5 files changed, 7 insertions, 1 deletions
diff --git a/src/extension/dependency.cpp b/src/extension/dependency.cpp
index f53dc93b4..7c358d871 100644
--- a/src/extension/dependency.cpp
+++ b/src/extension/dependency.cpp
@@ -13,6 +13,8 @@
 #endif
 
 #include <glibmm/i18n.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
 #include "config.h"
 #include "path-prefix.h"
 #include "dependency.h"
diff --git a/src/extension/extension.h b/src/extension/extension.h
index e0b643b6d..78999631a 100644
--- a/src/extension/extension.h
+++ b/src/extension/extension.h
@@ -19,6 +19,7 @@
 #include <vector>
 #include <glibmm/ustring.h>
 #include "xml/repr.h"
+#include <sigc++/signal.h>
 
 namespace Gtk {
 	class Table;
diff --git a/src/extension/internal/filter/filter-file.cpp b/src/extension/internal/filter/filter-file.cpp
index d129f590c..d569c6438 100644
--- a/src/extension/internal/filter/filter-file.cpp
+++ b/src/extension/internal/filter/filter-file.cpp
@@ -20,6 +20,7 @@
 
 /* System includes */
 #include <glibmm/i18n.h>
+#include <glibmm/fileutils.h>
 
 namespace Inkscape {
 namespace Extension {
diff --git a/src/extension/internal/javafx-out.cpp b/src/extension/internal/javafx-out.cpp
index 67c0fae66..035a6f0aa 100644
--- a/src/extension/internal/javafx-out.cpp
+++ b/src/extension/internal/javafx-out.cpp
@@ -20,6 +20,8 @@
 #ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif
+
+#include <glibmm/miscutils.h>
 #include "javafx-out.h"
 #include <inkscape.h>
 #include <inkscape-version.h>
diff --git a/src/extension/timer.cpp b/src/extension/timer.cpp
index 3941ddcfc..e4e8632d2 100644
--- a/src/extension/timer.cpp
+++ b/src/extension/timer.cpp
@@ -10,7 +10,7 @@
  * Released under GNU GPL, read the file 'COPYING' for more information
  */
 
-
+#include <glibmm/main.h>
 
 #include "extension.h"
 #include "timer.h"