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mirror of https://github.com/libretro/RetroArch synced 2024-07-08 12:15:49 +00:00
RetroArch/Makefile.emscripten
2018-09-30 17:41:24 -05:00

106 lines
2.6 KiB
Makefile

TARGET := retroarch.js
EOPT = USE_ZLIB=1 # Emscripten specific options
EOPTS = $(addprefix -s $(EMPTY), $(EOPT)) # Add '-s ' to each option
PTHREAD = 0
OS = Emscripten
OBJ :=
DEFINES := -DRARCH_INTERNAL -DHAVE_MAIN -s USE_PTHREADS=$(PTHREAD)
DEFINES += -DHAVE_OPENGL -DHAVE_OPENGLES -DHAVE_OPENGLES2 -DHAVE_GLSL -DHAVE_FILTERS_BUILTIN -DHAVE_STB_FONT
HAVE_OVERLAY = 1
HAVE_CC_RESAMPLER = 1
HAVE_EGL = 1
HAVE_OPENGLES = 1
HAVE_RJPEG = 0
HAVE_RPNG = 1
HAVE_EMSCRIPTEN = 1
HAVE_RGUI = 1
HAVE_SDL = 0
HAVE_SDL2 = 0
HAVE_ZLIB = 1
WANT_ZLIB = 1
HAVE_SHADERPIPELINE = 1
HAVE_STATIC_VIDEO_FILTERS = 1
HAVE_STATIC_AUDIO_FILTERS = 1
MEMORY = 536870912
HAVE_STB_FONT = 1
PRECISE_F32 = 1
OBJDIR := obj-emscripten
ifneq ($(NATIVE_ZLIB),)
WANT_ZLIB = 0
endif
#if you compile with SDL2 flag add this Emscripten flag "-s USE_SDL=2" to LDFLAGS:
LIBS := -s USE_ZLIB=1
LDFLAGS := -L. --no-heap-copy -s USE_ZLIB=1 -s TOTAL_MEMORY=$(MEMORY) -s NO_EXIT_RUNTIME=0 -s FULL_ES2=1 -s BINARYEN_TRAP_MODE=\"clamp\" \
-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_rwebcam.js
ifneq ($(PTHREAD), 0)
LDFLAGS += -s USE_PTHREADS=$(PTHREAD) -s PTHREAD_POOL_SIZE=2
endif
ifeq ($(ASYNC), 1)
LDFLAGS += -s ASYNCIFY=$(ASYNC)
endif
ifeq ($(HAVE_SDL2), 1)
LIBS += -s USE_SDL=2
DEFINES += -DHAVE_SDL2
endif
include Makefile.common
CFLAGS += -Ideps/libz -Ideps -Ideps/stb
libretro = libretro_emscripten.bc
ifneq ($(V), 1)
Q := @
endif
ifeq ($(DEBUG), 1)
LDFLAGS += -O0 -g
CFLAGS += -O0 -g
else
LDFLAGS += -O2 -s WASM=1
# WARNING: some optimizations can break some cores (ex: LTO breaks tyrquake)
LDFLAGS += -s PRECISE_F32=$(PRECISE_F32)
ifeq ($(LTO), 1)
LDFLAGS += --llvm-lto 3
endif
CFLAGS += -O2
endif
CFLAGS += -DHAVE_RPNG -Wall -I. -Ilibretro-common/include -std=gnu99 -s USE_ZLIB=1 \
-s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_take_screenshot']"
RARCH_OBJ := $(addprefix $(OBJDIR)/,$(OBJ))
all: $(TARGET)
$(TARGET): $(RARCH_OBJ) $(libretro)
@$(if $(Q), $(shell echo echo LD $@),)
$(Q)$(LD) -o $@ $(RARCH_OBJ) $(libretro) $(LIBS) $(LDFLAGS)
$(OBJDIR)/%.o: %.c
@mkdir -p $(dir $@)
@$(if $(Q), $(shell echo echo CC $<),)
$(Q)$(CC) $(CFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
$(OBJDIR)/%.o: %.cpp
@mkdir -p $(dir $@)
@$(if $(Q), $(shell echo echo CXX $<),)
$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
clean:
rm -rf $(OBJDIR)
rm -f $(TARGET)
.PHONY: all clean