#!/usr/bin/make -f

#uncomment if debhelper should be verbose
#export DH_VERBOSE=1

SONAME := 20


include /usr/share/quilt/quilt.make

#python versions
PYTHONS := $(shell pyversions -vr)
PYTHON_DEFAULT := $(strip $(shell pyversions -vd))

#debhelper version and settings needed for udev
DH_VERSION := $(shell dpkg -s debhelper | grep '^Version' | awk '{print $$2}')
LSB_RELEASE := $(shell lsb_release -si)
UDEV_BREAKS =

ifeq (Debian,$(strip $(LSB_RELEASE))) ## debian ##
ifeq (0, $(strip $(shell dpkg --compare-versions $(DH_VERSION) ge 7.3.15; echo $$?)))
UDEV_BREAKS = 125
endif
else ## not debian ##
ifeq (Ubuntu,$(strip $(LSB_RELEASE))) ## ubuntu ##
ifeq (0, $(strip $(shell dpkg --compare-versions $(DH_VERSION) ge 7.0.17ubuntu2; echo $$?)))
UDEV_BREAKS = 136-1
endif
endif ## ubuntu ##
endif ## debian ##


DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

SCONSOPTS = \
	prefix=/usr \
	systemd=yes \
	strip=no \
	dbus_export=yes \
	docdir=/usr/share/doc/gpsd \
	libdir=/usr/lib/$(DEB_HOST_MULTIARCH)

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
	SCONSOPTS += debug=yes
else
	SCONSOPTS += debug=no
endif

SCONSSTATICOPTS = python=no shared=no


#package names
PACKAGE_GPSD := gpsd
PACKAGE_CLIENTS := gpsd-clients
PACKAGE_LIB := libgps$(LIB_soname)
PACKAGE_QTLIB := libqgpsmm$(LIB_soname)
PACKAGE_LIB_DEV := libgps-dev
PACKAGE_QTLIB_DEV := libqgpsmm-dev
PACKAGE_PY := python-gps
PACKAGE_GPSDDBG := gpsd-dbg


cflags := $(shell dpkg-buildflags --get CFLAGS)
cppflags := $(shell dpkg-buildflags --get CPPFLAGS)
cxxflags := $(shell dpkg-buildflags --get CXXFLAGS)
ldflags := $(shell dpkg-buildflags --get LDFLAGS)
include /usr/share/hardening-includes/hardening.make
cflags += $(HARDENING_CFLAGS)
ldflags += $(HARDENING_LDFLAGS)
cxxflags += $(HARDENING_CFLAGS)

SCONS_ENV := set -e ;\
		export LDFLAGS="$(ldflags)" ;\
		export CFLAGS="$(cflags)" ;\
		export CXXFLAGS="$(cxxflags)" ;\
		export CPPFLAGS="$(cppflags)";


build-indep: build
build-arch: build

build: build-stamp build-static-stamp
build-stamp: $(QUILT_STAMPFN)
	set -e; \
	    for py in $(PYTHONS); do \
	    	$(SCONS_ENV) python$${py} /usr/bin/scons $(SCONSOPTS); \
		$(SCONS_ENV) python$${py}-dbg /usr/bin/scons $(SCONSOPTS); \
	    done
ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
	# disable tests on hurd due to weird ipv6 errors
	# http://deb.li/4C46AEAC.7040906@bzed.de
ifeq (,$(findstring hurd,$(DEB_HOST_ARCH_OS)))
	-$(SCONS_ENV) /usr/bin/scons check
endif
endif
	touch $@

build-static-stamp: $(QUILT_STAMPFN)
	mkdir static_lib
	find . \
	    -mindepth 1 -maxdepth 1 \
	    -name static_lib \
	    -prune \
	    -o -name debian -prune \
	    -o -exec cp -pr {} static_lib \;
	$(SCONS_ENV) scons -C static_lib $(SCONSOPTS) -c ;\
	$(SCONS_ENV) scons -C static_lib $(SCONSOPTS) $(SCONSSTATICOPTS) libgps.a
	touch $@

clean: clean-patched unpatch
clean-patched:
	dh_testdir
	dh_testroot
	set -e; \
	    for py in $(PYTHONS); do \
	    	$(SCONS_ENV) python$${py} /usr/bin/scons $(SCONSOPTS) -c ; \
	    	$(SCONS_ENV) python$${py}-dbg /usr/bin/scons $(SCONSOPTS) -c ; \
	    done
	rm -rf \
	    .sconf_temp \
	    .scons-option-cache \
	    .sconsign.dblite \
	    gps/*.pyc \
	    TROUBLESHOOTING \
	    debian/buildinfo.gz \
	    config.log \
	    static_lib \
	    debian/shlibs.local \
	    leapsecond.pyc
	dh_clean

install: install-stamp
install-stamp: build-stamp build-static-stamp
	dh_testdir
	dh_testroot
	dh_prep
	set -e ;\
	    for py in $(PYTHONS); do \
	    	$(SCONS_ENV) DESTDIR=`pwd`/debian/tmp python$${py} /usr/bin/scons install $(SCONSOPTS) ;\
	    	$(SCONS_ENV) DESTDIR=`pwd`/debian/tmp python$${py}-dbg /usr/bin/scons install $(SCONSOPTS) ;\
	    done
	# install static lib
	cp static_lib/libgps.a debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)
	# install hotplug wrapper
	mkdir -p debian/tmp/lib/udev
	cp gpsd.hotplug debian/tmp/lib/udev
	chmod 755 debian/tmp/lib/udev/gpsd.hotplug
	# remove rpaths
	find debian/tmp -type f -exec file {} \; |\
	    grep ELF |\
	    grep 'dynamically linked' |\
	    sed 's,:.*,,' |\
	    xargs chrpath -d
	cp INSTALL TROUBLESHOOTING
	# install systemd files
	mkdir -p debian/tmp/lib/systemd/system
	cp systemd/* debian/tmp/lib/systemd/system
	# fix various manpages
	for i in cgps.1 gegps.1 lcdgps.1 xgps.1 xgpsspeed.1 gpxlogger.1; do \
	    rm -f debian/tmp/usr/share/man/man1/$$i ;\
	    ln -s gps.1 debian/tmp/usr/share/man/man1/$$i ;\
	done
	rm -f debian/tmp/usr/share/man/man3/libQgpsmm.3
	ln -s libgpsmm.3.gz debian/tmp/usr/share/man/man3/libQgpsmm.3.gz
	# remove libgpsd development files - we don't want people to use the internal library
	for i in 	usr/share/man/man3/libgpsd.3 \
	    		usr/lib/$(DEB_HOST_MULTIARCH)/libgpsd.so \
			usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/libgpsd.pc ;\
	do \
	    rm debian/tmp/$$i ;\
	done
	# install everything
	dh_install --fail-missing
	touch $@


install-indep: install
install-arch: install

binary: install-stamp
	dh_testdir
	dh_testroot
	dh_installchangelogs  NEWS
	dh_installdocs 
	dh_installman 
	dh_installmenu 
	dh_installdebconf 
	dh_installinit  -- start 26 2 3 4 5 . stop 73 0 1 6 .
	dh_installexamples 
	chmod 755 debian/$(PACKAGE_PY)/usr/lib/python*/*-packages/gps/gps.py
	dh_python2  -Ngpsd
	dh_python2 -pgpsd /lib/udev/
	cp $(CURDIR)/gpsd.rules $(CURDIR)/debian/gpsd.udev
	dh_installudev 
	dh_link 
	dh_strip  --dbg-package=$(PACKAGE_GPSDDBG)
	dh_buildinfo -p$(PACKAGE_GPSDDBG)
	dh_compress 
	dh_fixperms  -Xgpsd.hotplug
	dh_lintian
ifeq (,$(DEB_BUILD_OPTIONS))
	dh_makeshlibs -Nlibqgpsmm$(SONAME)  -Xlibgpsd -- -c4
	dh_makeshlibs -plibqgpsmm$(SONAME) -- -c1
else
	dh_makeshlibs -Nlibqgpsmm$(SONAME) -Xlibgpsd
	dh_makeshlibs -plibqgpsmm$(SONAME)
endif
	echo 'libgpsd $(SONAME) libgps$(SONAME)' > debian/shlibs.local
	dh_shlibdeps 
ifneq (,$(UDEV_BREAKS))
	echo "gpsd:Breaks=udev (<< $(UDEV_BREAKS))" >> $(CURDIR)/debian/gpsd.substvars
endif
	dh_gencontrol 
	dh_installdeb 
	dh_md5sums 
	dh_builddeb 


binary-indep: binary
binary-arch: binary

.PHONY: binary binary-indep binary-arch \
	install install-arch install-indep \
	clean clean-patched \
	build