Makefile.common

######################################################################
# Common settings and defaults
######################################################################

# Reset flags (DEFINES not reset as used in Makefile)
INCLUDES    :=
OBJS_DEPS   :=
OBJS        :=
DETECT_OBJS :=
MODULES     :=
$(foreach MODULE,$(MODULES),$(MODULE_OBJS-$(MODULE)) :=)

# Defaults
USE_ZLIB       ?= 1
USE_TREMOR     ?= 0
USE_VORBIS     ?= 1
USE_FLAC       ?= 1
USE_MAD        ?= 1
USE_FAAD       ?= 1
USE_PNG        ?= 1
USE_JPEG       ?= 1
USE_THEORADEC  ?= 1
USE_FREETYPE2  ?= 1
HAVE_MT32EMU   ?= 1
USE_FLUIDSYNTH ?= 1
USE_LUA        ?= 1
USE_LIBCO      ?= 1
LOAD_RULES_MK   = 1
USE_TINYGL     ?= 1
USE_BINK       ?= 1
POSIX          ?= 1
NO_HIGH_DEF    ?= 0
NO_WIP         ?= 1
USE_LIBCO      ?= 1
ENABLE_VKEYBD   = 1
USE_CLOUD      ?= 0
STATIC_LINKING ?= 0
LITE           ?= 0

# Paths
SCUMMVM_PATH         := $(ROOT_PATH)/scummvm
CORE_PATH            := $(ROOT_PATH)/src
DEPS_PATH            := $(ROOT_PATH)/libretro-deps
LIBRETRO_COMM_PATH   := $(ROOT_PATH)/libretro-common
srcdir               := $(SCUMMVM_PATH)
VPATH                := $(SCUMMVM_PATH)

# Core version shown in frontend
GIT_TAG := $(shell cd $(ROOT_PATH) 2>/dev/null && git describe --tags 2>/dev/null)
ifeq ($(GIT_TAG),)
   GIT_HASH := $(shell cd $(ROOT_PATH) 2>/dev/null && git rev-parse --short HEAD 2>/dev/null)
   ifneq ($(GIT_HASH),)
      DEFINES += -DGIT_HASH=\"$(GIT_HASH)\"
   endif
else
   DEFINES += -DGIT_TAG=\"$(GIT_TAG)\"
endif

# Nice name shown in frontend
CORE_NAME = "ScummVM"
# Pipe separated allowed file extensions that core can handle
CORE_EXTENSIONS = "scummvm"

INCLUDES += -I$(SCUMMVM_PATH)
DEFINES  += -D__LIBRETRO__ -DNONSTANDARD_PORT -DUSE_RGB_COLOR -DUSE_OSD -DDISABLE_TEXT_CONSOLE -DFRONTEND_SUPPORTS_RGB565 -DUSE_TRANSLATION -DDETECTION_STATIC -DHAVE_CONFIG_H -DUSE_BINK -DUSE_LUA -DUSE_TINYGL -DENABLE_VKEYBD
DEFINES  += -DCORE_NAME=\"$(CORE_NAME)\" -DCORE_EXTENSIONS=\"$(CORE_EXTENSIONS)\"

ifeq ($(USE_LIBCO), 1)
   DEFINES += -DUSE_LIBCO
else
   LDFLAGS += -lpthread
endif

ifeq ($(TARGET_64BIT), 1)
   DEFINES += -DSIZEOF_SIZE_T=8 -DSCUMM_64BITS
else
   DEFINES += -DSIZEOF_SIZE_T=4
endif

######################################################################
# Libretro settings
######################################################################

INCLUDES     += -I$(ROOT_PATH)/include
MODULE_PATHS += $(CORE_PATH)

LIBRETRO_OBJS := $(CORE_PATH)/libretro_os.o \
	$(CORE_PATH)/libretro-fs.o \
	$(CORE_PATH)/libretro-fs-factory.o \
	$(CORE_PATH)/libretro.o

ifneq ($(USE_LIBCO), 1)
LIBRETRO_OBJS += $(CORE_PATH)/retro_emu_thread.o
endif

OBJS += $(LIBRETRO_OBJS)

######################################################################
# External dependencies settings
######################################################################

include $(ROOT_PATH)/Makefile.deps

######################################################################
# Module settings
######################################################################

INCLUDES    += -I$(SCUMMVM_PATH)/engines -I$(SCUMMVM_PATH)/backends/vkeybd

# Base modules
BASE_MODULES := base
MODULES += $(BASE_MODULES)

# script.mri head
ifeq ($(STATIC_LINKING),1)
   $(shell printf "CREATE $(TARGET)\n" > $(ROOT_PATH)/script.mri)
endif

# Engine modules
# Following script
# - generates configuration engines files (build/config.mk.engines, engines/engines.mk, engines/plugins_table.h, engines/detection_table.h) from actual source in $(SCUMMVM_PATH).
# or (if static linking is required)
# - generates config.mk.engines.lite - static file with a reduced set of engines for minimal builds - from lite_engines.list
# - generates script.mri engines part

ifeq (,$(filter clean datafiles coreinfo,$(MAKECMDGOALS)))
$(info Configuring ScummVM engines...)
ifneq ($(shell cd $(ROOT_PATH); ./configure_engines.sh $(NO_HIGH_DEF) $(NO_WIP) $(STATIC_LINKING) $(LITE)),0)
   $(error Configuring ScummVM engines failed)
endif
endif

ifeq ($(LITE), 1)
   -include $(ROOT_PATH)/config.mk.engines.lite
else
   -include $(SCUMMVM_PATH)/config.mk.engines
endif

-include $(SCUMMVM_PATH)/engines/engines.mk

# Shared modules
SHARED_MODULES := \
	engines \
	gui \
	backends \
	video \
	image \
	graphics \
	audio \
	math \
	common

ifeq ($(HAVE_MT32EMU),1)
   SHARED_MODULES += audio/softsynth/mt32
   INCLUDES    += -I$(SCUMMVM_PATH)/audio/softsynth/mt32/sha1
   DEFINES += -DUSE_MT32EMU
endif

MODULES += $(SHARED_MODULES)

# script.mri tail
ifeq ($(STATIC_LINKING),1)
   $(shell printf "$(addprefix ADDLIB libtemp/lib, $(addsuffix .a\n,$(notdir $(BASE_MODULES) $(SHARED_MODULES))))" >> $(ROOT_PATH)/script.mri)
   $(shell printf "ADDLIB libtemp/libdeps.a\n" >> $(ROOT_PATH)/script.mri)
   $(shell printf "ADDLIB libtemp/libdetect.a\n" >> $(ROOT_PATH)/script.mri)
   $(shell printf "$(addprefix ADDMOD libtemp/, $(addsuffix \n,$(notdir $(LIBRETRO_OBJS))))" >> $(ROOT_PATH)/script.mri)
   $(shell printf "SAVE\n" >> $(ROOT_PATH)/script.mri)
   $(shell printf "END\n" >> $(ROOT_PATH)/script.mri)
   $(shell sed -i.bak -e "s/^ //g" $(ROOT_PATH)/script.mri;rm -f $(ROOT_PATH)/script.mri.bak)
endif

######################################################################
# Rules
######################################################################

core: $(TARGET)

datafiles: scummvm.zip

coreinfo: $(TARGET_NAME)_libretro.info

all: $(TARGET) scummvm.zip $(TARGET_NAME)_libretro.info

#bundle_files
scummvm.zip: $(SCUMMVM_PATH)/dists/scummvm.rc
	@echo Preparing $@
	@cd $(ROOT_PATH); ./bundle_datafiles.sh bundle $(TARGET_NAME)

$(TARGET_NAME)_libretro.info: $(SCUMMVM_PATH)/dists/scummvm.rc
	@echo Preparing $@
	@cd $(ROOT_PATH); ./bundle_datafiles.sh info $(TARGET_NAME) $(CORE_NAME) $(CORE_EXTENSIONS)

.PHONY: all core datafiles coreinfo