-install -d $RPM_BUILD_ROOT{/bin,%{_mandir}/man1}
-install dar $RPM_BUILD_ROOT/bin
-install dar_xform $RPM_BUILD_ROOT/bin
-install dar_slave $RPM_BUILD_ROOT/bin
-install *.1 $RPM_BUILD_ROOT%{_mandir}/man1
+%{?_with_static:install -d $RPM_BUILD_ROOT/bin}
+
+%{__make} install \
+%if %{?_with_static:1}0
+ BUILD_STATIC=\"yes\" \
+%else
+ BUILD_STATIC=\"no\" \
+%endif
+ INSTALL=install \
+ INSTALL_ROOT_DIR=$RPM_BUILD_ROOT \
+ BIN_DIR=%{_bindir} \
+ MAN_DIR=%{_mandir}
+
+%{?_with_static:mv -f $RPM_BUILD_ROOT{%{_bindir},/bin}/dar-static}