From 1a886b635915445f5b1cc6a9c475cfbb2e7edb83 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Sun, 6 Nov 1994 23:33:55 +0000
Subject: [PATCH] (define_makeflags): Terminate properly when FLAGSTRING is
 empty.

---
 main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/main.c b/main.c
index 9c17a34..61b98a6 100644
--- a/main.c
+++ b/main.c
@@ -1781,6 +1781,8 @@ define_makeflags (all, makefile)
 	  p += sizeof ref - 1;
 	}
     }
+  else if (p == &flagstring[1])
+    --p;
   else if (p[-1] == '-')
     /* Kill the final space and dash.  */
     p -= 2;
-- 
2.7.4