diff --git a/libgloss/ChangeLog b/libgloss/ChangeLog
index 0b3488bec..9027a2c43 100644
--- a/libgloss/ChangeLog
+++ b/libgloss/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-15  Bernardo Innocenti  <bernie@develer.com>
+
+	* m68k/sim-funcs.c (_XOPEN_SOURCE): Define to get the pid_t
+	typedef from <unistd.h>.
+
 2003-08-26  Jason Merrill  <jason@redhat.com>
 
 	* sparc/elfsim.ld: Fix __EH_FRAME_BEGIN__ definition.
diff --git a/libgloss/m68k/sim-funcs.c b/libgloss/m68k/sim-funcs.c
index a4b14ca1a..712c566b2 100644
--- a/libgloss/m68k/sim-funcs.c
+++ b/libgloss/m68k/sim-funcs.c
@@ -13,6 +13,7 @@
  * they apply.
  */
 
+#define _XOPEN_SOURCE
 #include <unistd.h>
 
 int