Sir, I am working with windows 8 (64 bit). After configuring successfully,following the export step ./configure --prefix=/home/hirak/mpich-install --enable-timer-type=gettimeofday CC="gcc-4" CPP="cpp-4" CXX="g++-4" CXXCPP="cpp-4" 2>&1 | tee c.txt I am getting the error repeatedly function 'MPIX_Grequest_class_allocate' part of alias cycle. The text file is attached herewith. Plz help. Hirak -- *Hirak Chatterjee <https://www.facebook.com/hirakc1>* *Research ScholarDepartment of ChemistryAssam University, SilcharAssam-788011INDIAPhone No: +918486882543 (ASSAM) +919475265107 (WEST BENGAL)* _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss