gentoo-overlay/dev-libs/ocl-icd/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <maintainer type="person">
    <email>patrick@gentoo.org</email>
    <name>Patrick Lauer</name>
  </maintainer>
  <use>
    <flag name="khronos-headers" restrict="&gt;dev-libs/ocl-icd-2.2.11-r1">
      Install Khronos OpenCL headers.
    </flag>
  </use>
</pkgmetadata>