debian: cleanup changelog, include debian build flags

debian/rules

@@ -5,10 +5,13 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+DPKG_EXPORT_BUILDFLAGS = 1
+include /usr/share/dpkg/buildflags.mk
+
 export PREFIX=/usr
 
-build clean install binary-arch binary-indep binary:
-	+dh --parallel $(opt_no_act) $@
+%:
+	dh $@
 
 override_dh_auto_clean:
 	$(MAKE) spotless
@@ -19,29 +22,9 @@ override_dh_installchangelogs:
 		awk -f debian/changelog.upstream.awk
 	dh_installchangelogs debian/changelog.upstream
 
-opt_optimize = CFLAGS="-g -O2"
-opt_no_act =
-opt_quiet =
-
-ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
-    opt_optimize = CFLAGS="-g -O0"
-endif
-
-ifneq (,$(findstring n,$(MAKEFLAGS)))
-    opt_no_act = --no-act
-endif
-
-ifneq (,$(filter quiet,$(DEB_BUILD_OPTIONS)))
-    opt_quiet = --quiet
-    MAKEFLAGS += --quiet
-endif
-
 REPO = git://projects.qi-hardware.com/fped.git
 BRANCH = master
-debiandir_SQ = $(subst ','\'',$(dir $(lastword $(MAKEFILE_LIST))))
 get-orig-source:
 	REPO='$(REPO)' BRANCH='$(BRANCH)' \
-		sh '$(debiandir_SQ)'get-orig-source.sh
+		sh ./debian/get-orig-source.sh
 
-%:
-	dh $@