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Run kons-9 with SBCL on Windows 64-bit

2022-08-28 by mikel evins (mikel@evins.net)

Following are the steps that enable me to compile and load the sbcl-win64-tests branch of kons-9 under SBCL 2.1.0 with GLFW 3.3.8 on a Microsoft Surface Pro 8 running Windows 11 Pro, version 21H2.

The TL;DR version is that you just need to:

  1. Install the 64-bit version of glfw
  2. Push the directory containing the glfw DLL onto cffi:foreign-library-directories, something like this:
#+(and windows x86-64) 
(eval-when (:compile-toplevel :load-toplevel :execute)
  (pushnew "c:/Program Files/glfw-3.3.8/lib/"
           cffi:*foreign-library-directories*))
  1. Modify the definition of print-scene-view-help so that it doesn't try to use "%" to end lines in the message string; this does not work well across filesystems. For testing purposes, I simply commented out the FORMAT call with a "#-windows", which means that printing help doesn't currnetly work on Windows, for now.

Here's a fuller version of the explanation:

  1. Install GLFW 3.3.8 I downloaded glfw-3.3.8.bin.WIN64.zip from: https://sourceforge.net/projects/glfw/files/glfw/3.3.8/ I unzipped it and copied the contents of the inner folder to C:\Program Files\glfw-3.3.8 In other words, after I copied the files, the directory C:\Program Files\glfw-3.3.8 contained subdirectories titled docs, include, and so on from the downloaded archive.

  2. Install SBCL: see the SBCL download page at https://www.sbcl.org/platform-table.html. I used SBCL 2.1.0 for my tests.

  3. Clone kons-9 into some convenient directory on your system. git clone git@github.com:kaveh808/kons-9.git

  4. Using git, check out the sbcl-win64-tests branch: cd kons-9 git checkout sbcl-win64-tests

  5. Start sbcl from Emacs. If you've configured SLIME to start SBCL automatically, you can just do: M-x slime For more information about configuring SLIME, see the SLIME manual: https://slime.common-lisp.dev/doc/html/ ... or the SLIME HOTO: https://www.cliki.net/slime-howto

  6. From Emacs, open the file kons-9/kons-9.asd

  7. Load the buffer; click anywhere inside the buffer and then use these Emacs key commands: C-c C-l RET

  8. Load the kons-9 system; in the SLIME repl buffer, evaluate the following expression: (asdf:load-system :kons-9)

  9. Show the kons-9 GLFW window:

   (trivial-main-thread:call-in-main-thread
      (lambda ()
       (sb-int:set-floating-point-modes :traps nil)
       (kons-9::show-window kons-9::*scene*)))

[The two previous Lisp expressions are at the bottom of the kons-9.asd file. You can execute them by placing the cursor at the end of each expression and using the key command C-x C-e.]

  1. Open the file kons-9/test/demo-kernel.lisp and evaluate the Lisp forms in it one-by-one. Each form should cause the GLFW window to render one or more figures. Some as-yet unresolved porting issues cause expressions past about halfway down the file to fail. We'll address these failures in due course.