[CENTRAL] Establish a communicator "toolkit" directory

communicator/communicator.mozbuild

@@ -0,0 +1,23 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+if CONFIG['MOZ_COMPOSER']:
+    DIRS += ['/editor/ui']
+
+if CONFIG['MOZ_MAILNEWS']:
+    DIRS += [
+        '/modules/ldap',
+        '/modules/mork',
+        '/mailnews',
+    ]
+
+if CONFIG['MOZ_CALENDAR']:
+    DIRS += [
+        '/modules/libical',
+        '/calendar/lightning',
+        '/calendar/timezones'
+    ]
+
+DIRS += ['/communicator']

communicator/moz.build

@@ -0,0 +1,5 @@
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+

mail/app.mozbuild

@@ -3,11 +3,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-DIRS += [
-    '/modules/ldap',
-    '/modules/mork',
-    '/mailnews',
-]
+include('/communicator/communicator.mozbuild')
 
 if not CONFIG['MOZ_INCOMPLETE_EXTERNAL_LINKAGE']:
     DIRS += ['/mail/components']
@@ -19,16 +15,6 @@ if CONFIG['MOZ_EXTENSIONS']:
 
 DIRS += ['/%s' % CONFIG['MOZ_BRANDING_DIRECTORY']]
 
-if CONFIG['MOZ_COMPOSER']:
-    DIRS += ['/editor/ui']
-
-if CONFIG['MOZ_CALENDAR']:
-    DIRS += [
-        '/modules/libical',
-        '/calendar/lightning',
-        '/calendar/timezones'
-    ]
-
 # Never add tier dirs after mail because they apparently won't get
 # packaged properly on Mac.
 DIRS += ['/mail']