export HOME=$(CURDIR)/build
-CFLAGS = `dpkg-buildflags --get CFLAGS`
+CPPFLAGS = $(shell dpkg-buildflags --get CPPFLAGS)
+CFLAGS = $(shell dpkg-buildflags --get CFLAGS)
+CXXFLAGS:=$(shell dpkg-buildflags --get CXXFLAGS)
+LDFLAGS = $(shell dpkg-buildflags --get LDFLAGS)
+
CFLAGS += -Wall -Wno-comment
-LDFLAGS = `dpkg-buildflags --get LDFLAGS`
-CPPFLAGS = `dpkg-buildflags --get CPPFLAGS`
ifneq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
CFLAGS += -g -O0