greg@251: 
greg@251:           <xsd:attribute name="Compiler" type="xsd:string" use="optional" default="gcc"/>
greg@251:           <xsd:attribute name="CFLAGS" type="xsd:string" use="required"/>
Edouard@621:           <xsd:attribute name="Linker" type="xsd:string" use="optional" default="gcc"/>
Edouard@621:           <xsd:attribute name="LDFLAGS" type="xsd:string" use="required"/>