error C2065: 'TIME_UTC' : undeclared identifier

boost_1_55_0\boost\threadpool\task_adaptors.hpp(138) : error C2065: 'TIME_UTC' : undeclared identifier

boost_1_55_0   version

threadpool-0_2_5   version

解决办法：(This patch fixes compilation)

--- dependencies/threadpool/include/threadpool/task_adaptors.hpp
+++ dependencies/threadpool/include/threadpool/task_adaptors.hpp
@@ -135,7 +135,11 @@
         if(m_break_s > 0 || m_break_ns > 0)
         { // Sleep some time before first execution
           xtime xt;
+#if BOOST_VERSION >= 105000
+          xtime_get(&xt, TIME_UTC_);
+#else
           xtime_get(&xt, TIME_UTC);
+#endif
           xt.nsec += m_break_ns;
           xt.sec += m_break_s;
           thread::sleep(xt); 
@@ -146,7 +150,11 @@
           if(m_break_s > 0 || m_break_ns > 0)
           {
             xtime xt;
+#if BOOST_VERSION >= 105000
+            xtime_get(&xt, TIME_UTC_);
+#else
             xtime_get(&xt, TIME_UTC);
+#endif
             xt.nsec += m_break_ns;
             xt.sec += m_break_s;
             thread::sleep(xt);

参考：https://github.com/vpython/visual/issues/3