#!/usr/bin/make -f

export DH_COMPAT=5

# Change this on API breakage
export LIBPTCOMPAT=1.9.3
export LIBPTCOMPAT2=1.10.0
export LIBPTCOMPAT3=1.10.1

#PACKAGE=libpt-$(LIBPTCOMPAT)
PACKAGE=libpt-1.10.0


# can err if the tarball is not yet extracted
VER_MAJOR := $(shell awk '/MAJOR_VERSION/ { print $$3 }' version.h 2>/dev/null)
VER_MINOR := $(shell awk '/MINOR_VERSION/ { print $$3 }' version.h 2>/dev/null)
VER_SUB   := $(shell awk '/BUILD_NUMBER/  { print $$3 }' version.h 2>/dev/null)

SHLIBSVER := $(VER_MAJOR).$(VER_MINOR).$(VER_SUB)

CFLAGS = -g -Wall

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
       CFLAGS += -O0
endif

export CFLAGS

# used for sed-ating out host specific data
export UNAME_R=`uname -r`

export DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
export DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
  confflags += --build $(DEB_HOST_GNU_TYPE)
else
  confflags += --build $(DEB_BUILD_GNU_TYPE) --host $(DEB_HOST_GNU_TYPE)
endif

# Ensure the build aborts when there are still references to undefined
# symbols.
LDFLAGS += -Wl,-z,def

DEBVERSION:=$(shell head -n 1 debian/changelog \
		    | sed -e 's/^[^(]*(\([^)]*\)).*/\1/')
UPVERSION:=$(shell echo $(DEBVERSION) | sed -e 's/^.*://' -e 's/-[0-9.]*$$//' -e 's/.dfsg$$//')
URLVERSION:=$(shell echo $(DEBVERSION) | sed -e 's/^.*://' -e 's/-[0-9.]*$$//' -e 's/.dfsg$$//' -e 's/\./_/g')

FILENAME := pwlib_$(UPVERSION)~dfsg.orig.tar.gz
UPFILENAME := pwlib_$(UPVERSION).orig.tar.gz
URL := http://www.voxgratia.org/releases/pwlib-v$(URLVERSION)-src.tar.gz

include /usr/share/dpatch/dpatch.make


build: build-arch build-indep

build-arch: config.status build-arch-stamp

config.status: patch-stamp autotools
	./configure $(confflags) --enable-plugins --enable-v4l2 --prefix=/usr

autotools:
	rm -f config.sub config.guess
	cp /usr/share/misc/config.sub config.sub
	cp /usr/share/misc/config.guess config.guess
	rm -f plugins/config.sub plugins/config.guess
	cp /usr/share/misc/config.sub plugins/config.sub
	cp /usr/share/misc/config.guess plugins/config.guess
	touch autotools
	
build-arch-stamp:
	# Compile it all, first static and then shared, so we get shared bins
	$(MAKE) PWLIBDIR=$(CURDIR) optnoshared clean
	$(MAKE) PWLIBDIR=$(CURDIR) -C samples/hello_world/ optnoshared
	samples/hello_world/obj_*_r/hello
	$(MAKE) PWLIBDIR=$(CURDIR) -C samples/hello_world/ clean
	
	$(MAKE) PWLIBDIR=$(CURDIR) optshared

	# try if our build actually works ;)
	$(MAKE) PWLIBDIR=$(CURDIR) -C samples/hello_world/ optshared
	
	LD_LIBRARY_PATH=$(CURDIR)/lib samples/hello_world/obj_*_r/hello
	$(MAKE) PWLIBDIR=$(CURDIR) -C samples/hello_world/ clean
	# if this won't work, we needn't even try going any further...
	
	touch build-arch-stamp

build-indep: build-indep-stamp
build-indep-stamp:
	$(MAKE) PWLIBDIR=$(CURDIR) docs
	touch build-indep-stamp

clean: clean-patched unpatch
clean-patched:
	$(checkdir)
	-rm -f build-arch-stamp build-indep-stamp patch-stamp
	-if [ -f Makefile ];then \
		$(MAKE) PWLIBDIR=$(CURDIR) clean || true;\
	fi
	-rm -f include/ptbuildopts.h
	-rm -f Makefile config.log config.status autotools
	-rm -f config.sub config.guess plugins/config.sub plugins/config.guess
	-rm -rf lib
	-rm -f make/ptbuildopts.mak make/ptlib-config
	-rm -rf plugins/pwlib
	-rm -f  plugins/Makefile plugins/config.status plugins/config.log
	-rm -f `find . -name "*~"`
	-rm -rf `find debian/* -type d -name "libpt-*"`
	-rm -rf  debian/files* core
	-rm -f debian/*substvars
	-rm -f debian/*.debhelper
	-rm -rf html
	-rm -f debian/libpt-*.*.docs
	-rm -f core a.out
	dh_clean

install: install-indep install-arch
install-indep:
	dh_testdir
	dh_testroot
	dh_clean -k -i
	dh_installdirs -i

install-arch:
	dh_testdir
	dh_testroot
	dh_clean -k -a
	dh_installdirs -a

	#INSTALL#
	$(MAKE) -C src/ptlib/unix install PWLIBDIR=$(CURDIR) INSTALL_DIR=$(CURDIR)/debian/$(PACKAGE)/usr
ifneq ($(SHLIBSVER),$(LIBPTCOMPAT))
	ln -s libpt.so.$(SHLIBSVER) \
	    debian/$(PACKAGE)/usr/lib/libpt.so.$(LIBPTCOMPAT)
endif
ifneq ($(SHLIBSVER),$(LIBPTCOMPAT2))
	ln -s libpt.so.$(SHLIBSVER) \
	    debian/$(PACKAGE)/usr/lib/libpt.so.$(LIBPTCOMPAT2)
endif
ifneq ($(SHLIBSVER),$(LIBPTCOMPAT3))
	ln -s libpt.so.$(SHLIBSVER) \
	    debian/$(PACKAGE)/usr/lib/libpt.so.$(LIBPTCOMPAT3)
endif

#	libpt-dev
	dh_movefiles -plibpt-dev --sourcedir=debian/$(PACKAGE) usr/lib/libpt.so
	-rm -f debian/$(PACKAGE)/usr/lib/libpt.so.? \
	   debian/$(PACKAGE)/usr/lib/libpt.so.?.?

	cp -vr include/pt* debian/libpt-dev/usr/include
	cp -vr make `pwd`/debian/libpt-dev/usr/share/pwlib
	-rm -f `pwd`/debian/libpt-dev/usr/share/pwlib/make/unix.mak*
	sed -e 's/$$(PWLIBDIR)\/include\/ptlib\/unix/\/usr\/include\/ptlib\/unix/g' \
	    -e 's/$$(PWLIBDIR)\/lib/\/usr\/lib/g' \
	    make/unix.mak > debian/libpt-dev/usr/share/pwlib/make/unix.mak
	cp lib/libpt.a debian/libpt-dev/usr/lib
	find debian/libpt-dev/usr/include -type f -exec chmod 644 {} \;
	# ptlib-config in libpt-dev
	# changing build/machine dependent data in ptlib-config
	-rm -f `find debian/libpt-dev/ -name ptlib-config`
	sed -e 's#^OSRELEASE=.*#OSRELEASE=\"\"#g' \
	    -e 's#^LIBDIR=.*#LIBDIR=\"/usr/lib\"#g' \
	    -e 's#^\(CCFLAGS=.*-DP_LINUX\)='$(UNAME_R)'\(.*\)\"#\1 \2 -DPHAS_TEMPLATES -I/usr/include/ptlib -I/usr/include/ptlib/unix\"#g' \
	    -e 's#^\(LIBS=.*\)\"#\1 -lpt\"#g' \
	    make/ptlib-config > debian/libpt-dev/usr/bin/ptlib-config
	chmod 0755 debian/libpt-dev/usr/bin/ptlib-config
	ln -s ../../../bin/ptlib-config debian/libpt-dev/usr/share/pwlib/make/
	# erasing build host specific && unnecessary stuff off ptbuildopts.mak
	-rm -f `find debian/libpt-dev/ -name ptbuildopts.mak`
	sed -e 's#^PWLIBDIR.*#PWLIBDIR = /usr/share/pwlib#g' \
	    -e 's#^OSRELEASE.*#OSRELEASE =#g' \
	    -e 's#^\(STDCCFLAGS.*-DP_LINUX\)='$(UNAME_R)'\(.*\)#\1 \2#g' \
	    make/ptbuildopts.mak > debian/libpt-dev/usr/share/pwlib/make/ptbuildopts.mak
	# for using /usr/share/pwlib as a single PWLIBDIR
	ln -s ../../lib debian/libpt-dev/usr/share/pwlib

	cp version.h debian/libpt-dev/usr/include/ptlib
	ln -s ../../include/ptlib/version.h debian/libpt-dev/usr/share/pwlib
	ln -s ../../../include/ptbuildopts.h debian/libpt-dev/usr/share/pwlib/include
	ln -s ../../../include/ptlib.h debian/libpt-dev/usr/share/pwlib/include
	ln -s ../../../include/ptlib debian/libpt-dev/usr/share/pwlib/include
	# should not be part of a distribution package:
	-rm -f `find debian/libpt-dev/ -name "*.in"`


# plugins
	#libpt-plugins-v4l
	cp plugins/pwlib/device/videoinput/v4l_pwplugin.so \
		debian/libpt-plugins-v4l/usr/lib/pwlib/device/videoinput/
		
	#libpt-plugins-v4l2
	cp plugins/pwlib/device/videoinput/v4l2_pwplugin.so \
		debian/libpt-plugins-v4l2/usr/lib/pwlib/device/videoinput/

	#libpt-plugins-avc
	cp plugins/pwlib/device/videoinput/avc_pwplugin.so \
		debian/libpt-plugins-avc/usr/lib/pwlib/device/videoinput/

	#libpt-plugins-dc
	cp plugins/pwlib/device/videoinput/dc_pwplugin.so \
		debian/libpt-plugins-dc/usr/lib/pwlib/device/videoinput/

	#libpt-plugins-oss
	cp plugins/pwlib/device/sound/oss_pwplugin.so \
		debian/libpt-plugins-oss/usr/lib/pwlib/device/sound/

	#libpt-plugins-alsa
	cp plugins/pwlib/device/sound/alsa_pwplugin.so \
		debian/libpt-plugins-alsa/usr/lib/pwlib/device/sound/

	cp debian/libpt.docs debian/$(PACKAGE).docs


# Must not depend on anything. This is to be called by
# binary-arch/binary-multi
# in another 'make' thread.
binary-common:
	dh_testdir
	dh_testroot
	dh_installdocs
	dh_installman
	dh_installchangelogs ChangeLog

#	Remove all CVS sub-directories
	find debian -name "CVS" -type d|xargs rm -rf
	find debian -name .cvsignore -exec rm -f {} \;

	dh_link
		
	dh_compress
	dh_fixperms
	dh_makeshlibs -V "$(PACKAGE) (>= $(DEBVERSION))"
	dh_installdeb
	dh_shlibdeps -L $(PACKAGE) -l debian/$(PACKAGE)/usr/lib
	dh_gencontrol
	dh_md5sums
	dh_builddeb

binary-strip:
	dh_testdir
	dh_testroot
	
ifneq (5,$(DH_COMPAT))
	dh_strip --dbg-package=libpt-dbg
else
	# As dh_strip does not work fine for multiple binary package
	# we need to workaround that manually
	dh_strip --exclude=libpt_d --keep-debug

	for pack in $(PACKAGE) libpt-plugins-alsa libpt-plugins-oss \
		libpt-plugins-v4l libpt-plugins-v4l2 libpt-plugins-avc \
		libpt-plugins-dc ; \
	do \
		cp -af debian/$$pack/usr/lib/debug debian/libpt-dbg/usr/lib && \
			rm -rf debian/$$pack/usr/lib/debug; \
	done
endif

# Build architecture independant packages using the common target.
binary-indep: build-indep install-indep
	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-common

# Build architecture dependant packages using the common target.
binary-arch: build-arch install-arch
	$(MAKE) -f debian/rules DH_OPTIONS=-a binary-strip
	$(MAKE) -f debian/rules DH_OPTIONS=-a binary-common

print-version:
	@@echo "Debian version:          $(DEBVERSION)"
	@@echo "Upstream version:        $(UPVERSION)"

get-orig-source:
	@@dh_testdir
	@@[ -d ../tarballs/. ]||mkdir -p ../tarballs
ifneq (,$(findstring dfsg,$(DEBVERSION)))
	@@echo Downloading $(UPFILENAME) from $(URL) for repacking ...
	@@wget -N -nv -T10 -t3 -O ../tarballs/$(UPFILENAME) $(URL)
	@@echo Repacking as DFSG-free...
	@@mkdir -p ../tarballs/pwlib-$(UPVERSION).tmp/
	@@cd ../tarballs/pwlib-$(UPVERSION).tmp ; \
	tar xfz ../$(UPFILENAME) 
	@@rm -f ../tarballs/pwlib-$(UPVERSION).tmp/pwlib*/samples/xmpptest/draft-ietf-*
	@@echo Writing archive ../tarballs/$(FILENAME)
	@@cd ../tarballs/pwlib-$(UPVERSION).tmp ; \
	tar cfz ../$(FILENAME) *
	@@echo Cleaning up...
	@@$(RM) -rf ../tarballs/pwlib-$(UPVERSION).tmp/ ../tarballs/$(UPFILENAME)
else
	@@echo Downloading $(UPFILENAME) from $(URL) ...
	@@wget -N -nv -T10 -t3 -O ../tarballs/$(UPFILENAME) $(URL)
	@@if ( tar tfvz ../tarballs/$(UPFILENAME)|grep -q draft-ietf- );then \
	echo Upstream release not DFSG-clean, removing.; \
	$(RM) ../tarballs/$(UPFILENAME);false; \
	else \
	echo Ready for packaging.;\
	fi
endif

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