yosys/tests/simple/run-test.sh

#!/usr/bin/env bash

OPTIND=1
seed=""    # default to no seed specified
while getopts "S:" opt
do
    case "$opt" in
	S) arg="${OPTARG#"${OPTARG%%[![:space:]]*}"}" # remove leading space
	   seed="SEED=$arg" ;;
    esac
done
shift "$((OPTIND-1))"

# check for Icarus Verilog
if ! command -v iverilog > /dev/null ; then
  echo "$0: Error: Icarus Verilog 'iverilog' not found."
  exit 1
fi

exec ${MAKE:-make} -f ../tools/autotest.mk $seed *.{sv,v}