Clean debian/rules.

debian/rules

 #!/usr/bin/make -f
 
-DEB_PYTHON_SYSTEM=pycentral
-DEB_DH_INSTALL_SOURCEDIR = debian/tmp
+DEB_PYTHON_SYSTEM = pycentral
 
 ifneq (,$(findstring $(DEB_HOST_ARCH), i386 amd64))
-  BUILD_XEN=--with-xen
-  BUILD_VBOX=--with-vbox
+  BUILD_XEN = --with-xen
+  BUILD_VBOX = --with-vbox
 else
-  BUILD_XEN=--without-xen
-  BUILD_VBOX=--without-vbox
+  BUILD_XEN = --without-xen
+  BUILD_VBOX = --without-vbox
 endif
 
 ifneq (,$(findstring $(DEB_HOST_ARCH), ia64))
-  BUILD_LXC=--without-lxc
+  BUILD_LXC = --without-lxc
 else
-  BUILD_LXC=--with-lxc
+  BUILD_LXC = --with-lxc
 endif
 
 include /usr/share/cdbs/1/rules/debhelper.mk
@@ -43,12 +42,12 @@ DEB_CONFIGURE_EXTRA_FLAGS :=     \
 
 DEB_DBG_PACKAGES = libvirt0-dbg
 DEB_DBG_PACKAGE_libvirt0 = libvirt0-dbg
-DEB_PYTHON_SETUP_CMD := /dev/null
+DEB_PYTHON_SETUP_CMD = /dev/null
 DEB_DH_MAKESHLIBS_ARGS_libvirt0 += -V 'libvirt0 (>= 0.5.0)'
-DEB_DH_INSTALLINIT_ARGS := --no-restart-on-upgrade -- defaults 28 72
-DEB_DH_INSTALLLOGROTATE_ARGS := --name=libvirtd
+DEB_DH_INSTALLINIT_ARGS = --no-restart-on-upgrade -- defaults 28 72
+DEB_DH_INSTALLLOGROTATE_ARGS = --name=libvirtd
 
-EXAMPLES=debian/libvirt-doc/usr/share/doc/libvirt-doc/examples/
+EXAMPLES = debian/libvirt-doc/usr/share/doc/libvirt-doc/examples/
 
 binary-install/libvirt-doc::
 	cd $(EXAMPLES) && rm -rf .libs *.o info1 suspend ../html/CVS