optlink options to reduce file size?

[q66]

== Quote from Dmitry Olshansky (dmitry.olsh at gmail.com)'s article
> On 27.07.2011 15:21, simendsjo wrote:
> > A simple hello world like dfl application takes 1.2mb. Upx does a
> > great job packing this to 200k, but I wonder if there is a way to make
> > optlink generate smaller executables?
> >
> > I couldn't find a way to get help on the numerous options in optlink,
> > and the help page at digitalmars doesn't list them either.
> I've noticed around two times smaller exes when linked with unilink. So
> if you don't like packing you may try it:
> ftp://ftp.styx.cabel.net/pub/UniLink/ulnb0319.zip
> <ftp://ftp.styx.cabel.net/pub/UniLink/>
> just make sure you configured it correctly (should be straightforward,
> there are examples)

I don't work on Windows, but I've heard optlink generates debug info and unilink
doesn't, so that might be the reason?