[Vm-dev] Cog on ARM

Boris Shingarov boris at shingarov.com
Mon Jun 1 23:31:42 UTC 2020

Thanks Eliot,

Yep, it works on the Mac (I originally tried on Linux).  I guess no-one 
seriously cares about gardening the ARM plugin on Linux.  I can see 
that, given that for what I needed it (which is, for reference) the Mac 
version served me just fine.

The good news is that simulating REPL works fine on ARM, too.  I just 
committed GDB-bgs.4.  Now, on to getting rid of the TargetAware and its 


On 5/30/20 4:19 PM, Eliot Miranda wrote:
> Hi Boris,
>> On May 30, 2020, at 1:11 PM, Boris Shingarov <boris at shingarov.com> wrote:
>> To build the latest Cog VM with the ARM simulation plugins doesn't 
>> seem to work for me.  I thought maybe I had dirty state, so I started 
>> from a clean clone (this is the current tip of the Cog branch, 60973ef):
>> $ git clonegit at github.com:OpenSmalltalk/opensmalltalk-vm.git
>> $ cd opensmalltalk-vm
>> $ cd build.linux64x64/gdbarm32
>> $ ./conf.COG
>> checking build system type... x86_64-pc-linux-gnu
>> checking host system type... x86_64-pc-linux-gnu
>> checking target system type... arm-unknown-linux-gnu
>> checking for gcc... gcc
>> checking whether the C compiler works... yes
>> checking for C compiler default output file name... a.out
>> ...
>> checking for working strncmp... yes
>> configure: creating ./config.status
>> config.status: creating Makefile
>> config.status: error: cannot find input file: `testsuite/Makefile.in'
>> $ _
>> Is this the supposed way?  Has anyone built ARM recently?
> Hmmm.  I build regularly but on MacOS.  I’ve not had occasion to try 
> win6; or linux64.  Will try to have a look at this today.
>> I build a fair amount of ARM code somewhat regularly on this machine, 
>> therefore I doubt this is some basic dysfunctionality of my dev 
>> environment.
>> My first reflex was to go and just hack into the problem, but if it 
>> doesn't even go this far out of the box, then I'd expect I am somehow 
>> wrong and I thought I'd ask before digging myself too deep into the 
>> wrong direction.  Also I've been having doubts, if these configure 
>> scripts were broken, people would be complaining?  does anyone do 
>> ARM?  (and by that I mean "develop the VM" for which you need the 
>> simulator)  Why isn't CI complaining?  does CI only cover Intel?  
>> does CI only cover production-packaging?
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