# Paths
WAMR_ROOT     := /opt/wamr
WAMRC         := /opt/wamr-wamrc/wamrc
IWASM         := /opt/wamr-iwasm/iwasm
WAMRC_LIB     := /opt/wamr-libvmlib
IWASM_LIB     := /opt/wamr-libiwasm

WASI_ROOT     := /opt/wasi-sdk
WASI_CC       := $(WASI_ROOT)/bin/clang
WASI_CFLAGS   := --target=wasm32-wasi \
		         --sysroot=$(WASI_ROOT)/share/wasi-sysroot \
		         -O0 -g -Wall

# Embedding
EMBED_CC      := gcc
EMBED_INCL    := -I$(WAMR_ROOT)/core/iwasm/include \
                 -I$(WAMR_ROOT)/core/iwasm/common \
				 -I$(WAMR_ROOT)/core/shared/platform/linux \
				 -I$(WAMR_ROOT)/core/shared/utils \
				 -I$(WAMR_ROOT)/core/shared/utils/uncommon
EMBED_SOURCES := $(WAMR_ROOT)/core/shared/utils/uncommon/bh_read_file.c
EMBED_CFLAGS  := -O0 -g -Wall $(EMBED_INCL) $(EMBED_SOURCES)
AOT_LDFLAGS   := -Wl,-rpath,$(WAMRC_LIB)
AOT_LDLIBS    := -L$(WAMRC_LIB) -lvmlib -lm
INTER_LDFLAGS := -Wl,-rpath,$(IWASM_LIB)
INTER_LDLIBS  := -L$(IWASM_LIB) -liwasm -lm

# Files
SRCS          := $(wildcard *.c)
WASMS         := $(SRCS:.c=.wasm)
AOTS          := $(WASMS:.wasm=.aot)
OBJS          := $(SRCS:.c=.o)
DEPS          := $(OBJS:.o=.d)


.PHONY: all build-wasms build-aots clean embed_host

all: build-wasms build-aots embed_host

# Compile to wasm bytecode using wasi-sdk
build-wasms: $(WASMS)

%.wasm: %.c
	$(WASI_CC) $(WASI_CFLAGS) $< -o $@

# Compile ahead-of-time module using wamrc
build-aots: $(AOTS)

%.aot: %.wasm
	$(WAMRC) -o $@ $<
	# $(WAMRC) --enable-wasi -o $@ $<

clean:
	rm -f *.wasm
	rm -f *.aot
	rm -f *.d
	rm -f *.o

# Compile to C-embedded
# embed: $(OBJS)
# 	$(EMBED_CC) $(OBJS) -o embed $(AOT_LDFLAGS) $(AOT_LDLIBS)

# %.o: %.c
# 	$(EMBED_CC) $(EMBED_CFLAGS) -o $@ $<

embed_host:
	$(EMBED_CC) $(EMBED_CFLAGS) embed/host.c -o host $(INTER_LDFLAGS) $(INTER_LDLIBS)