[pro] Set up dependencies between subprojects

mms.pro

 TEMPLATE = subdirs
-CONFIG += ordered
+
 SUBDIRS += \
   mms-lib \
   mms-connman-nemo \
@@ -10,6 +10,34 @@ SUBDIRS += \
   mms-engine \
   mms-dump \
   mms-send
+
 OTHER_FILES += \
   rpm/mms-engine.spec \
   README
+
+# Dependencies between the subprojects
+
+mms-lib.target = mms-lib-target
+
+mms-connman-nemo.target = mms-connman-nemo-target
+mms-connman-nemo.depends = mms-lib-target
+
+mms-connman-ofono.target = mms-connman-ofono-target
+mms-connman-ofono.depends = mms-lib-target
+
+mms-handler-dbus.target = mms-handler-dbus-target
+mms-handler-dbus.depends = mms-lib-target
+
+mms-settings-dconf.target = mms-settings-dconf-target
+mms-settings-dconf.depends = mms-lib-target
+
+mms-transfer-list-dbus.target = mms-transfer-list-dbus-target
+mms-transfer-list-dbus.depends = mms-lib-target
+
+mms-engine.depends = \
+    mms-lib-target \
+    mms-connman-nemo-target \
+    mms-connman-ofono-target \
+    mms-handler-dbus-target \
+    mms-settings-dconf-target \
+    mms-transfer-list-dbus-target