Cathal Curtis

I'm 7.5yrs late to this post, but I've recently come across the same problem trying to get CppUnit up and running using Cygwin on Win10. The short answer is: before using CPPUNIT_TEST_SUITE_REGISTRATION I had to: #include <cppunit/Portability.h> I put it in my test.cpp file just before I included test.h My explanation is as follows: If you #include <cppunit/extensions/HelperMacros.h> and if you follow the files included within HelperMacros.h, you will include a file called cppunit/Portability.h....