#!/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 PATH := $(PATH):$(shell pwd)/bin
export CFLAGS := $(shell dpkg-buildflags --get CFLAGS) $(shell dpkg-buildflags --get CPPFLAGS)
export CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS) $(shell dpkg-buildflags --get CPPFLAGS)
export LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS) -Wl,--as-needed

# Library package list for override_dh_makeshlibs, excludes -dev -dbg
pkgs_lib := $(filter-out %-dev %-dbg,$(filter lib%,$(shell dh_listpackages)))
# Upstream changelog
upstream_changes := $(wildcard dist/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 '-')
# Distribution vendor
vendor := $(shell dpkg-vendor --query Vendor)

# To easier the files installation according OSes and archs, we create three
# kinds of install files: foo.install-common, foo.install-$arch and
# foo.install.$os. In this case we can fine-tune what we install.
#
# Note that if any foo.install-* file exists and foo.install exist too, the
# later will get overwritten.
#
# I've opened a bug in debhelper to allow this:
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703201

arch= $(shell dpkg-architecture -qDEB_HOST_ARCH)
os= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)

# Retrieve packages that have a .install-common file
pkgs_with_common = $(patsubst debian/%.install-common,%,$(wildcard debian/*.install-common))
# Retrieve packages that have a .install-$arch file
pkgs_with_arch = $(patsubst debian/%.install-$(arch),%,$(wildcard debian/*.install-$(arch)))
# Retrieve packages that have a .install-$os file
pkgs_with_os = $(patsubst debian/%.install-$(os),%,$(wildcard debian/*.install-$(os)))


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

no_pch_architectures := armel armhf ia64
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(no_pch_architectures)))
	extra_configure_opts += -no-pch
endif

armv6_architectures := armhf
ifeq ($(vendor),Ubuntu)
	armv6_architectures += armel
endif

gles2_architectures := armel armhf
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(gles2_architectures)))
	extra_configure_opts += -opengl es2
else
	extra_configure_opts += -opengl desktop
endif

ifeq ($(DEB_HOST_ARCH_OS),linux)
  ifneq (,$(filter $(DEB_HOST_ARCH),alpha ia64))
	platform_arg = linux-g++
  else ifeq ($(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

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

override_dh_auto_configure:
	# 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 -rf mkspecs/glibc-g++
	cp -a mkspecs/linux-g++ mkspecs/glibc-g++

	./configure -confirm-license \
	            -prefix "/usr" \
	            -bindir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/bin" \
	            -libdir "/usr/lib/$(DEB_HOST_MULTIARCH)" \
	            -docdir "/usr/share/qt5/doc" \
	            -headerdir "/usr/include/qt5" \
	            -datadir "/usr/share/qt5" \
	            -archdatadir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5" \
	            -hostdatadir "/usr/share/qt5" \
	            -plugindir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/plugins" \
	            -importdir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/imports" \
	            -translationdir "/usr/share/qt5/translations" \
	            -sysconfdir "/etc/xdg" \
	            -examplesdir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/examples" \
	            -opensource \
	            -plugin-sql-mysql \
	            -plugin-sql-odbc \
	            -plugin-sql-psql \
	            -plugin-sql-sqlite \
	            -no-sql-sqlite2 \
	            -plugin-sql-tds \
	            -system-sqlite \
	            -platform $(platform_arg) \
	            -system-zlib \
	            -system-libpng \
	            -system-libjpeg \
	            -openssl \
	            -no-rpath \
	            -verbose \
	            -optimized-qmake \
	            -dbus-linked \
	            -reduce-relocations \
		    -no-strip \
	            -no-separate-debug-info \
	            -qpa xcb \
	            -xcb \
	            -glib \
	            -icu \
	            -accessibility \
	            -compile-examples \
	            -no-directfb \
	            $(extra_configure_opts)

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

	# Extra stuff missed by confclean/distclean

	# Misc. files
	rm -f \
	  config.status \
	  config.tests/.qmake.cache \
	  examples/dbus/*/Makefile.* \
	  mkspecs/qconfig.pri \
	  src/corelib/global/qconfig.* \
	;

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

	# 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 -rf

	# 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 -rf

	# 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 -rf

	# 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 -f

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

ifeq ($(vendor),Ubuntu)
	rm -rf po
endif

override_dh_auto_build-indep:
	dh_auto_build -Smakefile -- docs

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

	# 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" {} \;

	# Add a configuration for qtchooser
	mkdir -p $(CURDIR)/debian/tmp/usr/share/qtchooser
	echo "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/bin" > $(CURDIR)/debian/tmp/usr/share/qtchooser/qt5-$(DEB_HOST_MULTIARCH).conf
	echo "/usr/lib/$(DEB_HOST_MULTIARCH)" >> $(CURDIR)/debian/tmp/usr/share/qtchooser/qt5-$(DEB_HOST_MULTIARCH).conf

	# Ship 5.conf and qt5.conf for this arch, and a default.conf.
	# 5.conf makes calling qtchooser prettier.
	mkdir -p $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser
	ln -s /usr/share/qtchooser/qt5-$(DEB_HOST_MULTIARCH).conf $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser/5.conf
	ln -s /usr/share/qtchooser/qt5-$(DEB_HOST_MULTIARCH).conf $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser/qt5.conf
	ln -s /usr/share/qtchooser/qt5-$(DEB_HOST_MULTIARCH).conf $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qtchooser/default.conf

	# Remove leftover directories
	find $(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5 -depth -type d \( -false \
	  -o -name .moc\* \
	  -o -name .obj\* \
	  -o -name .pch \
	  -o -name .rcc \
	\) -print0 | xargs -0 rm -rf

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

	# Remove bogus exec bits from some data files in mkspecs, docs, examples
	find debian/tmp/usr/share/qt5/ debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/ \
		-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_auto_install-indep:
	make INSTALL_ROOT=$(CURDIR)/debian/tmp install_docs

override_dh_install:
	# Now flush all the .install-* files as .install files.
	set -e; for pkg in $(pkgs_with_common); do \
		cat debian/$$pkg.install-common >> debian/$$pkg.install ; \
	done

	set -e; for pkg in $(pkgs_with_arch); do \
		cat debian/$$pkg.install-$(arch) >> debian/$$pkg.install ; \
	done

	set -e; for pkg in $(pkgs_with_os); do \
		cat debian/$$pkg.install-$(os) >> debian/$$pkg.install ; \
	done

	# Call dh_install normally. It will process .install, .install.ARCH
	# and/or .install.OS files.
	dh_install --fail-missing

override_dh_installdocs:
	dh_installdocs --all LGPL_EXCEPTION.txt

override_dh_installchangelogs:
	dh_installchangelogs $(upstream_changes)

override_dh_strip:
	dh_strip -pqtbase5-examples --dbg-package=qtbase5-examples-dbg
	dh_strip -pqtbase5-dev-tools --dbg-package=qtbase5-dev-tools-dbg
	dh_strip -pqt5-qmake --dbg-package=qtbase5-dev-tools-dbg
	dh_strip --remaining-packages --dbg-package=qtbase5-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;)
	# 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_builddeb:
	dh_builddeb -- -Zxz

override_dh_clean:
	dh_clean

	# Don't forget to remove the .install files we generated.
	for pkg in $(pkgs_with_common); do \
		rm -f debian/$$pkg.install ; \
	done

	for pkg in $(pkgs_with_arch); do \
		rm -f debian/$$pkg.install ; \
	done

	for pkg in $(pkgs_with_os); do \
		rm -f debian/$$pkg.install ; \
	done

# See upstream bugs
# https://bugreports.qt-project.org/browse/QTBUG-30544
# https://bugreports.qt-project.org/browse/QTBUG-30545
prune-nonfree:
	# Delete zlib's RFCs.
	find \( -name rfc????.txt \) -print -delete
	rm -fv tests/manual/network_stresstest/qtest/bigfile
	rm -fv tests/auto/network/access/qnetworkreply/bigfile
	rm -fv tests/auto/network/access/qnetworkreply/resource
	# Delete Luxi-font licensed fonts, they are not DFSG compatible.
	rm -fv lib/fonts/l*
	# Delete Adobe's Utopia fonts. They do not seem to allow modification.
	rm -fv lib/fonts/U*