[ -d rc/"$1".cfg ] || {
    echo No rc/"$1".cfg found >&2
    exit 1
}
rm -f rc/cfg
ln -s $1.cfg rc/cfg
redo-ifchange cmd/godlighty/*.go *.go go.* rc/*.go rc/mime/* rc/cfg/*.go
${GO:-go} build -o $3 $GO_FLAGS -ldflags=-s ./cmd/godlighty