#!/usr/bin/make -f

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

DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

export QTDIR := $(shell pwd)
export PATH := $(QTDIR)/bin:$(PATH)
export CFLAGS := $(shell dpkg-buildflags --get CFLAGS) $(shell dpkg-buildflags --get CPPFLAGS)
export CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS) $(shell dpkg-buildflags --get CPPFLAGS) -std=gnu++98
export LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS) -Wl,--as-needed
# workaround to use lrelease.
export LD_LIBRARY_PATH := $(QTDIR)/lib:$(LD_LIBRARY_PATH)
# workaround to use qhelpgenerator.
export QT_PLUGIN_PATH := $(QTDIR)/plugins

# Packages with own debug package
pkgs_dbg := $(shell dh_listpackages | grep dbg | sed -e '/libqt4-dbg/d; s|-dbg||')
# Packages whose debug symbols belong to qt4-bin-dbg
pkgs_dbgbin := libqt4-dev-bin $(filter-out %-dbg lib% $(pkgs_dbg),$(shell dh_listpackages))
# Library package list for override_dh_makeshlibs, excludes libqt4-phonon
pkgs_lib := $(filter-out %-dev %-dbg libqt4-phonon libqt4-dev-bin,$(filter lib%,$(shell dh_listpackages)))
# Upstream changelog
upstream_changes := $(wildcard changes-*)
# Current debian version (e.g.: 4:4.5.2-1)
current_version := $(shell dpkg-parsechangelog | sed -n 's/^Version: //p')
# Specific shlibs version (e.g.: 4:4.5.2)
shlibs_version := $(shell dpkg-parsechangelog | sed -n 's/^Version: //p' | cut -f1 -d '-')
# libqt4-phonon shlibs. Minimum libphonon4 version may need adjusting for new
# Qt upstream release
libqt4phonon_shlibs := libphonon4 (>= 4:4.6.0) | libqt4-phonon (= $(current_version))
# Distribution vendor
vendor := $(shell dpkg-vendor --query Vendor)

ifneq (,$(filter %-sql-ibase,$(shell dh_listpackages)))
	extra_configure_opts += -plugin-sql-ibase
else
	extra_configure_opts += -no-sql-ibase
endif

ifneq (,$(filter %-sql-sqlite2,$(shell dh_listpackages)))
	extra_configure_opts += -plugin-sql-sqlite2
else
	extra_configure_opts += -no-sql-sqlite2
endif

ifeq ($(DEB_HOST_ARCH),arm)
	extra_configure_opts += -DQT_QLOCALE_USES_FCVT
endif

armv6_architectures := armhf
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(armv6_architectures)))
	extra_configure_opts += -arch armv6
endif

ifeq ($(vendor),Ubuntu)
gles2_architectures := armel armhf
else
gles2_architectures := none_for_now
endif
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(gles2_architectures)))
	extra_configure_opts += -opengl es2
else
	extra_configure_opts += -opengl desktop \
	                        -no-egl
endif

ifeq ($(DEB_HOST_ARCH_OS),linux)
  ifneq (,$(filter $(DEB_HOST_ARCH),alpha ia64 mips64 mips64el))
	platform_arg = linux-g++
  else ifneq (,$(filter $(DEB_HOST_ARCH),arm64 riscv64))
	# arm64 and riscv64 do not use -m64, so avoid linux-g++-64.
	platform_arg = linux-g++
  else ifeq ($(DEB_HOST_ARCH_BITS),64)
	platform_arg = linux-g++-64
  else
	platform_arg = linux-g++
  endif
else
  ifeq ($(DEB_HOST_ARCH_OS),hurd)
	platform_arg = hurd-g++
  else
	platform_arg = glibc-g++
  endif
endif

no_pch_architectures := arm64 armhf ia64 powerpc powerpcspe ppc64 ppc64el riscv64
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(no_pch_architectures)))
	extra_configure_opts += -no-pch
endif

%:
	dh $@ --parallel --with pkgkde_symbolshelper

override_dh_auto_configure:
	# Test broken hppa kernel with glibc >= 2.5
ifeq ($(DEB_HOST_ARCH),hppa)
	mkdir -p debian/hppa-tmp
	echo "Testing whether getdents kernel bug is present on this buildd - see #433768"
	gcc -o debian/hppa-tmp/hppa-test-program debian/readdir-hppa-test.c
	cd $(CURDIR)/doc/src/images && $(CURDIR)/debian/hppa-tmp/hppa-test-program | sort > $(CURDIR)/debian/hppa-tmp/readdir_r-out
	cd $(CURDIR)/doc/src/images && ls -a | sort > $(CURDIR)/debian/hppa-tmp/ls-a-out
	@if ! diff -q $(CURDIR)/debian/hppa-tmp/readdir_r-out $(CURDIR)/debian/hppa-tmp/ls-a-out ; \
		then \
		echo "Kernel bug present. This will misbuild qt4 if proceeding. Failing" ; \
		echo "Please update kernel and test again" ; \
		exit 5 ; \
	fi
endif

	# Create mkspecs/glibc-g++ from mkspecs/linux-g++, needed by GNU/kFreeBSD
	# we cannot use directly linux-g++ due to src/corelib/io/io.pri
	rm -rfv mkspecs/glibc-g++
	cp -a mkspecs/linux-g++ mkspecs/glibc-g++

	# Remove include directory. Then ./configure will take care of calling
	# syncqt and regenerating it.
	rm -rfv include

	./configure -confirm-license \
	            -prefix "/usr" \
	            -bindir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt4/bin" \
	            -libdir "/usr/lib/$(DEB_HOST_MULTIARCH)" \
	            -docdir "/usr/share/qt4/doc" \
	            -headerdir "/usr/include/qt4" \
	            -datadir "/usr/share/qt4" \
	            -plugindir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt4/plugins" \
	            -importdir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt4/imports" \
	            -translationdir "/usr/share/qt4/translations" \
	            -sysconfdir "/etc/xdg" \
	            -demosdir "/usr/lib/qt4/demos" \
	            -examplesdir "/usr/lib/qt4/examples" \
	            -opensource \
	            -fast \
	            -plugin-sql-mysql \
	            -plugin-sql-odbc \
	            -plugin-sql-psql \
	            -plugin-sql-sqlite \
	            -plugin-sql-tds \
	            -system-sqlite \
	            -xmlpatterns \
	            -no-multimedia \
	            -audio-backend \
	            -phonon \
	            -no-phonon-backend \
	            -svg \
	            -no-webkit \
	            -script \
	            -scripttools \
	            -platform $(platform_arg) \
	            -system-zlib \
	            -system-libtiff \
	            -system-libpng \
	            -system-libjpeg \
	            -no-rpath \
	            -optimized-qmake \
	            -dbus-linked \
	            -reduce-relocations \
	            -no-separate-debug-info \
	            -verbose \
	            -gtkstyle \
	            -system-nas-sound \
	            -no-openvg \
	            -lfontconfig \
	            -I/usr/include/freetype2 \
	            -qvfb \
	            -icu \
	            $(extra_configure_opts)

override_dh_auto_build:
	dh_auto_build
	# Build documentations
ifneq (,$(filter qt4-doc, $(shell dh_listpackages)))
	# Build documentations
	dh_auto_build -Smakefile -- docs
endif
	# Build translations
	dh_auto_build -Smakefile -- -C translations ts-all
	# Workaround: It's a known qmake limitation.
	# It can't generate install rules for files that don't exist yet like docs.
	./config.status

override_dh_auto_clean:
	[ ! -f Makefile ] || $(MAKE) confclean distclean

	# Extra stuff missed by confclean/distclean

	# Misc. files
	rm -fv \
	  .qmake.vars \
	  config.status \
	  config.tests/.qmake.cache \
	  examples/dbus/*/Makefile.* \
	  mkspecs/qconfig.pri \
	  src/corelib/global/qconfig.* \
	  src/tools/uic/qclass_lib_map.h \
	;

	# Misc. directories
	rm -rfv \
	  doc-build/ \
	  doc/html/ \
	  doc/qch/ \
	  examples/tools/plugandpaint/plugins/ \
	  examples/tools/styleplugin/styles/ \
	  include/ \
	  lib/ \
	  mkspecs/glibc-g++/ \
	  plugins/ \
	;

	# hppa test directory
	rm -rfv debian/hppa-tmp

	# Leftover dirs
	find -depth -type d \( -false \
	  -o -name debug-shared \
	  -o -name debug-static \
	  -o -name \*.gch \
	  -o -name .moc\* \
	  -o -name .obj\* \
	  -o -name .pch \
	  -o -name pkgconfig \
	  -o -name .rcc \
	  -o -name release-shared \
	  -o -name release-static \
	  -o -name .uic \
	\) -print0 | xargs -0 rm -rfv

	# Leftover files and all symlinks
	find \( -false \
	  -o -name \*.a \
	  -o -name Makefile.Debug \
	  -o -name Makefile.Release \
	  -o -name \*.o \
	  -o -name \*.prl \
	  -o -name \*.so \
	  -o -name \*.so.debug \
	  -o -type l \
	\) -print0 | xargs -0 rm -rfv

	# Delete all Makefiles, excluding some from src/3rdparty
	find $(CURDIR) -name Makefile \
	  ! -path $(CURDIR)/src/3rdparty/Makefile \
	  ! -path $(CURDIR)/src/3rdparty/freetype/\* \
	  ! -path $(CURDIR)/src/3rdparty/zlib/\* \
	  ! -path $(CURDIR)/src/3rdparty/ptmalloc/Makefile \
	-print0 | xargs -0 rm -rfv

	# Any remaining executables
	find $(CURDIR) -type f -perm /u+x,g+x,o+x -exec file -i '{}' \; \
	| grep -e application/x-executable \
	| cut -d ':' -f 1 | xargs rm -fv

	# Generated on build
	rm -fv debian/shlibs.local
	rm -fv debian/stamp-makefile-build-tools

override_dh_auto_install:
	dh_auto_install -Smakefile -- INSTALL_ROOT=$(CURDIR)/debian/tmp/

	# Remove libtool-like files
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/*.la

	# Fix wrong path in pkgconfig files
	find $(CURDIR)/debian/tmp/usr/lib/*/pkgconfig -type f -name '*.pc' \
		-exec perl -pi -e "s, -L$(CURDIR)/?\S+,,g" {} \;
	# Fix wrong path in prl files
	find $(CURDIR)/debian/tmp/usr/lib -type f -name '*.prl' \
		-exec sed -i -e "/^QMAKE_PRL_BUILD_DIR/d;s/\(QMAKE_PRL_LIBS =\).*/\1/" {} \;

	# Add symlinks for the -qt4 binaries still used by some
	for links_file in debian/libqt4-dev-bin.links debian/qt4-designer.links debian/qt4-dev-tools.links debian/qt4-linguist-tools.links debian/qt4-qmake.links debian/qt4-qtconfig.links ; do \
		cat $$links_file.in > $$links_file ; \
		sed -i 's/MULTIARCH/$(DEB_HOST_MULTIARCH)/' $$links_file ; \
	done

	install -D -p -m0644 debian/collection/qtdemo.qhc \
		debian/qt4-demos/usr/lib/qt4/demos/qtdemo/qtdemo.qhc

	install -D -p -m0644 debian/desktop/designer-qt4.desktop \
		debian/qt4-designer/usr/share/applications/designer-qt4.desktop
	install -D -p -m0644 debian/desktop/designer.png \
		debian/qt4-designer/usr/share/pixmaps/designer-qt4.png

	install -D -p -m0644 debian/desktop/assistant-qt4.desktop \
		debian/qt4-dev-tools/usr/share/applications/assistant-qt4.desktop
	install -D -p -m0644 debian/desktop/linguist-qt4.desktop \
		debian/qt4-dev-tools/usr/share/applications/linguist-qt4.desktop
	install -D -p -m0644 debian/desktop/assistant.png \
		debian/qt4-dev-tools/usr/share/pixmaps/assistant-qt4.png
	install -D -p -m0644 debian/desktop/linguist.png \
		debian/qt4-dev-tools/usr/share/pixmaps/linguist-qt4.png

	install -D -p -m0644 debian/desktop/qtconfig-qt4.desktop \
		debian/qt4-qtconfig/usr/share/applications/qtconfig-qt4.desktop
	install -D -p -m0644 debian/desktop/qtconfig.png \
		debian/qt4-qtconfig/usr/share/pixmaps/qtconfig-qt4.png

	# QTBUG-12159 workaround
	rm -fv debian/tmp//usr/share/qt4/mkspecs/modules/qt_webkit_version.pri

	# Remove phonon development files
	rm -fv debian/tmp/usr/lib/*/libphonon.la
	rm -fv debian/tmp/usr/lib/*/libphonon.prl
	rm -fv debian/tmp/usr/lib/*/libphonon.so
	rm -fv debian/tmp/usr/lib/*/pkgconfig/phonon.pc
	rm -rfv debian/tmp/usr/include/qt4/phonon
	# And the gstreamer backend.
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt4/plugins/phonon_backend/libphonon_gstreamer.so

	# Remove the embedded jquery library. We will later link to the one provided
	# by the libjs-jquery package.
	rm -fv debian/tmp/usr/share/qt4/doc/html/scripts/jquery.js

	# Configuration file for qt4-default package
	mkdir -p $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser
	ln -s /usr/share/qtchooser/qt4-$(DEB_HOST_MULTIARCH).conf $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser/default.conf

	# As a special case to avoid FTBFSs for current Qt4 packages, ship a second
	# default.conf which will be searched by qtchooser. Only Qt4 should ship this.
	mkdir -p $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt-default/qtchooser
	ln -s /usr/share/qtchooser/qt4-$(DEB_HOST_MULTIARCH).conf $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt-default/qtchooser/default.conf

	# Remove leftover directories
	find $(CURDIR)/debian/tmp/usr/lib/qt4 -depth -type d \( -false \
	  -o -name .moc\* \
	  -o -name .obj\* \
	  -o -name .pch \
	  -o -name .rcc \
	\) -print0 | xargs -0 rm -rfv

	# Remove bogus exec bits from some data files in mkspecs, docs, examples
	# and demos
	find debian/tmp/usr/share/qt4/ debian/tmp/usr/lib/qt4/ \
		-perm /u+x,g+x,o+x -type f \
		-regex '.*\.\(app\|conf\|cpp\|h\|js\|php\|png\|pro\|xml\|xsl\)$$' \
		-exec chmod a-x {} \;

override_dh_install:
	dh_install --fail-missing

override_dh_installdocs:
	dh_installdocs --all LGPL_EXCEPTION.txt

override_dh_installchangelogs:
	dh_installchangelogs $(upstream_changes)

override_dh_strip:
	$(foreach pkg,$(pkgs_dbg),dh_strip -p$(pkg) --dbg-package=$(pkg)-dbg;)
	dh_strip $(foreach pkg,$(pkgs_dbgbin),-p$(pkg)) --dbg-package=qt4-bin-dbg
	dh_strip -plibqt4-phonon
	dh_strip --remaining-packages --dbg-package=libqt4-dbg

override_dh_makeshlibs:
	# Specific shlibs version (e.g.: 4:4.5.2)
	$(foreach pkg,$(pkgs_lib),dh_makeshlibs -p$(pkg) -V '$(pkg) (>= $(shlibs_version))' -- -c0;)
	dh_makeshlibs -plibqt4-phonon -V'$(libqt4phonon_shlibs)'
	# Generate shlibs local files
	for pkg in $(pkgs_lib); do \
		if test -e debian/$${pkg}/DEBIAN/shlibs ; then \
			sed 's/>=[^)]*/= $(current_version)/' debian/$${pkg}/DEBIAN/shlibs >> debian/shlibs.local ;\
		fi \
	done

override_dh_shlibdeps:
	# Exclude phonon deps from libqt4-phonon itself (they get injected there somehow)
	dh_shlibdeps -plibqt4-phonon -- -xlibphonon4 -xlibqt4-phonon
	dh_shlibdeps --remaining-packages

override_dh_builddeb:
	dh_builddeb -- -Zxz

prune-nonfree:
	# Delete RFCs.
	find \( -name rfc????.txt \) -print -delete
	# Delete files that contain minified javascript libs without source
	# In it's preferred form of modification.
	rm -fv tests/benchmarks/script/sunspider/tests/string-unpack-code.js
	rm -fv doc/html/scripts/jquery.js
	rm -fv doc/src/template/scripts/jquery.js
	rm -fv tools/qdoc3/doc/config/scripts/jquery.js
	rm -fv examples/webkit/fancybrowser/jquery.min.js

.PHONY: override_dh_auto_test