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)))

include $(SANDBOX_BASE_DIR)/../tools/make/gcc-host.mk

SANDBOX_PROG_NAME := $(notdir $(SANDBOX_PROG_DIR))

SANDBOX_BUILD_DIR := $(SANDBOX_BASE_DIR)/../build/sandbox
BUILD_DIR := $(SANDBOX_BUILD_DIR)/$(SANDBOX_PROG_NAME)