#!/usr/bin/make -f
#
# Robert Jordens <jordens@debian.org>
# © 2019, IOhannes m zmölnig <umlaeute@debian.org>
# © 2020, Olivier Humbert <trebmuh@tuxfamily.org>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.

export DH_VERBOSE = 1
export DEB_BUILD_MAINT_OPTIONS = hardening=+all

include /usr/share/dpkg/pkg-info.mk
include /usr/share/dpkg/buildflags.mk
BUILD_DATE:=$(shell date -u -d "@$(SOURCE_DATE_EPOCH)" +"%F")

# Ardour uses some c++11 features requiring atomic_load_8 and
# probably more, so we need to link with libatomic on
# armel, powerpc, powerpcspe, m68k, mips, mipsel, sh4, ...
# see also:
# - https://gcc.gnu.org/wiki/Atomic
# - https://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary
# - packaging for 'clasp', 'juce',...
# link with libatomic on architectures without built-in atomic
ifneq ($(strip $(filter $(DEB_HOST_ARCH), armel powerpc powerpcspe m68k mips mipsel sh4 riscv64)),)
        LDFLAGS += -latomic
endif

ifeq ($(DEB_HOST_ARCH), mips64el)
        CXXFLAGS += -mxgot
endif

ifneq (,$(filter $(DEB_HOST_ARCH), mipsel sh4))
        CXXFLAGS += -g1
endif

########### WAF options ############
waf-light = python3 $(CURDIR)/debian/waf/waf-light
waf-configure-options = \
	--freedesktop \
	--configdir=/etc/ \
	--noconfirm \
	--prefix=/usr/ \
	--libjack=weak \
	--no-phone-home \
	--use-external-libs \
	--optimize \
	--cxx11 \
	--ptformat \
	--lv2dir=/usr/lib/lv2 \
	$(empty)


DIST_TARGET = none
ifneq (,$(findstring i386,$(DEB_BUILD_ARCH)))
	DIST_TARGET = i686
endif
ifneq (,$(findstring amd64,$(DEB_BUILD_ARCH)))
	DIST_TARGET = x86_64
endif

BACKENDS = jack,dummy
ifneq (,$(findstring linux,$(DEB_HOST_ARCH_OS)))
# ALSA Backend is only available on Linux
	BACKENDS = jack,alsa,dummy,pulseaudio
else
	waf-configure-options += \
		--no-fpu-optimization \
		$(empty)
endif

ARDOUR_LIBRARY_PATH := /usr/lib/ardour8/

waf-configure-options += \
	--with-backends=$(BACKENDS) \
	--dist-target=$(DIST_TARGET) \
	$(empty)

DEB_WAF_INVOKE = \
	CPPFLAGS="$(CPPFLAGS)" \
	CFLAGS="$(CFLAGS)" \
	CXXFLAGS="$(CXXFLAGS)" \
	LDFLAGS="$(LDFLAGS) -Wl,--as-needed" \
	$(waf-light) -v --destdir=$(CURDIR)/debian/tmp

deb_revision := libs/ardour/revision.cc
waf_extras := debian/waf/waflib/extras/autowaf.py debian/waf/waflib/extras/misc.py

########### build overrides options ############
%:
	dh $@

execute_before_dh_auto_build:
	@echo "blhc: ignore-line-regexp: ^\[[ 0-9]+/[ 0-9]+\] Compiling .*"

override_dh_auto_build: genfiles
	$(DEB_WAF_INVOKE) configure $(waf-configure-options)
	$(DEB_WAF_INVOKE) build i18n_mo

override_dh_auto_install: override_dh_auto_build manpages genfiles
	$(DEB_WAF_INVOKE) install
	for res in 16 22 32 48; do \
		mkdir -p $(CURDIR)/debian/ardour/usr/share/icons/hicolor/$${res}x$${res}/mimetypes; \
		cp $(CURDIR)/gtk2_ardour/icons/application-x-ardour_$${res}px.png \
			$(CURDIR)/debian/ardour/usr/share/icons/hicolor/$${res}x$${res}/mimetypes/application-x-ardour.png ; \
	done

## ardour includes a couple of private lib*.so files, which make
## dh_makeshlibs emit a useless call to `ldconfig` in the postinst script.
## since we don't have any public libraries, we just suppress that call.
override_dh_makeshlibs:
	dh_makeshlibs --no-scripts
override_dh_shlibdeps:
	dh_shlibdeps -- -l$(CURDIR)/debian/ardour/$(ARDOUR_LIBRARY_PATH)

execute_before_dh_clean: manpageclean
	find . -name "*.pyc" -delete || true
	find . -name "*.mo" -delete || true

########### build intermediates ############
.PHONY: genfiles
genfiles: $(deb_revision) $(waf_extras)

$(deb_revision):
	echo '#include "ardour/revision.h"' > $@
	echo "namespace ARDOUR { const char* revision = \"$(subst +,~,$(DEB_VERSION_UPSTREAM_REVISION))\"; const char* date = \"$(BUILD_DATE)\"; }" >> $@

debian/waf/waflib/extras/%: tools/%
	cp $< $@

MANPAGES = ardour8-copy-mixer.1 \
	ardour8-export.1 \
	ardour8-new_empty_session.1 \
	ardour8-new_session.1 \
	ardour8-lua.1 \
	$(empty)
.PHONY: manpages manpageclean
$(MANPAGES): debian/ardour-utils.1
	cp $^ $@
manpages: $(MANPAGES)
manpageclean:
	rm -f $(MANPAGES)

################ d/copyright helper ##############
DEB_COPYRIGHT_CHECK_IGNORE_REGEX = \
        debian/.*|.*\.ico|.*\.icns|.*\.png|.*\.xcf|.*\.wav|.*\.flac|.*\.ogg|.*\.touchosc|.*\.tosc|.*\.pdf|.*\.woff
# licensecheck v1
.PHONY: licensecheck
licensecheck:
	LANG=C.UTF-8 licensecheck \
		-i "^($(DEB_COPYRIGHT_CHECK_IGNORE_REGEX))$$" \
		--check '.*' --recursive --deb-machine --lines 0 * \
		> debian/copyright_newhints
	cmp debian/copyright_hints debian/copyright_newhints \
		&& rm debian/copyright_newhints