Makefile-vio2sf

# build architecture inspired by this page:
# http://make.mad-scientist.net/papers/multi-architecture-builds/

ifeq ($(notdir $(CURDIR)), cirrusretro-players)
include target-vio2sf.mk
else

TARGET:=cr-vio2sf.js

CC:=ccache emcc
LD:=emcc

OPT_LEVEL:=-Os

VIO2SF_SRCDIR=$(SRCDIR)/vio2sf-0.16
XZ_EMBEDDED_SRCDIR=$(SRCDIR)/xz-embedded

VPATH=$(SRCDIR):$(VIO2SF_SRCDIR):$(XZ_EMBEDDED_SRCDIR)
FINALDIR=$(SRCDIR)/final

#EXPORT_LIST="['_crPlayerContextSize', '_crPlayerInitialize', '_crPlayerLoadFile', '_crPlayerSetTrack', '_crPlayerGenerateStereoFrames', '_crPlayerVoicesCanBeToggled', '_crPlayerGetVoiceCount', '_crPlayerGetVoiceName', '_crPlayerSetVoiceState', '_crPlayerCleanup', '_main']"
EXPORT_LIST="['_crPlayerContextSize', '_crPlayerInitialize', '_crPlayerLoadFile', '_crPlayerSetTrack', '_crPlayerGenerateStereoFrames', '_crPlayerVoicesCanBeToggled', '_crPlayerGetVoiceCount', '_crPlayerGetVoiceName', '_crPlayerSetVoiceState', '_crPlayerCleanup']"

# VIO2SF source files, plus the Cirrus Retro glue file
VIO2SF_C_SOURCES:= \
	vio2sf_interface.c \
	corlett.c \
	vio2sf.c \
	FIFO.c \
	GPU.c \
	MMU.c \
	NDSSystem.c \
	SPU.c \
	arm_instructions.c \
	armcpu.c \
	bios.c \
	cp15.c \
	matrix.c \
	mc.c \
	thumb_instructions.c

# XZ-embedded sources
XZ_EMBEDDED_C_SOURCES:=xzdec.c \
	xz_crc32.c \
	xz_dec_lzma2.c \
	xz_dec_stream.c

# Emscripten gets nervous when C/C++ compile flags reference absolute paths;
# '-Wno-warn-absolute-paths' tells the compiler not to worry
CFLAGS:= -Wall -Wno-warn-absolute-paths $(OPT_LEVEL) -I$(SRCDIR) -I$(VIO2SF_SRCDIR) -I$(XZ_EMBEDDED_SRCDIR) -s ASSERTIONS=2

VIO2SF_C_OBJECTS:=$(patsubst %.c,%.o,$(VIO2SF_C_SOURCES))
XZ_EMBEDDED_C_OBJECTS:=$(patsubst %.c,%.o,$(XZ_EMBEDDED_C_SOURCES))
PSFLIB_C_OBJECTS:=$(patsubst %.c,%.o,$(PSFLIB_C_SOURCES))

# build rule for all C files
%.o : %.c
	$(CC) -o $@ -c $< $(CFLAGS)

$(TARGET): $(VIO2SF_CXX_OBJECTS) $(VIO2SF_C_OBJECTS) $(XZ_EMBEDDED_C_OBJECTS)
	$(LD) -o $(TARGET) $^ --memory-init-file 0 -Wall $(OPT_LEVEL) -s EXPORTED_FUNCTIONS=$(EXPORT_LIST) -s TOTAL_MEMORY=134217728 -s ASSERTIONS=2
	mkdir -p $(FINALDIR)
	cp $(TARGET)* $(FINALDIR)

endif