diff --git a/include/rosa/config/project_path.hpp b/include/rosa/config/project_path.hpp
index e384fd1..e2c1993 100644
--- a/include/rosa/config/project_path.hpp
+++ b/include/rosa/config/project_path.hpp
@@ -1,50 +1,52 @@
 /*******************************************************************************
  *
  * File:     project_path.hpp
  *
  * Contents: Facility for compile-time manipulation of paths.
  *
  * Copyright 2017
  *
  * Author: David Juhasz (david.juhasz@tuwien.ac.at)
  *
  ******************************************************************************/
 
 #ifndef ROSA_CONFIG_PROJECT_PATH_HPP
 #define ROSA_CONFIG_PROJECT_PATH_HPP
 
 #include "rosa/config/rosa_config.h"
 
+#include <cstdlib>
+
 namespace rosa {
 
 // Nested namespace containing the implementation of the provided features,
 // not supposed to be used directly.
 namespace impl {
 
 // Implementation of the static search for the project-relative part of an
 // absolute path.
 constexpr size_t
 project_relative_path_index_impl(const char *const path,
                                  const char *const project = ROSA_SRC_DIR,
                                  const size_t index = 0) {
   return project[index] == '\0'
              ? index // Found it.
              : (path[index] == '\0' || project[index] != path[index])
                    ? 0 // Path is not under project.
                    : project_relative_path_index_impl(
                          path, project,
                          index + 1); // Continue searching...
 }
 
 } // End namespace impl
 
 // Staticaly finds the index of the project-relative part of a absolute path.
 // Returns 0 if the absolute path is not located under the project directory.
 constexpr size_t project_relative_path_index(const char * const path) {
   return impl::project_relative_path_index_impl(path);
 }
 
 } // End namespace rosa
 
 #endif // ROSA_CONFIG_PROJECT_PATH_HPP
 
diff --git a/lib/config/CMakeLists.txt b/lib/config/CMakeLists.txt
index abea00b..bf57ce2 100644
--- a/lib/config/CMakeLists.txt
+++ b/lib/config/CMakeLists.txt
@@ -1,3 +1,6 @@
 add_library(ROSAConfig
+  project_path.cpp
+  config.cpp
   version.cpp
   )
+
diff --git a/lib/config/config.cpp b/lib/config/config.cpp
new file mode 100644
index 0000000..5b8d881
--- /dev/null
+++ b/lib/config/config.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     config.cpp
+ *
+ * Contents: Implementation of config features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/config/config.h"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for config.
+
diff --git a/lib/config/project_path.cpp b/lib/config/project_path.cpp
new file mode 100644
index 0000000..60a654d
--- /dev/null
+++ b/lib/config/project_path.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     project_path.cpp
+ *
+ * Contents: Implementation of project_path features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/config/project_path.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for project_path.
+
diff --git a/lib/core/AbstractAgent.cpp b/lib/core/AbstractAgent.cpp
new file mode 100644
index 0000000..d087028
--- /dev/null
+++ b/lib/core/AbstractAgent.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     AbstractAgent.cpp
+ *
+ * Contents: Implementation of AbstractAgent.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/core/AbstractAgent.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for AbstractAgent.
+
diff --git a/lib/core/CMakeLists.txt b/lib/core/CMakeLists.txt
index d9e04ba..9ec710a 100644
--- a/lib/core/CMakeLists.txt
+++ b/lib/core/CMakeLists.txt
@@ -1,16 +1,17 @@
 add_library(ROSACore
   Unit.cpp
   System.cpp
   SystemBase.cpp
   SystemImpl.cpp
   Message.cpp
   Invoker.cpp
   MessageHandler.cpp
+  AbstractAgent.cpp
   Agent.cpp
   AgentHandle.cpp
   MessagingSystem.cpp
   MessagingSystemImpl.cpp
   )
 
 ROSA_add_library_dependencies(ROSACore ROSASupport)
 
diff --git a/lib/support/CMakeLists.txt b/lib/support/CMakeLists.txt
index d7448ea..ee43733 100644
--- a/lib/support/CMakeLists.txt
+++ b/lib/support/CMakeLists.txt
@@ -1,8 +1,15 @@
 add_library(ROSASupport
   debug.cpp
   terminal_colors.cpp
   log.cpp
+  math.cpp
+  type_helper.cpp
+  types.cpp
   atom.cpp
+  type_pair.cpp
+  type_list.cpp
+  squashed_int.cpp
+  type_numbers.cpp
   type_token.cpp
   )
 
diff --git a/lib/support/math.cpp b/lib/support/math.cpp
new file mode 100644
index 0000000..0142f0c
--- /dev/null
+++ b/lib/support/math.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     math.cpp
+ *
+ * Contents: Implementation of math features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/math.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for math.
+
diff --git a/lib/support/squashed_int.cpp b/lib/support/squashed_int.cpp
new file mode 100644
index 0000000..3feb052
--- /dev/null
+++ b/lib/support/squashed_int.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     squashed_int.cpp
+ *
+ * Contents: Implementation of squashed_int features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/squashed_int.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for squashed_int.
+
diff --git a/lib/support/type_helper.cpp b/lib/support/type_helper.cpp
new file mode 100644
index 0000000..758ed6a
--- /dev/null
+++ b/lib/support/type_helper.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     type_helper.cpp
+ *
+ * Contents: Implementation of type_helper features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/type_helper.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for type_helper.
+
diff --git a/lib/support/type_list.cpp b/lib/support/type_list.cpp
new file mode 100644
index 0000000..545586a
--- /dev/null
+++ b/lib/support/type_list.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     type_list.cpp
+ *
+ * Contents: Implementation of type_list features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/type_list.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for type_list.
+
diff --git a/lib/support/type_numbers.cpp b/lib/support/type_numbers.cpp
new file mode 100644
index 0000000..a4168e0
--- /dev/null
+++ b/lib/support/type_numbers.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     type_numbers.cpp
+ *
+ * Contents: Implementation of type_numbers features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/type_numbers.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for type_numbers.
+
diff --git a/lib/support/type_pair.cpp b/lib/support/type_pair.cpp
new file mode 100644
index 0000000..2ff0f5f
--- /dev/null
+++ b/lib/support/type_pair.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     type_pair.cpp
+ *
+ * Contents: Implementation of type_pair features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/type_pair.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for type_pair.
+
diff --git a/lib/support/types.cpp b/lib/support/types.cpp
new file mode 100644
index 0000000..ddc91bd
--- /dev/null
+++ b/lib/support/types.cpp
@@ -0,0 +1,17 @@
+/*******************************************************************************
+ *
+ * File:     types.cpp
+ *
+ * Contents: Implementation of types features.
+ *
+ * Copyright 2017
+ *
+ * Author: David Juhasz (david.juhasz@tuwien.ac.at)
+ *
+ ******************************************************************************/
+
+#include "rosa/support/types.hpp"
+
+// NOTE: Empty implementation, source file here to have a compile database
+// entry for types.
+