ROOT_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
BUILD_DIR ?= $(ROOT_DIR)/../build
BUILD_CMD := $(BUILD_DIR)/$(PROGRAM_PREFIX)

YOSYS ?= $(BUILD_CMD)yosys
ABC   ?= $(BUILD_CMD)yosys-abc
YOSYS_FILTERLIB ?= $(BUILD_CMD)yosys-filterlib
YOSYS_WITNESS ?= @$(BUILD_CMD)yosys-witness
YOSYS_CONFIG ?= $(BUILD_CMD)yosys-config
YOSYS_SMTBMC ?= $(BUILD_CMD)yosys-smtbmc

export YOSYS
export YOSYS_CONFIG