File _constraints of Package polymake

<constraints>
	<hardware>
<!--
		https://github.com/openSUSE/open-build-service/issues/10167
		<memoryperjob>
			<size unit="M">3400</size>
		</memoryperjob>
-->
		<physicalmemory>
			<!-- using %%limit_build, plus 200 for kernel -->
			<size unit="M">3600</size>
		</physicalmemory>
		<disk>
			<size unit="G">18</size>
		</disk>
	</hardware>
</constraints>