gt;
              &lt;/xs:complexType&gt;
            &lt;/xs:element&gt;
            &lt;xs:element name="cflags"   type="ToolOptionType" minOccurs="0"/&gt;
            &lt;xs:element name="cxxflags" type="ToolOptionType" minOccurs="0"/&gt;
            &lt;xs:element name="asflags"  type="ToolOptionType" minOccurs="0"/&gt;
          &lt;/xs:choice&gt;
          &lt;xs:attribute name="Cvendor"     type="xs:string"            use="optional" /&gt;
          &lt;xs:attribute name="Cbundle"     type="xs:string"