Hi all, I'm interested in implementing a general solution for TH during cross-compilation, which if my naive lack-of-understanding is correct will broadly involve the following three tasks:
1. Make the generation of byte code, or at least the subset needed for useful TH use, target-independent 2. Teach the external-interpreter to launch a build-native iserv when cross-compiling 3. Teach cabal to compile dependencies and modules for the build and target when cross-compiling and TH is used Of course, due to the generality of TH there will be code you can write that would be different in this approach from what you would get with a fully native compilation (e.g. due to GHC conditional compilation in the TH functions or FFI that does runtime host introspection), but since requiring a target device at build time is in many cases impractical (do you want to hook up an iPhone to your build farm?) and in some cases probably impossible (for targets without the resources to run a full GHC even if they can run GHC-compiled code) I think this is a reasonable restriction to require. My questions to the list are: * Is 1 above a pipe dream, keeping in mind that we are assuming the availability of build-native versions of all dependencies and already-compiled modules? * Any pointers for getting started with 1? * Anything I'm missing? Thanks, Shea
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