[Simh] Recent build crashes on OSX

[Paul Koning]

> On Feb 17, 2016, at 2:53 PM, Timothe Litt <litt at ieee.org> wrote:
> 
> On 17-Feb-16 14:48, Michael Huff wrote:
>> I grabbed simh_master.zip from github yesterday and compiled it on OSX
>> and in a virtualbox instance of Linux Mint 17. OSX is the native OS,
>> Linux is in a VM.
>> 
>> I have a 43BSD machine accessible to both on a shared drive. It will
>> boot normally when I run vax780 inside of the Linux VM, but  when I
>> run the vax780 binary I compiled in OSX it crashes.
>> 
> If I had to guess, it would be that the shared drive is not presenting
> the same data to both environments.
> 
> Perhaps it's treating the binary file as text and adding <CR><LF>s -- or
> some such.
> 
> I'd checksum the file from both sides before assuming it's a SimH issue.

That is a good test, certainly.  But OSX is Unix, so it shouldn't suffer from the sort of Windows-style misbehavior you mentioned.

I wonder if it might be a compiler bug.  It would be instructive to download gcc and use that to build the OSX based SIMH, to see if it behaves differently.

	paul