From 5d03a85eaa10804243686acdd1e5fd6a71831176 Mon Sep 17 00:00:00 2001
From: Mostyn Bramley-Moore <mostynb@opera.com>
Date: Tue, 7 Jan 2014 10:33:09 +0100
Subject: don't Fail if trying to mkdir when the dir already exists

---
 src/disk_interface.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/disk_interface.cc b/src/disk_interface.cc
index 3233144..090e94e 100644
--- a/src/disk_interface.cc
+++ b/src/disk_interface.cc
@@ -146,6 +146,9 @@ bool RealDiskInterface::WriteFile(const string& path, const string& contents) {
 
 bool RealDiskInterface::MakeDir(const string& path) {
   if (::MakeDir(path) < 0) {
+    if (errno == EEXIST) {
+      return true;
+    }
     Error("mkdir(%s): %s", path.c_str(), strerror(errno));
     return false;
   }
-- 
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