.PHONY: build install clean
SHELL := /bin/bash
BUILD_DIR := $(CURDIR)/build
LUA_DIR = $(INST_LUADIR)/fastnn
CUDA_BASE := /usr/local/cuda-6.5

INC_PATH := -I $(LUA_BINDIR)/../include/nerv
CUDA_INCLUDE := -I $(CUDA_BASE)/include/
LIB_PATH := $(LUA_BINDIR)/../lib

OBJ_DIR := $(BUILD_DIR)/objs
SUBDIR := lib io threads device


OBJS := init.o lib/modelsync.o lib/ModelSync.o io/example.o io/Example.o device/device.o device/Device.o 
LIBS := $(INST_LIBDIR)/libfastnn.so
LUA_LIBS := init.lua lib/modelsync.lua io/example.lua device/device.lua
INCLUDE :=  -I $(LUA_INCDIR) $(INC_PATH) $(CUDA_INCLUDE) -DLUA_USE_APICHECK -DUSE_PTHREAD_THREADS
LDFLAGS := -L$(CUDA_BASE)/lib64/ -Wl,-rpath=$(CUDA_BASE)/lib64/ -lcudart -lcublas


OBJS := $(addprefix $(OBJ_DIR)/,$(OBJS))
OBJ_SUBDIR := $(addprefix $(OBJ_DIR)/,$(SUBDIR))
LUA_SUBDIR := $(addprefix $(LUA_DIR)/,$(SUBDIR))
LUA_LIBS := $(addprefix $(LUA_DIR)/,$(LUA_LIBS))

CFLAGS := -Wall -Wextra -g -O0 

build: $(OBJ_DIR) $(OBJ_SUBDIR) $(OBJS)
install: $(LIBS) $(LUA_DIR) $(LUA_SUBDIR) $(LUA_LIBS)

#$(SUBMODULE): ECHO
#	cd threads; $(LUA_BINDIR)/luarocks make

$(OBJ_DIR) $(LUA_DIR) $(OBJ_SUBDIR) $(LUA_SUBDIR):
	-mkdir -p $@

$(LUA_DIR)/%.lua: %.lua 
	cp $< $@  

$(OBJ_DIR)/io/Example.o: io/Example.cpp
	gcc -c -o $@ $< $(INCLUDE) -fPIC $(CFLAGS)
$(OBJ_DIR)/device/Device.o: device/Device.cpp
	gcc -c -o $@ $< $(INCLUDE) -fPIC $(CFLAGS)

$(OBJ_DIR)/%.o: %.c $(patsubst /%.o,/%.c,$@)
	gcc -c -o $@ $< $(INCLUDE) -fPIC $(CFLAGS)

$(LIBS): $(OBJS)
	gcc -shared -o $@ $^ $(LDFLAGS)  -Wl,-rpath=$(LIB_PATH) -L$(LIB_PATH) -lthreads -lnervcore -lluaT -lpthread -lstdc++

ECHO:
	@echo $(SUBMODULE)

clean:
	-rm -rf $(OBJ_DIR)