Makefile for running verilog testbenches

verilog.Makefile

OUTDIR   ?= build
IPROOT   ?= ../..
IPPATT   ?= $(foreach dir,$(wildcard $(IPROOT)/*/hdl),-y$(dir))

.PHONY: setup default

default: $(OUTDIR)/$(subst .v,.vcd,$(shell find . -name "tb_*.v" -printf "%P\n"))

setup: build

build:
        rm -rf build
        ln -s -n $(shell mktemp -d /tmp/icarus-session-XXXXXX) build

$(OUTDIR)/tb_%.vvp : tb_%.v ../hdl/%.v build
        iverilog -o $@ $< $(IPPATT)

$(OUTDIR)/tb_%.vcd: $(OUTDIR)/tb_%.vvp
        vvp $< -dumpfile=$@