rpm as non root user

Hi,
   I'm trying to allow a non root user build rpms and having a bit of 
trouble.

created ~/.rpmmacros

%packager testlscsoft
%_topdir /home/testlscsoft
%_rpmtopdir /home/testlscsoft/usr/src/redhat
%_builddir /home/testlscsoft/usr/src/redhat/BUILD
%_rpmdir /home/testlscsoft/usr/src/redhat/RPMS
%_sourcedir /home/testlscsoft/usr/src/redhat/SOURCES
%_specdir /home/testlscsoft/usr/src/redhat/SPECS
%_srcrpmdir /home/testlscsoft/usr/src/redhat/SRPMS
%_tmppath /home/testlscsoft/usr/src/redhat/var/tmp
%_buildroot /home/testlscsoft/usr/src/redhat/var/tmp/%{name}-root


created dir structures

/home/testlscsoft
/home/testlscsoft/usr/src/redhat
/home/testlscsoft/usr/src/redhat/BUILD
/home/testlscsoft/usr/src/redhat/RPMS
/home/testlscsoft/usr/src/redhat/SOURCES
/home/testlscsoft/usr/src/redhat/SPECS
/home/testlscsoft/usr/src/redhat/SRPMS
/home/testlscsoft/usr/src/redhat/var/tmp


installed src rpm

rpm --root /home/testlscsoft/ -Uvh lscsoft-user-env-1.12-1.src.rpm


fails when running rpmbuild

rpmbuild --root /home/testlscsoft/ -ba /home/testlscsoft/usr/src/redhat/SPECS/lscsoft-user-env.spec
error: File /usr/src/redhat/SOURCES/lscsoft-user-env-1.12.tar.gz: No such file or directory


It seems to be ignoring the --root option and looking in the systems rpm 
directories.

Any thoughts/suggestions/remarks would be appreciated.

Thanks
Adam Miller