#!/usr/bin/make -f

export DH_VERBOSE=1
export DEB_BUILD_HARDENING=1

# enable Debian Hardening
# see: https://wiki.debian.org/Hardening
export DEB_BUILD_MAINT_OPTIONS = hardening=+all

# Disable LTO on Ubuntu, see LP: #1970634 and https://jira.mariadb.org/browse/MDEV-25633
ifeq ($(shell dpkg-vendor --derives-from Ubuntu && echo yes), yes)
    export DEB_BUILD_MAINT_OPTIONS += optimize=-lto
endif

DPKG_EXPORT_BUILDFLAGS = 1
# Include all defaults, including buildflags.mk
include /usr/share/dpkg/default.mk
# CPPFLAGS are nor read by CMake, so copy them to CXXFLAGS
# See why at https://cmake.org/Bug/view.php?id=12928
# This is needed for e.g. all automatic Debian hardening flags to apply on all cmake builds.
CFLAGS+=$(CPPFLAGS)
CXXFLAGS+=$(CPPFLAGS)

# Only do a strict symbol checking on Linux
ifneq (,$(filter linux,$(DEB_HOST_ARCH_OS)))
    DPKG_GENSYMBOLS_CHECK_LEVEL := 4
endif

BUILDDIR := builddir
DEB_VERSION_REVISION := $(shell echo $(DEB_VERSION) | sed -e 's/^.*-//')
DEB_VERSION_VERSION := $(shell echo $(DEB_VERSION) | sed -e 's/^.*:\(.*\)\(-\|+\).*/\1/')
DEB_VERSION_MAJOR := $(shell echo $(DEB_VERSION_VERSION) | sed -e 's/^\(.*\)\..*$$/\1/')
RELEASE := $(shell lsb_release -r -s) # Use changelog based DEB_DISTRIBUTION instead?
TMP:=$(CURDIR)/debian/tmp

# According to Debian Policy version 4.2.0 builds should be as verbose as
# possible unless 'terse' is specifically passed.
ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
    export DH_VERBOSE=1
endif

# Parallel build support as advised
# at https://www.debian.org/doc/debian-policy/ch-source.html#s-debianrules-options
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
    MAKEFLAGS += -j$(NUMJOBS)
else
    # NUMJOBS cannot be empty as it is used as a parameter to mtr, default to 'auto'.
    NUMJOBS = auto
endif

# RocksDB cannot build on 32-bit platforms
ifeq (32,$(DEB_HOST_ARCH_BITS))
    CMAKEFLAGS += -DPLUGIN_ROCKSDB=NO
endif

# Cross building requires stack direction instruction
ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
    ifneq (,$(filter $(DEB_HOST_ARCH_CPU),alpha amd64 arm arm64 i386 ia64 m68k mips64el mipsel powerpc ppc64 ppc64el riscv64 s390x sh4 sparc64))
        CMAKEFLAGS += -DSTACK_DIRECTION=-1
    endif
    ifneq (,$(filter $(DEB_HOST_ARCH_CPU),hppa))
        CMAKEFLAGS += -DSTACK_DIRECTION=1
    endif
endif

# Only attempt to build with PMEM on archs that have package libpmem-dev available
# See https://packages.debian.org/search?searchon=names&keywords=libpmem-dev
ifneq (,$(filter $(DEB_HOST_ARCH_CPU),amd64 arm64 ppc64el riscv64))
    CMAKEFLAGS += -DWITH_PMEM=YES
endif

# Add support for verbose builds
MAKEFLAGS += VERBOSE=1

override_dh_auto_clean:
	@echo "RULES.$@"
	dh_testdir
	dh_testroot
	rm -rf $(BUILDDIR) builddir-native mysql-test/unstable-tests
	debconf-updatepo # Update po-files when clean runs before each build

override_dh_auto_configure:
	@echo "RULES.$@"
	dh_testdir

ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
	dpkg-architecture -a$(DEB_BUILD_ARCH) -f -c dh_auto_configure --builddirectory=builddir-native
	dh_auto_build --builddirectory=builddir-native -- import_executables
endif

	echo "server:Version=$(DEB_VERSION)" >> debian/substvars

	# As packages does not have major version any more  on package name there is no way as it not set by dpkg
	# to use this on postinst script. Use sed to determine major version
	sed -i 's/__MARIADB_MAJOR_VER__/$(DEB_VERSION_MAJOR)/g' debian/mariadb-server.post* debian/mariadb-server.preinst

	# Don't build ColumnStore as part of the native build as it does not meet the
	# quality standards in Debian. Also building it requires an extra 4 GB of disk
	# space which makes native Debian builds fail as the total disk space needed
	# for MariaDB becomes over 10 GB. Only build CS via autobake-deb.sh.
	PATH=$${MYSQL_BUILD_PATH:-"/usr/lib/ccache:/usr/local/bin:/usr/bin:/bin"} \
	    NO_UPDATE_BUILD_VERSION=1 \
	    dh_auto_configure --builddirectory=$(BUILDDIR) -- \
	    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
	    $(CMAKEFLAGS) \
	    $(if $(filter $(DEB_BUILD_ARCH),$(DEB_HOST_ARCH)),,-DIMPORT_EXECUTABLES=$(CURDIR)/builddir-native/import_executables.cmake) \
	    -DCOMPILATION_COMMENT="mariadb.org binary distribution" \
	    -DMYSQL_SERVER_SUFFIX="-$(DEB_VERSION_REVISION)" \
	    -DSYSTEM_TYPE="debian-$(DEB_HOST_GNU_SYSTEM)" \
	    -DCMAKE_SYSTEM_PROCESSOR=$(DEB_HOST_ARCH) \
	    -DBUILD_CONFIG=mysql_release \
	    -DCONC_DEFAULT_CHARSET=utf8mb4 \
	    -DPLUGIN_AWS_KEY_MANAGEMENT=NO \
	    -DPLUGIN_COLUMNSTORE=NO \
	    -DIGNORE_AIO_CHECK=YES \
	    -DWITH_URING=YES \
	    -DDEB=$(DEB_VENDOR)

# This is needed, otherwise 'make test' will run before binaries have been built
override_dh_auto_build:
	@echo "RULES.$@"
	# Print build env info to help debug builds on different platforms
	dpkg-architecture
	cd $(BUILDDIR) && $(MAKE) --output-sync=target

override_dh_auto_test:
	@echo "RULES.$@"
	dh_testdir
	# Ensure at least an empty file exists
	touch mysql-test/unstable-tests
	[ ! -f debian/unstable-tests.$(DEB_HOST_ARCH) ] || cat debian/unstable-tests.$(DEB_HOST_ARCH) >> mysql-test/unstable-tests
	# Run testsuite
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	cd $(BUILDDIR)/mysql-test && \
	./mtr --force --mem \
	      --parallel=$(NUMJOBS) --skip-rpl --suite=main \
	      --skip-test-list=unstable-tests
endif

override_dh_auto_install:
	@echo "RULES.$@"
	dh_testdir
	dh_testroot

ifneq (,$(filter linux,$(DEB_HOST_ARCH_OS)))
	# Copy systemd files to a location available for dh_installinit
	cp $(BUILDDIR)/support-files/mariadb.service debian/mariadb-server.mariadb.service
	cp $(BUILDDIR)/support-files/mariadb.socket debian/mariadb-server.mariadb.socket
	cp $(BUILDDIR)/support-files/mariadb-extra.socket debian/mariadb-server.mariadb-extra.socket
	cp $(BUILDDIR)/support-files/mariadb@.service debian/mariadb-server.mariadb@.service
	cp $(BUILDDIR)/support-files/mariadb@.socket debian/mariadb-server.mariadb@.socket
	cp $(BUILDDIR)/support-files/mariadb-extra@.socket debian/mariadb-server.mariadb-extra@.socket
endif

	# Run 'make install' without output since it is uninteresting and
	# silencing it helps to make overall build log shorter and more readable
	@echo "Running $(MAKE) install DESTDIR=$(TMP) ..."
	cd $(BUILDDIR) && $(MAKE) install DESTDIR=$(TMP) > /dev/null

	# If mariadb-test package is removed, also remove most of it's files
	grep --quiet "Package: mariadb-test" debian/control || rm -rf $(TMP)/usr/share/mariadb/mariadb-test

	# Delete private files from libraries so they don't get shipped in the -dev packages
	rm -r $(TMP)/usr/include/mariadb/server/private

	# Don't ship sql-bench at all, just delete it completely even though it builds
	rm -r $(TMP)/usr/sql-bench

	# nm numeric soft is not enough, therefore extra sort in command
	# to satisfy Debian reproducible build requirements
	mkdir -p $(TMP)/usr/share/doc/mariadb-server
	nm --defined-only $(BUILDDIR)/sql/mariadbd | LC_ALL=C sort | gzip -n -9 > $(TMP)/usr/share/doc/mariadb-server/mariadbd.sym.gz

	# Rename and install AppArmor profile
	install -D -m 644 debian/apparmor-profile $(TMP)/etc/apparmor.d/usr.sbin.mariadbd

	# Install libmariadbclient18 compatibility links
	ln -s libmariadb.so.3 $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadbclient.so
	ln -s libmariadb.so.3 $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadbclient.so.18

	# Install libmysqlclientclientXX compatibility links
	ln -s libmariadb.so.3 $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmysqlclient.so.18
	ln -s libmariadb.so.3 $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmysqlclient.so.19
	ln -s libmariadb.so.3 $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmysqlclient.so.20

	# Install libmariadbclient.a compatibility link
	ln -s libmariadb.a $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadbclient.a

	# Symlink plugins that are used by both server and client and thus need to
	# load from the libmariadb path as well
	ln -s ../../../mysql/plugin/auth_test_plugin.so $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadb3/plugin/auth_test_plugin.so
	ln -s ../../../mysql/plugin/qa_auth_interface.so $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadb3/plugin/qa_auth_interface.so
	ln -s ../../../mysql/plugin/test_sql_service.so $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadb3/plugin/test_sql_service.so
	# Move test plugins that are only needed by the client to the libmariadb path
	mv -v $(TMP)/usr/lib/mysql/plugin/qa_auth_client.so $(TMP)/usr/lib/$(DEB_HOST_MULTIARCH)/libmariadb3/plugin/

override_dh_systemd_enable:
	dh_systemd_enable --name=mariadb
	dh_systemd_enable --no-enable --name=mariadb mariadb.socket
	dh_systemd_enable --no-enable --name=mariadb-extra mariadb-extra.socket
	dh_systemd_enable --no-enable --name=mariadb@ mariadb.socket
	dh_systemd_enable --no-enable --name=mariadb-extra@ mariadb-extra.socket
	dh_systemd_enable --no-enable --name=mariadb@ mariadb@.service

# Start MariaDB at sequence number 19 before 20 where apache, proftpd etc gets
# started which might depend on a running database server.
override_dh_installinit-arch:
	dh_installinit --name=mariadb --no-start -- defaults 19 21
	dh_systemd_start --restart-after-upgrade

# Use custom server version string variable
override_dh_gencontrol:
	dh_gencontrol -- -Tdebian/substvars

# If a file is not supposed to be included anywhere, add it to the not-installed
# file and document the reason. Note that dh_install supports the above mentioned
# white list file only starting from Debian Stretch and Ubuntu Xenial.
# To find more, grep build logs for 'but is not installed to anywhere'.
%:
	dh $@ --parallel --with systemd --fail-missing

# vim: ts=8