RetroArch/Makefile.emscripten

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TARGET := retroarch.js
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EOPT = USE_ZLIB=1 USE_SDL=2 # Emscripten specific options
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EOPTS = $(addprefix -s $(EMPTY), $(EOPT)) # Add '-s ' to each option
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PTHREAD = 0
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OS = Emscripten
OBJ :=
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DEFINES := -DRARCH_INTERNAL -DHAVE_OVERLAY -DHAVE_MAIN -s USE_PTHREADS=$(PTHREAD)
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DEFINES += -DHAVE_OPENGL -DHAVE_OPENGLES -DHAVE_OPENGLES2 -DHAVE_EGL -DHAVE_OVERLAY -DHAVE_GLSL -DHAVE_FILTERS_BUILTIN
HAVE_CC_RESAMPLER = 1
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HAVE_EGL = 1
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HAVE_OPENGLES = 1
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HAVE_RJPEG = 0
HAVE_RPNG = 1
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HAVE_EMSCRIPTEN = 1
HAVE_RGUI = 1
HAVE_SDL = 0
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HAVE_SDL2 = 1
HAVE_ZLIB = 1
HAVE_FBO = 1
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WANT_ZLIB = 1
MEMORY = 536870912
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# XXX: setting this to 1/2 currently crashes Firefox nightly
PRECISE_F32 = 2
ifneq ($(NATIVE_ZLIB),)
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WANT_ZLIB = 0
endif
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ifeq ($(HAVE_SDL2), 1)
DEFINES += -DHAVE_SDL2
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endif
#if you compile with SDL2 flag add this Emscripten flag "-s USE_SDL=2" to LDFLAGS:
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LIBS := -s USE_SDL=2 -s USE_ZLIB=1
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LDFLAGS := -L. --no-heap-copy -s USE_ZLIB=1 -s TOTAL_MEMORY=$(MEMORY) \
-s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_load_state', '_cmd_take_screenshot']" \
--js-library emscripten/library_rwebaudio.js \
--js-library emscripten/library_rwebinput.js \
--js-library emscripten/library_rwebcam.js
ifneq ($(PTHREAD), 0)
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LDFLAGS += -s USE_PTHREADS=$(PTHREAD) -s PTHREAD_POOL_SIZE=2
endif
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ifeq ($(ASYNC), 1)
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LDFLAGS += -s ASYNCIFY=$(ASYNC)
endif
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include Makefile.common
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OBJ += gfx/video_filters/2xsai.o
OBJ += gfx/video_filters/super2xsai.o
OBJ += gfx/video_filters/supereagle.o
OBJ += gfx/video_filters/2xbr.o
OBJ += gfx/video_filters/darken.o
OBJ += gfx/video_filters/epx.o
OBJ += gfx/video_filters/scale2x.o
OBJ += gfx/video_filters/blargg_ntsc_snes.o
OBJ += gfx/video_filters/lq2x.o
OBJ += gfx/video_filters/phosphor2x.o
OBJ += libretro-common/audio/dsp_filters/echo.o
OBJ += libretro-common/audio/dsp_filters/eq.o
OBJ += libretro-common/audio/dsp_filters/chorus.o
OBJ += libretro-common/audio/dsp_filters/iir.o
OBJ += libretro-common/audio/dsp_filters/panning.o
OBJ += libretro-common/audio/dsp_filters/phaser.o
OBJ += libretro-common/audio/dsp_filters/reverb.o
OBJ += libretro-common/audio/dsp_filters/wahwah.o
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CFLAGS += -Ideps/zlib/
libretro = libretro_emscripten.bc
ifneq ($(V), 1)
Q := @
endif
ifeq ($(DEBUG), 1)
LDFLAGS += -O0 -g
CFLAGS += -O0 -g
else
LDFLAGS += -O2
# WARNING: some optimizations can break some cores (ex: LTO breaks tyrquake)
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LDFLAGS += -s PRECISE_F32=$(PRECISE_F32)
ifeq ($(LTO), 1)
LDFLAGS += --llvm-lto 3
endif
CFLAGS += -O2
endif
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CFLAGS += -DHAVE_RPNG -Wall -Wno-unused-result -Wno-unused-variable -I. -Ilibretro-common/include -std=gnu99 -s USE_ZLIB=1 \
-s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_take_screenshot']"
all: $(TARGET)
$(TARGET): $(OBJ)
@$(if $(Q), $(shell echo echo LD $@),)
$(Q)$(LD) -o $@ $(OBJ) $(libretro) $(LIBS) $(LDFLAGS)
%.o: %.c
@$(if $(Q), $(shell echo echo CC $<),)
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$(Q)$(CC) $(CFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
%.o: %.cpp
@$(if $(Q), $(shell echo echo CXX $<),)
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$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
clean:
rm -f *.o
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rm -f deps/zlib/*.o
rm -f frontend/*.o
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rm -f menu/*.o
rm -f menu/disp/*.o
rm -f audio/*.o
rm -f compat/*.o
rm -f compat/rxml/*.o
rm -f conf/*.o
rm -f gfx/scaler/*.o
rm -f gfx/*.o
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rm -f gfx/d3d/*.o
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rm -f gfx/drivers_context/*.o
rm -f gfx/math/*.o
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rm -f gfx/drivers_font/*.o
rm -f gfx/drivers_font_renderer/*.o
rm -f gfx/py_state/*.o
rm -f gfx/rpng/*.o
rm -f gfx/glsym/*.o
rm -f record/*.o
rm -f input/*.o
rm -f tools/*.o
rm -f libretro-common/*/*.o
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rm -f $(TARGET)
rm -f *.d
.PHONY: all clean