diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 0dc9c9f44..5e1d0e8db 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2006-01-09  Corinna Vinschen  <corinna@vinschen.de>
+
+	* include/getopt.h (getopt_long_only): Declare.
+
 2006-01-09  Eric Blake  <ebb9@byu.net>
 
 	* cygwin.din: Export getsubopt.
diff --git a/winsup/cygwin/include/getopt.h b/winsup/cygwin/include/getopt.h
index 1efff1ca1..0c1c8c92a 100644
--- a/winsup/cygwin/include/getopt.h
+++ b/winsup/cygwin/include/getopt.h
@@ -73,6 +73,8 @@ struct option {
 };
 
 int getopt_long (int, char *const *, const char *, const struct option *, int *);
+int getopt_long_only (int, char *const *, const char *, const struct option *, int *);
+
 #ifndef HAVE_DECL_GETOPT
 #define HAVE_DECL_GETOPT 1
 #endif