[C++] Use C++11's threading library again

It seems we can use it even for -static build with
-Wl,--whole-archive -lpthread -Wl,--no-whole-archive -ldl

1 files changed, 2 insertions, 2 deletions

diff --git a/ninja.cc b/ninja.cc
index 9d9ce78..4a5d014 100644
--- a/ninja.cc
+++ b/ninja.cc
@@ -569,7 +569,7 @@ class NinjaGenerator {
     if (use_local_pool)
       *o << " pool = local_pool\n";
     if (node->is_default_target) {
-      UniqueLock<Mutex> lock(mu_);
+      unique_lock<mutex> lock(mu_);
       default_target_ = node;
     }
   }
@@ -787,7 +787,7 @@ class NinjaGenerator {
   const double start_time_;
   vector<NinjaNode*> nodes_;
 
-  Mutex mu_;
+  mutex mu_;
   const DepNode* default_target_;
 };