diff -r 38fa7e41194c -r 53e22f112b11 make/uwproj.xsd
--- a/make/uwproj.xsd	Mon Nov 11 21:42:14 2024 +0100
+++ b/make/uwproj.xsd	Tue Nov 12 17:34:04 2024 +0100
@@ -3,7 +3,7 @@
            xmlns="http://unixwork.de/uwproj"
            targetNamespace="http://unixwork.de/uwproj"
            elementFormDefault="qualified"
-           version="0.2"
+           version="0.3"
 >
     <xs:element name="project" type="ProjectType"/>
 
@@ -21,6 +21,7 @@
             <xs:element name="dependency" type="DependencyType" minOccurs="0" maxOccurs="unbounded"/>
             <xs:element name="target" type="TargetType" minOccurs="0" maxOccurs="unbounded"/>
         </xs:sequence>
+        <xs:attribute name="version" type="xs:string" use="required" />
     </xs:complexType>
 
     <xs:complexType name="ConfigType">
@@ -195,6 +196,9 @@
                 <code>dependencies</code> are satisfied.
                 If a feature is enabled, all <code>define</code> and <code>make</code> definitions are
                 supposed to be applied to the config file.
+                If a feature is disabled, an optional <code>disabled</code> element may specify which
+                <code>define</code> and <code>make</code> definitions are supposed to be applied.
+                There might also be <code>dependencies</code> when the feature is disabled (e.g. specifying a fallback).
                 In case the optional <code>default</code> attribute is set to true, the feature is enabled by default
                 and is supposed to be automatically disabled (without error) when the dependencies are not satisfied.
                 The name that is supposed to be used for the --enable and --disable arguments can be optionally
@@ -206,6 +210,13 @@
         <xs:choice minOccurs="0" maxOccurs="unbounded">
             <xs:group ref="TargetDataGroup"/>
             <xs:element name="desc" type="xs:string"/>
+            <xs:element name="disabled">
+                <xs:complexType>
+                    <xs:choice minOccurs="0" maxOccurs="unbounded">
+                        <xs:group ref="TargetDataGroup"/>
+                    </xs:choice>
+                </xs:complexType>
+            </xs:element>
         </xs:choice>
         <xs:attribute name="name" type="xs:string" use="required"/>
         <xs:attribute name="arg" type="xs:string"/>