From 591952787f8df95fc1cba56cb4710185d437a761 Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Wed, 20 Apr 2011 11:32:39 +0900
Subject: [PATCH] chrono.cpp: suppress clock_gettime()

---
 src/chrono.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/chrono.cpp b/src/chrono.cpp
index c3714208..40e78ff6 100644
--- a/src/chrono.cpp
+++ b/src/chrono.cpp
@@ -116,10 +116,16 @@ steady_clock::now()
 steady_clock::time_point
 steady_clock::now()
 {
+#ifdef __MINGW32__
+    timeval tv;
+    gettimeofday(&tv, 0);
+    return time_point(seconds(tv.tv_sec) + microseconds(tv.tv_usec));
+#else
     struct timespec tp;
     if (0 != clock_gettime(CLOCK_MONOTONIC, &tp))
         __throw_system_error(errno, "clock_gettime(CLOCK_MONOTONIC) failed");
     return time_point(seconds(tp.tv_sec) + nanoseconds(tp.tv_nsec));
+#endif
 }
 #endif  // __APPLE__