OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Cannot compile the examples using “make” with Cygwin (no object file) › Re: Cannot compile the examples using “make” with Cygwin (no object file) June 14, 2016 at 5:52 pm #2377 mathiasKeymaster Googeling I found that someone solved it by putting “”#include <sys/time.h>”” also in the “”timer.hh”” file. Best Mathiasrn