From 947ec5cdb27abb17be045660729ff280e239cf0e Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Thu, 17 Nov 2016 18:29:35 +1100
Subject: [PATCH] stringid: remove explicit synchronisation

It is more appropriate to synchronise externally, and it simplifies
building across mingw which lacks std::mutex and friends.
---
 stringid.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/stringid.cpp b/stringid.cpp
index f38c2d61..fad528d5 100644
--- a/stringid.cpp
+++ b/stringid.cpp
@@ -17,7 +17,6 @@
 #include "stringid.hpp"
 
 #include <stdexcept>
-#include <mutex>
 
 using util::stringid;
 
@@ -29,9 +28,6 @@ stringid::add (const std::string key) {
     if (pos != m_map.end ())
         throw std::invalid_argument ("duplicate stringid key");
 
-    static std::mutex s_lock;
-    std::lock_guard<std::mutex> guard (s_lock);
-
     id_t id = m_map.size ();
     m_map[key] = id;
     return id;