# depend on `.', always an invalid library.  This was fixed in    # development snapshots of GCC prior to 3.0.    case $host_os in      aix4 | aix4.[[01]] | aix4.[[01]].*)      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'	   echo ' yes '	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then	:      else	can_build_shared=no      fi      ;;    esac    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct    # soname into executable. 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