diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7479c44d0a..a35fe68c8c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2002-12-02  J. Brobecker  <brobecker@gnat.com>
+
+	* config/powerpc/aix432.mh (NATDEPFILES): Add a comment explaining
+	why aix-thread.o is not listed.
+
 2002-12-01  Andrew Cagney  <ac131313@redhat.com>
 
 	* gdbarch.sh (DEPRECATED_PC_IN_CALL_DUMMY): Rename
diff --git a/gdb/config/powerpc/aix432.mh b/gdb/config/powerpc/aix432.mh
index f69e61a2ec..fc7a8b18e2 100644
--- a/gdb/config/powerpc/aix432.mh
+++ b/gdb/config/powerpc/aix432.mh
@@ -3,6 +3,8 @@
 XM_FILE= xm-aix.h
 
 NAT_FILE= nm-aix.h
+
+# aix-thread.o is not listed in NATDEPFILES as it is pulled in by configure.
 NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o \
 	     rs6000-nat.o xcoffread.o xcoffsolib.o