update build

debian/control

@@ -7,7 +7,6 @@ Homepage: https://guh.io
 Vcs-Git: https://github.com/guh/guh.git
 Build-Depends: debhelper (>= 9.0.0),
                dpkg-dev (>= 1.16.1~),
-               hardening-wrapper,
                python,
                rsync,
                qtchooser,

debian/rules

@@ -1,10 +1,18 @@
 #!/usr/bin/make -f
 # -*- makefile -*-
 
-# Uncomment this to turn on verbose mode.
 export DH_VERBOSE=1
 export QT_QPA_PLATFORM=minimal
 
+ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+	DEB_PARALLEL_JOBS ?= $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+else
+	DEB_PARALLEL_JOBS += $(shell getconf _NPROCESSORS_ONLN)
+endif
+
+DPKG_EXPORT_BUILDFLAGS = 1
+include /usr/share/dpkg/buildflags.mk
+
 %:
 	dh $@ --parallel
 

guh.pri

@@ -14,6 +14,11 @@ QT+= network websockets bluetooth
 QMAKE_CXXFLAGS += -Werror -std=c++11 -g
 QMAKE_LFLAGS += -std=c++11
 
+QMAKE_CPPFLAGS *= $(shell dpkg-buildflags --get CPPFLAGS)
+QMAKE_CFLAGS   *= $(shell dpkg-buildflags --get CFLAGS)
+QMAKE_CXXFLAGS *= $(shell dpkg-buildflags --get CXXFLAGS)
+QMAKE_LFLAGS   *= $(shell dpkg-buildflags --get LDFLAGS)
+
 top_srcdir=$$PWD
 top_builddir=$$shadowed($$PWD)