Aaron Patton wrote: > I've tried exporting LD_LIBRARY_PATH to the mingw/lib. I've tried adding LD_LIBRARY_PATH is not applicable to MinGW. > the -Wl, -brtl flag (I'm not sure it I did correctly -- It kept saying > that it did not recognize the -brtl option) > Anyways, I've run out of ideas. I'm a beginner. So go easy on me. Since you are linking C++ (by way of ChanIO.o in libiolib.a) you should be using the g++ binary to link, not gfortran. This will add the necessary options. You should never have to specify -lstdc++ yourself, the driver is responsible for that. (The problem you are seeing is that -lstdc++ itself requires -lsupc++ which you are not providing, but again these are not things the user should be providing.) Also note that "-Wl" by itself does nothing, it is meant to be used in conjunction with another option as it tells the driver to pass that option on to the linker. Brian
