#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=-lto

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/buildflags.mk

export CCACHE_NOHASHDIR=1
export CCACHE_DIR=$(CURDIR)/ccache

# soup2 build -> 4.0 API packages
# soup3 build -> 4.1 API packages
# gtk4 build  -> 6.0 API packages
ENABLE_SOUP2=YES
ENABLE_SOUP3=NO
ENABLE_GTK4=NO
# Set to YES to use the docs from the tarball instead of generating them.
# Use only if gi-docgen is not available.
USE_PREBUILT_DOCS=YES
# Set to YES to build libwebkit2gtk-4.0-doc instead of libwebkitgtk-doc
USE_OLD_DOC_PKG=YES

# Set to YES to build libjavascriptcoregtk-4.0-bin instead of libjavascriptcoregtk-bin
USE_OLD_JSCBIN_PKG=YES

# Set to YES to build webkit2gtk-driver instead of webkitgtk-webdriver
USE_OLD_WEBDRIVER_PKG=YES

# GStreamer needs libunwind.pc, but we need to use libunwind-16-dev from LLVM,
# which doesn't ship a .pc file. So we add our own to workaround it.
export PKG_CONFIG_PATH = $(CURDIR)/debian/pkgconfig

EXTRA_DH_ARGUMENTS =
EXTRA_CMAKE_ARGUMENTS = -DPORT=GTK \
	   -DCMAKE_INSTALL_LIBEXECDIR=lib/$(DEB_HOST_MULTIARCH) \
	   -DCMAKE_C_FLAGS_RELEASE="" \
	   -DCMAKE_C_FLAGS_DEBUG="" \
	   -DCMAKE_CXX_FLAGS_RELEASE="" \
	   -DCMAKE_CXX_FLAGS_DEBUG="" \
	   -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON \
	   -DUSE_LIBBACKTRACE=OFF \
	   -DUSE_AVIF=OFF \
	   -DUSE_GBM=OFF \
	   -DUSE_GSTREAMER_TRANSCODER=OFF \
	   -DUSE_JPEGXL=OFF \
	   -DUSE_SYSPROF_CAPTURE=OFF \
	   -DENABLE_MINIBROWSER=ON
EXTRA_BUILD_ARGUMENTS =
DH_GENCONTROL_ARGS =

# We need clang-16 and libc++-16 for c++2b support
EXTRA_CMAKE_ARGUMENTS += \
   -DCMAKE_C_COMPILER=clang-16 \
   -DCMAKE_CXX_COMPILER=clang++-16
CXXFLAGS += -stdlib=libc++ -I/usr/lib/llvm-16/include/c++/v1
LDFLAGS += -stdlib=libc++ -Wl,-rpath,/usr/lib/llvm-16/lib

# Sacrifice speed in order to make it more likely resource limits
# won't be hit.
ifeq ($(DEB_BUILD_ARCH_BITS),32)
	EXTRA_CMAKE_ARGUMENTS += -DFORCE_32BIT=ON
	LDFLAGS += -Wl,--no-keep-memory
endif

# The debug packages produced by webkit are huge and cause problems in
# most buildds. Use -g1 in all architectures to make them smaller.
CFLAGS := $(CFLAGS:-g=-g1)
CXXFLAGS := $(CXXFLAGS:-g=-g1)

# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949621
LDFLAGS += -Wl,--reduce-memory-overheads

# Don't build with -gsplit-dwarf (see #1016936)
EXTRA_CMAKE_ARGUMENTS += -DDEBUG_FISSION=OFF

# Use the CLoop Javascript interpreter and disable the JIT. This is
# slow but it is the most compatible solution for old (non-SSE2) CPUs.
ifneq (,$(filter $(DEB_HOST_ARCH),i386))
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_JIT=OFF -DENABLE_C_LOOP=ON
endif

# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1082740
ifneq (,$(filter $(DEB_HOST_ARCH),loong64))
	EXTRA_CMAKE_ARGUMENTS += -DUSE_SKIA=OFF
endif

# See https://bugs.webkit.org/show_bug.cgi?id=197192
ifneq (,$(filter $(DEB_HOST_ARCH),arm64))
	EXTRA_CMAKE_ARGUMENTS += -DWTF_CPU_ARM64_CORTEXA53=OFF
endif

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
	EXTRA_CMAKE_ARGUMENTS += -DUSE_SYSTEM_MALLOC=ON
	CPPFLAGS += -DRELEASE_WITHOUT_OPTIMIZATIONS
endif

ifeq (,$(filter %-doc,$(shell dh_listpackages)))
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_DOCUMENTATION=OFF
else ifneq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_DOCUMENTATION=OFF
else
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_DOCUMENTATION=ON
endif

ifneq (,$(filter debug,$(DEB_BUILD_OPTIONS)))
	EXTRA_CMAKE_ARGUMENTS += -DCMAKE_BUILD_TYPE=Debug
else
	EXTRA_CMAKE_ARGUMENTS += -DCMAKE_BUILD_TYPE=Release
	CPPFLAGS += -DNDEBUG -DG_DISABLE_CAST_CHECKS
endif

# Don't recommend xdg portals on Ubuntu i386 where it doesn't exist
ifeq ($(shell dpkg-vendor --is Ubuntu && echo yes) $(DEB_HOST_ARCH), yes i386)
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_BUBBLEWRAP_SANDBOX=ON
	DH_GENCONTROL_ARGS += -Vbwrap:Depends="bubblewrap (>= 0.3.1), xdg-dbus-proxy"
# Disable the bubblewrap sandbox if libseccomp-dev is not available
else ifeq ($(shell pkg-config --exists libseccomp && echo yes),yes)
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_BUBBLEWRAP_SANDBOX=ON
	DH_GENCONTROL_ARGS += -Vbwrap:Depends="bubblewrap (>= 0.3.1), xdg-dbus-proxy"
	DH_GENCONTROL_ARGS += -Vbwrap:Recommends="xdg-desktop-portal-gtk"
else
	EXTRA_CMAKE_ARGUMENTS += -DENABLE_BUBBLEWRAP_SANDBOX=OFF
endif

# set the distributor agent for Ubuntu
ifeq ($(shell dpkg-vendor --derives-from Ubuntu && echo yes),yes)
	EXTRA_CMAKE_ARGUMENTS += -DUSER_AGENT_BRANDING="Ubuntu"
endif

# libavif & gst-plugins-bad1.0 are not in Ubuntu main
ifeq ($(shell dpkg-vendor --derives-from Ubuntu && echo yes),yes)
	EXTRA_CMAKE_ARGUMENTS += -DUSE_AVIF=OFF -DUSE_GSTREAMER_TRANSCODER=OFF
endif

# gstreamer1.0-libav and gstreamer1.0-plugins-bad are not in Ubuntu "main"
ifeq ($(shell dpkg-vendor --derives-from Ubuntu && echo yes),yes)
	DH_GENCONTROL_ARGS += -Vgst:Suggests="gstreamer1.0-libav, gstreamer1.0-plugins-bad"
else
	DH_GENCONTROL_ARGS += -Vgst:Recommends="gstreamer1.0-libav, gstreamer1.0-plugins-bad"
endif

# This is loaded at runtime using libepoxy so add an explicit dependency (#1033230)
ifneq (,$(filter $(DEB_HOST_ARCH),arm64 armel armhf))
	DH_GENCONTROL_ARGS += -Vgles:Depends="libgles2"
endif

ifeq ($(USE_OLD_DOC_PKG),YES)
	LIBWEBKITGTKDOC_PKG=libwebkit2gtk-4.0-doc
	DH_GENCONTROL_ARGS += -Vwkdoc:Conflicts="libwebkitgtk-doc"
else
	LIBWEBKITGTKDOC_PKG=libwebkitgtk-doc
	DH_GENCONTROL_ARGS += -Vwkdoc:Replaces="libwebkit2gtk-4.0-doc (<< 2.43.4-2~)"
endif

ifeq ($(USE_OLD_JSCBIN_PKG),YES)
	LIBJSCBIN_PKG=libjavascriptcoregtk-4.0-bin
	LIBJSCBIN_DEP_PKG=libjavascriptcoregtk-4.0-18
	JSCBIN_BUILD=webkit2gtk-4.0
	DH_GENCONTROL_ARGS += -Vjscbin:Conflicts="libjavascriptcoregtk-bin"
else
	LIBJSCBIN_PKG=libjavascriptcoregtk-bin
	LIBJSCBIN_DEP_PKG=libjavascriptcoregtk-4.1-0
	JSCBIN_BUILD=webkit2gtk-4.1
	DH_GENCONTROL_ARGS += -Vjscbin:Replaces="libjavascriptcoregtk-4.0-bin (<< 2.43.4-2~)"
endif

ifeq ($(USE_OLD_WEBDRIVER_PKG),YES)
	WEBDRIVER_PKG=webkit2gtk-driver
	DH_GENCONTROL_ARGS += -Vwkwebdriver:Conflicts="webkitgtk-webdriver"
else
	WEBDRIVER_PKG=webkitgtk-webdriver
	DH_GENCONTROL_ARGS += -Vwkwebdriver:Replaces="webkit2gtk-driver (<< 2.45.5~)"
endif

# Disable commands and binary packages of the builds that we don't want
ifneq ($(ENABLE_SOUP2),YES)
	SOUP2_BUILD = @:
ifeq ($(USE_OLD_JSCBIN_PKG),YES)
	EXTRA_DH_ARGUMENTS += -Nlibjavascriptcoregtk-4.0-bin
endif
else
	SOUP2_BUILD_DEP=libsoup2.4-dev,
	GTK3_BUILD_DEP=libgtk-3-dev,
endif
ifneq ($(ENABLE_SOUP3),YES)
	SOUP3_BUILD = @:
else
	SOUP3_BUILD_DEP=libsoup-3.0-dev,
	GTK3_BUILD_DEP=libgtk-3-dev,
endif
ifneq ($(ENABLE_GTK4),YES)
	GTK4_BUILD = @:
else
	SOUP3_BUILD_DEP=libsoup-3.0-dev,
	GTK4_BUILD_DEP=libgtk-4-dev,
endif

# Decide what version of the WebKit WebDriver to build
ENABLE_WEBDRIVER_SOUP2 = -DENABLE_WEBDRIVER=OFF
ENABLE_WEBDRIVER_SOUP3 = -DENABLE_WEBDRIVER=OFF
ENABLE_WEBDRIVER_GTK4  = -DENABLE_WEBDRIVER=OFF
ifeq ($(ENABLE_SOUP3),YES)
	ENABLE_WEBDRIVER_SOUP3 = -DENABLE_WEBDRIVER=ON
	WEBDRIVER_DEP_PKG = libwebkit2gtk-4.1-0
else ifeq ($(ENABLE_SOUP2),YES)
	ENABLE_WEBDRIVER_SOUP2 = -DENABLE_WEBDRIVER=ON
	WEBDRIVER_DEP_PKG = libwebkit2gtk-4.0-37
else
	ENABLE_WEBDRIVER_GTK4 = -DENABLE_WEBDRIVER=ON
	WEBDRIVER_DEP_PKG = libwebkitgtk-6.0-4
endif

# The debhelper files for the soup2, soup3 and gtk4 builds are identical
# (apart from the API version) so we generate the last two from the first.
WEBKIT_DH_FILES = \
	gir1.2-javascriptcoregtk-4.0.install \
	gir1.2-webkit2-4.0.install \
	libjavascriptcoregtk-4.0-18.install \
	libjavascriptcoregtk-4.0-dev.install \
	libwebkit2gtk-4.0-37.docs \
	libwebkit2gtk-4.0-37.install \
	libwebkit2gtk-4.0-37.lintian-overrides \
	libwebkit2gtk-4.0-37.symbols \
	libwebkit2gtk-4.0-dev.install

# This converts debhelper file names and contents to the soup3 versions
WEBKIT_DH_RENAME_SOUP3 = sed -e 's/4\.0-18/4.1-0/g' \
			     -e 's/4\.0-37/4.1-0/g' \
			     -e 's/4\.0\.so\.37/4.1.so.0/g' \
			     -e 's/4\.0/4.1/g'

# This converts debhelper file names and contents to the gtk4 versions
WEBKIT_DH_RENAME_GTK4 = sed -e '/usr\/include\/webkitgtk-4.0\/webkit2/d' \
			    -e '/usr\/include\/webkitgtk-4.0\/webkitdom/d' \
			    -e '/usr\/include\/webkitgtk-4.0\/JavaScriptCore/d' \
			    -e 's/webkit2gtk-web-extension/webkitgtk-web-process-extension/' \
			    -e 's/WebKit2WebExtension/WebKitWebProcessExtension/' \
			    -e 's/webkit2webextension/webkitwebprocessextension/' \
			    -e 's/4\.0-18/6.0-1/g' \
			    -e 's/4\.0-37/6.0-4/g' \
			    -e 's/4\.0\.so\.37/6.0.so.4/g' \
			    -e 's/4\.0/6.0/g' \
			    -e 's/webkit2/webkit/g' \
			    -e 's/WebKit2/WebKit/g' \
			    -e '/gtk3-only/s/^ /\#/' \
			    -e '/gtk4-only/s/^\#/ /'

# The debhelper files for the documentation package
WEBKIT_DOC_DH_FILES = \
	libwebkitgtk-doc.doc-base.javascriptcoregtk \
	libwebkitgtk-doc.doc-base.webkitgtk \
	libwebkitgtk-doc.doc-base.webkitgtk-web-process-extension \
	libwebkitgtk-doc.install \
	libwebkitgtk-doc.links

# This converts the debhelper files of the doc package to the old name
WEBKIT_DH_RENAME_DOC = sed -e 's/libwebkitgtk-doc/libwebkit2gtk-4.0-doc/g'

%:
	dh $@ --with gir --buildsystem=cmake+ninja $(EXTRA_DH_ARGUMENTS)

debian/control: debian/control.in debian/control-common.in debian/rules
	echo '# This file is autogenerated. DO NOT EDIT' > debian/control
	cat debian/control.in | \
		sed -e 's/@EXTRA_BUILD_DEPS@/$(SOUP2_BUILD_DEP)$(SOUP3_BUILD_DEP)$(GTK3_BUILD_DEP)$(GTK4_BUILD_DEP)/' \
		    -e 's/@LIBWEBKITGTKDOC_PKG@/$(LIBWEBKITGTKDOC_PKG)/' \
		    -e 's/@LIBJSCBIN_PKG@/$(LIBJSCBIN_PKG)/' \
		    -e 's/@LIBJSCBIN_DEP_PKG@/$(LIBJSCBIN_DEP_PKG)/' \
		    -e 's/@WEBDRIVER_PKG@/$(WEBDRIVER_PKG)/' \
		    -e 's/@WEBDRIVER_DEP_PKG@/$(WEBDRIVER_DEP_PKG)/' \
		>> debian/control
ifeq ($(USE_OLD_DOC_PKG),NO)
	cat debian/control-doc.in >> debian/control
endif
ifeq ($(USE_OLD_JSCBIN_PKG),NO)
	cat debian/control-jscbin.in >> debian/control
endif
ifeq ($(USE_OLD_WEBDRIVER_PKG),NO)
	cat debian/control-webdriver.in >> debian/control
endif
	$(SOUP2_BUILD) cat debian/control-common.in | \
		sed -e 's/@SOUPDEV_PKG@/libsoup2.4-dev/g' \
		    -e 's/@WK_API_VERSION@/4.0/g' \
		    -e 's/@LIBJSC_PKG@/libjavascriptcoregtk-4.0-18/g' \
		    -e 's/@WEBKIT@/webkit2/g' \
		    -e 's/@LIBWEBKITGTK_PKG@/libwebkit2gtk-4.0-37/g' \
		    -e 's/@GTK_VERSION@/3/g' \
		    -e 's/@SOUP_VERSION@/2/g' \
		>> debian/control
	$(SOUP3_BUILD) cat debian/control-common.in | \
		sed -e 's/@SOUPDEV_PKG@/libsoup-3.0-dev/g' \
		    -e 's/@WK_API_VERSION@/4.1/g' \
		    -e 's/@LIBJSC_PKG@/libjavascriptcoregtk-4.1-0/g' \
		    -e 's/@WEBKIT@/webkit2/g' \
		    -e 's/@LIBWEBKITGTK_PKG@/libwebkit2gtk-4.1-0/g' \
		    -e 's/@GTK_VERSION@/3/g' \
		    -e 's/@SOUP_VERSION@/3/g' \
		>> debian/control
	$(GTK4_BUILD) cat debian/control-common.in | \
		sed -e 's/@SOUPDEV_PKG@/libsoup-3.0-dev/g' \
		    -e 's/@WK_API_VERSION@/6.0/g' \
		    -e 's/@LIBJSC_PKG@/libjavascriptcoregtk-6.0-1/g' \
		    -e 's/@WEBKIT@/webkit/g' \
		    -e 's/@LIBWEBKITGTK_PKG@/libwebkitgtk-6.0-4/g' \
		    -e 's/@GTK_VERSION@/4/g' \
		    -e 's/@SOUP_VERSION@/3/g' \
		>> debian/control
	sed -i '$${/^$$/d}' debian/control # Remove last empty line

override_dh_gencontrol:
	dh_gencontrol -- $(DH_GENCONTROL_ARGS)

override_dh_auto_configure:
	echo debian/clean > debian/clean
	if [ "$(ENABLE_SOUP3)" = "YES" -o "$(ENABLE_GTK4)" = "YES" ]; then \
		for src in $(WEBKIT_DH_FILES); do \
			dst=`echo $$src | $(WEBKIT_DH_RENAME_SOUP3)` ; \
			$(WEBKIT_DH_RENAME_SOUP3) debian/$$src > debian/$$dst ; \
			echo debian/$$dst >> debian/clean ; \
			dst=`echo $$src | $(WEBKIT_DH_RENAME_GTK4)` ; \
			$(WEBKIT_DH_RENAME_GTK4) debian/$$src > debian/$$dst ; \
			echo debian/$$dst >> debian/clean ; \
		done ; \
	fi
	if [ "$(USE_OLD_DOC_PKG)" = "YES" ]; then \
		for src in $(WEBKIT_DOC_DH_FILES); do \
			dst=`echo $$src | $(WEBKIT_DH_RENAME_DOC)` ; \
			$(WEBKIT_DH_RENAME_DOC) debian/$$src > debian/$$dst ; \
			echo debian/$$dst >> debian/clean ; \
		done ; \
	fi
	echo debian/jsc.1 > debian/$(LIBJSCBIN_PKG).manpages
	echo 'usr/lib/$(DEB_HOST_MULTIARCH)/$(JSCBIN_BUILD)/jsc usr/bin/' > debian/$(LIBJSCBIN_PKG).install
	echo debian/WebKitWebDriver.1 > debian/$(WEBDRIVER_PKG).manpages
	echo usr/bin/WebKitWebDriver > debian/$(WEBDRIVER_PKG).install
	echo debian/$(LIBJSCBIN_PKG).manpages >> debian/clean
	echo debian/$(LIBJSCBIN_PKG).install >> debian/clean
	echo debian/$(WEBDRIVER_PKG).manpages >> debian/clean
	echo debian/$(WEBDRIVER_PKG).install >> debian/clean
	$(SOUP2_BUILD) dh_auto_configure -Bbuild-soup2 -- \
		$(EXTRA_CMAKE_ARGUMENTS) -DUSE_SOUP2=ON -DUSE_GTK4=OFF \
		$(ENABLE_WEBDRIVER_SOUP2) -DENABLE_DOCUMENTATION=OFF
	$(SOUP3_BUILD) dh_auto_configure -Bbuild-soup3 -- \
		$(EXTRA_CMAKE_ARGUMENTS) -DUSE_SOUP2=OFF -DUSE_GTK4=OFF \
		$(ENABLE_WEBDRIVER_SOUP3) -DENABLE_DOCUMENTATION=OFF
	$(GTK4_BUILD) WK_USE_CCACHE=NO dh_auto_configure -Bbuild-gtk4 -- \
		$(EXTRA_CMAKE_ARGUMENTS) \
		$(ENABLE_WEBDRIVER_GTK4)

override_dh_auto_build:
	$(SOUP2_BUILD) CCACHE_BASEDIR=$(CURDIR)/build-soup2 \
		dh_auto_build -Bbuild-soup2 $(EXTRA_BUILD_ARGUMENTS)
	$(SOUP3_BUILD) CCACHE_BASEDIR=$(CURDIR)/build-soup3 \
		dh_auto_build -Bbuild-soup3 $(EXTRA_BUILD_ARGUMENTS)
	$(GTK4_BUILD) dh_auto_build -Bbuild-gtk4 $(EXTRA_BUILD_ARGUMENTS)

override_dh_auto_install:
	$(SOUP2_BUILD) dh_auto_install -Bbuild-soup2
	$(SOUP3_BUILD) dh_auto_install -Bbuild-soup3
	$(GTK4_BUILD)  dh_auto_install -Bbuild-gtk4

override_dh_auto_clean: debian/control
	$(SOUP2_BUILD) dh_auto_clean -Bbuild-soup2
	$(SOUP3_BUILD) dh_auto_clean -Bbuild-soup3
	$(GTK4_BUILD)  dh_auto_clean -Bbuild-gtk4
	find Source Tools -type f -name "*.pyc" -exec rm {} \;
	find Source Tools -depth -type d -name __pycache__ -exec rmdir {} \;
	rm -rf ccache

# Create a dummy doc directory in case the "nodoc" build option is set.
override_dh_install-indep:
	mkdir -p debian/tmp/usr/share/doc/webkitgtk-6.0
	touch debian/tmp/usr/share/doc/webkitgtk-6.0/index.html
	dh_install -i
ifneq (,$(filter $(LIBWEBKITGTKDOC_PKG),$(shell dh_listpackages)))
	jdupes -rl debian/$(LIBWEBKITGTKDOC_PKG)/usr
endif

override_dh_makeshlibs:
	$(SOUP2_BUILD) dh_makeshlibs -plibwebkit2gtk-4.0-37 -Xinjected-bundle
	$(SOUP2_BUILD) dh_makeshlibs -plibjavascriptcoregtk-4.0-18 -VNone
	$(SOUP3_BUILD) dh_makeshlibs -plibwebkit2gtk-4.1-0 -Xinjected-bundle
	$(SOUP3_BUILD) dh_makeshlibs -plibjavascriptcoregtk-4.1-0 -VNone
	$(GTK4_BUILD)  dh_makeshlibs -plibwebkitgtk-6.0-4 -Xinjected-bundle
	$(GTK4_BUILD)  dh_makeshlibs -plibjavascriptcoregtk-6.0-1 -VNone

override_dh_builddeb:
	DEB_BUILD_OPTIONS="$(filter-out parallel=%,$(DEB_BUILD_OPTIONS))" \
		dh_builddeb

override_dh_auto_test:

override_dh_dwz: