diff --git a/calendar/libxpical/MANIFEST_IDL b/calendar/libxpical/MANIFEST_IDL
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/calendar/macbuild/calendar.xml b/calendar/macbuild/calendar.xml
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/calendar/macbuild/calendarIDL.xml b/calendar/macbuild/calendarIDL.xml
new file mode 100644
index 00000000000..e69de29bb2d