#!/usr/bin/make -f

# see EXAMPLES in dpkg-buildflags(1) and read /usr/share/dpkg/*
DPKG_EXPORT_BUILDFLAGS = 1
export DEB_BUILD_MAINT_OPTIONS = hardening=+all reproducible=+all
DEB_CFLAGS_MAINT_APPEND = -flto=auto -ffat-lto-objects
DEB_CXXFLAGS_MAINT_APPEND = -flto=auto -ffat-lto-objects
DEB_LDFLAGS_MAINT_APPEND = -flto=auto -ffat-lto-objects
include /usr/share/dpkg/default.mk
include /usr/share/debhelper/dh_package_notes/package-notes.mk

# Upstream now defines a single ABI across all libs that we will use
DPDK_ABI := $(shell cat ABI_VERSION | cut -d. -f1)
# Experimental libs will have 0.200 on actual ABI 20.0
DPDK_EXP_ABI := "0.$(shell cat ABI_VERSION | cut -d. -f1-2 | tr -d ".")"

#ifeq (,$(findstring terse,$(DEB_BUILD_OPTIONS)))
#	export DH_VERBOSE=1
#	export DH_OPTIONS=-v
#endif

# People rebuilding this package can overwrite RTE_PLATFORM
# via DEB_BUILD_OPTIONS if they like
ifneq (,$(filter rte_machine=%,$(DEB_BUILD_OPTIONS)))
	echo "WARNING: the machine setting is deprecated, please use platform (rte_platform)"
    RTE_PLATFORM ?= $(patsubst rte_machine=%,%,$(filter rte_platform=%,$(DEB_BUILD_OPTIONS)))
endif
ifneq (,$(filter rte_platform=%,$(DEB_BUILD_OPTIONS)))
    RTE_PLATFORM ?= $(patsubst rte_platform=%,%,$(filter rte_platform=%,$(DEB_BUILD_OPTIONS)))
endif
# default to minimal base, without setting this it would build
# -march=native which is a non portable invariant
RTE_PLATFORM ?= "generic"

ifneq (,$(findstring nodoc,$(DEB_BUILD_PROFILES)))
BUILD_DOCS=n
else
ifneq (,$(findstring nodoc,$(DEB_BUILD_OPTIONS)))
BUILD_DOCS=n
# to stop dh_installdoc from running
export DEB_BUILD_PROFILES += nodoc
else
BUILD_DOCS=y
endif
endif

# Allow to pass specific configure flags to meson as a comma separated list
ifneq (,$(filter dpdk_config_options=%,$(DEB_BUILD_OPTIONS)))
# GNU Makefile hack: can't directly escape comma and spaces, so use variables
    comma := ,
    empty :=
    space := $(empty) $(empty)
    DPDK_CONFIG_OPTIONS ?= $(subst $(comma),$(space),$(patsubst dpdk_config_options=%,%,$(filter dpdk_config_options=%,$(DEB_BUILD_OPTIONS))))
endif

%:
	dh $@ --with python3 --buildsystem=meson

override_dh_gencontrol:
	dh_gencontrol
	# debian/files will not exist until dh_gencontrol has ran at least once,
	# so we need to run gencontrol for libdpdk-dev after.
	# The list of libraries and PMDs is everchanging, so generate the dependency
	# list for libdpdk-dev to avoid having to maintain it manually.
	# Various meta packages help users to gain a granular access per lib-subtype.
	# The recommends list for dpdk has more common libs, all full meta categories
	# are listed as suggests.
	dh_gencontrol -p libdpdk-dev          -- -V"librte:All=`grep      -E 'librte-*'           ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-all      -- -V"librte:All=`grep      -E 'librte-*'           ./debian/files | grep -v dbgsym | grep -v 'librte-meta-' | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-baseband -- -V"librte:Baseband=`grep -E 'librte-baseband-.*' ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-bus      -- -V"librte:Bus=`grep      -E 'librte-bus-.*'      ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-common   -- -V"librte:Common=`grep   -E 'librte-common-.*'   ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-compress -- -V"librte:Compress=`grep -E 'librte-compress-.*' ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-crypto   -- -V"librte:Crypto=`grep   -E 'librte-crypto-.*'   ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-dma      -- -V"librte:Dma=`grep      -E 'librte-dma-.*'      ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-event    -- -V"librte:Event=`grep    -E 'librte-event-.*'    ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-mempool  -- -V"librte:Mempool=`grep  -E 'librte-mempool-.*'  ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-net      -- -V"librte:Net=`grep      -E 'librte-net-.*'      ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-raw      -- -V"librte:Raw=`grep      -E 'librte-raw-.*'      ./debian/files | grep -v dbgsym                          | tr '_' ' ' | awk '{ print $$1,"(=",$$2 ")" }' | paste -sd ',' - | sed -e 's/,/, /g'`"
	dh_gencontrol -p librte-meta-allpmds -- -V"librte:Allpmds=`for pmd in $$(find -type d -wholename './debian/librte-*dpdk/pmds-*'); do awk -v "ver=$(DEB_VERSION)" '/^Package:/ {printf("%s (= %s), \n",$$2,ver)}' "$${pmd}/../../../../../DEBIAN/control"; done | LC_ALL=C sort --stable | xargs`"

override_dh_auto_clean:
	rm -f doc/guides/compressdevs/overview_feature_table.txt \
		doc/guides/cryptodevs/overview_aead_table.txt \
		doc/guides/cryptodevs/overview_asym_table.txt \
		doc/guides/cryptodevs/overview_auth_table.txt \
		doc/guides/cryptodevs/overview_cipher_table.txt \
		doc/guides/cryptodevs/overview_feature_table.txt \
		doc/guides/nics/overview_table.txt \
		doc/guides/bbdevs/overview_feature_table.txt \
		doc/guides/cryptodevs/overview_os_table.txt \
		doc/guides/eventdevs/overview_crypto_adptr_feature_table.txt \
		doc/guides/eventdevs/overview_feature_table.txt \
		doc/guides/eventdevs/overview_rx_adptr_feature_table.txt \
		doc/guides/eventdevs/overview_timer_adptr_feature_table.txt \
		doc/guides/eventdevs/overview_tx_adptr_feature_table.txt \
		doc/guides/gpus/overview_feature_table.txt \
		doc/guides/nics/rte_flow_actions_table.txt \
		doc/guides/nics/rte_flow_items_table.txt \
		doc/guides/regexdevs/overview_feature_table.txt \
		doc/guides/vdpadevs/overview_feature_table.txt
	# test directory for sockets, etc
	rm -rf $(CURDIR)/tmpdir
	# every PMD package has a ldconfig-escape lintian warning, so we generate an override, delete them on cleanup
	find debian -type f \( -iname "librte-*.lintian-overrides" ! -iname "librte-meta*.lintian-overrides" \) -delete
	# some python helpers got precompiled in place along the way and are not always cleaned up
	find . -name '*.pyc' -type f -delete
	find . -name '__pycache__' -type d -delete
	dh_auto_clean

override_dh_auto_configure:
	dh_auto_configure -- $(DPDK_CONFIG_OPTIONS) \
		--includedir=include/dpdk \
		--default-library=shared \
		-Dinclude_subdir_arch=../$(DEB_HOST_MULTIARCH)/dpdk \
		-Dplatform=$(RTE_PLATFORM) \
		-Db_lto=true
	head obj-$(DEB_HOST_GNU_TYPE)/compile_commands.json || find . -name compile_commands.json
	grep --max-count=1 -e '-mcpu=' -e '-march=' \
		obj-$(DEB_HOST_GNU_TYPE)/compile_commands.json
	grep -q -e '-mcpu=power8' -e '-march=corei7' -e '-march=armv8-a+crc' -e '-march=rv64gc' -e '-march=loongarch64' \
		obj-$(DEB_HOST_GNU_TYPE)/compile_commands.json \
		|| (echo "Error: unexpected target cpu"; exit 1)

override_dh_auto_build-indep:
ifeq (y,$(BUILD_DOCS))
	dh_auto_build -- doc
	# NINJA DOC INSTALL DOES NOT WORK - .buildinfo present, css missing
	rm -rf obj-$(DEB_HOST_MULTIARCH)/doc/guides/guides/.buildinfo \
		obj-$(DEB_HOST_MULTIARCH)/doc/guides/html/.doctrees \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/.buildinfo \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/.doctrees \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/.html.d \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/framework.settings.html \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/framework.testbed_model.traffic_generator.capturing_traffic_generator.html \
		obj-$(DEB_HOST_MULTIARCH)/doc/api/html/dts/sphinx_html.out.gz
endif

# ninja install doc does not work, will rebuild everything,
# only dpdk-doc as arch: all so just skip it
override_dh_auto_install-indep:

override_dh_auto_install-arch:
	dh_auto_install
	# Package(s): libdpdk-<NAME><VER> (bare runtime libs and PMDs)
	# if lib names end in a number, insert a "-"
	# if libraries are fully experimental set zero as package name suffix, otherwise DPDK_ABI
	# every PMD package has a ldconfig-escape lintian warning, so we generate an override
	for lib in $$(ls -1 debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/*.so.*); do \
	  LN=$$(basename $${lib} | sed -e 's/\.so\.[0-9\.]*$$//' | tr '_' '-'); \
	  if echo $${LN} | grep -q ".*[0-9]$$"; then \
	    PKG="$${LN}-"; \
	  else \
	    PKG="$${LN}"; \
	  fi; \
	  if echo $${lib} | grep -q "\.so\.0\.[0-9]*$$"; then \
	    PKG="$${PKG}$(DPDK_EXP_ABI)"; \
	  else \
	    PKG="$${PKG}$(DPDK_ABI)"; \
	  fi; \
	  LIBF="$$(basename $${lib})"; \
	  dh_install -p $${PKG} usr/lib/$(DEB_HOST_MULTIARCH)/$${LIBF}; \
	  if [ -f debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/*/*/$${LIBF} ]; then \
	    dh_install -p $${PKG} usr/lib/$(DEB_HOST_MULTIARCH)/*/*/$${LIBF}; \
	    echo "ldconfig-escape" > $(CURDIR)/debian/$${PKG}.lintian-overrides; \
	  fi; \
	done
	# Strip RPATH, hard-coded in test/test/meson.build at the moment
	chrpath --delete $(CURDIR)/debian/tmp/usr/bin/dpdk-test
	# Only present on ninja install, so fails on arch: all builds
	rm -f $(CURDIR)/debian/tmp/usr/share/doc/dpdk/_static/css/custom.css

override_dh_install:
	# only needed for doc conversions, not in the package (and breaks reproducible builds)
	rm -f $(CURDIR)/obj-*/doc/guides/html/objects.inv
	dh_install --exclude=fonts

override_dh_installinit:
	dh_installinit --no-start --no-stop-on-upgrade

override_dh_installsystemd:
	dh_installsystemd --no-start --no-stop-on-upgrade

# Don't run tests when building documentation
override_dh_auto_test-indep:

# Unit tests do not work on Salsa CI due to checks on the build directory
# permissions that cannot be overridden, so skip them. They will be run by
# autopkgtest.
override_dh_auto_test-arch:

override_dh_python3:
	# dh_python only looks in /usr/share/package_name but dpdk-doc installs in
	# /usr/share/dpdk, so pass /usr to catch all
	dh_python3 --shebang=/usr/bin/python3 /usr

override_dh_missing:
	dh_missing --fail-missing