diff -Nru apulse-0.1.12/debian/changelog apulse-0.1.12/debian/changelog
--- apulse-0.1.12/debian/changelog	2018-05-19 17:39:22.000000000 +0000
+++ apulse-0.1.12/debian/changelog	2018-07-31 06:40:03.000000000 +0000
@@ -1,3 +1,9 @@
+apulse (0.1.12-2) unstable; urgency=medium
+
+  * Support multi-arch builds, thanks Yuriy M. Kaminskiy (Closes: #904848)
+
+ -- Mirek Kratochvil <exa.exa@gmail.com>  Tue, 31 Jul 2018 08:40:03 +0200
+
 apulse (0.1.12-1) unstable; urgency=medium
 
   * Upstream release 0.1.12 (Closes: #899043)
diff -Nru apulse-0.1.12/debian/control apulse-0.1.12/debian/control
--- apulse-0.1.12/debian/control	2018-05-19 17:39:22.000000000 +0000
+++ apulse-0.1.12/debian/control	2018-07-31 06:40:03.000000000 +0000
@@ -3,13 +3,15 @@
 Priority: optional
 Maintainer: Mirek Kratochvil <exa.exa@gmail.com>
 Build-Depends: debhelper (>= 11), cmake, pkg-config, libasound2-dev, libglib2.0-dev
-Standards-Version: 4.1.4
+Rules-Requires-Root: no
+Standards-Version: 4.1.5
 Homepage: https://github.com/i-rinat/apulse
 Vcs-Git: https://github.com/exaexa/apulse-debian.git
 Vcs-Browser: https://github.com/exaexa/apulse-debian
 
 Package: apulse
 Architecture: linux-any
+Multi-Arch: same
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Description: PulseAudio emulation for ALSA
  The program provides an alternative partial implementation of the PulseAudio
diff -Nru apulse-0.1.12/debian/patches/multi-arch.patch apulse-0.1.12/debian/patches/multi-arch.patch
--- apulse-0.1.12/debian/patches/multi-arch.patch	1970-01-01 00:00:00.000000000 +0000
+++ apulse-0.1.12/debian/patches/multi-arch.patch	2018-07-31 06:38:55.000000000 +0000
@@ -0,0 +1,34 @@
+Patch the build infrastructure to support multiarch.
+Index: apulse-0.1.12/CMakeLists.txt
+===================================================================
+--- apulse-0.1.12.orig/CMakeLists.txt
++++ apulse-0.1.12/CMakeLists.txt
+@@ -1,6 +1,8 @@
+ project(apulse)
+ cmake_minimum_required (VERSION 2.8)
+ 
++include(GNUInstallDirs)
++
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -Wall -fPIC -fvisibility=hidden")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror=implicit-function-declaration")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
+@@ -72,7 +74,7 @@ target_link_libraries(pulse-simple ${SYM
+ 
+ add_subdirectory(tests)
+ 
+-set(APULSEPATH "${CMAKE_INSTALL_PREFIX}/lib/apulse" CACHE PATH "library installation directory")
++set(APULSEPATH "${CMAKE_INSTALL_LIBDIR}/apulse" CACHE PATH "library installation directory")
+ set(APULSE_SEARCH_PATHS "${APULSEPATH}" CACHE PATH "directory list for LD_LIBRARY_PATH")
+ configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/apulse.template"
+                "${CMAKE_CURRENT_BINARY_DIR}/apulse" @ONLY)
+Index: apulse-0.1.12/src/apulse.template
+===================================================================
+--- apulse-0.1.12.orig/src/apulse.template
++++ apulse-0.1.12/src/apulse.template
+@@ -1,5 +1,5 @@
+ #!/bin/sh
+ 
+-APULSEPATH="@APULSE_SEARCH_PATHS@"
++APULSEPATH='/usr/$LIB/apulse'
+ 
+ LD_LIBRARY_PATH=$APULSEPATH${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} exec "$@"
diff -Nru apulse-0.1.12/debian/patches/series apulse-0.1.12/debian/patches/series
--- apulse-0.1.12/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ apulse-0.1.12/debian/patches/series	2018-07-31 06:32:38.000000000 +0000
@@ -0,0 +1 @@
+multi-arch.patch
diff -Nru apulse-0.1.12/debian/rules apulse-0.1.12/debian/rules
--- apulse-0.1.12/debian/rules	2018-05-19 17:39:22.000000000 +0000
+++ apulse-0.1.12/debian/rules	2018-05-20 20:06:01.000000000 +0000
@@ -1,6 +1,8 @@
 #!/usr/bin/make -f
 #export DH_VERBOSE = 1
 
+export DEB_BUILD_MAINT_OPTIONS=hardening=+all
+
 %:
 	dh $@