Racket CS 7.8

Big plus: ARM64 support!

Big minus: Neither DRRacket nor any built .app launches on the Mac, you have to call them from command line. Gross incompetence & zero testing.

My basic gridtest.rkt demo still takes 100ms to render a frame, needs to be <16ms. But that's interpreting from the shell, and I may look and see if they have a more efficient graphics API.

The bigger problem is that compiling doesn't work with packages, or at least I don't have the right magic invocations:

% cat build.zsh
#!/bin/zsh

rm -rf build
mkdir build
# Windows: --ico foo.ico
# Mac: --icns foo.icns
time raco exe --cs --gui ++lib memoize ++lib rsound ++lib portaudio -o build/gridtest gridtest.rkt

% ./build.zsh && ./build/gridtest.app/Contents/MacOS/gridtest
raco exe --cs --gui ++lib memoize ++lib rsound ++lib portaudio -o    39.14s user 2.40s system 87% cpu 47.390 total
ffi-lib: could not load foreign library
  path: libportaudio.2.dylib
  system error: dlopen(libportaudio.2.dylib, 6): image not found
  context...:
   raise-dll-error
   .../ffi/unsafe.rkt:131:0: get-ffi-lib
   call-in-empty-metacontinuation-frame
   proc
   call-in-empty-metacontinuation-frame
   body of '#%embedded:portaudio/portaudio:
   temp35_0
   run-module-instance!
   [repeats 6 more times]
   perform-require!
   call-in-empty-metacontinuation-frame
   eval-one-top
   eval-compiled-parts
   embedded-load
   proc
   call-in-empty-metacontinuation-frame

Well, that's fucked. 40 seconds and a fuck you because it doesn't bring in the dylib it needs.

Obviously I could just say "install Racket, run this script", but that's lame and distributes source, which in a real game I don't want to do.

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