--- a/python/ppci/buildtasks.py	Fri May 16 13:05:10 2014 +0200
+++ b/python/ppci/buildtasks.py	Sat May 17 21:17:40 2014 +0200
@@ -4,10 +4,8 @@
 Task can depend upon one another.
 """
 
-import logging
-
 from .tasks import Task, TaskError, register_task
-from .buildfunctions import c3compile, link, assemble, fix_object
+from .buildfunctions import c3compile, link, assemble, fix_object, construct
 from pyyacc import ParserException
 from . import CompilerError
 
@@ -36,9 +34,17 @@
         self.target.project.set_property(name, value)
 
 
+@register_task("build")
+class ConstructTask(Task):
+    """ Builds another build description file (build.xml) """
+    def run(self):
+        project = self.get_argument('file')
+        construct(project)
+
+
 @register_task("assemble")
 class AssembleTask(Task):
-    """ Task that can runs the assembler over the source and enters the 
+    """ Task that can runs the assembler over the source and enters the
         output into an object file """
 
     def run(self):
@@ -73,8 +79,8 @@
 
         output = c3compile(sources, includes, target)
         # Store output:
-        with open(output_filename, 'w') as f:
-            output.save(f)
+        with open(output_filename, 'w') as output_file:
+            output.save(output_file)
 
 
 @register_task("link")
@@ -92,8 +98,8 @@
             raise TaskError(e.msg)
 
         # Store output:
-        with open(output_filename, 'w') as f:
-            output_obj.save(f)
+        with open(output_filename, 'w') as output_file:
+            output_obj.save(output_file)
 
 
 @register_task("objcopy")
@@ -105,6 +111,5 @@
 
         obj = fix_object(object_filename)
         image = obj.get_image(image_name)
-        with open(output_filename, 'wb') as f:
-            f.write(image)
-
+        with open(output_filename, 'wb') as output_file:
+            output_file.write(image)