<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<use>
<flag name="futures">
Enable racket/future library for fine-grained hardware parallelism
</flag>
<flag name="graphics">
Enable support for graphics
<flag name="places">
Enable racket/place library for share-nothing parallelism and message-passing communication. Compared to futures, places are heavyweight, but they have a simpler performance model.
<flag name="threads">
Enable support for green threads
</use>
</pkgmetadata>