gcc version egcs-2.90.25 980302 (egcs-1.0.2 prerelease) alpha-dec-osf4.0a There is an error in /usr/local/include/g++/iomanip.h:167 and /usr/local/include/g++/stl_iterator.h:128 when compiling with - -freg-struct-return option. M. Grundmann