[libre-riscv-dev] Introduction

[Hendrik Boom]

On Mon, Jun 15, 2020 at 09:49:05PM +0100, Luke Kenneth Casson Leighton wrote:
> On Mon, Jun 15, 2020 at 9:28 PM Yehowshua <yimmanuel3 at gatech.edu> wrote:
> >
> > Also, I believe Cole had mentioned that you’re using a Mac?
> 
> ah.  right.  okay.  we're not supporting macs, and we're not going to
> do development on macs.  there are two aspects to this:
> 
> 1). when it comes to the ASIC layout, it is absolutely critical - and
> is Industry Standard Practice - to have full reproducible builds.  not
> even the username is different.  everyone doing the builds sets up
> carbon-copy machines, where you could literally do a file-system
> byte-level comparison and find absolutely everything is the same.
> 
> this is abbbsolutely essential when you are about to drop USD $5m on a
> chip tape-out... oh but the last person who checked the build used
> some totally different library and now "it doesn't work", finding the
> discrepancy results in time lost, you miss the tape-out window
> entirely, and the company loses a USD $100 million dollar deal because
> of it.
> 
> so it's actually *really serious* not to be using the exact same
> development workflow as everyone else.

Any chance the Mac might find problems the Debian doesn't?

-- hendrik