#!/usr/bin/make -f
# Sample debian/rules that uses debhelper.
# GNU copyright 1997 to 1999 by Joey Hess.

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

include /usr/share/python/python.mk

# Get build platform info
export DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
export DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
export DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
export DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
export DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)

ifeq ($(DEB_HOST_ARCH_OS),hurd)
CONFIGURE_LIBS    = LIBS="-Wl,--no-as-needed -Wl,-lpthread -Wl,--as-needed"
endif

UPSTREAM_VERSION  = $(shell dpkg-parsechangelog | perl -ne 'print $$1 if /^Version: (.*?)-(.*)$$/')

# sonames for various libraries
SO_CGRAPH	= 6
SO_CDT		= 5
SO_GVC		= 6
SO_PATHPLAN	= 4
SO_XDOT		= 4
SO_GVPR		= 2

#PHP_EXTENSION_DIR = $(shell php-config5 --extension-dir)
#PHP_PACKAGE       = $(CURDIR)/debian/libgv-php5

LUA_VERSION       = 5.2
LUA_PACKAGE       = $(CURDIR)/debian/libgv-lua

DEV_PACKAGE       = $(CURDIR)/debian/libgraphviz-dev

PYTHON_VERSIONS   = $(shell pyversions -r)
PYTHON_PACKAGE    = $(CURDIR)/debian/libgv-python

RUBY_PACKAGE      = $(CURDIR)/debian/libgv-ruby

CONFIG_SCRIPTS=config/config.guess libltdl/config/config.guess \
	       config/config.sub   libltdl/config/config.sub

ifneq (,$(filter $(DEB_HOST_ARCH), mipsel mips))
DEB_CFLAGS_MAINT_APPEND += "-fno-ipa-sra"
endif

# make's $(shell) doesn't use local variables, thus we need to define a
# custom command where DEB_LDFLAGS_MAINT_APPEND is passed.
# See: https://wiki.debian.org/HardeningWalkthrough#dpkg-buildflags
dpkg_buildflags = DEB_CFLAGS_MAINT_APPEND=$(DEB_CFLAGS_MAINT_APPEND) DEB_LDFLAGS_MAINT_APPEND="-Wl,--as-needed" dpkg-buildflags

configure-stamp:
	dh_testdir

	# Update the config scripts
	for i in $(CONFIG_SCRIPTS); do \
		cp /usr/share/misc/`basename $$i` $$i ; \
	done

	# Configure the package
	dh_autoreconf
	./configure --build=$(DEB_BUILD_GNU_TYPE) --host=$(DEB_HOST_GNU_TYPE) \
	--disable-silent-rules \
	--prefix=/usr \
	--datadir=\$${prefix}/share \
	--infodir=\$${prefix}/share/info \
	--mandir=\$${prefix}/share/man \
	--disable-static \
	--without-included-ltdl \
	--with-pangocairo \
	--with-x \
	--with-gdk-pixbuf \
	--with-gnomeui \
	--with-gtk \
	--with-gts \
	--without-ipsepcola \
	--without-rsvg \
	--enable-guile \
	--enable-lua \
	--enable-php \
	--enable-ruby \
	--enable-tcl \
	--disable-java \
	--disable-r \
	--disable-sharp \
	$(shell echo $(PYTHON_VERSIONS) | sed -e's,python,--enable-python,g' -e 's,\.,,g') \
	$(CONFIGURE_LIBS) \
	$(shell $(dpkg_buildflags) --export=configure)

	touch configure-stamp

build-arch: build
build-indep: build
build: configure-stamp build-stamp
build-stamp:
	dh_testdir

	# Install missing script mksvgfonts.pl to lib/common
	cp debian/mksvgfonts.pl lib/common
	chmod 744 lib/common/mksvgfonts.pl

	# Build
	$(MAKE)
	touch build-stamp

	# Build the manpage from SONAME-independent perlpod
	sed -e 's/##SONAME##/$(SO_GVC)/g' \
		debian/libgvc-config-update.pod.in > \
		debian/libgvc$(SO_GVC)-config-update.pod
	pod2man --center "GRAPHVIZ CONFIGURATION MANAGEMENT" \
		--release $(UPSTREAM_VERSION) \
	  --section 8 \
		debian/libgvc$(SO_GVC)-config-update.pod \
		debian/libgvc$(SO_GVC)-config-update.8

clean:
	dh_testdir
	dh_testroot
	rm -f build-stamp configure-stamp

	# Clean up if a build already happened
	[ ! -f Makefile ] || $(MAKE) distclean

	# Clean up intermediate and generated manpages
	rm -f debian/libgvc$(SO_GVC)-config-update.pod
	rm -f debian/libgvc$(SO_GVC)-config-update.8
	rm -f tclpkg/gv/*.pdf
	rm -f config.log lex.yy.c
	rm -f graphviz_version.h

	dh_clean $(CONFIG_SCRIPTS) \
		tclpkg/gv/gv.R tclpkg/gv/php_gv.h
	dh_autoreconf_clean
	dh_clean


install: build
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs

	# Install the package into debian/tmp
	$(MAKE) install DESTDIR=$(CURDIR)/debian/tmp

	# Remove .la files
	find -name '*.la' -delete
	# Remove unneeded documentation
	rm $(CURDIR)/debian/tmp/usr/share/graphviz/doc/pdf/smyrna.pdf

	# Strip the rpath on /usr/lib (at least on amd64), but not
	# on /usr/lib/graphviz (needed for the plugins), and bail
	# out if it is another case, while ignoring if there's no
	# RPATH at all (there are shell scripts under /usr/bin).
	for i in `find debian/tmp/usr/bin debian/tmp/usr/lib -type f` ; do \
		case `chrpath -l -k $$i` in \
			*RPATH=/usr/lib/graphviz) ;; \
			*RPATH=/usr/lib) chrpath -d $$i ;; \
			*RPATH=/usr/lib:/usr/lib/graphviz) chrpath -r /usr/lib/graphviz $$i ;; \
			*RPATH=*) echo "Unknown RPATH: $$i" ; exit 1 ;; \
			*) ;; \
		esac ; \
	done

	# Compute the dependencies of the -dev package
	# NOTE: It is important to do that before splitting the files into
	# their respective packages, otherwise the symlinks are broken
	d-devlibdeps \
		--override s/libpathplan$(SO_PATHPLAN)-dev// \
		--override s/libcdt$(SO_CDT)-dev//      \
		--override s/libcgraph$(SO_CGRAPH)-dev//   \
		--override s/libgvpr$(SO_GVPR)-dev//   \
		--override s/libxdot$(SO_XDOT)-dev//   \
		$(CURDIR)/debian/libgraphviz-dev.substvars \
		$(CURDIR)/debian/tmp/usr/lib/*.so

	# Move from debian/tmp to the appropriate packages, rename one binary
	DH_COMPAT=9 dh_install --sourcedir=debian/tmp --list-missing
	mv $(CURDIR)/debian/libgvc$(SO_GVC)/usr/sbin/dot \
		$(CURDIR)/debian/libgvc$(SO_GVC)/usr/sbin/libgvc$(SO_GVC)-config-update

	# Some additional work for libgv-php5
#	install -d $(PHP_PACKAGE)/$(PHP_EXTENSION_DIR)
#	mv $(PHP_PACKAGE)/usr/lib/graphviz/php/libgv_php.so \
		$(PHP_PACKAGE)/$(PHP_EXTENSION_DIR)/gv.so
#	install -d $(PHP_PACKAGE)/usr/share/php/libgv-php5
#	mv $(PHP_PACKAGE)/usr/lib/graphviz/php/gv.php \
		$(PHP_PACKAGE)/usr/share/php/libgv-php5
#	rm -rf $(PHP_PACKAGE)/usr/lib/graphviz
#	echo "php:Depends=phpapi-`php-config5 --phpapi`" >> $(PHP_PACKAGE).substvars
#	install -d $(PHP_PACKAGE)/etc/php5/mods-available/
#	cp $(CURDIR)/debian/gv.ini $(PHP_PACKAGE)/etc/php5/mods-available/

	# Some additional work for libgv-lua
	# 1. Rename using the LUA_VERSION
	mv $(LUA_PACKAGE)/usr/lib/graphviz/lua/libgv_lua.so \
		$(LUA_PACKAGE)/usr/lib/graphviz/lua/liblua$(LUA_VERSION)-libgv.so
	# 2. Add a symlink
	install -d $(LUA_PACKAGE)/usr/lib/lua/$(LUA_VERSION)
	ln -s /usr/lib/graphviz/lua/liblua$(LUA_VERSION)-libgv.so \
		$(LUA_PACKAGE)/usr/lib/lua/$(LUA_VERSION)/gv.so

	# Some additional work for libgv-python
	# Note the sed call because of python{24,25} instead of python{2.4,2.5}
	# Note gv.py isn't really duplicated, it's just installed in a location
	# where python-support will find it. Both being identical, python-support
	# will just do the right thing.
	for i in $(PYTHON_VERSIONS); do \
		install -d $(PYTHON_PACKAGE)/usr/lib/$$i/$(call py_sitename_sh, $$i) ; \
		cp $(PYTHON_PACKAGE)/usr/lib/graphviz/python/gv.py \
			$(PYTHON_PACKAGE)/usr/lib/$$i/$(call py_sitename_sh, $$i) ; \
		mv $(PYTHON_PACKAGE)/usr/lib/graphviz/$$(echo $$i|sed -e 's/\.//')/*.so \
			$(PYTHON_PACKAGE)/usr/lib/$$i/$(call py_sitename_sh, $$i) ; \
	done
	# remove _gv.so symlink, will be recreated after dh_python2 run
	rm $(PYTHON_PACKAGE)/usr/lib/python2.7/dist-packages/_gv.so
	rm -rf $(PYTHON_PACKAGE)/usr/lib/graphviz

	# Debian-specific manpage
	dh_installman -plibgvc$(SO_GVC)      \
		$(CURDIR)/debian/libgvc$(SO_GVC)-config-update.8

# Build architecture-independent files here.
binary-indep: build install
	dh_testdir -i
	dh_testroot -i
	dh_installdocs -i
	dh_installman
	dh_installmenu -i
	rm -f debian/graphviz-doc/usr/share/doc/graphviz/ChangeLog
	dh_installchangelogs ChangeLog -i
	dh_perl -i
	dh_link -i
	dh_strip -i
	dh_compress -i -X.pdf
	dh_fixperms -i
	dh_makeshlibs -i
	dh_installdeb -i
	dh_shlibdeps -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

# Build architecture-dependent files here.
# Pass -a to all debhelper commands in this target to reduce clutter.
binary-arch: build install
	dh_testdir -a
	dh_testroot -a
	dh_installdocs -a -XMakefile
	dh_installexamples -a
	dh_installmenu -a
	dh_installman -a
	dh_installchangelogs ChangeLog -a
	dh_perl -a
	dh_python2 -a
	# recreate correct _gv.*.so symlink
	ln -s libgv_python27.$(DEB_HOST_MULTIARCH).so \
		$(PYTHON_PACKAGE)/usr/lib/python2.7/dist-packages/_gv.$(DEB_HOST_MULTIARCH).so
	dh_link -a usr/share/man/man1/gxl2gv.1 usr/share/man/man1/gxl2dot.1 usr/share/man/man1/gxl2gv.1 usr/share/man/man1/dot2gxl.1
	dh_strip -a
	dh_lintian -a
	dh_compress -a
	dh_fixperms -a
	dh_makeshlibs \
		-plibgvc$(SO_GVC) -plibcgraph$(SO_CGRAPH) \
		-plibcdt$(SO_CDT) -plibpathplan$(SO_PATHPLAN) \
		-plibxdot$(SO_XDOT) -plibgvpr$(SO_GVPR)
	dh_installdeb -a
	dh_shlibdeps -a
	dh_gencontrol -a
	dh_md5sums -a
	dh_builddeb -a

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