diff -Nru protobuf-c-1.2.1/debian/changelog protobuf-c-1.2.1/debian/changelog
--- protobuf-c-1.2.1/debian/changelog	2016-09-02 10:09:29.000000000 +0000
+++ protobuf-c-1.2.1/debian/changelog	2016-11-26 21:50:30.000000000 +0000
@@ -1,8 +1,11 @@
-protobuf-c (1.2.1-1build1) yakkety; urgency=medium
+protobuf-c (1.2.1-2) unstable; urgency=medium
 
-  * No-change rebuild for protobuf soname change.
+  [ Helmut Grohne ]
+  * Mark libprotobuf-c* Multi-Arch: same.
+  * Drop the protobuf-c-compiler -> libprotobuf-c-dev dependency.
+  * Mark protobuf-c-compiler Multi-Arch: foreign (Closes: #845518).
 
- -- Matthias Klose <doko@ubuntu.com>  Fri, 02 Sep 2016 10:09:29 +0000
+ -- Robert Edmonds <edmonds@debian.org>  Sat, 26 Nov 2016 16:50:30 -0500
 
 protobuf-c (1.2.1-1) unstable; urgency=medium
 
diff -Nru protobuf-c-1.2.1/debian/control protobuf-c-1.2.1/debian/control
--- protobuf-c-1.2.1/debian/control	2016-02-02 22:42:33.000000000 +0000
+++ protobuf-c-1.2.1/debian/control	2016-11-26 21:50:30.000000000 +0000
@@ -26,6 +26,7 @@
 Conflicts: libprotobuf-c0-dev
 Replaces: libprotobuf-c0-dev
 Breaks: protobuf-c-compiler (<< 1.0.0~)
+Multi-Arch: same
 Description: Protocol Buffers C static library and headers (protobuf-c)
  Protocol Buffers are a flexible, efficient, automated mechanism for
  serializing structured data - similar to XML, but smaller, faster, and
@@ -43,6 +44,7 @@
 Architecture: any
 Section: libs
 Depends: ${misc:Depends}, ${shlibs:Depends}
+Multi-Arch: same
 Description: Protocol Buffers C shared library (protobuf-c)
  Protocol Buffers are a flexible, efficient, automated mechanism for
  serializing structured data - similar to XML, but smaller, faster, and
@@ -61,6 +63,7 @@
 Section: debug
 Priority: extra
 Depends: libprotobuf-c1 (= ${binary:Version}), ${misc:Depends}
+Multi-Arch: same
 Description: Protocol Buffers C shared library debug symbols (protobuf-c)
  Protocol Buffers are a flexible, efficient, automated mechanism for
  serializing structured data - similar to XML, but smaller, faster, and
@@ -77,9 +80,9 @@
 Package: protobuf-c-compiler
 Architecture: any
 Depends:
- libprotobuf-c-dev (= ${binary:Version}),
  ${misc:Depends},
  ${shlibs:Depends},
+Multi-Arch: foreign
 Description: Protocol Buffers C compiler (protobuf-c)
  Protocol Buffers are a flexible, efficient, automated mechanism for
  serializing structured data - similar to XML, but smaller, faster, and