-cp -r Release/* $RPM_BUILD_ROOT%{_datadir}/54321
-install %{SOURCE2} $RPM_BUILD_ROOT%{_bindir}
-mv $RPM_BUILD_ROOT%{_bindir}/54321-exec $RPM_BUILD_ROOT%{_bindir}/54321
+cp -r Release/data $RPM_BUILD_ROOT%{_datadir}/54321
+# hack to preserve %{_datadir} arch-independent
+install Release/bin/Linux/54321 $RPM_BUILD_ROOT%{_libdir}/54321
+cat > $RPM_BUILD_ROOT%{_bindir}/54321 <<EOF
+#!/bin/sh
+cd /usr/share/54321/bin/Linux && exec %{_libdir}/54321/54321 \$*
+EOF