<p>Replying to my own comment, I've now put up my modifications to the source tree in the <code>pierce_alpine</code> branch of <a href="https://github.com/PierceNg/opensmalltalk-vm/tree/pierce_alpine">my fork</a>. It is for building <code>pharo.cog.spur.minheadless</code> on Alpine Linux x86_64. I've not tried  building VMs for the other Smalltalks.</p>

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