From c27e76aa2aa6dce1c5a0409ba97e2c7ef313aa33 Mon Sep 17 00:00:00 2001
From: Changming Xu <xcmhit@gmail.com>
Date: Thu, 3 Mar 2011 21:09:18 +0800
Subject: [PATCH] unlink outfile first

file mode problem if the outfile already exists
---
 tccelf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tccelf.c b/tccelf.c
index 8865d8a..a479a98 100644
--- a/tccelf.c
+++ b/tccelf.c
@@ -2086,6 +2086,7 @@ static int elf_output_file(TCCState *s1, const char *filename)
         mode = 0666;
     else
         mode = 0777;
+    unlink(filename);
     fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode); 
     if (fd < 0) {
         error_noabort("could not write '%s'", filename);