Making (useful subsets of) bytecode portable between targets

[Manuel M T Chakravarty]

Sorry, but I don’t think running on the device is practical. How do you want to do CI, for example?

Manuel

> Moritz Angermann <moritz at lichtzwerge.de>:
> 
> 
>> On Nov 23, 2016, at 7:50 PM, Simon Marlow <marlowsd at gmail.com> wrote:
>> 
>> […]
>> 
>> My question would be: are you *sure* you can't run target code at compile time?  Not even with an iphone simulator?
> 
> This should be possible. However for proper development one would need to run on the
> device (iPhone, iPad, …) for armv7 or arm64, as the Simulator is i386 or x86_64.
> 
> There is a bit of additional engineering required here to get the shipping of
> code from ghc to the runner on the target required (e.g. via network).  As executing
> and controlling applications on the actual hardware is limited, I guess a custom
> ghc-runner application would have to be manually started on the device, which could
> trivially be discovered using bonjour/zeroconf (or just giving ghc the host:port information).
> 
> In general though, the runner does not have to obey all the restrictions apple puts
> onto app-store distributed apps, as I expect that everyone could build and install
> the runner themselves when intending to do iOS development with ghc.
> 
> cheers,
> moritz
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