gentoo-overlay/x11-apps/mesa-progs/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>x11</herd>
<use>
        <flag name='egl'>Build EGL utilities</flag>
        <flag name='gles1'>Build OpenGL ES 1 utilities</flag>
        <flag name='gles2'>Build OpenGL ES 2 utilities</flag>
</use>
</pkgmetadata>