#!/usr/bin/make -f

DEB_LDFLAGS_MAINT_APPEND=-Wl,--as-needed
DEB_BUILD_MAINT_OPTIONS=hardening=+all

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk
include /usr/share/dpkg/vendor.mk

# custom build option: debug
# VLC enables assertions if --enable-debug is passed to the configure script. To debug issues, it
# might be useful to have them enabled. In that case, rebuilding the package with
# DEB_BUILD_OPTIONS=debug produces a build with the assertions enabled.
ifneq (,$(filter debug,$(DEB_BUILD_OPTIONS)))
confflags += --enable-debug
else
confflags += --disable-debug
endif

# configure flags
confflags += \
	--config-cache \
	--disable-update-check \
	--enable-fast-install \
	--docdir=/usr/share/doc/vlc \
	--with-binary-version=$(DEB_VERSION) \
	$(NULL)
# configure features
confflags += \
	--enable-a52 \
	--enable-aa \
	--enable-aom \
	--enable-aribsub \
	--enable-avahi \
	--enable-bluray \
	--enable-caca \
	--enable-chromaprint \
	--enable-chromecast \
	--enable-dbus \
	--enable-dca \
	--enable-dvbpsi \
	--enable-dvdnav \
	--enable-faad \
	--enable-flac \
	--enable-fluidsynth \
	--enable-freetype \
	--enable-fribidi \
	--enable-gles2 \
	--enable-gnutls \
	--enable-harfbuzz \
	--enable-jack \
	--enable-kate \
	--enable-libass \
	--enable-libmpeg2 \
	--enable-libxml2 \
	--enable-lirc \
	--enable-live555 \
	--enable-mad \
	--enable-matroska \
	--enable-mod \
	--enable-mpc \
	--enable-mpg123 \
	--enable-mtp \
	--enable-ncurses \
	--enable-notify \
	--enable-ogg \
	--enable-opus \
	--enable-pulse \
	--enable-qt \
	--enable-realrtsp \
	--enable-samplerate \
	--enable-sdl-image \
	--enable-sftp \
	--enable-shine \
	--enable-shout \
	--enable-skins2 \
	--enable-sndio \
	--enable-soxr \
	--enable-spatialaudio \
	--enable-speex \
	--enable-svg \
	--enable-svgdec \
	--enable-taglib \
	--enable-theora \
	--enable-twolame \
	--enable-upnp \
	--enable-vdpau \
	--enable-vnc \
	--enable-vorbis \
	--enable-x264 \
	--enable-x265 \
	--enable-zvbi \
	--with-kde-solid=/usr/share/solid/actions/ \
	$(NULL)
# Reasons for disabling features:
# d3d11va: Windows only
# decklink: not in Debian
# directx: Windows only
# dsm: not in Debian
# dxva2: Windows only
# fdkaac: in Debian contrib
# fluidlite: fluidsynth is enabled
# freerdp: scheduled for removal (#888323)
# goom: not in Debian
# gst-decode: not needed when having libavcodec
# libtar: security issue (#737534)
# macosx*: MacOX only
# microdns: functionality already provided by avahi
# mfx: currently not supported on Linux
# opencv: developer plugin not required by end users
# projectm: broken
# schroedinger: removed from Debian (#845037)
# sparkle: MacOS X only
# srt: not in Debian
# telx: incompatible with zvbi
# vpx: not needed when having libavcodec
# vsxu: not in Debian
# wasapi: Windows only
confflags += \
	--disable-d3d11va \
	--disable-decklink \
	--disable-directx \
	--disable-dsm \
	--disable-dxva2 \
	--disable-fdkaac \
	--disable-fluidlite \
	--disable-freerdp \
	--disable-goom \
	--disable-gst-decode \
	--disable-libtar \
	--disable-macosx \
	--disable-macosx-avfoundation \
	--disable-macosx-qtkit \
	--disable-microdns \
	--disable-mfx \
	--disable-opencv \
	--disable-projectm \
	--disable-schroedinger \
	--disable-sparkle \
	--disable-srt \
	--disable-telx \
	--disable-vpx \
	--disable-vsxu \
	--disable-wasapi \
	$(NULL)

# Linux specific flags
ifeq ($(DEB_HOST_ARCH_OS),linux)
# omxil should be enabled on all systems, but libomxil-bellagio does
# not build on kfreebsd and hurd (currently).
# V4L2 is disabled on kFreeBSD due to a build failure.
confflags += \
	--enable-alsa \
	--enable-dc1394 \
	--enable-dv1394 \
	--enable-libplacebo \
	--enable-linsys \
	--enable-nfs \
	--enable-omxil \
	--enable-udev \
	--enable-v4l2 \
	--enable-wayland \
	$(NULL)
else
confflags += \
	--disable-alsa \
	--disable-dc1394 \
	--disable-dv1394 \
	--disable-libplacebo \
	--disable-linsys \
	--disable-nfs \
	--disable-omxil \
	--disable-udev \
	--disable-v4l2 \
	--disable-wayland \
	$(NULL)
removeplugins += \
	alsa \
	dc1394 \
	dtv \
	dv1394 \
	dvb \
	fb \
	linsys \
	nfs \
	omxil \
	systemd \
	udev \
	v4l2 \
	wayland \
	$(NULL)
endif

# Linux and kFreeBSD specific flags (disabled on Hurd)
ifeq (,$(filter-out linux kfreebsd,$(DEB_HOST_ARCH_OS)))
confflags += \
	--enable-libva \
	--enable-vcd \
	--enable-smbclient \
	$(NULL)
else
confflags += \
	--disable-libva \
	--disable-vcd \
	--disable-smbclient \
	$(NULL)
removeplugins += \
	cdda \
	libva \
	smbclient \
	vcd \
	$(NULL)
endif

# kFreeBSD specific flags
ifeq (,$(filter-out kfreebsd,$(DEB_HOST_ARCH_OS)))
confflags += --enable-oss
else
# Note: Use PulseAudio/ALSA on Linux instead of OSS.
confflags += --disable-oss
removeplugins += oss
endif

# Linux amd64 and i386 specific flags
ifeq (,$(filter-out amd64 i386,$(DEB_HOST_ARCH)))
confflags += --enable-crystalhd
else
confflags += --disable-crystalhd
removeplugins += crystalhd
endif

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
confflags += \
	--disable-optimizations \
	--disable-mmx \
	--disable-sse \
	--disable-altivec \
	--disable-neon \
	$(NULL)
removeplugins += mmx sse2 altivec neon
else
# amd64 and i386 specific optimizations
ifeq (,$(filter-out amd64 i386,$(DEB_HOST_ARCH_CPU)))
confflags += --enable-mmx --enable-sse
else
confflags += --disable-mmx --disable-sse
removeplugins += mmx sse2
endif

# ARM specific optimizations
ifeq (,$(filter-out armhf,$(DEB_HOST_ARCH_CPU)))
confflags += --enable-neon
else
confflags += --disable-neon
removeplugins += neon
endif

# PowerPC specific optimizations (excluding powerpcspe)
ifeq (,$(filter-out powerpc,$(DEB_HOST_ARCH_CPU))$(filter powerpcspe,$(DEB_HOST_ARCH)))
confflags += --enable-altivec
else
confflags += --disable-altivec
removeplugins += altivec
endif

# PowerPCSPE specific optimizations
ifeq (,$(filter-out powerpcspe,$(DEB_HOST_ARCH)))
DEB_CFLAGS_MAINT_APPEND += -mtune=8548
DEB_CXXFLAGS_MAINT_APPEND += -mtune=8548
endif
endif

export DEB_BUILD_MAINT_OPTIONS
export DEB_CFLAGS_MAINT_APPEND
export DEB_CXXFLAGS_MAINT_APPEND
export DEB_LDFLAGS_MAINT_APPEND
export removeplugins

%:
	dh $@

override_dh_autoreconf:
	dh_autoreconf --as-needed

override_dh_auto_configure:
	dh_auto_configure -- $(confflags)

override_dh_auto_build:
	dh_auto_build
ifeq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
	# Build zsh completion
	BUILDDIR=$(CURDIR) \
	cd extras/analyser && ./zsh_completion.sh
endif

override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	./vlc -vvv --ignore-config --no-plugins-cache --list --no-color
endif
endif

override_dh_install:
	# Remove plugin cache
	find debian/tmp/usr/lib -name plugins.dat -delete
	# Clean up libtool la files
	find debian/tmp -name '*.la' -delete
	# Remove useless stuff
	ln -sf /usr/share/fonts/truetype/freefont/FreeSans.ttf debian/tmp/usr/share/vlc/skins2/fonts/FreeSans.ttf
	ln -sf /usr/share/fonts/truetype/freefont/FreeMonoBold.ttf debian/tmp/usr/share/vlc/skins2/fonts/FreeSansBold.ttf
	rm -f debian/tmp/usr/share/man/man1/vlc-config.1
	# Remove additional license files
	find debian/tmp -name LICENSE -delete
	# Remove examples installed in -dev packages
	rm -rf debian/tmp/usr/share/doc/vlc/libvlc
	# Install
	dh_install
ifeq ($(DEB_BUILD_GNU_TYPE),$(DEB_HOST_GNU_TYPE))
	# Install zsh completion
	dh_install -pvlc-bin extras/analyser/_vlc usr/share/zsh/vendor-completions
endif
ifeq (Ubuntu,$(DEB_VENDOR))
	dh_install -pvlc-bin debian/source_vlc.py usr/share/apport/package-hooks/
endif
	# Create empty directory for plugins.dat
	mkdir -p debian/libvlc-bin/usr/lib/${DEB_HOST_MULTIARCH}/vlc/plugins

override_dh_missing:
	dh_missing --fail-missing

override_dh_installchangelogs:
	dh_installchangelogs NEWS

override_dh_makeshlibs:
	dh_makeshlibs -Xlibvlc_vdpau -Xlibvlc_pulse -Xlibvlc_xcb_events

debian/shlibs.local:
	echo "libvlc 5 libvlc5 (>= $(DEB_VERSION_UPSTREAM))" > debian/shlibs.local
	echo "libvlccore 9 libvlccore9 (>= $(DEB_VERSION_UPSTREAM))" >> debian/shlibs.local

override_dh_shlibdeps: debian/shlibs.local
	dh_shlibdeps

override_dh_bugfiles:
	dh_bugfiles -A

override_dh_installdeb-arch:
	sed 's/#DEB_HOST_MULTIARCH#/${DEB_HOST_MULTIARCH}/g' \
		debian/libvlc-bin.postinst.in > debian/libvlc-bin.postinst
	sed 's/#DEB_HOST_MULTIARCH#/${DEB_HOST_MULTIARCH}/g' \
		debian/libvlc-bin.prerm.in > debian/libvlc-bin.prerm
	echo 'interest-noawait /usr/lib/${DEB_HOST_MULTIARCH}/vlc/plugins' > debian/libvlc-bin.triggers
	dh_installdeb -a

override_dh_gencontrol-arch:
	sed -n 's/^# define MODULE_SYMBOL \([0-9][_0-9a-z]*\)/-Vvlc:PluginABI=vlc-plugin-abi-\1/p' \
		include/vlc_plugin.h | tr _ - | xargs dh_gencontrol -a --