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<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <herd>dev-tools</herd> <use> <flag name="unwind">Use <pkg>sys-libs/libunwind</pkg> for frame unwinding support</flag> </use> </pkgmetadata>