> /usr/lib/libnss_hesiod.so: undefined reference to `__GI__nss_files_parse_servent' > /usr/lib/libnss_hesiod.so: undefined reference to `__GI__nss_files_parse_protoent' This means that some code linked into libnss_hesiod.so was compiled for libnss_files. Find the object files with reference.