4 files changed, 8 insertions, 10 deletions
diff --git a/arts/gui/common/CMakeLists.txt b/arts/gui/common/CMakeLists.txt
index 6fa63e44..030e3c65 100644
--- a/arts/gui/common/CMakeLists.txt
+++ b/arts/gui/common/CMakeLists.txt
@@ -27,14 +27,14 @@ link_directories(
 ##### artsgui (library) #########################
 
 tde_add_library( artsgui_idl SHARED
-  SOURCES artsgui.cc
+  SOURCES artsgui.cpp
   VERSION 0.0.0
   LINK mcop ${DL_LIBRARIES} ${ARTS_LIBRARIES}
   DESTINATION ${LIB_INSTALL_DIR}
 )
 
 tde_add_library( artsgui SHARED
-  SOURCES genericguifactory_impl.cc
+  SOURCES genericguifactory_impl.cpp
   VERSION 0.0.0
   LINK artsgui_idl-shared
   DESTINATION ${LIB_INSTALL_DIR}
@@ -42,7 +42,7 @@ tde_add_library( artsgui SHARED
 
 add_custom_command(
   OUTPUT
-    artsgui.cc artsgui.h
+    artsgui.cpp artsgui.h
     artsgui.mcoptype artsgui.mcopclass
   COMMAND ${ARTS_MCOPIDL_EXECUTABLE} -t
     -I${ARTS_INCLUDEDIR} ${CMAKE_CURRENT_SOURCE_DIR}/artsgui.idl
diff --git a/arts/gui/common/Makefile.am b/arts/gui/common/Makefile.am
index 9d82449f..3368a235 100644
--- a/arts/gui/common/Makefile.am
+++ b/arts/gui/common/Makefile.am
@@ -2,23 +2,23 @@ lib_LTLIBRARIES = libartsgui_idl.la libartsgui.la
 
 INCLUDES= -I$(arts_includes) -I$(top_builddir)/arts/runtime $(all_includes)
 
-libartsgui_idl_la_SOURCES = artsgui.cc
+libartsgui_idl_la_SOURCES = artsgui.cpp
 libartsgui_idl_la_LIBADD = -lmcop $(LIBDL)
 libartsgui_idl_la_LDFLAGS = $(all_libraries) -L$(arts_libraries) \
   -no-undefined
 
-libartsgui_la_SOURCES = genericguifactory_impl.cc
+libartsgui_la_SOURCES = genericguifactory_impl.cpp
 libartsgui_la_LIBADD = libartsgui_idl.la
 libartsgui_la_LDFLAGS = $(all_libraries) -no-undefined
 libartsgui_la_COMPILE_FIRST = artsgui.h
 
-artsgui.cc artsgui.h: $(srcdir)/artsgui.idl $(MCOPIDL)
+artsgui.cpp artsgui.h: $(srcdir)/artsgui.idl $(MCOPIDL)
 	$(MCOPIDL) -t -I$(includedir)/arts $(srcdir)/artsgui.idl
 
 artsgui.mcoptype: artsgui.h
 artsgui.mcopclass: artsgui.h
 
-DISTCLEANFILES = artsgui.cc artsgui.h \
+DISTCLEANFILES = artsgui.cpp artsgui.h \
   artsgui.mcoptype artsgui.mcopclass
 
 ####### install idl files
diff --git a/arts/gui/common/artsgui.idl b/arts/gui/common/artsgui.idl
index a9a3950a..76b6a8c5 100644
--- a/arts/gui/common/artsgui.idl
+++ b/arts/gui/common/artsgui.idl
@@ -23,7 +23,7 @@
     */
 
 /*
- * DISCLAIMER: The interfaces in artsgui.idl (and the derived .cc/.h files)
+ * DISCLAIMER: The interfaces in artsgui.idl (and the derived .cpp/.h files)
  *             DO NOT GUARANTEE BINARY COMPATIBILITY YET.
  *
  * They are intended for developers. You shouldn't expect that applications in
@@ -392,5 +392,3 @@ module Arts {
 	interface GenericGuiFactory : GuiFactory {
 	};
 };
-
-// vim: sw=4 ts=4
diff --git a/arts/gui/common/genericguifactory_impl.cc b/arts/gui/common/genericguifactory_impl.cpp
index 163d7e21..163d7e21 100644
--- a/arts/gui/common/genericguifactory_impl.cc
+++ b/arts/gui/common/genericguifactory_impl.cpp