update multiarch rule

debian/rules

@@ -11,6 +11,7 @@ else
 endif
 
 DPKG_EXPORT_BUILDFLAGS = 1
+include /usr/share/dpkg/buildflags.mk
 
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 PREPROCESS_FILES := $(wildcard debian/*.in)
@@ -18,22 +19,25 @@ PREPROCESS_FILES := $(wildcard debian/*.in)
 $(PREPROCESS_FILES:.in=): %: %.in
 	sed 's,/@DEB_HOST_MULTIARCH@,$(DEB_HOST_MULTIARCH:%=/%),g' $< > $@
 
-%:
-	dh $@ --buildsystem=qmake --parallel
 
 override_dh_auto_build:
 	make
 	make doc
 
-override_dh_clean:
-	dh_clean
 
 override_dh_auto_test:
 	make test
 
+
 override_dh_install:
 	dh_install --fail-missing
 
-%:
-	dh $@ --parallel
+
+override_dh_strip:
+	dh_strip --dbg-package=guh-dbg
+
+
+%:
+	dh $@ --buildsystem=qmake --parallel
+