error: Architecture is not included: i586

Mai_520

linux:/share/unh_iscsi.1.7.00/src # make rpm
rm -rf .tmp_versions
rm -f initiator/version.h
make -C cmd clean
make[1]: Entering directory `/share/unh_iscsi.1.7.00/src/cmd'
rm -f *.o iscsi_manage iscsi_config parse iscsi_test scsi_disk_file_*
make[1]: Leaving directory `/share/unh_iscsi.1.7.00/src/cmd'
rm -f *.mod.c .*cmd
tar cf /usr/src/redhat/SOURCES/unh_iscsi.tar  .
gzip -f /usr/src/redhat/SOURCES/unh_iscsi.tar
rpmbuild -ba unh_iscsi.specfile
error: Architecture is not included: i586
make: *** [rpm] Error 1

安装unh_iscsi时出现下面的错误，大家有没有遇到过？
我的环境是:
suse9.3
kernel 2.6.11
RPM version 4.1.1