On 7 June 2011 19:40, Syed Bilal Mehdi wrote: > > And when I do add -lgfortran as external library, the build goes successful > but I get the following error during runtime > > ./test: error while loading shared libraries: libgfortran.so.3: cannot open > shared object file: No such file or directory See http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.how_to_set_paths and the page it links to. That is talking about the C++ runtime library but the same rules apply to the other GCC runtime libraries. > Is it a bug again? or am I missing something this time? and why is fortran > important here? I think libquadmath was added for gfortran and I assume it has a dependency on it.