Should I worry about "make test" not passing ... /opt/csw/bin/g++-5.5 -m64 -Wall prc/test.cc -o test Use make check, not make test. John: I think make test should be explicitly defined as a synonym for check, or a no-op. Right now it tries to compile prc/test.cc into a "test" binary due to your use of vpath and make's default rules ... -k