SOURCES := $(wildcard **.sv **.cpp)
COLLATERAL := $(wildcard **.hex **.svh)

OPTS ?=

sim: build/Vtop
	$<
.PHONY: sim

build/Vtop: $(SOURCES) $(COLLATERAL)
	@mkdir -p build
	verilator +1800-2017ext+sv -Wall -Wno-BLKSEQ -O3 $(OPTS) --Mdir build --trace --cc --build --exe --top-module top $(SOURCES)

clean:
	rm -rf build
.PHONY: clean