diff --git a/src/testlib/3rdparty/cycle/cycle_p.h b/src/testlib/3rdparty/cycle/cycle_p.h
index eb81ca1444..617ac107b6 100644
--- a/src/testlib/3rdparty/cycle/cycle_p.h
+++ b/src/testlib/3rdparty/cycle/cycle_p.h
@@ -190,6 +190,7 @@ INLINE_ELAPSED(__inline__)
 #endif
 
 /* Visual C++ -- thanks to Morten Nissov for his help with this */
+#ifdef _MSC_VER
 #if _MSC_VER >= 1200 && _M_IX86 >= 500 && !defined(HAVE_TICK_COUNTER)
 #include <windows.h>
 typedef LARGE_INTEGER CycleCounterTicks;
@@ -215,6 +216,7 @@ static __inline double elapsed(CycleCounterTicks t1, CycleCounterTicks t0)
 #define HAVE_TICK_COUNTER
 #define TIME_MIN 5000.0   /* unreliable pentium IV cycle counter */
 #endif
+#endif // _MSC_VER
 
 /*----------------------------------------------------------------*/
 /*
@@ -251,6 +253,7 @@ INLINE_ELAPSED(__inline__)
 #endif
 
 /* Visual C++, courtesy of Dirk Michaelis */
+#ifdef _MSC_VER
 #if _MSC_VER >= 1400 && (defined(_M_AMD64) || defined(_M_X64)) && !defined(HAVE_TICK_COUNTER)
 
 #include <intrin.h>
@@ -262,6 +265,7 @@ INLINE_ELAPSED(__inline)
 #define HAVE_TICK_COUNTER
 #define TIME_MIN 5000.0
 #endif
+#endif // _MSC_VER
 
 /*----------------------------------------------------------------*/
 /*