diff -u pyxpcom-9.0~hg20111212/debian/rules pyxpcom-9.0~hg20111212/debian/rules
--- pyxpcom-9.0~hg20111212/debian/rules
+++ pyxpcom-9.0~hg20111212/debian/rules
@@ -24,6 +24,10 @@
 $(PP_FILES): %: %.in
 	sed $(foreach var,XREDIR PYVER INCDIR,-e 's|##$(var)##|$($(var))|g' )$^ > $@
 
+DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
+
+export MOZ_PYTHON_LIBDIR=/usr/lib/$(DEB_HOST_MULTIARCH)
+
 override_dh_auto_configure:
 	autoconf
 	dh_auto_configure -- --with-libxul-sdk=$(SDKDIR) --with-system-nspr
diff -u pyxpcom-9.0~hg20111212/debian/changelog pyxpcom-9.0~hg20111212/debian/changelog
--- pyxpcom-9.0~hg20111212/debian/changelog
+++ pyxpcom-9.0~hg20111212/debian/changelog
@@ -1,3 +1,11 @@
+pyxpcom (1:9.0~hg20111212-2+rpi1) jessie-staging; urgency=medium
+
+  * Force python library dir to multiarch path (Closes: 713221)
+  * Bump python-dev build-depends accordingly.
+  * Change build-dependency from xulrunner-dev to xulrunner-10.0-dev
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Fri, 07 Feb 2014 12:10:26 +0000
+
 pyxpcom (1:9.0~hg20111212-2) unstable; urgency=low
 
   * config/rules: Don't use SDK bin directory as temporary directory.
diff -u pyxpcom-9.0~hg20111212/debian/control pyxpcom-9.0~hg20111212/debian/control
--- pyxpcom-9.0~hg20111212/debian/control
+++ pyxpcom-9.0~hg20111212/debian/control
@@ -7,8 +7,8 @@
                autoconf2.13,
                dpkg-dev (>= 1.15.7),
                pkg-config,
-               python-dev (>= 2.6.6-3~),
-               xulrunner-dev (>= 9.0),
+               python-dev (>= 2.7.5),
+               xulrunner-10.0-dev (>= 9.0),
                zip
 Standards-Version: 3.9.2.0
 X-Python-Version: current