diff -r 9817c08f9637 -r a13789dd1cfb uwproj.xsd
--- a/uwproj.xsd	Wed Oct 11 20:41:26 2023 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,281 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
-           xmlns="http://unixwork.de/uwproj"
-           targetNamespace="http://unixwork.de/uwproj"
-           elementFormDefault="qualified"
-           version="0.1"
->
-    <xs:element name="project" type="ProjectType"/>
-
-    <xs:complexType name="ProjectType">
-        <xs:annotation>
-            <xs:documentation>
-                The root element of an uwproj project.
-                Consists of an optional <code>config</code> element
-                and an arbitrary number of <code>dependency</code>
-                and <code>target</code> elements.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:sequence>
-            <xs:element name="config" type="ConfigType" minOccurs="0"/>
-            <xs:element name="dependency" type="DependencyType" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="target" type="TargetType" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:sequence>
-    </xs:complexType>
-
-    <xs:complexType name="ConfigType">
-        <xs:annotation>
-            <xs:documentation>
-                The configuration section.
-                Consists of an arbitrary number of <code>var</code> elements.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:sequence>
-            <xs:element name="var" type="ConfigVarType" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:sequence>
-    </xs:complexType>
-
-    <xs:complexType name="ConfigVarType">
-        <xs:annotation>
-            <xs:documentation>
-                The definition of a configuration variable.
-                <p>
-                    Configuration variables are supposed to be used in the configure script and are also
-                    written to the resulting config file (in contrast to make variables, which are only
-                    written to the config file).
-                    The <code>name</code> attribute is mandatory, the value is defined by the text body of the element.
-                    The optional Boolean <code>exec</code> attribute (false by default) controls, whether the entire
-                    definition is automatically executed under command substitution.
-                </p>
-            </xs:documentation>
-        </xs:annotation>
-        <xs:simpleContent>
-            <xs:extension base="xs:string">
-                <xs:attribute name="name" type="xs:string" use="required"/>
-                <xs:attribute name="exec" type="xs:boolean" default="false"/>
-            </xs:extension>
-        </xs:simpleContent>
-    </xs:complexType>
-
-    <xs:complexType name="PkgConfigType">
-        <xs:annotation>
-            <xs:documentation>
-                Instructs configure to invoke <code>pkg-config</code>, if present on the system, to determine
-                compiler and linker flags. The text body of this element defines the package name to search.
-                To constrain the allowed versions, use the attributes <code>atleast, exact, max</code>.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:simpleContent>
-            <xs:extension base="xs:string">
-                <xs:attribute name="atleast" type="xs:string"/>
-                <xs:attribute name="exact" type="xs:string"/>
-                <xs:attribute name="max" type="xs:string"/>
-            </xs:extension>
-        </xs:simpleContent>
-    </xs:complexType>
-
-    <xs:simpleType name="LangType">
-        <xs:annotation>
-            <xs:documentation>
-                Requests a compiler for the specified language. Allowed values are
-                c, cpp.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:restriction base="xs:string">
-            <xs:enumeration value="c"/>
-            <xs:enumeration value="cpp"/>
-        </xs:restriction>
-    </xs:simpleType>
-
-    <xs:complexType name="DependencyType">
-        <xs:annotation>
-            <xs:documentation>
-                Declares a dependency.
-                <p>
-                    If the optional <code>name</code> attribute is omitted, the dependency is global
-                    and must be satisfied, otherwise configuration shall fail.
-                    A <em>named dependency</em> can be referenced by a target (or is implicitly referenced
-                    by the default target, if no targets are specified).
-                    Multiple declarations for the same named dependency may exist, in which case each declaration
-                    is checked one after another, until one block is satisfied. The result of the first satisfied
-                    dependency declaration is supposed to be applied to the config file.
-                </p>
-                <p>
-                    The optional <code>platform</code> attribute may specify a <em>single</em> platform identifier and
-                    the optional <code>not</code> attribute may specify a comma-separated list of platform identifiers.
-                    The configure script shall skip this dependency declaration if the detected platform is not
-                    matching the filter specification of these attributes.
-                </p>
-            </xs:documentation>
-        </xs:annotation>
-        <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element name="lang" type="LangType"/>
-            <xs:element name="cflags" type="FlagsType"/>
-            <xs:element name="cxxflags" type="FlagsType"/>
-            <xs:element name="ldflags" type="FlagsType"/>
-            <xs:element name="pkgconfig" type="PkgConfigType"/>
-            <xs:element name="test" type="xs:string">
-                <xs:annotation>
-                    <xs:documentation>
-                        Specifies a custom command that shall be executed to test whether this dependency is satisfied.
-                    </xs:documentation>
-                </xs:annotation>
-            </xs:element>
-            <xs:element name="make" type="MakeVarType"/>
-        </xs:choice>
-        <xs:attribute name="name" type="xs:string"/>
-        <xs:attribute name="platform" type="xs:string"/>
-        <xs:attribute name="not" type="xs:string"/>
-    </xs:complexType>
-
-    <xs:complexType name="FlagsType">
-        <xs:annotation>
-            <xs:documentation>
-                Instructs configure to append the contents of the element's body to the respective flags variable.
-                If the optional <code>exec</code> flag is set to <code>true</code>, the contents are supposed to be
-                executed under command substitution <em>at configuration time</em> before they are applied.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:simpleContent>
-            <xs:extension base="xs:string">
-                <xs:attribute name="exec" type="xs:boolean" default="false"/>
-            </xs:extension>
-        </xs:simpleContent>
-    </xs:complexType>
-
-    <xs:complexType name="TargetType">
-        <xs:annotation>
-            <xs:documentation>
-                Declares a build target that is supposed to be configured.
-                <p>
-                    If no build target is declared explicitly, an implicit default
-                    target is generated, which has the <code>alldependencies</code>
-                    flag set.
-                </p>
-                <p>
-                    The optional <code>name</code> attribute is also used to generate a prefix
-                    for the compiler and linker flags variables.
-                    Furthermore, a target may consist of an arbitrary number of <code>feature</code>,
-                    <code>option</code>, and <code>define</code> elements.
-                    Named dependencies can be listed (separated by comma) in the <code>dependencies</code>
-                    element. If this target shall use <em>all</em> available named dependencies, the empty
-                    element <code>alldependencies</code> can be used as a shortcut.
-                </p>
-            </xs:documentation>
-        </xs:annotation>
-        <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element name="feature" type="FeatureType"/>
-            <xs:element name="option" type="OptionType"/>
-            <xs:element name="define" type="DefineType"/>
-            <xs:element name="dependencies" type="DependenciesType"/>
-            <xs:element name="alldependencies">
-                <xs:complexType/>
-            </xs:element>
-        </xs:choice>
-        <xs:attribute name="name" type="xs:string"/>
-    </xs:complexType>
-
-    <xs:complexType name="FeatureType">
-        <xs:annotation>
-            <xs:documentation>
-                Declares an optional feature, that can be enabled during configuration, if all
-                <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.
-                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
-                specified with the <code>arg</code> attribute. Otherwise, the <code>name</code> is used by default.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="TargetDataGroup"/>
-        </xs:choice>
-        <xs:attribute name="name" type="xs:string" use="required"/>
-        <xs:attribute name="arg" type="xs:string"/>
-        <xs:attribute name="default" type="xs:boolean" default="false"/>
-    </xs:complexType>
-
-    <xs:complexType name="OptionType">
-        <xs:annotation>
-            <xs:documentation>
-                Declares a configuration option.
-                The option argument name is specified with the <code>arg</code> attribute.
-                Then, the children of this element specify possible <code>values</code> by defining the conditions
-                (in terms of dependencies) and effects (in terms of defines and make variables) of each value.
-                Finally, a set of <code>default</code>s is specified which supposed to automagically select the most
-                appropriate value for a specific platform under the available dependencies (in case the option is not
-                explicitly specified by using the command line argument).
-            </xs:documentation>
-        </xs:annotation>
-        <xs:sequence>
-            <xs:element name="value" type="OptionValueType" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="default" type="OptionDefaultType" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:sequence>
-        <xs:attribute name="arg" type="xs:string" use="required"/>
-    </xs:complexType>
-
-    <xs:complexType name="OptionValueType">
-        <xs:annotation>
-            <xs:documentation>
-                Declares a possible value for the option (in the <code>str</code> attribute) and
-                the conditions (<code>dependencies</code>) and effects, the value has.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="TargetDataGroup"/>
-        </xs:choice>
-        <xs:attribute name="str" type="xs:string" use="required"/>
-    </xs:complexType>
-
-    <xs:complexType name="OptionDefaultType">
-        <xs:annotation>
-            <xs:documentation>
-                Specifies a default value for this option. Multiple default values can be specified, in which case
-                they are checked one after another for availability. With the optional <code>platform</code> attribute,
-                the default value can be constrained to a <em>single</em> specific platform and is supposed to be
-                skipped by configure, when this platform is not detected.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:attribute name="value" type="xs:string" use="required"/>
-        <xs:attribute name="platform" type="xs:string"/>
-    </xs:complexType>
-
-    <xs:group name="TargetDataGroup">
-        <xs:choice>
-            <xs:element name="define" type="DefineType" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="dependencies" type="DependenciesType" minOccurs="0" maxOccurs="unbounded"/>
-            <xs:element name="make" type="MakeVarType" minOccurs="0" maxOccurs="unbounded"/>
-        </xs:choice>
-    </xs:group>
-
-    <xs:complexType name="DefineType">
-        <xs:annotation>
-            <xs:documentation>
-                Specifies C/C++ pre-processor definitions that are supposed to
-                be appended to the compiler flags, if supported.
-                (Note: for example, Fortran also supports C/C++ style pre-processor definitions under
-                certain circumstances)
-            </xs:documentation>
-        </xs:annotation>
-        <xs:attribute name="name" type="xs:string" use="required"/>
-        <xs:attribute name="value" type="xs:string"/>
-    </xs:complexType>
-
-    <xs:simpleType name="DependenciesType">
-        <xs:annotation>
-            <xs:documentation>A comma-separated list of named dependencies.</xs:documentation>
-        </xs:annotation>
-        <xs:restriction base="xs:string"/>
-    </xs:simpleType>
-
-    <xs:simpleType name="MakeVarType">
-        <xs:annotation>
-            <xs:documentation>
-                The text contents in the body of this element are supposed to be appended literally
-                to the config file without prior processing.
-            </xs:documentation>
-        </xs:annotation>
-        <xs:restriction base="xs:string"/>
-    </xs:simpleType>
-</xs:schema>
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