* This declares mprotect (used in TRANSFER_FROM_TRAMPOLINE) for
+   libgcc2.c.  */
+#ifdef L_trampoline
+#include <sys/mman.h>
+#endif
+
 #define TRANSFER_FROM_TRAMPOLINE					\
 static int need_enable_exec_stack;					\
 									\