#!/usr/bin/make -f
# -*- makefile -*-

export DH_VERBOSE=1

export DEBIAN_DISABLE_RUBYGEMS_INTEGRATION = 1

# This has to be exported to make some magic below work.
export DH_OPTIONS
TESTOPTS += -v
export TESTOPTS

DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

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

export RUBY_VERSION       := $(patsubst ruby%,%,$(DEB_SOURCE))
export RUBY_API_VERSION   := $(RUBY_VERSION).0

configure_options += --prefix=/usr
configure_options += --enable-multiarch
configure_options += --target=$(DEB_HOST_MULTIARCH)
configure_options += --program-suffix=$(RUBY_VERSION)
configure_options += --with-soname=ruby-$(RUBY_VERSION)
configure_options += --enable-shared
configure_options += --disable-rpath
configure_options += --with-sitedir='/usr/local/lib/site_ruby'
configure_options += --with-sitearchdir="/usr/local/lib/$(DEB_HOST_MULTIARCH)/site_ruby"
configure_options += --runstatedir=/var/run
configure_options += --localstatedir=/var
configure_options += --sysconfdir=/etc

# These are embedded in rbconfig.rb and should be triplet-prefixed for
# cross compilation.
configure_options += AS=$(DEB_HOST_GNU_TYPE)-as
configure_options += CC=$(DEB_HOST_GNU_TYPE)-gcc
configure_options += CXX=$(DEB_HOST_GNU_TYPE)-g++
configure_options += LD=$(DEB_HOST_GNU_TYPE)-ld

ifneq ($(DEB_BUILD_GNU_TYPE), $(DEB_HOST_GNU_TYPE))
# Cross-building. This is the same logic that debhelper's
# lib/Debian/Debhelper/Buildsystem/autoconf.pm uses.
# note that you also need --with-baseruby, so use the "cross" build-profile.
configure_options += --build=$(DEB_BUILD_GNU_TYPE)
configure_options += --host=$(DEB_HOST_GNU_TYPE)
endif
ifneq ($(filter cross,$(DEB_BUILD_PROFILES)),)
configure_options += --with-baseruby=/usr/bin/ruby
endif

# the following are ignored by ./configure, but used by some extconf.rb scripts
configure_options += --enable-ipv6
configure_options += --with-dbm-type=gdbm_compat

# do not compress debug sections for arch-dep Ruby packages with dh_compat 12
configure_options += --with-compress-debug-sections=no

# hardening and other standard Debian build flags
export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
configure_options += $(shell dpkg-buildflags --export=configure)

# See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93808
ifneq (,$(filter $(DEB_HOST_ARCH),sh3 sh4))
export DEB_CFLAGS_MAINT_APPEND += -fno-crossjumping
endif

# Always build with /bin/bash, to get consistent rbconfig.rb (which embeds SHELL).
export SHELL := /bin/bash

# Some tests rely on $HOME
export HOME := $(shell mktemp -d)
export LANG := C.UTF-8

%:
	dh $@

override_dh_auto_configure:
	cp /usr/share/misc/config.guess tool
	cp /usr/share/misc/config.sub tool
ifeq (riscv64,$(DEB_HOST_ARCH))
	LIBS="-latomic" ./configure $(configure_options)
else
	./configure $(configure_options)
endif

override_dh_auto_clean:
	$(MAKE) clean || true
	$(MAKE) distclean-ext || true
	rm -f tool/config.guess tool/config.sub
	$(RM) test/excludes/$(DEB_HOST_ARCH)
	$(RM) -r .ext
	$(RM) -r doc/capi
	$(RM) .installed.list GNUmakefile Makefile builtin_binary.inc \
		config.status enc.mk uncommon.mk verconf.h

override_dh_auto_build-arch:
	dh_auto_build -- main V=1

# see full list in common.mk (search for /^check:/)
TEST_TARGETS := test test-tool test-all # missing test-spec

excludes =
excludes += --excludes-dir=debian/tests/excludes/any/
excludes += --excludes-dir=debian/tests/excludes/$(DEB_HOST_ARCH)/
ifneq (,$(DEBIAN_RUBY_EXTRA_TEST_EXCLUDES))
	excludes += --excludes-dir=debian/tests/excludes/$(DEBIAN_RUBY_EXTRA_TEST_EXCLUDES)/
endif
override_dh_auto_test-arch:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	$(MAKE) $(TEST_TARGETS) V=1 RUBY_TESTOPTS=-v TESTS="$(excludes)" OPENSSL_CONF=$(CURDIR)/debian/openssl.cnf
endif

override_dh_auto_install-arch:
	$(MAKE) install-nodoc V=1 DESTDIR=$(CURDIR)/debian/tmp
	# handle embedded copy of jquery
	$(RM) $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/js/jquery.js
	dh_link -plibruby$(RUBY_VERSION) /usr/share/javascript/jquery/jquery.min.js /usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/js/jquery.js
	# handle embedded copy of Lato (font)
	$(RM) $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-Regular.ttf
	dh_link -plibruby$(RUBY_VERSION) /usr/share/fonts/truetype/lato/Lato-Regular.ttf /usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-Regular.ttf
	$(RM) $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-RegularItalic.ttf
	dh_link -plibruby$(RUBY_VERSION) /usr/share/fonts/truetype/lato/Lato-Italic.ttf /usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-RegularItalic.ttf
	$(RM) $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-Light.ttf
	dh_link -plibruby$(RUBY_VERSION) /usr/share/fonts/truetype/lato/Lato-Light.ttf /usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-Light.ttf
	$(RM) $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-LightItalic.ttf
	dh_link -plibruby$(RUBY_VERSION) /usr/share/fonts/truetype/lato/Lato-LightItalic.ttf /usr/lib/ruby/$(RUBY_API_VERSION)/rdoc/generator/template/darkfish/fonts/Lato-LightItalic.ttf
	# remove embedded SSL certificates (replaced using ca-certificates via rubygems-integration)
	$(RM) -r $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/rubygems/ssl_certs/*
	$(RM) -r $(CURDIR)/debian/tmp/usr/lib/ruby/$(RUBY_API_VERSION)/bundler/ssl_certs/*
	# ship rubygems system install directory
	mkdir -p $(CURDIR)/debian/tmp/var/lib/gems/$(RUBY_API_VERSION)
	# fix pkg-config
	# FIXME there is probably less brutal way of doing this
	sed -i -e 's/^DLDFLAGS=.*/DLDFLAGS=/' \
		$(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH)/pkgconfig/ruby-$(RUBY_VERSION).pc
	# sanity check
	debian/sanity_check

override_dh_auto_build-indep:
	$(MAKE) docs V=1

override_dh_auto_install-indep:
	$(MAKE) install-doc V=1 DESTDIR=$(CURDIR)/debian/ruby$(RUBY_VERSION)-doc
	find $(CURDIR)/debian/ruby$(RUBY_VERSION)-doc -name created.rid -delete

override_dh_install-arch:
	# install SystemTap tapfile
	mkdir -p $(CURDIR)/debian/tmp/usr/share/systemtap/tapset
	sed 's|@LIBRARY_PATH@|/usr/lib/$(DEB_HOST_MULTIARCH)/libruby-$(RUBY_VERSION).so|g' $(CURDIR)/debian/libruby.stp > $(CURDIR)/debian/tmp/usr/share/systemtap/tapset/libruby$(RUBY_VERSION)-$(DEB_HOST_MULTIARCH).stp
	dh_install

override_dh_gencontrol:
	./debian/genprovides $(CURDIR)/debian/libruby2.7/usr/lib/ruby/gems/2.7.0/specifications/default/ \
		>> debian/libruby2.7.substvars
	dh_gencontrol