#!/usr/bin/make -f

built_binaries := $(shell dh_listpackages)

export DEB_BUILD_MAINT_OPTIONS=hardening=+bindnow

# Ensure the build aborts when there are still references to undefined symbols
DEB_LDFLAGS_MAINT_APPEND += -Wl,-z,defs

# NB: do NOT use -Wl,--as-needed to build glib; for instance the link to
# pthread is carefully crafted to allow dlopen()ing pthread-using libs; see
# https://marc.info/?i=1257999019.21780.15.camel@marzipan aka
# https://mail.gnome.org/archives/gtk-devel-list/2009-November/msg00096.html
DEB_LDFLAGS_MAINT_APPEND += -Wl,--no-as-needed

# Make the linker work a bit harder so dynamic loading can be done faster
DEB_LDFLAGS_MAINT_APPEND += -Wl,-O1

include /usr/share/dpkg/default.mk

ifeq (unstable,$(DEB_DISTRIBUTION))
$(error This version of GLib is not yet suitable for testing/unstable)
endif

%:
	dh $@

DEB_CONFIGURE_EXTRA_FLAGS =

ifneq ($(DEB_HOST_ARCH),$(DEB_BUILD_ARCH))
# Properties of glibc. These are the same for all Debian architectures,
# and are auto-detected when doing a native build.
DEB_CONFIGURE_EXTRA_FLAGS += --cross-file=$(CURDIR)/debian/meson/libc-properties.ini

# The direction of stack growth varies between architectures.
ifneq ($(filter hppa,$(DEB_HOST_ARCH_CPU)),)
DEB_CONFIGURE_EXTRA_FLAGS += --cross-file=$(CURDIR)/debian/meson/stack-grows-up.ini
else
DEB_CONFIGURE_EXTRA_FLAGS += --cross-file=$(CURDIR)/debian/meson/stack-grows-down.ini
endif

ifeq ($(DEB_HOST_ARCH_OS),linux)
DEB_CONFIGURE_EXTRA_FLAGS += --cross-file=$(CURDIR)/debian/meson/linux.ini
endif
endif # cross-compiling

ifneq ($(filter kfreebsd,$(DEB_HOST_ARCH_OS)),)
have_non_stub_xattr = false
else
have_non_stub_xattr = true
endif

# This target can be run manually to verify that we have the source code
# for these files. If all goes well, it should result in no diff.
# This is not done automatically during the build, because it requires a
# git checkout of GLib.
maintainer-update-unicode-data:
	rm -f glib/gscripttable.h
	rm -f glib/gunibreak.h
	rm -f glib/gunichartables.h
	rm -f glib/gunidecomp.h
	rm -f glib/tests/casefold.txt
	rm -f glib/tests/casemap.txt
	$(CURDIR)/tools/update-unicode-data.sh $(CURDIR)/unicode-data 15.1.0

override_dh_auto_configure:
	sed -e 's|@DEB_HOST_ARCH@|$(DEB_HOST_ARCH)|g' \
		< debian/meson/exe-wrapper.ini.in \
		> debian/meson/exe-wrapper.ini
	dh_auto_configure \
		--builddirectory=debian/build/deb \
		-- \
		$(DEB_CONFIGURE_EXTRA_FLAGS) \
		$(DEB_CONFIGURE_FLAGS_deb) \
		$(NULL)
ifneq ($(filter %-udeb,$(built_binaries)),)
	dh_auto_configure \
		--builddirectory=debian/build/udeb \
		-- \
		$(DEB_CONFIGURE_EXTRA_FLAGS) \
		$(DEB_CONFIGURE_FLAGS_udeb) \
		$(NULL)
endif

override_dh_clean:
	rm -rf $(CURDIR)/debian/build \
	       $(CURDIR)/debian/install
	dh_clean -Xorg.gtk.test.gschema.xml.orig -Xorg.gtk.test.gschema.override.orig

override_dh_gnome_clean:

override_dh_makeshlibs:
	dh_makeshlibs -plibglib2.0-tests -n
	dh_makeshlibs --remaining-packages --add-udeb=libglib2.0-udeb -- -c4

override_dh_strip_nondeterminism:
	dh_strip_nondeterminism -Xinstalled-tests

# (Ubuntu-specific)
# Don't strip translations from the installed tests; makes them environment dependent.
override_dh_translations:
	dh_translations -Xinstalled-tests

# Do not clutter $HOME with ~/.dbus-keyrings and avoid failure on the buildds
# where creating /home/buildd/.dbus-keyrings fails
export HOME=$(CURDIR)/debian/build

# Make sure that everything that uses D-Bus is creating its own temporary
# session rather than polluting the developer's (or failing, on buildds)
export DBUS_SESSION_BUS_ADDRESS=this-should-not-be-used-and-will-fail:

ifeq ($(DEB_HOST_ARCH_OS), linux)
handle_test_failure := exit $$?
else
handle_test_failure := true
endif

# Upstream test timeouts assume an otherwise unloaded system, but that
# isn't necessarily the case for a porterbox or multiple parallel builds.
# Keep the timeout reasonably short for architectures where interactive
# debugging is more likely, but extend it a lot on architectures that might
# be very slow or using qemu for buildds.
ifneq ($(filter amd64 i386,$(DEB_HOST_ARCH_CPU)),)
test_timeout_multiplier = 3
else
test_timeout_multiplier = 20
endif

override_dh_auto_test-arch:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	# Remove LD_PRELOAD so we don't run with fakeroot, which makes dbus-related tests fail
	# Remove LANGUAGE to avoid mismatches between expected and actual
	# messages in non-English locales (mainly on reproducible-builds)
	# First run the non-flaky tests, and fail the build if they fail (on linux)
	env \
		-u LANG \
		-u LANGUAGE \
		-u LD_PRELOAD \
		DEB_BUILD_TIME_TESTS=1 \
		LC_ALL=C.UTF-8 \
		MESON_TESTTHREADS=1 \
	debian/tests/run-with-locales \
		--generate de_DE=ISO-8859-1 \
		--generate de_DE.utf8 \
		--generate de_DE@euro.utf8 \
		--generate el_GR.utf8 \
		--generate en_GB=ISO-8859-1 \
		--generate en_GB.utf8 \
		--generate en_US=ISO-8859-1 \
		--generate en_US.utf8 \
		--generate es_ES.utf8 \
		--generate fa_IR=UTF-8 \
		--generate fa_IR.utf8 \
		--generate fr_FR.utf8 \
		--generate hr_HR.utf8 \
		--generate ja_JP.utf8 \
		--generate ja_JP.EUC-JP \
		--generate lt_LT.utf8 \
		--generate pl_PL=ISO-8859-2 \
		--generate pl_PL.ISO-8859-2 \
		--generate pl_PL.utf8 \
		--generate ru_RU=ISO-8859-5 \
		--generate ru_RU.utf8 \
		--generate sr_RS=UTF-8 \
		--generate sr_RS@latin=UTF-8 \
		--generate sv_SE=ISO-8859-1 \
		--generate sv_SE.utf8 \
		--generate tr_TR=ISO-8859-9 \
		--generate tr_TR.utf8 \
		--generate tt_RU=UTF-8 \
		--generate tt_RU.utf8 \
		--generate tt_RU@iqtelif=UTF-8 \
		-- \
	meson test -C debian/build/deb \
		--no-rebuild \
		--num-processes 1 \
		--timeout-multiplier $(test_timeout_multiplier) \
		--no-suite flaky \
		--verbose \
	|| $(handle_test_failure)
	# and then run the flaky ones, but ignore them failing
	env \
		-u LANG \
		-u LANGUAGE \
		-u LD_PRELOAD \
		DEB_BUILD_TIME_TESTS=1 \
		LC_ALL=C.UTF-8 \
		MESON_TESTTHREADS=1 \
	meson test -C debian/build/deb \
		--no-rebuild \
		--num-processes 1 \
		--timeout-multiplier $(test_timeout_multiplier) \
		--suite flaky \
		--verbose \
	|| true
endif

# Skip build-time tests if all we are building is documentation;
# running them once per architecture is plenty.
override_dh_auto_test-indep:

# Let's get failing tests' stdout and stderr so we have some information when
# a build fails
export VERBOSE=1

ifeq ($(DEB_HOST_ARCH_OS),linux)
enable_libmount := enabled
enable_selinux := enabled
else
enable_libmount := disabled
enable_selinux := disabled
endif

DEB_CONFIGURE_FLAGS_deb := \
	--default-library both \
	-Dinstalled_tests=true \
	-Dlibelf=enabled \
	-Dlibmount=$(enable_libmount) \
	-Dmultiarch=true \
	-Dselinux=$(enable_selinux) \
	-Dsystemtap=true \
	-Dxattr=$(have_non_stub_xattr) \
	$(NULL)

ifeq ($(filter nodoc,$(DEB_BUILD_PROFILES)),)
DEB_CONFIGURE_FLAGS_deb += -Dman-pages=enabled
else
DEB_CONFIGURE_FLAGS_deb += -Dman-pages=disabled
endif

ifneq ($(filter gir% %-doc,$(built_binaries)),)
DEB_CONFIGURE_FLAGS_deb += -Dgir_dir_prefix=lib/${DEB_HOST_MULTIARCH}
DEB_CONFIGURE_FLAGS_deb += -Dintrospection=enabled
ifneq ($(DEB_HOST_ARCH),$(DEB_BUILD_ARCH))
DEB_CONFIGURE_FLAGS_deb += --cross-file=$(DEB_HOST_GNU_TYPE)-gobject-introspection.ini
# GLib insists on having an exe_wrapper when we enable introspection,
# even though in Debian, we happen to know that our g-ir-scanner
# automatically uses qemu
DEB_CONFIGURE_FLAGS_deb += --cross-file=$(CURDIR)/debian/meson/exe-wrapper.ini
endif
else
DEB_CONFIGURE_FLAGS_deb += -Dintrospection=disabled
endif

ifneq ($(filter %-doc,$(built_binaries)),)
DEB_CONFIGURE_FLAGS_deb += -Ddocumentation=true
else
DEB_CONFIGURE_FLAGS_deb += -Ddocumentation=false
endif

DEB_CONFIGURE_FLAGS_udeb := \
	--default-library shared \
	-Ddocumentation=false \
	-Dinstalled_tests=false \
	-Dintrospection=disabled \
	-Dlibmount=disabled \
	-Dman-pages=disabled \
	-Dselinux=disabled \
	-Dxattr=$(have_non_stub_xattr) \
	$(NULL)

override_dh_auto_build:
	mkdir -p debian/tmp-xdg-runtime-dir
	dh_auto_build --builddirectory=debian/build/deb
ifneq ($(filter %-udeb,$(built_binaries)),)
	dh_auto_build --builddirectory=debian/build/udeb
endif

override_dh_auto_install:
	set -e; for script in postinst postrm triggers; do \
		sed -e"s/#MULTIARCH#/$(DEB_HOST_MULTIARCH)/g" \
		    -e"s/#ARCH#/$(DEB_HOST_ARCH)/g" \
		    debian/libglib2.0-0.$$script.in \
		    > debian/libglib2.0-0.$$script ; \
	done
ifneq ($(filter %-udeb,$(built_binaries)),)
	dh_auto_install -plibglib2.0-udeb --builddirectory=debian/build/udeb --destdir=debian/install/udeb
endif
	dh_auto_install --remaining-packages --builddirectory=debian/build/deb
	sed -i \
		-e 's|^girdir=\(.*\)|girdir=$${datadir}/gir-1.0|' \
		debian/tmp/usr/lib/*/pkgconfig/girepository-2.0.pc
ifneq ($(filter %-doc,$(built_binaries)),)
	sed -i \
		-e 's|https\?://docs\.gtk\.org/gio/|../gio/|' \
		-e 's|https\?://docs\.gtk\.org/glib/|../glib/|' \
		-e 's|https\?://docs\.gtk\.org/gmodule/|../gmodule/|' \
		-e 's|https\?://docs\.gtk\.org/gobject/|../gobject/|' \
		debian/tmp/usr/share/doc/*/*/urlmap.js
endif

override_dh_python3:
	# dh_python3 can't process both a private directory and /usr/bin
	# in the same invocation
	dh_python3 -plibglib2.0-dev-bin /usr/share/glib-2.0/codegen
	dh_python3 -plibglib2.0-tests --no-ext-rename /usr/libexec/installed-tests/glib
	dh_python3

override_dh_install:
ifneq ($(filter gir%,$(built_binaries)),)
	# The build currently installs to /usr/share/gir-1.0 even though we
	# specified lib/${DEB_HOST_MULTIARCH} as our gir_dir_prefix
	if ! [ -d debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/gir-1.0 ]; then \
		mv debian/tmp/usr/share/gir-1.0 debian/tmp/usr/lib/${DEB_HOST_MULTIARCH}/; \
	fi
else
	rm -fr debian/tmp/usr/lib/*/gir-1.0
	rm -fr debian/tmp/usr/lib/*/girepository-1.0
	rm -fr debian/tmp/usr/share/gir-1.0
endif
	# Unwanted bits from the .deb build
	rm -fr debian/tmp/usr/share/glib-2.0/codegen/__pycache__
ifneq ($(filter %-udeb,$(built_binaries)),)
	# Unwanted bits from the .udeb build
	rm -fr debian/install/udeb/usr/include
	rm -f debian/install/udeb/usr/lib/*/*.so
	rm -f debian/install/udeb/usr/lib/*/libgirepository*.so.*
	rm -fr debian/install/udeb/usr/lib/*/gir-1.0
	rm -fr debian/install/udeb/usr/lib/*/girepository-1.0
	rm -fr debian/install/udeb/usr/lib/*/pkgconfig
	rm -fr debian/install/udeb/usr/libexec/gio-launch-desktop
	rm -fr debian/install/udeb/usr/share/gdb
	rm -fr debian/install/udeb/usr/share/gettext/its
	rm -fr debian/install/udeb/usr/share/gir-1.0
	rm -fr debian/install/udeb/usr/share/glib-2.0/codegen
	rm -fr debian/install/udeb/usr/share/glib-2.0/gdb
	rm -fr debian/install/udeb/usr/share/glib-2.0/valgrind
	rm -fr debian/install/udeb/usr/share/man
	dh_install -plibglib2.0-udeb --sourcedir=debian/install/udeb
endif
ifneq ($(filter %-tests,$(built_binaries)),)
	sed -i -e '/^#!.*/,1 d' debian/tmp/usr/libexec/installed-tests/glib/taptestrunner.py
endif
	dh_install --remaining-packages

override_dh_dwz:
	dh_dwz -Nlibglib2.0-udeb

# debhelper >= 13.4 makes all of /usr/libexec executable, which is not
# quite right for installed-tests
override_dh_fixperms:
	dh_fixperms -Xusr/libexec/installed-tests
ifneq ($(filter %-tests,$(built_binaries)),)
	chmod --changes u=rw,og=r debian/libglib2.0-tests/usr/libexec/installed-tests/*/*.so
	chmod --changes u=rw,og=r debian/libglib2.0-tests/usr/libexec/installed-tests/*/*/*.so
	chmod --recursive --changes a+rX,u+w,og-w debian/libglib2.0-tests/usr/libexec/installed-tests
endif

override_dh_missing:
	dh_missing
ifneq ($(filter %-udeb,$(built_binaries)),)
	dh_missing --sourcedir=debian/install/udeb
endif