#!/usr/bin/make -f

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

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/default.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_BUILD_OPTIONS += multiarch
# relative libdir
ifneq (,$(findstring multiarch,$(DEB_BUILD_OPTIONS)))
LIBDIR := usr/lib/$(DEB_HOST_MULTIARCH)
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, )
# currently fails in the cups gtkprint backend
#LDFLAGS += -Wl,-z,defs

APIVER := 2.0
SONAME := 0
SHVER := 2.24.0

# 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)/$(GTK_BINARY_VERSION)
OLD_MODULES_BASE_PATH := usr/lib/gtk-$(APIVER)/$(GTK_BINARY_VERSION)

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

# package groups, used in rule dependencies and in cleanup
BINARY_INDEP_PKGS := $(COMMON_PKG) $(DOC_PKG) libgail-doc
BINARY_ARCH_PKGS := $(SHARED_PKG) $(BIN_PKG) $(UDEB_PKG) $(DEV_PKG) $(EXAMPLES_PKG) $(PIXBUF_PKG) gir1.2-gtk-2.0 libgail18 libgail18-udeb 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 := shared shared_udeb 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 \
			--enable-introspection=no \
			--with-xinput=yes \
			--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) \
			--enable-shared \
			--enable-introspection \
			--enable-man \
			--disable-static
shared_udeb_configure_flags := $(configure_flags) \
			--enable-shared \
			--disable-static \
			--disable-introspection \
			--disable-xcomposite \
			--disable-xdamage \
			--disable-xfixes \
			--disable-xrandr
static_configure_flags := $(configure_flags) \
			--with-included-loaders=yes \
			--disable-modules \
			--disable-shared \
			--enable-static

# list of flavors to run the test suite on
CHECK_FLAVORS := $(filter shared static, $(FLAVORS))

DH_INSTALLDOCS_FILES := NEWS README AUTHORS

# 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/index.html
	gawk -f debian/gruik2devhelp.awk -v name=gtk-$* $< > $@
devhelpfiles: debian/gtk-faq.devhelp debian/gtk-tutorial.devhelp

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

patch: $(STAMP_DIR)/patch-stamp

$(STAMP_DIR)/patch-stamp:
	dh_testdir
	mkdir $(STAMP_DIR)
	mkdir -p m4
	cp /usr/share/gtk-doc/data/gtk-doc.make .
	dh_autoreconf
	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))

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

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

$(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)/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-arch: $(addprefix $(STAMP_DIR)/install-stamp-, $(FLAVORS))
install-indep: $(addprefix $(STAMP_DIR)/install-stamp-, shared)

# 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@#$(DEB_VERSION_UPSTREAM)#g" \
		-e "s#@GTK_BINVER_DEP@#$(GTK_BINVER_DEP)#g" \
		-e "s#@SHARED_PKG@#$(SHARED_PKG)#g" \
		-e "s#@COMMON_PKG@#$(COMMON_PKG)#g" \
		-e "s#@DEV_PKG@#$(DEV_PKG)#g" \
		-e "s#@UDEB_PKG@#$(UDEB_PKG)#g" \
		-e "s#@DOC_PKG@#$(DOC_PKG)#g" \
		-e "s#@BIN_PKG@#$(BIN_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@#$(LIBDIR)#g" \
		-e "s#@MODULES_BASE_PATH@#$(MODULES_BASE_PATH)#g" \
		-e "s#@OLD_MODULES_BASE_PATH@#$(OLD_MODULES_BASE_PATH)#g" \
		$@.in \
		> $@

clean:: debian/control
	dh_testdir
	dh_testroot
	# remove install and build dirs
	rm -rf $(installbasedir)
	rm -rf $(buildbasedir)
	dh_autoreconf_clean
	rm -f gtk-doc.make
	rm -f debian/*.devhelp
	-rm -rf $(STAMP_DIR)
	-rm -f $(call dh_subst_files,$(ALL_PKGS))
	-rm -f debian/dh_gtkmodules debian/dh_gtkmodules.1
	dh_clean

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

binary-indep: build-indep install-indep $(call dh_subst_files,$(BINARY_INDEP_PKGS)) devhelpfiles
	dh_testdir
	dh_testroot
	dh_install -i
	# changelog.gz symlinks will be overwritten by dh_link
	dh_installchangelogs -i -XChangeLog
	# 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) -X.in $(DH_INSTALLDOCS_FILES)
	# install copyright in all packages; the -p is for the special behavior
	# of dh_installdocs (ship README.Debian etc. in the first package)
	dh_installdocs -p$(COMMON_PKG) -X.in -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 -- -Zxz

binary-arch: build-arch $(maybe_check) install-arch $(call dh_subst_files,$(BINARY_ARCH_PKGS)) debian/dh_gtkmodules debian/dh_gtkmodules.1
	dh_testdir
	dh_testroot
	dh_install -s
	# changelog.gz symlinks will be overwritten by dh_link
	dh_installchangelogs -s -XChangeLog
	# 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$(PIXBUF_PKG) -s
	dh_installman -s
	dh_installexamples -s
	dh_link -s
	dh_strip -s --dbgsym-migration="libgtk2.0-0-dbg (<< 2.24.31-3~)" -N$(UDEB_PKG) -Nlibgail18 -Nlibgail18-udeb -Nlibgail-common
	dh_strip -plibgail18 -plibgail-common --dbgsym-migration="libgail-dbg (<< 2.24.31-3~)"
	dh_strip -p$(UDEB_PKG) -plibgail18-udeb
	dh_compress -s -X.sgml -X.devhelp
	dh_fixperms -s -X$(LIBDIR)/$(SHARED_PKG)
	dh_makeshlibs -p$(SHARED_PKG) \
		-X$(MODULES_BASE_PATH) \
		-V"$(SHARED_PKG) (>= $(SHVER))" \
		--add-udeb=$(UDEB_PKG) \
		-- -c4
	dh_makeshlibs -plibgail18 \
		-X$(MODULES_BASE_PATH) \
		-V"libgail18 (>= $(SHVER))" \
		--add-udeb=libgail18-udeb \
		-- -c4
	dh_girepository -pgir1.2-gtk-2.0
	dh_installdeb -s
	dh_shlibdeps -p$(PIXBUF_PKG) -- -xlibgtk2.0-0
	# --remaining-packages didn't work right so let's at least make sure
	# it doesn't run a second time for the pixbuf .so
	dh_shlibdeps --remaining-packages -Xlibpixmap.so
	dh_gencontrol -s
	dh_md5sums -s
	dh_builddeb -s -- -Zxz

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 build-indep build-arch check install clean binary binary-indep binary-arch list-missing devhelpfiles