# -*- Makefile -*-

OBJS := $(SYSOBJS) $(EMOBJS)

DEPS := $(OBJS:%.o=%.d)

INCLUDES := -Isrc -Isrc/sys
DEFS := -D_SYSTEM3
# DEFS += -D_DEBUG_CONSOLE

EMPORTS := -s USE_SDL=2 -s USE_SDL_TTF=2
EMFLAGS := -s ENVIRONMENT=web $(EMPORTS)

#EMFLAGS += -O1 -s SAFE_HEAP=1
EMFLAGS += -Oz

EMFLAGS += -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1
EMFLAGS += -s ALLOW_MEMORY_GROWTH=1
EMFLAGS += -s NO_EXIT_RUNTIME=1

WASMFLAGS := -s WASM=1 -s "BINARYEN_TRAP_MODE='allow'"
ASMJSFLAGS := -s WASM=0

CXX = em++

CXXFLAGS = $(DEFS) $(INCLUDES) $(EMFLAGS) -MMD

LFLAGS := $(EMFLAGS)
LFLAGS += -s EXPORTED_FUNCTIONS="['_main','_ags_setAntialiasedStringMode']"
LFLAGS += -s EXTRA_EXPORTED_RUNTIME_METHODS="['getValue','getMemory','addRunDependency','removeRunDependency']"

all: out/system3.js out/system3.asm.js

out:
	mkdir out

out/system3.js: system3.bc emterpretify_whitelist out
	$(CXX) $< $(LFLAGS) $(WASMFLAGS) $(LIBS) @emterpretify_whitelist -o $@

out/system3.asm.js: system3.bc emterpretify_whitelist out
	$(CXX) $< $(LFLAGS) $(ASMJSFLAGS) $(LIBS) @emterpretify_whitelist -o $@

system3.bc: $(OBJS)
	$(CXX) $(OBJS) $(LFLAGS) $(LIBS) -o $@

emterpretify_whitelist:
	$(CXX) $(EMPORTS) -s EMTERPRETIFY=1 -s EMTERPRETIFY_ADVISE=1 system3.bc |grep EMTERPRETIFY_WHITELIST > $@

clean:
	rm -f $(OBJS) $(DEPS) system3.js system3.bc $(DEPS)