#!/usr/bin/make -f
# debian/rules for the Debian xorg-server package.
# Copyright © 2004 Scott James Remnant <scott@netsplit.com>
# Copyright © 2005 Daniel Stone <daniel@fooishbar.org>
# Copyright © 2005 David Nusinow <dnusinow@debian.org>

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

# Set up the $(STAMP_DIR) directory, and use it for quilt' stamp:
STAMP_DIR     := stampdir
QUILT_STAMPFN := $(STAMP_DIR)/patch
$(STAMP_DIR)/stampdir:
	mkdir $(STAMP_DIR)
	>$@

include /usr/share/quilt/quilt.make

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	MAKEFLAGS += -j$(NUMJOBS)
endif

DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
DEB_HOST_ARCH      ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_ARCH_OS   ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
	confflags += --build=$(DEB_HOST_GNU_TYPE)
else
	confflags += --build=$(DEB_BUILD_GNU_TYPE) --host=$(DEB_HOST_GNU_TYPE)
endif

# udeb is arch-dependent...
ifneq (, $(filter %-udeb, $(shell dh_listpackages -s)))
	udeb = yes
endif

# ...but let's support disabling it to speed up debug builds:
ifneq (,$(filter noudeb,$(DEB_BUILD_OPTIONS)))
	udeb =
	DH_INSTALL_OPTIONS = -Nxserver-xorg-core-udeb
endif


ifeq ($(DEB_HOST_ARCH_OS), linux)
	selinux = --enable-xselinux
	build_xmir = --enable-xmir
else
	selinux = --disable-xselinux
endif

# Mir isn't built on PPC
ifneq (,$(filter $(DEB_HOST_ARCH), arm64 powerpc ppc64el))
	build_xmir = --disable-xmir
endif

ifeq ($(DEB_HOST_ARCH_OS), hurd)
	dri = --disable-dri --disable-dri2 --disable-dri3
else
	dri = --enable-dri --enable-dri2
ifeq ($(DEB_HOST_ARCH_OS), linux)
	dri += --enable-dri3
else
	# disable dri3 on kbsd until xtrans fd passing is enabled
	dri += --disable-dri3
endif
endif

config_backend = --disable-config-dbus --disable-config-hal
ifeq ($(DEB_HOST_ARCH_OS), linux)
	config_backend += --enable-config-udev
else ifeq ($(DEB_HOST_ARCH_OS), kfreebsd)
	config_backend += --disable-config-udev --enable-config-devd
	libs = $(shell pkg-config --libs libbsd-overlay)
	cppflags = $(shell pkg-config --cflags libbsd-overlay)
else # hurd
	config_backend += --disable-config-udev
endif

vars = $(shell DEB_BUILD_MAINT_OPTIONS="hardening=+pie" DEB_LDFLAGS_MAINT_APPEND="-Wl,-Bsymbolic" DEB_CPPFLAGS_MAINT_APPEND="-DPRE_RELEASE=0 $(cppflags)" dpkg-buildflags --export=configure) LIBS="$(libs)"

ifneq (,$(filter nocheck, $(DEB_BUILD_OPTIONS)))
	config_tests = --disable-unit-tests
else
	config_tests = --enable-unit-tests
endif

INSTALL=/usr/bin/install

VENDOR = $(shell lsb_release -i -s)
SUPPORT = For technical support please see http://www.ubuntu.com/support

SOURCE_NAME    :=  xorg-server
SOURCE_VERSION := $(shell dpkg-parsechangelog | awk -F': ' '/^Version: / {print $$2}')

# Add a workaround for LP: #1266492
confflags += lt_cv_prog_compiler_static_works=no

# Add a workaround for LP: #1266492
confflags += lt_cv_prog_compiler_static_works=no

# disable-static is so we don't get libfoo.a for modules.  now if only we could
# kill the .las.
confflags += \
	     --disable-silent-rules \
	     --disable-static \
	     --without-dtrace \
	     --disable-strict-compilation \
	     --disable-debug \
	     $(config_tests) \
	     --with-int10=x86emu \
	     --with-extra-module-dir="/usr/lib/${DEB_HOST_MULTIARCH}/xorg/extra-modules,/usr/lib/xorg/extra-modules" \
	     --with-os-vendor="$(VENDOR)" \
	     --with-builderstring="$(SOURCE_NAME) $(SOURCE_VERSION) ($(SUPPORT))" \
	     --with-xkb-path=/usr/share/X11/xkb \
	     --with-xkb-output=/var/lib/xkb \
	     --disable-install-libxf86config \
	     --enable-mitshm \
	     --enable-xres \
	     --disable-xcsecurity \
	     --disable-tslib \
	     --enable-dbe \
	     --disable-xf86bigfont \
	     --enable-dpms \
	     $(config_backend) \
	     --enable-xorg \
	     --disable-linux-acpi \
	     --disable-linux-apm \
	     --disable-xquartz \
	     --disable-xwin \
	     --disable-xfake \
	     --disable-xfbdev \
	     --disable-install-setuid

confflags_main =	 \
	--with-default-font-path="/usr/share/fonts/X11/misc,/usr/share/fonts/X11/cyrillic,/usr/share/fonts/X11/100dpi/:unscaled,/usr/share/fonts/X11/75dpi/:unscaled,/usr/share/fonts/X11/Type1,/usr/share/fonts/X11/100dpi,/usr/share/fonts/X11/75dpi,built-ins" \
	--enable-aiglx \
	--enable-glx-tls \
	--enable-registry \
	--enable-composite \
	--enable-record \
	--enable-xv \
	--enable-xvmc \
	--enable-dga \
	--enable-screensaver \
	--enable-xdmcp \
	--enable-xdm-auth-1 \
	--enable-glx \
	$(dri) \
	--enable-present \
	--enable-xinerama \
	--enable-xf86vidmode \
	--enable-xace \
	$(selinux) \
	--enable-xfree86-utils \
	--enable-dmx \
	--enable-xvfb \
	--enable-xnest \
	--enable-kdrive \
	--enable-xephyr \
	$(build_xfbdev) \
	$(build_xmir) \
	--with-sha1=libgcrypt \
	--enable-xcsecurity \
	$(config_backend_main) \
	$(void)

confflags_udeb = \
	--with-default-font-path="built-ins" \
	--disable-aiglx \
	--disable-glx-tls \
	--disable-registry \
	--disable-composite \
	--disable-record \
	--disable-xv \
	--disable-xvmc \
	--enable-dga \
	--disable-screensaver \
	--disable-xdmcp \
	--disable-xdm-auth-1 \
	--disable-glx \
	--disable-dri \
	--disable-dri2 \
	--disable-xinerama \
	--disable-xf86vidmode \
	--disable-xace \
	--disable-xselinux \
	--disable-xfree86-utils \
	--disable-dmx \
	--disable-xvfb \
	--disable-xnest \
	--disable-kdrive \
	--disable-xephyr \
	--disable-xfbdev \
	--disable-xmir \
	--with-sha1=libnettle \
	$(config_backend_udeb) \
	$(void)

$(QUILT_STAMPFN): $(STAMP_DIR)/stampdir

$(STAMP_DIR)/autoreconf: $(STAMP_DIR)/stampdir $(QUILT_STAMPFN)
	dh_testdir
	autoreconf -vfi
	>$@

$(STAMP_DIR)/build-source: $(STAMP_DIR)/autoreconf
	mkdir -p build-source
	tar \
	--owner=0 --group=0 \
        --transform 's,^,xorg-server/,' \
        --exclude=stampdir --exclude=debian \
        --exclude=build-* --exclude=autom4te.cache \
        -cf - * | xz > build-source/xorg-server.tar.xz
	>$@

$(STAMP_DIR)/configure-%: $(STAMP_DIR)/autoreconf
	dh_testdir
	mkdir -p build-$*
	cd build-$* && \
	../configure \
	  --prefix=/usr \
	  --mandir=\$${prefix}/share/man \
	  --infodir=\$${prefix}/share/info \
	  --sysconfdir=/etc \
	  --localstatedir=/var \
	  $(confflags) \
	  $(confflags_$*) \
	  $(vars)
	>$@

$(STAMP_DIR)/build-%: $(STAMP_DIR)/configure-%
	dh_testdir
	cd build-$* && $(MAKE)
	>$@

$(STAMP_DIR)/tests-%: $(STAMP_DIR)/build-%
	cd build-$* && $(MAKE) check VERBOSE=1
	>$@

build: abibumpcheck
build: $(STAMP_DIR)/build-main
build: $(STAMP_DIR)/tests-main
ifeq ($(udeb), yes)
build: $(STAMP_DIR)/build-udeb
build: $(STAMP_DIR)/tests-udeb
endif
build-arch: build
build-indep: $(STAMP_DIR)/build-source build

clean: unpatch
	dh_testdir
	rm -rf $(STAMP_DIR)
	rm -f config.cache config.log config.status
	rm -f */config.cache */config.log */config.status
	rm -f conftest* */conftest*
	rm -rf autom4te.cache */autom4te.cache
	rm -rf build-*
	rm -f compile config.guess config.sub configure depcomp install-sh
	rm -f ltmain.sh missing INSTALL aclocal.m4 ylwrap
	rm -f include/do-not-use-config.h.in
	rm -f m4/lt*.m4 m4/libtool.m4
	find -name Makefile.in -delete
	rm -f test-driver
	dh_clean

install: build
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs

	cd build-main && $(MAKE) DESTDIR=$(CURDIR)/debian/tmp/main install
ifeq ($(udeb), yes)
	cd build-udeb && $(MAKE) DESTDIR=$(CURDIR)/debian/tmp/udeb install
endif

	# oh, yuck.
	find debian/tmp/*/usr/lib/xorg -type f -name '*.la' | \
	  xargs rm -f

	# 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, reduce noise from dh_install
	# --list-missing
	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
	# Make sure Xvfb at least starts up
	PATH=debian/tmp/main/usr/bin/:/bin:/usr/bin \
	  debian/tmp/main/usr/bin/xvfb-run -s "-screen 0 1280x1024x24 -nolisten tcp -noreset" true

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

# stub to start building deb files, used by binary-indep and binary-arch
binary-initial:
	dh_testdir
	dh_testroot

# stub to build deb files, used by binary-indep and binary-arch
binary-deb:
	dh_lintian
	dh_compress
	dh_fixperms
	dh_installdeb
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

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

.PHONY: abibumpcheck
abibumpcheck: debian/serverminver $(QUILT_STAMPFN)
	@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

# Build architecture-dependent files here.
binary-arch: build install
	$(MAKE) -f debian/rules DH_OPTIONS=-s binary-initial

	dh_installdocs -s
	dh_installchangelogs -s
	dh_install $(DH_INSTALL_OPTIONS) -s --list-missing
	$(INSTALL) -d $(CURDIR)/debian/xserver-xorg-dev/usr/share/xserver-xorg
	# Extract only the major ABI version:
	abi_videodrv=`PKG_CONFIG_PATH=debian/tmp/main/usr/lib/pkgconfig pkg-config --variable=abi_videodrv xorg-server|cut -d . -f 1`; \
	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
	abi_xinput=`PKG_CONFIG_PATH=debian/tmp/main/usr/lib/pkgconfig pkg-config --variable=abi_xinput xorg-server|cut -d . -f 1`; \
	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

	$(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/lib/udev/rules.d
	install -m 644 debian/local/64-xorg-xkb.rules debian/xserver-xorg-core/lib/udev/rules.d
ifeq ($(udeb), yes)
	install -d debian/xserver-xorg-core-udeb/lib/udev/rules.d
	install -m 644 debian/local/64-xorg-xkb.rules debian/xserver-xorg-core-udeb/lib/udev/rules.d
endif
endif
	dh_installdebconf -s
	dh_installman -s
	dh_link -s
	dh_strip -pxserver-xorg-xmir -pxserver-xorg-core --dbg-package=xserver-xorg-core-dbg
	dh_strip -s -Nxserver-xorg-core -Nxserver-xorg-core-dbg
	$(MAKE) -f debian/rules DH_OPTIONS=-s binary-deb


# Build architecture-independent files here
binary-indep: build-indep install check
	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-initial
	dh_install -i
	dh_installdocs -i
	dh_installchangelogs -i ChangeLog

	$(MAKE) -f debian/rules DH_OPTIONS=-i binary-deb

check:
	dh_testdir

binary: binary-indep binary-arch
.PHONY: build clean binary-indep binary-arch binary install