#!/usr/bin/make -f

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

# Use already defined DEB_HOST_* variables.
include /usr/share/dpkg/architecture.mk

# Use already defined upstream version as DEB_VERSION_UPSTREAM.
include /usr/share/dpkg/pkg-info.mk

export PATH := $(PATH):$(shell pwd)/bin
export CFLAGS := $(shell dpkg-buildflags --get CFLAGS) $(shell dpkg-buildflags --get CPPFLAGS) $(shell getconf LFS_CFLAGS)
export CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS) $(shell dpkg-buildflags --get CPPFLAGS) $(shell getconf LFS_CFLAGS)
export LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)
export PKG_CONFIG := /usr/bin/$(DEB_HOST_GNU_TYPE)-pkg-config
sslpkgname := $(shell dpkg-query --show '--showformat=$${Depends}' libssl-dev | cut -d ' ' -f1)

# Upstream changelog
upstream_changes := dist/changes-$(shell echo $(DEB_VERSION_UPSTREAM) | sed -e 's/+dfsg//' | sed -e 's/+git.*//')

ifneq (,$(filter libqt5sql5-ibase,$(shell dh_listpackages)))
	extra_configure_opts += -plugin-sql-ibase
else
	extra_configure_opts += -no-sql-ibase
endif

no_pch_architectures := arm64
ifeq ($(DEB_HOST_ARCH),$(findstring $(DEB_HOST_ARCH), $(no_pch_architectures)))
	extra_configure_opts += -no-pch
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

ifneq ($(DEB_HOST_ARCH_OS),$(findstring $(DEB_HOST_ARCH_OS), linux kfreebsd))
	extra_configure_opts += -no-eglfs
endif

# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85412
ifeq ($(DEB_HOST_ARCH),ia64)
	extra_configure_opts += QMAKE_CFLAGS_OPTIMIZE_FULL-=-O3
endif

# Compile without sse2 support on i386
# Do not use precompiled headers in order to be able to rebuild the gui
# submodule.
ifeq ($(DEB_HOST_ARCH_CPU),i386)
	cpu_opt = -no-sse2 -no-pch
endif

mkspec_osmap_kfreebsd = gnukfreebsd
platform_os = $(or $(mkspec_osmap_$(DEB_HOST_ARCH_OS)),$(DEB_HOST_ARCH_OS))
platform_arg = $(platform_os)-g++

ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
platform_arg = $(platform_os)-$(DEB_HOST_GNU_CPU)-$(DEB_HOST_ARCH_LIBC)$(filter-out base,$(DEB_HOST_ARCH_ABI))-g++
endif

# Refuse cross building with a qmake whose version differs from the package.
ifneq (,$(filter cross,$(DEB_BUILD_PROFILES)))
extra_configure_opts += -external-hostbindir /usr/lib/qt5/bin
endif

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
else
	NUMJOBS = 1
endif

%:
	dh $@ --with pkgkde_symbolshelper

override_dh_auto_configure:
ifneq (,$(filter cross,$(DEB_BUILD_PROFILES)))
	test "`dpkg-query -f '$${Version}' -W qt5-qmake-bin`" = "$(DEB_VERSION)"
endif
	MAKEFLAGS="-j$(NUMJOBS) ${CXXFLAGS:%=EXTRA_CXXFLAGS+=%} ${LDFLAGS:%=EXTRA_LFLAGS+=%}" \
	        ./configure \
	            -confirm-license \
	            -prefix "/usr" \
	            -bindir "/usr/lib/qt5/bin" \
	            -libdir "/usr/lib/$(DEB_HOST_MULTIARCH)" \
	            -docdir "/usr/share/qt5/doc" \
	            -headerdir "/usr/include/$(DEB_HOST_MULTIARCH)/qt5" \
	            -datadir "/usr/share/qt5" \
	            -archdatadir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5" \
	            -plugindir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/plugins" \
	            -importdir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/imports" \
	            -translationdir "/usr/share/qt5/translations" \
	            -hostdatadir "/usr/lib/$(DEB_HOST_MULTIARCH)/qt5" \
	            -sysconfdir "/etc/xdg" \
	            -examplesdir "/usr/lib/$(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-harfbuzz \
	            -system-zlib \
	            -system-libpng \
	            -system-libjpeg \
	            -system-doubleconversion \
	            -system-pcre \
	            -openssl \
	            -no-rpath \
	            -verbose \
	            -optimized-qmake \
	            -dbus-linked \
	            -no-strip \
	            -no-separate-debug-info \
	            -qpa xcb \
	            -xcb \
	            -glib \
	            -icu \
	            -accessibility \
	            -compile-examples \
	            -no-directfb \
	            -no-use-gold-linker \
	            -no-mimetype-database \
	            -no-feature-relocatable \
	            -xcb-native-painting \
	            $(extra_configure_opts) \
	            $(cpu_opt) \
	            QMAKE_CFLAGS="$(CFLAGS)" \
	            QMAKE_CXXFLAGS="$(CXXFLAGS)" \
	            QMAKE_LFLAGS="$(LDFLAGS)"

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/ \
	  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 \( -false \
	  -o -name lib\*.a \
	  -o -name Makefile.Debug \
	  -o -name Makefile.Release \
	  -o -name \*.o \
	  -o -name \*.prl \
	  -o -name lib\*.so \
	  -o -type l \
	\) -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 -vf debian/stamp-makefile-build-tools

	# more leftovers
	rm -f .device.vars .qmake.vars

override_dh_auto_build-indep:
	dh_auto_build -- docs

override_dh_auto_build-arch:
	# Bootstrap corelibs in order to be able to build the helper tools to
	# regenerate some upstream-provided files.
	cd $(CURDIR)/src; ../bin/qmake; $(MAKE) sub-corelib
	# Add here the code to generate the helpers and then the headers.
	LC_ALL=C.UTF-8 sh debian/generateTLDs.sh
	# Rebuild only the object file that used the generated header.
	rm src/corelib/.obj/qtldurl.o
	dh_auto_build

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

ifeq ($(DEB_HOST_ARCH_CPU),i386)
	# Rebuild the necessary libs with SSE2 support.
	# Create the destination directory.
	install -d debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sse2/

	# corelib needs make clean first to be able to rebuild.
	cd $(CURDIR)/src/corelib; $(MAKE) clean; ../../bin/qmake -config sse2; $(MAKE)
	cp -av lib/libQt5Core.so.* debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sse2/

	# gui on turn doesn't need it, and actually fails if done.
	cd $(CURDIR)/src/gui; ../../bin/qmake -config sse2; $(MAKE)
	cp -av lib/libQt5Gui.so.* debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/sse2/
endif

	# 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" {} \;

	# Use multiarched directory for host_bins variable (see #909575)
	sed -i "s,lib/qt5/bin,lib/$(DEB_HOST_MULTIARCH)/qt5/bin," \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/Qt5Core.pc

	# 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

	# A user of Qt built by a distro doesn't need to find where the plugins
	# are via CMake, so don't install them.
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/Qt5Gui/Q*ThemePlugin.cmake
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/Qt5Sql/Q*DriverPlugin.cmake

	# There is also no need to install libQtBootstrap. As its name indicates it's
	# only used to bootstrap qt.
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/libQt5Bootstrap*
	rm -fv debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/Qt5Bootstrap.pc

	# 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/ \
	     debian/tmp/usr/share/qt5/doc/ \
		-perm /u+x,g+x,o+x -type f \
		-regex '.*\.\(app\|conf\|cpp\|h\|js\|php\|png\|pro\|xml\|xsl\)$$' \
		-exec chmod a-x {} \;

	# Helper files for cross-building
	mkdir -p debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5
	sed 's/@DEB_HOST_MULTIARCH@/$(DEB_HOST_MULTIARCH)/' debian/qt.conf.in \
		> debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/qt.conf

	mkdir -p debian/tmp/usr/bin
	sed -e 's/@DEB_HOST_MULTIARCH@/$(DEB_HOST_MULTIARCH)/g' \
		-e 's/@DEB_HOST_GNU_TYPE@/$(DEB_HOST_GNU_TYPE)/g' \
		< debian/qmake-cross-wrapper.in > debian/tmp/usr/bin/$(DEB_HOST_GNU_TYPE)-qmake
	chmod +x debian/tmp/usr/bin/$(DEB_HOST_GNU_TYPE)-qmake

	# See https://bugs.debian.org/913499
	sed -i 's,lib/qt5/bin/qmake,lib/$(DEB_HOST_MULTIARCH)/qt5/bin/qmake,' \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/cmake/Qt5Core/Qt5CoreConfigExtras.cmake

	# See https://bugs.debian.org/914019
	sed -i 's,-fdebug-prefix-map=$(CURDIR)=. ,,; s,-ffile-prefix-map=$(CURDIR)=. ,,' \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/mkspecs/qmodule.pri

	# Policy § 10.4. Remove this if https://bugs.debian.org/904409 gets fixed.
	sed -i 's,bin/env perl,bin/perl,' debian/tmp/usr/lib/qt5/bin/*.pl \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/mkspecs/features/data/unix/findclasslist.pl

	# Reproducible builds: remove build paths from .prl files.
	sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/libQt5*.prl \
		debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/examples/widgets/tools/plugandpaint/plugins/libpnp_basictools.prl

override_dh_auto_install-indep:
	dh_auto_build -- INSTALL_ROOT=$(CURDIR)/debian/tmp install_docs

override_dh_installchangelogs:
	if [ -f $(upstream_changes) ] ; then \
		dh_installchangelogs $(upstream_changes); \
	else \
		dh_installchangelogs; \
	fi

override_dh_makeshlibs:
	dh_makeshlibs -XlibQt5EglFSDeviceIntegration -XlibQt5EglFsKmsSupport -XlibQt5XcbQpa

override_dh_auto_test:

override_dh_strip_nondeterminism:
	dh_strip_nondeterminism --verbose -X.png

execute_after_dh_shlibdeps-arch:
	echo libssl:Depends=$(sslpkgname) >> debian/libqt5network5.substvars