specfile: Accept BuildType tag inside Package tags

It is not functional at this time.

pisi-spec.dtd

@@ -52,6 +52,8 @@
 <!ATTLIST Archive type CDATA #REQUIRED>
 <!ATTLIST Archive target CDATA #IMPLIED>
 
+<!ELEMENT BuildType (#PCDATA)>
+
 <!ELEMENT BuildDependencies (Dependency*)>
 
 <!ELEMENT Dependency (#PCDATA)>
@@ -82,6 +84,7 @@
 	PartOf |
 	Summary |
 	Description |
+	BuildType |
 	RuntimeDependencies |
 	Files |
 	Conflicts |

pisi-spec.rng

@@ -85,6 +85,9 @@
             <zeroOrMore>
                 <ref name="Description"/>
             </zeroOrMore>
+            <optional>
+                <ref name="BuildType"/>
+            </optional>
             <optional>
                 <ref name="RuntimeDependencies"/>
             </optional>
@@ -1333,6 +1336,13 @@
         </group>
     </define>
 
+    <!-- BuildType -->
+    <define name="BuildType">
+        <element name="BuildType">
+            <text/>
+        </element>
+    </define>
+
     <!-- BuildDependencies -->
     <define name="BuildDependencies">
         <element name="BuildDependencies">

pisi/specfile.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2005-2010, TUBITAK/UEKAE
+# Copyright (C) 2005-2011, TUBITAK/UEKAE
 #
 # This program is free software; you can redistribute it and/or modify it under
 # the terms of the GNU General Public License as published by the Free
@@ -232,6 +232,7 @@ class Package:
     t_PartOf = [autoxml.String, autoxml.optional]
     t_License = [ [autoxml.String], autoxml.optional]
     t_Icon = [ autoxml.String, autoxml.optional]
+    t_BuildType = [ autoxml.String, autoxml.optional ]
     t_PackageDependencies = [ [pisi.dependency.Dependency], autoxml.optional, "RuntimeDependencies/Dependency"]
     t_PackageAnyDependencies = [[AnyDependency], autoxml.optional, "RuntimeDependencies/AnyDependency"]
     t_ComponentDependencies = [ [autoxml.String], autoxml.optional, "RuntimeDependencies/Component"]