diff -Nru allegro4.4-4.4.2/debian/changelog allegro4.4-4.4.2/debian/changelog
--- allegro4.4-4.4.2/debian/changelog	2016-06-21 21:48:48.000000000 +0200
+++ allegro4.4-4.4.2/debian/changelog	2017-01-28 19:42:25.000000000 +0100
@@ -1,3 +1,10 @@
+allegro4.4 (2:4.4.2-10) unstable; urgency=medium
+
+  * Remove build-depend on oss4-dev on Linux, use ALSA instead
+    (Closes: #852983)
+
+ -- Andreas Rönnquist <gusnan@debian.org>  Sat, 28 Jan 2017 19:42:25 +0100
+
 allegro4.4 (2:4.4.2-9) unstable; urgency=medium
 
   * Apply patch of Reiner Herrmann improving build reproducability.
diff -Nru allegro4.4-4.4.2/debian/control allegro4.4-4.4.2/debian/control
--- allegro4.4-4.4.2/debian/control	2016-06-21 20:50:08.000000000 +0200
+++ allegro4.4-4.4.2/debian/control	2017-01-28 19:42:25.000000000 +0100
@@ -14,7 +14,7 @@
                libxt-dev,
                libxcursor-dev,
                libasound2-dev (>= 0.9) [linux-any],
-               oss4-dev,
+               oss4-dev [kfreebsd-any],
                libxxf86dga-dev,
                libxxf86vm-dev,
                libgl1-mesa-dev,
diff -Nru allegro4.4-4.4.2/debian/rules allegro4.4-4.4.2/debian/rules
--- allegro4.4-4.4.2/debian/rules	2016-06-21 20:50:08.000000000 +0200
+++ allegro4.4-4.4.2/debian/rules	2017-01-28 19:42:25.000000000 +0100
@@ -4,6 +4,7 @@
 # export DH_VERBOSE=1
 
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
+DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
 
 CPPFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS)
 CFLAGS:=$(shell dpkg-buildflags --get CFLAGS) $(CPPFLAGS)
@@ -21,7 +22,6 @@
 		-DCMAKE_SKIP_RPATH:BOOL=ON \
 		-DCMAKE_BUILD_TYPE=Release \
 		-DWANT_MODULES=ON \
-		-DWANT_OSS=ON \
 		-DWANT_ALSA=ON \
 		-DWANT_JACK=OFF \
 		-DWANT_SGIAUDIO=OFF \
@@ -34,6 +34,13 @@
 		-DWANT_EXAMPLES=ON \
 		-DWANT_TESTS=ON
 
+# kFreeBSD specific flags, use OSS only on kfreebsd
+ifeq (,$(filter-out kfreebsd,$(DEB_HOST_ARCH_OS)))
+DEB_CMAKE_OPTIONS += -DWANT_OSS=ON
+else
+DEB_CMAKE_OPTIONS += -DWANT_OSS=OFF
+endif
+
 DOC_DIR ?= usr/share/doc/allegro4-doc/
 DOC_INFO_DIR ?= usr/share/info/
 DOC_HTML_DIR ?= usr/share/doc/allegro4-doc/html/