+}
+
+string FileTarget::create_build_signature() const
+{
+ if(!package)
+ return string();
+
+ const BuildInfo &binfo = (component ? component->get_build_info() : package->get_build_info());
+ list<string> sigs;
+ if(nested_build_sig && component)
+ {
+ set<const Tool *> depend_tools;
+ for(Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
+ if((*i)->get_component()==component && (*i)->get_tool())
+ depend_tools.insert((*i)->get_tool());
+
+ for(set<const Tool *>::const_iterator i=depend_tools.begin(); i!=depend_tools.end(); ++i)
+ sigs.push_back((*i)->create_build_signature(binfo));
+ sigs.sort();
+ sigs.push_front(tool->create_build_signature(binfo));
+ }
+ else
+ sigs.push_back(tool->create_build_signature(binfo));