AutotoolsProject: put different languages into separate project parts.

This is in preparation for changes to the ProjectParts, where one part
can only hold files for 1 language.

Change-Id: Ica05e5f7fcd35360400d299c39014c0a56d2889b
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/autotoolsprojectmanager/autotoolsproject.h

@@ -36,6 +36,8 @@
 
 #include <utils/fileutils.h>
 
+#include <QFuture>
+
 QT_FORWARD_DECLARE_CLASS(QDir)
 
 namespace Utils { class FileSystemWatcher; }
@@ -156,6 +158,8 @@ private:
 
     /// Responsible for parsing the makefiles asynchronously in a thread
     MakefileParserThread *m_makefileParserThread;
+
+    QFuture<void> m_codeModelFuture;
 };
 
 } // namespace Internal