THIS_FILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
SANDBOX_PROG_MAKEFILE_PATH := $(abspath $(firstword $(MAKEFILE_LIST)))
SANDBOX_BASE_DIR := $(patsubst %/,%,$(dir $(THIS_FILE_PATH)))
SANDBOX_PROG_DIR := $(patsubst %/,%,$(dir $(SANDBOX_PROG_MAKEFILE_PATH)))
BUILD_DIR := $(SANDBOX_BASE_DIR)/../build/sandbox

include $(SANDBOX_BASE_DIR)/../tools/make/gcc-host.mk
EXEC_NAME := sandbox
DIR_LIST := memblock vm base
INCLUDE_DIRS := $(foreach dir,$(DIR_LIST),-I$(dir)/include)
SRC := $(foreach dir,$(DIR_LIST),$(wildcard $(dir)/*.c))
OBJ := $(addprefix $(BUILD_DIR)/,$(SRC:.c=.o))

CFLAGS := $(INCLUDE_DIRS) -g

all: $(BUILD_DIR)/$(EXEC_NAME)
	@for prog in $(SANDBOX_DIR_LIST); do \
		$(MAKE) -C $$prog; \
	done

$(BUILD_DIR)/$(EXEC_NAME): $(OBJ)
	@mkdir -p $(@D)

	@printf "    \033[1;36mHOSTLD\033[0m \033[1mbuild/sandbox/\033[35m$(EXEC_NAME)\n"
	@$(CC) $^ -o $@ $(CFLAGS) $(LDFLAGS)

$(BUILD_DIR)/%.o: %.c
	@printf "    \033[1;32mHOSTCC\033[0m \033[35msandbox\033[0m/$<\n"
	@mkdir -p $(@D)

	@$(CC) $< -o $@ -c $(CFLAGS)

.PHONY: all