A few changes for mingw port (not done yet)

luprex/cpp/drv/drvutil.cpp

@@ -9,6 +9,12 @@
 #include <string.h>
 #include <iostream>
 
+#if defined(_WIN32)
+#include <profileapi.h>
+#elif defined(__linux__)
+#include <time.h>
+#endif
+
 namespace drvutil {
 
 
@@ -198,7 +204,7 @@ void strerror_safe(int errnum, char errbuf[256]) {
     if (status != 0) {
         snprintf(errbuf, 256, "unknown errno %d", errnum);
     }
-);
+}
 
 #endif
 
@@ -252,7 +258,7 @@ std::string strerror_str(int errnum) {
             base_ = qpc();
         }
         double get() {
-            return (qpc() - base) * freq_;
+            return (qpc() - base_) * freq_;
         }
     };