#!/usr/bin/make -f

# Debian GNOME Maintainers
DISABLE_UPDATE_UPLOADERS := 1
include /usr/share/gnome-pkg-tools/1/rules/uploaders.mk
# get-orig-source target
-include /usr/share/gnome-pkg-tools/1/rules/gnome-get-source.mk

GNOME_MODULE := gtk+

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

STAMP_DIR := debian/stampdir

PATCH_DIR := debian/patches

# rules in this debian/rules Makefile can be built concurrently as well as
# upstream rules in Makefile; all $(MAKE) invocations will inherit this flag,
# if you recurse into debian/rules ($(MAKE)
# -f debian/rules in rules), you need to pass a flag to avoid adding "-jX" when
# the childs encounters this line
DEB_BUILD_OPTIONS_PARALLEL ?= $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
PARALLEL_FLAGS += $(if $(DEB_BUILD_OPTIONS_PARALLEL),-j$(DEB_BUILD_OPTIONS_PARALLEL))

DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_BUILD_GNU_CPU  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_CPU)

# relative libdir
ifneq (,$(findstring multiarch,$(DEB_BUILD_OPTIONS)))
LIBDIR := usr/lib/$(DEB_HOST_GNU_TYPE)
else
LIBDIR := usr/lib
endif

# ppc64 support; see #386815
ifeq ($(DEB_HOST_GNU_CPU),powerpc64)
	CFLAGS += -mminimal-toc
endif

# default CFLAGS; these can be expanded with $(call flavor_get, )
CFLAGS += -Wall -g -O$(if $(findstring noopt,$(DEB_BUILD_OPTIONS)),0,2)

# default LDFLAGS; these can be expanded with $(call flavor_get, )
# used to fail in directfb code -- but this might be fixed -- currently fails
# in the cups gtkprint backend
#LDFLAGS += -Wl,-z,defs

DEBVERSION := $(shell dpkg-parsechangelog | sed -n -e 's/^Version: //p')
VERSION := $(shell echo $(DEBVERSION) | sed -e 's/-[^-]*$$//')
APIVER := 2.0
SONAME := 0
SHVER := 2.16.0

# earliest version that this release has backwards binary compatibility for
GTK_BINARY_VERSION := 2.10.0

# Gtk binary version virtual Provide
GTK_BINVER_DEP := gtk$(APIVER)-binver-$(GTK_BINARY_VERSION)

# relative base directory for all types of modules
MODULES_BASE_PATH := $(LIBDIR)/gtk-$(APIVER)/$(GTK_BINARY_VERSION)

# relative directory to store the generated IM module files
IMMODULE_FILES_D := $(MODULES_BASE_PATH)/immodule-files.d

# relative directory to store the generated GdkPixbuf loader files
LOADER_FILES_D := $(MODULES_BASE_PATH)/loader-files.d

# package names
SHARED_PKG := libgtk$(APIVER)-$(SONAME)
COMMON_PKG := libgtk$(APIVER)-common
DEV_PKG := libgtk$(APIVER)-dev
DIRECTFB_PKG := libgtk-directfb-$(APIVER)-$(SONAME)
DIRECTFB_DEV_PKG := libgtk-directfb-$(APIVER)-dev
UDEB_PKG := $(DIRECTFB_PKG)-udeb
DOC_PKG := libgtk$(APIVER)-doc
BIN_PKG := libgtk$(APIVER)-bin
DEBUG_PKG := $(SHARED_PKG)-dbg
EXAMPLES_PKG := gtk$(APIVER)-examples
PIXBUF_PKG := gtk2-engines-pixbuf

# package groups, used in rule dependencies and in cleanup
BINARY_INDEP_PKGS := $(COMMON_PKG) $(BIN_PKG) $(DOC_PKG) libgail-doc
BINARY_ARCH_PKGS := $(SHARED_PKG) $(DIRECTFB_PKG) $(UDEB_PKG) $(DEV_PKG) $(DIRECTFB_DEV_PKG) $(DEBUG_PKG) $(EXAMPLES_PKG) $(PIXBUF_PKG) libgail18 libgail-dbg libgail-dev libgail-common
ALL_PKGS := $(BINARY_INDEP_PKGS) $(BINARY_ARCH_PKGS)

# list of flavors we build; each gets a builddir, a configure pass (configure
# args are defined below), a build pass, and an install pass (in two steps)
# Note: the shared flavor is required
FLAVORS := directfb shared static

# current flavor we're building; this is only expanded in flavor specific
# targets
current_flavor = $*

# macro to get a value for the current flavor we're building; for example
# when building the shared flavor, $(call flavor_get,CFLAGS) will expand to
# shared_CFLAGS if it's set or to CFLAGS otherwise; pay attention to not adding
# superflous spaces when for the arguments of $(call ); only some vars can
# be expanded in this way though
flavor_get = $(or $($(current_flavor)_$(1)),$($(1)))

# build dir for the current flavor; this is only expanded in flavor specific
# targets
builddir = $(buildbasedir)/$(current_flavor)
buildbasedir = $(CURDIR)/debian/build

# install dir for the current flavor; this is only expanded in flavor specific
# targets
installdir = $(installbasedir)/$(current_flavor)
installbasedir = $(CURDIR)/debian/install

# configure flags
configure_flags := \
			--prefix=/usr \
			--libdir=/$(LIBDIR) \
			--mandir=\$${prefix}/share/man \
			--infodir=\$${prefix}/share/info \
			--sysconfdir=/etc \
			--enable-test-print-backend \
			--build=$(DEB_BUILD_GNU_TYPE)
ifneq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	configure_flags += --host=$(DEB_HOST_GNU_TYPE)
endif

shared_configure_flags := $(configure_flags) \
			--with-xinput=yes \
			--enable-shared \
			--disable-static
static_configure_flags := $(configure_flags) \
			--with-xinput=yes \
			--with-included-loaders=yes \
			--disable-modules \
			--disable-shared \
			--enable-static
directfb_configure_flags := $(configure_flags) \
			--with-xinput=no \
			--enable-shared \
			--disable-static \
			--enable-explicit-deps=yes \
			--with-gdktarget=directfb

# optional optimized flavor for some arches
OPTLIBDIR :=
# sample code
#ifneq ($(filter $(DEB_HOST_ARCH), armel),)
#FLAVORS += opt
#OPTLIBDIR := $(LIBDIR)/vfp
#opt_CFLAGS += $(CFLAGS) -mfpu=vfp -mfloat-abi=softfp
#opt_configure_flags := $(or $(shared_configure_flags),$(configure_flags))
#endif

# list of flavors to run the test suite on
CHECK_FLAVORS := $(filter directfb opt shared static, $(FLAVORS))
# don't run the directfb testsuite on kfreebsd as it hangs; see #431477
ifeq ($(DEB_HOST_ARCH_OS), kfreebsd)
CHECK_FLAVORS := $(filter-out directfb, $(CHECK_FLAVORS))
endif

DH_INSTALLDOCS_FILES := NEWS README ChangeLog*

# macro computing the list of 'debian/<pkg>.*" files which have a corresponding
# ".in" file; pass the list of packages in $(1)
dh_subst_files = $(patsubst %.in,%,$(wildcard $(addprefix debian/, $(addsuffix *.in, $(1)))))

# Gruik gruik generation of .devhelp files for the FAQ and tutorial
debian/gtk-%.devhelp: docs/%/html/book1.html
	gawk -f debian/gruik2devhelp.awk -v name=gtk-$* $< > $@
devhelpfiles: 

debian/dh_gtkmodules.1: debian/dh_gtkmodules
	cd debian && pod2man -c "Gtk" -r "$(DEBVERSION)" dh_gtkmodules dh_gtkmodules.1

patch: $(STAMP_DIR)/patch-stamp

$(STAMP_DIR)/patch-stamp:
	dh_testdir
	mkdir $(STAMP_DIR)
	# apply patches
	QUILT_PATCHES=$(PATCH_DIR) quilt --quiltrc /dev/null push -a || test $$? = 2
	# backup the original files to restore them in the clean target
	-test -r config.sub && cp config.sub config.sub.orig
	-test -r config.guess && cp config.guess config.guess.orig
	-test -r /usr/share/misc/config.sub && \
		cp -f /usr/share/misc/config.sub config.sub
	-test -r /usr/share/misc/config.guess && \
		cp -f /usr/share/misc/config.guess config.guess
	touch $@

$(STAMP_DIR)/configure-stamp-%: $(STAMP_DIR)/patch-stamp
	dh_testdir
	mkdir -p $(builddir)
	cd $(builddir) && \
		CFLAGS="$(call flavor_get,CFLAGS)" \
		LDFLAGS="$(call flavor_get,LDFLAGS)" \
			$(CURDIR)/configure $(call flavor_get,configure_flags)
	touch $@

configure: $(addprefix $(STAMP_DIR)/configure-stamp-, $(FLAVORS))

$(STAMP_DIR)/build-stamp-%: $(STAMP_DIR)/configure-stamp-%
	dh_testdir
	LD_LIBRARY_PATH=$(builddir)/gdk-pixbuf/.libs:$(builddir)/gtk/.libs:$(builddir)/gdk/.libs:$(LD_LIBRARY_PATH) \
		$(MAKE) $(PARALLEL_FLAGS) -C $(builddir)
	touch $@

build: $(addprefix $(STAMP_DIR)/build-stamp-, $(FLAVORS))

$(STAMP_DIR)/check-stamp-%: $(STAMP_DIR)/build-stamp-%
	dh_testdir
	# setting LD_LIBRARY_PATH for "make check" might be needed in the
	# future, but doesn't seem necessary right now
	#LD_LIBRARY_PATH=$(builddir)/gdk-pixbuf/.libs:$(builddir)/gtk/.libs:$(builddir)/gdk/.libs:$(LD_LIBRARY_PATH)
	# testsuite failures are ignored
	-$(MAKE) -C $(builddir) check
	touch $@

check: $(addprefix $(STAMP_DIR)/check-stamp-, $(CHECK_FLAVORS))

$(STAMP_DIR)/install-stamp-%: $(STAMP_DIR)/build-stamp-%
	mkdir -p $(installdir)
	$(MAKE) -C $(builddir) install \
		DESTDIR=$(installdir)
	touch $@

install: $(addprefix $(STAMP_DIR)/install-stamp-, $(FLAVORS))
	# Add necessary dependencies for the static build to Libs.private
	a=$$(grep ^Libs: $(installbasedir)/shared/$(LIBDIR)/pkgconfig/gdk-pixbuf-2.0.pc) ; \
	b=$$(grep ^Libs: $(installbasedir)/static/$(LIBDIR)/pkgconfig/gdk-pixbuf-2.0.pc) ; \
	c=$$(for i in $$b; do echo $$a| grep -q -e $$i || echo $$i; done) ; \
	echo Libs.private: $$c >> $(installbasedir)/shared/$(LIBDIR)/pkgconfig/gdk-pixbuf-2.0.pc

# gross kludge to force control generation with the %.in target
clean::
	touch debian/control.in

debian/%: debian/%.in
	dh_testdir
	sed \
		-e "s#@SONAME@#$(SONAME)#g" \
		-e "s#@APIVER@#$(APIVER)#g" \
		-e "s#@VERSION@#$(VERSION)#g" \
		-e "s#@GTK_BINVER_DEP@#$(GTK_BINVER_DEP)#g" \
		-e "s#@SHARED_PKG@#$(SHARED_PKG)#g" \
		-e "s#@COMMON_PKG@#$(COMMON_PKG)#g" \
		-e "s#@DEV_PKG@#$(DEV_PKG)#g" \
		-e "s#@DIRECTFB_PKG@#$(DIRECTFB_PKG)#g" \
		-e "s#@DIRECTFB_DEV_PKG@#$(DIRECTFB_DEV_PKG)#g" \
		-e "s#@UDEB_PKG@#$(UDEB_PKG)#g" \
		-e "s#@DOC_PKG@#$(DOC_PKG)#g" \
		-e "s#@BIN_PKG@#$(BIN_PKG)#g" \
		-e "s#@DEBUG_PKG@#$(DEBUG_PKG)#g" \
		-e "s#@EXAMPLES_PKG@#$(EXAMPLES_PKG)#g" \
		-e "s#@PIXBUF_PKG@#$(PIXBUF_PKG)#g" \
		-e "s#@GNOME_TEAM@#$(UPLOADERS)#g" \
		-e "s#@GTK_BINARY_VERSION@#$(GTK_BINARY_VERSION)#g" \
		-e "s#@LIBDIR@#$(LIBDIR)#g" \
		-e 's#@OPTLIBDIR@#$(OPTLIBDIR)#g' \
		-e "s#@MODULES_BASE_PATH@#$(MODULES_BASE_PATH)#g" \
		$@.in \
		$(wildcard $(if $(filter opt,$(FLAVORS)),$@.opt)) \
		> $@

clean:: debian/control
	dh_testdir
	dh_testroot
	# remove install and build dirs
	rm -rf $(installbasedir)
	rm -rf $(buildbasedir)
	# restore files from backup (before unpatching)
	-test -r config.sub.orig && mv -f config.sub.orig config.sub
	-test -r config.guess.orig && mv -f config.guess.orig config.guess
	# unapply patches, if any
	QUILT_PATCHES=$(PATCH_DIR) quilt --quiltrc /dev/null pop -a -R || test $$? = 2
	-rm -rf .pc
	rm -f debian/*.devhelp
	-rm -rf $(STAMP_DIR)
	-rm -f $(call dh_subst_files,$(ALL_PKGS))
	-rm -f debian/update-gdkpixbuf-loaders debian/update-gtk-immodules debian/dh_gtkmodules debian/dh_gtkmodules.1
	dh_clean

maybe_check = $(if $(findstring nocheck,$(DEB_BUILD_OPTIONS)),,check)

binary-indep: build $(maybe_check) install $(call dh_subst_files,$(BINARY_INDEP_PKGS)) devhelpfiles
	dh_testdir
	dh_testroot
	dh_install -i
	# changelog.gz symlinks will be overwritten by dh_link
	dh_installchangelogs -i ChangeLog*
	# do not merge the calls: dh_installdocs will only install some files
	# in the first package
	dh_installdocs -p$(COMMON_PKG) $(DH_INSTALLDOCS_FILES)
	dh_installdocs -p$(DOC_PKG) $(DH_INSTALLDOCS_FILES)
	# install copyright in all packages; the -p is for the special behavior
	# of dh_installdocs (ship README.Debian etc. in the first package)
	dh_installdocs -p$(COMMON_PKG) -i
	dh_installman -i
	dh_link -i
	dh_compress -i -X.sgml -X.devhelp
	dh_fixperms -i
	dh_installdeb -i
	dh_gencontrol -i
	dh_md5sums -i
	dh_builddeb -i

binary-arch: build $(maybe_check) install $(call dh_subst_files,$(BINARY_ARCH_PKGS)) debian/update-gdkpixbuf-loaders debian/update-gtk-immodules debian/dh_gtkmodules debian/dh_gtkmodules.1
	dh_testdir
	dh_testroot
	dh_install -s
	# empty the dependency_libs in the *.la files
	sed -i "/dependency_libs/ s/'.*'/''/" debian/$(DEV_PKG)/$(LIBDIR)/*.la
	# we don't need the rpath in the udeb
	chrpath -d debian/$(UDEB_PKG)/$(LIBDIR)/*directfb*.so.*
	# fix permissions of binaries below /$(LIBDIR)/$(SHARED_PKG)
	for f in update-gdkpixbuf-loaders update-gtk-immodules; do \
	    chmod 755 debian/$(SHARED_PKG)/$(LIBDIR)/$(SHARED_PKG)/$$f; \
	done
	# changelog.gz symlinks will be overwritten by dh_link
	dh_installchangelogs -s ChangeLog*
	# do not merge the calls: dh_installdocs only installs in the first pkg
	dh_installdocs -p$(EXAMPLES_PKG) $(DH_INSTALLDOCS_FILES)
	dh_installdocs -p$(PIXBUF_PKG) $(DH_INSTALLDOCS_FILES)
	# install copyright in all packages; the -p is for the special behavior
	# of dh_installdocs (ship README.Debian etc. in the first package)
	dh_installdocs -p$(PIXBUF_PKG) -s
	dh_installman -s
	# fix the permissions of the development package because it ships
	# dh_gtkmodules which we need to invoke in this build
	dh_fixperms -p$(DEV_PKG)
	# generate a dependency on the Gtk binary version
	debian/$(DEV_PKG)/usr/bin/dh_gtkmodules -p$(PIXBUF_PKG)
	# generate an IM module file and a GdkPixbuf loader file for the shared
	# library
	LD_LIBRARY_PATH=debian/$(SHARED_PKG)/$(LIBDIR):$(LD_LIBRARY_PATH) \
	GTK_QUERYLOADERS=$(installbasedir)/shared/usr/bin/gdk-pixbuf-query-loaders \
	GTK_QUERYIMMODULES=$(installbasedir)/shared/usr/bin/gtk-query-immodules-2.0 \
		debian/$(DEV_PKG)/usr/bin/dh_gtkmodules \
			-k \
			-p$(SHARED_PKG)
	# generate a GdkPixbuf loader config file for the udeb
	LD_LIBRARY_PATH=debian/$(UDEB_PKG)/$(LIBDIR):$(LD_LIBRARY_PATH) \
	GTK_QUERYLOADERS=$(installbasedir)/directfb/usr/bin/gdk-pixbuf-query-loaders \
		debian/$(DEV_PKG)/usr/bin/dh_gtkmodules \
			-k \
			-p$(UDEB_PKG)
	dh_installexamples -s
	dh_link -s
	dh_strip -s --dbg-package=$(DEBUG_PKG) -N$(UDEB_PKG) -Nlibgail18 -Nlibgail-common
	dh_strip -plibgail18 -plibgail-common --dbg-package=libgail-dbg
	dh_strip -p$(UDEB_PKG)
	dh_compress -s -X.sgml -X.devhelp
	dh_fixperms -s -X$(LIBDIR)/$(SHARED_PKG)
	dh_makeshlibs -p$(SHARED_PKG) \
		-X$(MODULES_BASE_PATH) \
		-V"$(SHARED_PKG) (>= $(SHVER))" \
		--add-udeb=$(UDEB_PKG) \
		-- -c4
	dh_makeshlibs -p$(DIRECTFB_PKG) \
		-X$(MODULES_BASE_PATH) \
		-V"$(DIRECTFB_PKG) (>= $(SHVER))" \
		--add-udeb=$(UDEB_PKG) \\
		-- -c4
	dh_makeshlibs -plibgail18 \
		-X$(MODULES_BASE_PATH) \
		-V"libgail18 (>= $(SHVER)), libgail-common (>= $(SHVER))" \
		-- -c4
	dh_installdeb -s
	# override shlibs for libraries from this source before computing
	# dependencies of packages generated from this source; we already have
	# inter-dependencies expressed manually in the control file, we do not
	# need the shlibs to add duplicates
	cat debian/*/DEBIAN/shlibs | \
		sed -n -r -e 's/(([^ ]+: )?([^ ]+) ([^ ]+)) .*/\1/p' \
			> debian/shlibs.local
	dh_shlibdeps
	-rm -f debian/shlibs.local
	dh_gencontrol -s
	dh_md5sums -s
	dh_builddeb -s

list-missing:
	perl -w debian/dh_listmissing.pl $(foreach f,$(FLAVORS),$(subst $(CURDIR)/,,$(installbasedir))/$(f)) 2>&1 | \
	    egrep -v '(\.la|$(LIBDIR)/gtk-2.0/$(GTK_BINARY_VERSION)/[^/]+/[^/]+\.a) has been installed' >&2

binary: binary-indep binary-arch
.PHONY: patch configure build check install clean binary-indep binary-arch list-missing binary devhelpfiles
