#!/usr/bin/make -f

include debian/rules.flags

include /usr/share/dpkg/architecture.mk

ifeq ($(DEB_HOST_ARCH_OS), linux)
deb_udevdir = $(shell pkg-config --variable=udevdir udev)
endif

%:
	dh $@ --with quilt

override_dh_autoreconf-arch: abibumpcheck
	dh_autoreconf

override_dh_autoreconf-indep:
	dh_autoreconf
	mkdir -p build-source
	tar \
	--owner=0 --group=0 \
        --transform 's,^,xorg-server/,' \
	--exclude=debian \
	--exclude=autom4te.cache \
	--exclude=build-source \
	--sort=name \
	--mtime=@$(SOURCE_DATE_EPOCH) \
	--clamp-mtime \
	--mode=u+rw,go+r,go-w,a-s \
        -cf - * | xz > build-source/xorg-server.tar.xz

override_dh_auto_configure:
	dh_auto_configure --builddirectory=debian/build/main -- \
		$(confflags) \
		$(confflags_main) \
		$(vars)
	dh_auto_configure --builddirectory=debian/build/udeb -- \
		$(confflags) \
		$(confflags_udeb) \
		$(vars)

override_dh_auto_build:
	dh_auto_build --builddirectory=debian/build/main
	dh_auto_build --builddirectory=debian/build/udeb

override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	dh_auto_test -- -j1 VERBOSE=1
	# Check basic functionality of Xvfb
	PATH="debian/build/main/hw/vfb:$$PATH" sh debian/local/xvfb-run -a -e /proc/self/fd/2 -s -noreset xdpyinfo
endif

override_dh_auto_install:
	dh_auto_install --builddirectory=debian/build/main \
		--destdir=debian/tmp/main
	dh_auto_install --builddirectory=debian/build/udeb \
		--destdir=debian/tmp/udeb

	# oh, yuck.
	find debian/tmp/*/usr/lib/xorg -type f -name '*.la' -delete

	# remove modules not needed in d-i
	rm -rf debian/tmp/udeb/usr/lib/xorg/modules/multimedia
	rm -f debian/tmp/udeb/usr/lib/xorg/modules/libxaa.so
	rm -f debian/tmp/udeb/usr/lib/xorg/modules/libexa.so
	rm -f debian/tmp/udeb/usr/lib/xorg/modules/libwfb.so
	rm -f debian/tmp/udeb/usr/lib/xorg/modules/libxf8_16bpp.so

	# we don't ship these from the udeb build, needed for dh_install
	# --fail-missing
	rm -rf debian/tmp/udeb/var/lib/xkb/README.compiled
	rm -rf debian/tmp/udeb/usr/bin/X
	rm -rf debian/tmp/udeb/usr/include
	rm -rf debian/tmp/udeb/usr/share/aclocal
	rm -rf debian/tmp/udeb/usr/share/man
	rm -rf debian/tmp/udeb/usr/lib/*/pkgconfig

	install -m 755 debian/local/xvfb-run debian/tmp/main/usr/bin
	install debian/local/xvfb-run.1 debian/tmp/main/usr/share/man/man1
ifneq ($(DEB_HOST_ARCH_OS), linux)
	install -d debian/tmp/main/usr/share/X11/xorg.conf.d
	install -m 644 debian/local/10-*.conf debian/tmp/main/usr/share/X11/xorg.conf.d
	install -d debian/tmp/udeb/usr/share/X11/xorg.conf.d
	install -m 644 debian/local/10-*.conf debian/tmp/udeb/usr/share/X11/xorg.conf.d
endif

# Only read the first line, the rest of the file is used to determine
# when the minimal version is to be bumped:
SERVERMINVER = debian/serverminver
serverminver = $(shell head -1 $(SERVERMINVER))

.PHONY: abibumpcheck
abibumpcheck: debian/serverminver
	@echo Checking for the need of an ABI bump
	# Build an updated version of the file:
	head -1 $(SERVERMINVER) > $(SERVERMINVER).new
	perl -ne 'print "$$1:$$2.$$3\n" if /^#define\s+(ABI_(?:VIDEODRV|XINPUT)_VERSION)\s+SET_ABI_VERSION\(\s*(\d+)\s*,\s*(\d+)\s*\)/' hw/xfree86/common/xf86Module.h|sort >> $(SERVERMINVER).new
	# Compare both files:
	@if ! cmp --quiet $(SERVERMINVER) $(SERVERMINVER).new; then \
	echo "serverminver bump required, ABI changed!";\
	echo "When bumping major or minor, always bump required xorg-server minimum";\
	echo "version too, the newly built drivers are not backwards compatible!";\
	diff -u $(SERVERMINVER) $(SERVERMINVER).new; \
	exit 1; \
	else \
	echo "ABI unchanged"; \
	rm -f $(SERVERMINVER).new; \
	fi

override_dh_fixperms-arch:
	dh_fixperms
	chown root:root $(CURDIR)/debian/xserver-xorg-legacy/usr/lib/xorg/Xorg.wrap
	chmod ug+s $(CURDIR)/debian/xserver-xorg-legacy/usr/lib/xorg/Xorg.wrap

override_dh_install:
	dh_install -pxserver-xorg-core-udeb --sourcedir=debian/tmp/udeb
	dh_install --remaining-packages --sourcedir=debian/tmp/main
	install -d $(CURDIR)/debian/xserver-xorg-dev/usr/share/xserver-xorg
	# Extract only the major ABI version:
	set -e; \
		abi_videodrv=`PKG_CONFIG_PATH=debian/tmp/main/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig pkg-config --variable=abi_videodrv xorg-server|cut -d . -f 1`; \
		test -n "$$abi_videodrv"; echo videoabi=xorg-video-abi-$$abi_videodrv > debian/xserver-xorg-core.substvars && \
		echo "xorg-video-abi-$$abi_videodrv, xserver-xorg-core (>= $(serverminver))" > debian/xserver-xorg-dev/usr/share/xserver-xorg/videodrvdep
	set -e; \
		abi_xinput=`PKG_CONFIG_PATH=debian/tmp/main/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig pkg-config --variable=abi_xinput xorg-server|cut -d . -f 1`; \
		test -n "$$abi_xinput"; echo inputabi=xorg-input-abi-$$abi_xinput >> debian/xserver-xorg-core.substvars && \
		echo "xorg-input-abi-$$abi_xinput, xserver-xorg-core (>= $(serverminver))" > debian/xserver-xorg-dev/usr/share/xserver-xorg/xinputdep

	# The udeb uses the same substvars:
	cp debian/xserver-xorg-core.substvars debian/xserver-xorg-core-udeb.substvars

	# save the configure flags so that packages like vnc, tightvnc, tigervnc
	# know how the package was built.
	echo 'xserver_confflags = $(confflags) $(confflags_main)' \
		> debian/xserver-xorg-dev/usr/share/xserver-xorg/configure_flags.mk

	install -m 755 -d debian/xserver-xorg-core/usr/share/bug/xserver-xorg-core
	install -m 755 debian/xserver-xorg-core.bug.script debian/xserver-xorg-core/usr/share/bug/xserver-xorg-core/script
ifeq ($(DEB_HOST_ARCH_OS), linux)
	install -d debian/xserver-xorg-core$(deb_udevdir)/rules.d
	install -m 644 debian/local/64-xorg-xkb.rules debian/xserver-xorg-core$(deb_udevdir)/rules.d
	install -d debian/xserver-xorg-core-udeb$(deb_udevdir)/rules.d
	install -m 644 debian/local/64-xorg-xkb.rules debian/xserver-xorg-core-udeb$(deb_udevdir)/rules.d
endif

override_dh_missing-indep:
	dh_missing -i -X udeb/

override_dh_missing-arch:
	dh_missing --fail-missing

override_dh_clean:
	dh_clean
	rm -rf debian/build
	rm -rf build-source