#!/usr/bin/make -f
# -*- makefile -*-
# This file was originally written by Joey Hess and Craig Small.
# As a special exception, when this file is copied by dh-make into a
# dh-make output file, you may use that output file without restriction.
# This special exception was added by Craig Small in version 0.37 of dh-make.
# Default/i386/amd64 options from sdlmame rules file by Cesare Falco.

#export DH_VERBOSE = 1

DEB_BUILD_ARCH ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)
DEB_HOST_ARCH_BITS ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_BITS)

# Define DEB_HOST_MULTIARCH for QT prefix handling
DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)

# add c++ hardening options (upstream makefile doesn't use CPPFLAGS)
export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND = $(shell dpkg-buildflags --get CPPFLAGS)

# Sacrifice linking speed to avoid using so much memory
export DEB_LDFLAGS_MAINT_APPEND = \
    -Wl,--no-keep-memory,--reduce-memory-overheads,--hash-size=31

# taken verbatim from debian policy
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
MAKEFLAGS += -j$(NUMJOBS)
endif

# Override relevant make variables in original makefile
DEB_OPTS = \
    NOWERROR=1 \
    OSD=sdl \
    DEBUG= \
    TARGETOS=linux \
    DISTRO=debian-stable \
    FORCE_DRC_C_BACKEND=1 \
    PTR64= \
    BIGENDIAN= \
    NOASM=1 \
    QT_HOME=/usr/lib/$(DEB_HOST_MULTIARCH)/qt5/ \
    USE_SYSTEM_LIB_EXPAT=1 \
    USE_SYSTEM_LIB_ZLIB=1 \
    USE_SYSTEM_LIB_JPEG=1 \
    USE_SYSTEM_LIB_FLAC=1 \
    USE_SYSTEM_LIB_LUA=lua5.3:/usr/include/lua5.3 \
    USE_SYSTEM_LIB_SQLITE3=1 \
    USE_SYSTEM_LIB_PORTMIDI=1 \
    USE_SYSTEM_LIB_PORTAUDIO=1 \
    USE_SYSTEM_LIB_UTF8PROC=1 \
    USE_SYSTEM_LIB_GLM=1 \
    USE_SYSTEM_LIB_RAPIDJSON=1 \
    USE_SYSTEM_LIB_PUGIXML=1 \
    VERBOSE=1

# Set specific arch options:
# Use Gold linker which is less greedy for memory
ifeq ($(DEB_HOST_ARCH),amd64)
DEB_OPTS += \
    FORCE_DRC_C_BACKEND= \
    PTR64=1 \
    NOASM=
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

ifeq ($(DEB_HOST_ARCH),arm64)
DEB_OPTS += \
    ARCHOPTS="-mabi=lp64 -fPIC"
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

ifeq ($(DEB_HOST_ARCH),i386)
DEB_OPTS += \
    OPTIMIZE=2 \
    FORCE_DRC_C_BACKEND= \
    NOASM=
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

ifeq ($(DEB_HOST_ARCH),ia64)
DEB_OPTS += \
    PTR64=1
endif

ifeq ($(DEB_HOST_ARCH),mips)
DEB_OPTS += \
    ARCHOPTS=-Umips \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),mipsel)
DEB_OPTS += \
    ARCHOPTS=-Umips
endif

ifeq ($(DEB_HOST_ARCH),mips64el)
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

ifeq ($(DEB_HOST_ARCH),powerpc)
DEB_OPTS += \
    ARCHOPTS=-Upowerpc \
    NOASM= \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),ppc64)
DEB_OPTS += \
    PTR64=1 \
    NOASM= \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),ppc64el)
DEB_OPTS += \
    PTR64=1 \
    NOASM=
endif

ifeq ($(DEB_HOST_ARCH),s390)
DEB_OPTS += \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),s390x)
DEB_OPTS += \
    PTR64=1 \
    BIGENDIAN=1
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

ifeq ($(DEB_HOST_ARCH),sparc)
DEB_OPTS += \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),sparc64)
DEB_OPTS += \
    PTR64=1 \
    BIGENDIAN=1
endif

ifeq ($(DEB_HOST_ARCH),x32)
DEB_OPTS += \
    FORCE_DRC_C_BACKEND= \
    NOASM=
DEB_LDFLAGS_MAINT_APPEND = "-fuse-ld=gold"
endif

# kFreeBSD architectures
ifeq ($(DEB_HOST_ARCH),kfreebsd-amd64)
DEB_OPTS += \
    TARGETOS=freebsd \
    FORCE_DRC_C_BACKEND= \
    PTR64=1 \
    NOASM= \
    USE_SYSTEM_LIB_PORTMIDI=
export DEB_LDFLAGS_MAINT_APPEND = -ldl
endif

ifeq ($(DEB_HOST_ARCH),kfreebsd-i386)
DEB_OPTS += \
    TARGETOS=freebsd \
    FORCE_DRC_C_BACKEND= \
    NOASM= \
    USE_SYSTEM_LIB_PORTMIDI=
export DEB_LDFLAGS_MAINT_APPEND = -ldl
endif

# GNU/Hurd architecture
ifeq ($(DEB_HOST_ARCH),hurd-i386)
DEB_OPTS += \
    TARGETOS=gnu \
    FORCE_DRC_C_BACKEND= \
    NOASM= \
    USE_SYSTEM_LIB_PORTMIDI= \
    NO_USE_MIDI=1
endif

DEB_MAME_OPTS = \
    SDL_INI_PATH=/etc/mame \
    FULLNAME=mame \
    TARGET=mame \
    SUBTARGET=mame \
    TOOLS=1

ifndef DEBUG
# Disable -g entirely
CFLAGS := $(CFLAGS:-g=-g0)
endif

%:
	dh $@

override_dh_auto_build-arch:
	$(MAKE) $(DEB_OPTS) $(DEB_MAME_OPTS)
	-mv mame64 mame #FIXME
	$(CURDIR)/mame -createconfig
	mv mame.ini default.mame.ini
	mv plugin.ini default.plugin.ini
	mv ui.ini default.ui.ini

override_dh_auto_build-indep:
	$(MAKE) -C docs singlehtml

override_dh_auto_test-arch:
	# Run MAME's internal validation tests
	-$(CURDIR)/mame -validate

override_dh_install:
	dh_install --exclude=dir.txt \
		   --exclude=LICENSE \
		   --exclude=README.md

override_dh_missing:
	dh_missing --fail-missing

override_dh_fixperms-arch:
	dh_fixperms
	find debian/mame/etc/mame -type f -execdir chmod 644 {} \;

override_dh_fixperms-indep:
	dh_fixperms
	find debian/mame-data/usr/share/games/mame/artwork -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/bgfx -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/ctrlr -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/fonts -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/hash -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/keymaps -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/language -type f -name "*.po" -delete
	find debian/mame-data/usr/share/games/mame/language -type f -execdir chmod 644 {} \;
	find debian/mame-data/usr/share/games/mame/plugins -type f -execdir chmod 644 {} \;