diff -Nru protobuf-3.6.1/debian/changelog protobuf-3.6.1/debian/changelog
--- protobuf-3.6.1/debian/changelog	2018-10-23 14:33:32.000000000 +0000
+++ protobuf-3.6.1/debian/changelog	2018-10-25 12:28:38.000000000 +0000
@@ -1,3 +1,9 @@
+protobuf (3.6.1-4+rpi1) buster-staging; urgency=medium
+
+  * Add armhf to libatomic architectures list.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 25 Oct 2018 12:28:38 +0000
+
 protobuf (3.6.1-4) unstable; urgency=medium
 
   * Note that -dev package contains common proto files (closes: #842159).
diff -Nru protobuf-3.6.1/debian/rules protobuf-3.6.1/debian/rules
--- protobuf-3.6.1/debian/rules	2018-08-14 18:22:07.000000000 +0000
+++ protobuf-3.6.1/debian/rules	2018-10-25 12:28:25.000000000 +0000
@@ -10,7 +10,7 @@
 export DH_RUBY_USE_DH_AUTO_INSTALL_DESTDIR = debian/ruby-google-protobuf
 export GEM2DEB_TEST_RUNNER = --check-dependencies
 
-ifneq (,$(findstring $(DEB_BUILD_ARCH), armel m68k mips mipsel powerpc powerpcspe sh4))
+ifneq (,$(findstring $(DEB_BUILD_ARCH), armhf armel m68k mips mipsel powerpc powerpcspe sh4))
 export DEB_LDFLAGS_MAINT_APPEND  = -latomic
 endif