Re: Making (useful subsets of) bytecode portable between targets

It's certainly far from ideal, but for CI, what obstacles are there besides needing a runner accessible from cross compiling machine? E.g. Start the runner app on an iPhone plugged in into a USB power source and leave it there? Sent from my iPhone

On 24 Nov 2016, at 12:42 PM, Manuel M T Chakravarty wrote:

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

Manuel

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Moritz Angermann :

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On Nov 23, 2016, at 7:50 PM, Simon Marlow wrote:

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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 _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs