+ else if(FS::descendant_depth(path, builder.get_prefix())>=0)
+ {
+ FS::Path relpath = FS::relative(path, builder.get_prefix());
+ builder.get_logger().log("debug", format("%s %s %s", path, builder.get_prefix(), relpath));
+ return "<prefix>"+relpath.str().substr(1);
+ }
+
+ return path.str();
+}
+
+void FileTarget::touch()
+{
+ mtime = Time::now();
+ signal_bubble_rebuild.emit();
+}
+
+void FileTarget::check_rebuild()
+{
+ if(!tool)
+ return;
+
+ if(!mtime)
+ mark_rebuild("Does not exist");
+ else
+ {
+ for(Dependencies::iterator i=depends.begin(); (i!=depends.end() && !needs_rebuild()); ++i)
+ {
+ FileTarget *ft = dynamic_cast<FileTarget *>(*i);
+ if(ft && ft->get_mtime()>mtime)
+ mark_rebuild((*i)->get_name()+" has changed");
+ else if((*i)->needs_rebuild())
+ mark_rebuild((*i)->get_name()+" needs rebuilding");
+ }
+ }
+
+ if(!needs_rebuild() && package && package->get_config().get_mtime()>mtime)
+ mark_rebuild("Package options changed");