diff -Nru kactivities-kf5-5.51.0/debian/changelog kactivities-kf5-5.51.0/debian/changelog
--- kactivities-kf5-5.51.0/debian/changelog	2018-11-07 16:16:22.000000000 +0000
+++ kactivities-kf5-5.51.0/debian/changelog	2018-12-05 21:44:03.000000000 +0000
@@ -1,3 +1,10 @@
+kactivities-kf5 (5.51.0-1+rpi1) buster-staging; urgency=medium
+
+  [changes brought forward from 5.12.0-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 19 Jul 2015 21:22:27 +0000]
+  * Add symbols file hack for raspbian.
+
+ -- Raspbian forward porter <root@raspbian.org>  Wed, 05 Dec 2018 21:44:03 +0000
+
 kactivities-kf5 (5.51.0-1) unstable; urgency=medium
 
   * New upstream release (5.50.0).
diff -Nru kactivities-kf5-5.51.0/debian/rules kactivities-kf5-5.51.0/debian/rules
--- kactivities-kf5-5.51.0/debian/rules	2018-11-07 16:16:22.000000000 +0000
+++ kactivities-kf5-5.51.0/debian/rules	2018-12-05 21:44:03.000000000 +0000
@@ -6,6 +6,14 @@
 %:
 	dh $@ --with kf5,pkgkde_symbolshelper --buildsystem kf5 --without build_stamp
 
+override_dh_auto_build:
+	sed -i s/arch=!armel/optional=meh/ debian/libkf5activities5.symbols 
+	$(overridden_command)
+
+override_dh_auto_clean:
+	$(overridden_command)
+	sed -i s/optional=meh/arch=!armel/ debian/libkf5activities5.symbols 
+
 override_dh_auto_configure:
 	dh_auto_configure -- -DBUILD_QCH=ON