Resolve "Fix: MSVC2017 32 bits build"

Closes #142 (closed)

cmake-modules/FindThirdPartyPThread.cmake

@@ -23,7 +23,10 @@ IF(WIN32)
 		TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${WS232_LIB})
 		TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${PTHREAD_LIB})
 		INSTALL(PROGRAMS "${PTHREAD_DLL}" DESTINATION ${DIST_BINDIR})			
-		ADD_DEFINITIONS(-DTARGET_HAS_PThread)	
+		ADD_DEFINITIONS(-DTARGET_HAS_PThread)
+		if (MSVC_VERSION GREATER_EQUAL 1900)
+			ADD_DEFINITIONS("-DHAVE_STRUCT_TIMESPEC") # Avoid Pthread to redefine timespec
+		endif()
 	ELSE()
 		OV_PRINT(OV_PRINTED "  FAILED to find PThreads")
 	ENDIF()