#!/usr/bin/make -f

-include /usr/share/cdbs/1/rules/debhelper.mk
-include /usr/share/cdbs/1/rules/simple-patchsys.mk
-include /usr/share/cdbs/1/class/gnome.mk
-include /usr/share/cdbs/1/rules/utils.mk

LDFLAGS += -Wl,-z,defs -Wl,-O1 -Wl,--as-needed

CFLAGS += -Wno-error

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
    CFLAGS += -O0
else
    CFLAGS += -O2
endif

ifneq (,$(findstring nodocs,$(DEB_BUILD_OPTIONS)))
    DEB_CONFIGURE_EXTRA_FLAGS += --disable-gtk-doc --disable-docbook
    common-install-indep::
	mkdir -p debian/tmp/usr/share/gtk-doc
else
    DEB_CONFIGURE_EXTRA_FLAGS += --enable-gtk-doc --enable-docbook
endif

ifeq (,$(findstring debug,$(DEB_BUILD_OPTIONS)))
    CFLAGS += -DG_DISABLE_CAST_CHECKS -DGST_DISABLE_GST_DEBUG=1
    DEB_CONFIGURE_EXTRA_FLAGS += --enable-glib-asserts=no
else
    DEB_CONFIGURE_EXTRA_FLAGS += --enable-glib-asserts=yes
endif

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    MAKEFLAGS += -j$(NUMJOBS)
endif

DEB_MAKE_CHECK_TARGET = check GST_CHECKS=disable ORC_CODE=debug || true

# upstream version with epoch
gst_version := $(shell echo $(DEB_VERSION) | cut -d '-' -f 1)
gst_major := 0
gst_minor := 10
gst_abi := $(gst_major).$(gst_minor)
# gstreamer library package names
gst_lib := libgstreamer$(gst_abi)-0
gst_lib_dev := libgstreamer$(gst_abi)-dev
# what gstreamer version is needed
gst_lib_dev_dep := $(gst_lib_dev) (>= 0.10.22)

gst_pkgname := gstreamer$(gst_abi)
gst_deb_abi := $(gst_abi)-0

# gst-plugins-base library package names
gst_plugins_base_lib := libgstreamer-plugins-base$(gst_deb_abi)
gst_plugins_base_lib_dev := libgstreamer-plugins-base$(gst_abi)-dev
# gst-plugins-base library shlibs
gst_plugins_base_lib_dep := "$(gst_plugins_base_lib) (>= $(gst_version))"

# debug package
DEB_DH_STRIP_ARGS += --dbg-package=$(gst_pkgname)-plugins-base-dbg

DEB_COMPRESS_EXCLUDE = .sgml .devhelp .ps .pdf

# The plugins are basically the same.
# Link special names to a template file.
# still need "*.install" to be done by hand

PLUGINS += plugins-base x alsa plugins-base-extra plugins-base-subtitles
VERSIONIZE += \
	plugins-base-apps.install \
	plugins-base-apps.manpages \
	plugins-base-doc.install \

# setup links for packages
pre-build::
	for p in $(PLUGINS); do \
		rm -f debian/$(gst_pkgname)-$$p.install; \
		cat debian/gstreamer-$$p.install | \
			sed 's/@GST_ABI@/$(gst_abi)/g' \
			>debian/$(gst_pkgname)-$$p.install; \
	done
	for f in $(VERSIONIZE); do \
		cat debian/gstreamer-$$f | \
			sed 's/@GST_ABI@/$(gst_abi)/g' \
			>debian/$(gst_pkgname)-$$f; \
	done
	rm -f debian/libgstreamer-plugins-base$(gst_deb_abi).install
	cat debian/libgstreamer-plugins-base.install | \
		sed 's/@GST_ABI@/$(gst_abi)/g' \
		>debian/libgstreamer-plugins-base$(gst_deb_abi).install
	rm -f debian/libgstreamer-plugins-base$(gst_abi)-dev.install
	cat debian/libgstreamer-plugins-base-dev.install | \
		sed 's/@GST_ABI@/$(gst_abi)/g' \
		>debian/libgstreamer-plugins-base$(gst_abi)-dev.install

maint: debian/control

debian/stamp-autogen:
	./autogen.sh --noconfigure
	touch $@

post-patches:: debian/stamp-autogen

debian/control:: debian/control.in debian/rules debian/changelog force
	cat debian/control.in | \
		sed 's/@GST_VERSION@/$(gst_version)/g' | \
		sed 's/@GST_ABI@/$(gst_abi)/g' | \
		sed 's/@GST_PKGNAME@/$(gst_pkgname)/g' | \
		sed 's/@GST_LIB@/$(gst_lib)/g' | \
		sed 's/@GST_LIB_DEV@/$(gst_lib_dev)/g' | \
		sed 's/@GST_LIB_DEV_DEP@/$(gst_lib_dev_dep)/g' | \
		sed 's/@GST_PLUGINS_BASE_LIB@/$(gst_plugins_base_lib)/g' | \
		sed 's/@GST_PLUGINS_BASE_LIB_DEV@/$(gst_plugins_base_lib_dev)/g' >$@

DEB_CONFIGURE_EXTRA_FLAGS += \
	--enable-introspection=no \
	--disable-nls \
	--enable-debug \
	--enable-experimental \
	--with-audioresample-format=int \
	--with-package-name=$(GST_PACKAGE_NAME) \
	--with-package-origin=$(GST_PACKAGE_ORIGIN) \
	--with-install-plugins-helper="/usr/bin/gstreamer-codec-install"

clean::
	# get rid of the symlinks
	for i in $(PLUGINS); do \
		rm -f debian/$(gst_pkgname)-$$i.install; \
		rm -f debian/$(gst_pkgname)-$$i.preinst; \
	done
	for f in $(VERSIONIZE); do \
		rm -f debian/$(gst_pkgname)-$$f; \
	done
	rm -f debian/libgstreamer-plugins-base$(gst_deb_abi).install
	rm -f debian/libgstreamer-plugins-base$(gst_abi)-dev.install

binary-post-install/$(gst_pkgname)-plugins-base-apps::
	dh_perl

DEB_DH_MAKESHLIBS_ARGS_$(gst_plugins_base_lib) += -V $(gst_plugins_base_lib_dep) -- -c4
DEB_INSTALL_DOCS_ALL += debian/README.Debian NEWS
DEB_SHLIBDEPS_INCLUDE += debian/libgstreamer-plugins-base$(gst_deb_abi)/usr/lib
# Disable inclusion of large upstream ChangeLog
DEB_INSTALL_CHANGELOGS_ALL :=

# override shlibs for libraries from this source before computing dependencies
# of packages generated from this source; we already have inter-dependencies
# expressed manually in the control file, we do not need the shlibs to add
# duplicates
# (this rule runs just before the dh_shlibdeps)
common-binary-fixup-arch::
	mkdir -p $(CURDIR)/fake-home
	HOME=$(CURDIR)/fake-home \
	LD_LIBRARY_PATH=debian/libgstreamer-plugins-base0.10-0/usr/lib:$(LD_LIBRARY_PATH) \
	    dh_gstscancodecs
	-rm -f debian/shlibs.local
	rm -rf $(CURDIR)/fake-home
	cat debian/*/DEBIAN/shlibs | \
		sed -n -r -e 's/(([^ ]+: )?([^ ]+) ([^ ]+)) .*/\1/p' \
			>debian/shlibs.local

# (this rules runs just after the dh_shlibdeps)
common-binary-predeb-arch::
	-rm -f debian/shlibs.local

force:

.PHONY: maint force

UPSTREAM_REF=master
PATCHES_REF=maemo-patches

update-patch-series:
	mkdir -p $(CURDIR)/debian/patches
	rm -f $(CURDIR)/debian/patches/*.patch
	git format-patch -N -o $(CURDIR)/debian/patches $(PATCHES_REF) ^$(UPSTREAM_REF) | \
		xargs -n 1 basename > $(CURDIR)/debian/patches/series
	for patch in $$(ls $(CURDIR)/debian/patches/*.patch) ; \
	do \
		lines=$$(cat $$patch | wc -l) ; \
		head -n $$(($$lines - 3)) $$patch > $${patch}.chomped ; \
		mv $${patch}.chomped $$patch ; \
	done

update-common: COMMIT = $(shell git rev-parse $(shell git rev-parse --verify MERGE_HEAD || git merge-base $(UPSTREAM_REF) HEAD):common)
update-common:
	@if ! git diff-files --ignore-submodules --quiet common || \
		! git diff-index --ignore-submodules --cached --quiet HEAD -- common; then \
			echo "your common/ directory state is dirty"; \
			exit 1; \
		fi
	if test -d $(CURDIR)/common ; then rm -rfv $(CURDIR)/common ; git rm -r --cached --ignore-unmatch $(CURDIR)/common ; fi
	git clone -n git://anongit.freedesktop.org/gstreamer/common $(CURDIR)/common
	cd $(CURDIR)/common && git checkout -f $(COMMIT)
	rm -rfv $(CURDIR)/common/.git
	git add $(CURDIR)/common
	@echo "common update staged, git commit to proceed"