From 18194b1ae44c64ce5353dd51bebc8f04c3edae13 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sun, 10 Jun 2018 13:33:30 +0200
Subject: [PATCH] mescc: Support binutils-2.30: fopen fix.

* lib/libc+tcc.c (fopen): Set O_APPEND for 'a'.
---
 lib/libc+tcc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/libc+tcc.c b/lib/libc+tcc.c
index 8355f236..3e41df30 100644
--- a/lib/libc+tcc.c
+++ b/lib/libc+tcc.c
@@ -210,9 +210,10 @@ fopen (char const *file_name, char const *opentype)
   if ((opentype[0] == 'a' || !strcmp (opentype, "r+"))
       && !access (file_name, O_RDONLY))
     {
-      fd = open (file_name, O_RDWR, mode);
+      int flags = O_RDWR;
       if (opentype[0] == 'a')
-        lseek (fd, 0, SEEK_END);
+        flags |= O_APPEND;
+      fd = open (file_name, flags, mode);
     }
   else if (opentype[0] == 'w' || opentype[0] == 'a' || !strcmp (opentype, "r+"))
     {