#!/usr/bin/make -f
include /usr/share/dpkg/default.mk

built_binaries := $(shell dh_listpackages)

export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_LDFLAGS_MAINT_APPEND = -Wl,-O1
export DPKG_GENSYMBOLS_CHECK_LEVEL = 4

export GIR_SONAME = 1
export GIR_API_VERSION = 1.0
export GIR_FORMAT = 1.2

POD_MANPAGES := debian/dh_girepository.1
$(POD_MANPAGES): %.1: %
	pod2man -c "gobject-introspection" -r "$(DEB_VERSION)" $< $@

RST_MANPAGES := debian/g-ir-inspect.1
$(RST_MANPAGES): %.1: %.rst
	rst2man $< $@

MANPAGES := $(POD_MANPAGES) $(RST_MANPAGES)

%:
	dh $@ --builddir=_build

debian/extra-substvars:
	dpkg-architecture -c debian/extra-substvars.py > debian/extra-substvars

debian/libgirepository-1.0-1.symbols: debian/libgirepository-1.0-1.symbols.in debian/extra-substvars
	set -e; \
	libffiN=$$(sed -ne 's/^local:libffiN=//p' debian/extra-substvars); \
	sed -e "s/@libffiN@/$$libffiN/" < $< > $@

override_dh_clean:
	dh_clean -Xorg.gtk.test.gschema.xml.orig -Xorg.gtk.test.gschema.override.orig

configure_options = \
	-Dgir_dir_prefix=lib/${DEB_HOST_MULTIARCH} \
	-Dcairo=enabled \
	-Ddoctool=enabled \
	-Dpython=python3 \
	$(NULL)

ifeq ($(filter %-doc,$(built_binaries)),)
configure_options += -Dgtk_doc=false
else
configure_options += -Dgtk_doc=true
endif

ifneq ($(DEB_HOST_ARCH),$(DEB_BUILD_ARCH))
configure_options += --cross-file=$(CURDIR)/debian/meson-cross-for-build.ini
# This is a bit weird: gobject-introspection uses the build architecture
# gobject-introspection to build typelibs for the host architecture.
# That should maybe be fixed upstream, but for now force use of our
# appropriate $(DEB_HOST_GNU_TYPE)-g-ir-scanner and -compiler, which
# in turn will use the appropriate host gcc.
configure_options += --native-file=$(CURDIR)/debian/meson-cross-for-build.ini
configure_options += -Dgi_cross_binary_wrapper=qemu-$(DEB_HOST_ARCH)
configure_options += -Dgi_cross_ldd_wrapper=$(CURDIR)/debian/deb-elf-get-needed-for-build
configure_options += -Dgi_cross_use_prebuilt_gi=true
endif

ifeq ($(filter gir1.2-%,$(built_binaries)),)
configure_options += -Dbuild_introspection_data=false
endif

override_dh_auto_configure:
	dh_auto_configure -- $(configure_options)

ifeq ($(filter nodoc,$(DEB_BUILD_PROFILES)),)
execute_before_dh_auto_build: $(MANPAGES)
endif

execute_before_dh_auto_build: debian/cross-tools/deb-can-run-$(DEB_HOST_ARCH)
debian/cross-tools/deb-can-run-$(DEB_HOST_ARCH):
	mkdir -p debian/cross-tools
	$(DEB_HOST_GNU_TYPE)-gcc $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o$@ debian/can-run.c

execute_before_dh_auto_build: debian/deb-elf-get-needed
debian/deb-elf-get-needed:
	$(DEB_HOST_GNU_TYPE)-gcc $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o$@ debian/elf-get-needed.c -lelf

ifneq ($(DEB_HOST_ARCH),$(DEB_BUILD_ARCH))
execute_before_dh_auto_build: debian/deb-elf-get-needed-for-build
debian/deb-elf-get-needed-for-build:
	$(DEB_BUILD_GNU_TYPE)-gcc -o$@ debian/elf-get-needed.c -lelf
endif

execute_before_dh_auto_configure: debian/$(DEB_HOST_GNU_TYPE)-gobject-introspection.ini
debian/$(DEB_HOST_GNU_TYPE)-gobject-introspection.ini: debian/meson-cross-g-i.ini.in debian/rules
	sed \
		-e 's|@DEB_HOST_GNU_TYPE@|$(DEB_HOST_GNU_TYPE)|' \
		-e 's|@bindir@|/usr/bin|' \
		< $< > $@.tmp
	mv $@.tmp $@

execute_before_dh_auto_configure: debian/meson-cross-for-build.ini
debian/meson-cross-for-build.ini: debian/meson-cross-g-i.ini.in debian/rules
	sed \
		-e 's|@DEB_HOST_GNU_TYPE@|$(DEB_HOST_GNU_TYPE)|' \
		-e 's|@bindir@|/usr/bin|' \
		< $< > $@.tmp
	mv $@.tmp $@

execute_before_dh_auto_configure: cross-tools emulated-cross-tools

cross_tools = \
	g-ir-annotation-tool \
	g-ir-doc-tool \
	g-ir-scanner \
	$(NULL)
emulated_cross_tools = \
	g-ir-compiler \
	g-ir-generate \
	g-ir-inspect \
	$(NULL)
cross-tools: debian/cross-g-ir-tool.in debian/rules
	mkdir -p debian/cross-tools
	set -e; for tool in $(cross_tools); do \
		sed \
			-e 's|@CAN_RUN@|/usr/lib/$(DEB_HOST_MULTIARCH)/gobject-introspection/deb-can-run-$(DEB_HOST_ARCH)|' \
			-e 's|@DEB_HOST_ARCH@|$(DEB_HOST_ARCH)|' \
			-e 's|@DEB_HOST_GNU_TYPE@|$(DEB_HOST_GNU_TYPE)|' \
			-e 's|@DEB_HOST_MULTIARCH@|$(DEB_HOST_MULTIARCH)|' \
			-e 's|@GET_NEEDED@|/usr/libexec/gobject-introspection-bin/deb-elf-get-needed|' \
			-e 's|@TOOL@|'"$$tool"'|' \
			-e 's|@TOOL_PATH@|/usr/bin/'"$$tool"'|' \
			< $< > debian/cross-tool.tmp; \
		chmod 0755 debian/cross-tool.tmp; \
		mv debian/cross-tool.tmp debian/cross-tools/$(DEB_HOST_GNU_TYPE)-$$tool; \
	done

emulated-cross-tools: debian/emulated-g-ir-tool.in debian/rules
	mkdir -p debian/cross-tools
	set -e; for tool in $(emulated_cross_tools); do \
		sed \
			-e 's|@CAN_RUN@|/usr/lib/$(DEB_HOST_MULTIARCH)/gobject-introspection/deb-can-run-$(DEB_HOST_ARCH)|' \
			-e 's|@DEB_HOST_ARCH@|$(DEB_HOST_ARCH)|' \
			-e 's|@DEB_HOST_GNU_TYPE@|$(DEB_HOST_GNU_TYPE)|' \
			-e 's|@DEB_HOST_MULTIARCH@|$(DEB_HOST_MULTIARCH)|' \
			-e 's|@TOOL@|'"$$tool"'|' \
			-e 's|@TOOL_PATH@|/usr/lib/$(DEB_HOST_MULTIARCH)/gobject-introspection/'"$$tool"'|' \
			< $< > debian/cross-tool.tmp; \
		chmod 0755 debian/cross-tool.tmp; \
		mv debian/cross-tool.tmp debian/cross-tools/$(DEB_HOST_GNU_TYPE)-$$tool; \
	done

execute_after_dh_auto_install:
	sed -i \
		-e 's|^girdir=\(.*\)|girdir=$${datadir}/gir-1.0|' \
		-e 's|^g_ir_\(.*\)=\(.*\)/g-ir-\(.*\)$$|g_ir_\1=$${bindir}/${DEB_HOST_GNU_TYPE}-g-ir-\3|' \
		debian/tmp/usr/lib/*/pkgconfig/*.pc

execute_before_dh_makeshlibs: debian/libgirepository-1.0-1.symbols

ifneq ($(filter gir1.2-%,$(built_binaries)),)
execute_after_dh_shlibdeps:
	perl -w debian/dh_girepository -v -Nlibgirepository1.0-dev
endif

execute_before_dh_python3:
	dh_python3 /usr/lib/$(DEB_HOST_MULTIARCH)/gobject-introspection/giscanner/

override_dh_gencontrol: debian/extra-substvars
	dh_gencontrol -- -Tdebian/extra-substvars

override_dh_installdocs:
	dh_installdocs -pgobject-introspection-bin --doc-main-package=gobject-introspection
	dh_installdocs --remaining-packages

override_dh_installexamples:
	dh_installexamples -pgobject-introspection-bin --doc-main-package=gobject-introspection
	dh_installexamples --remaining-packages