Cannot build guile-chickadee.

[Ricardo Wurmus]

Hi there,

I’m trying to get Chickadee packaged.  Attached is a package definition.
The build fails when chickadee/render/shapes.scm is supposed to be
compiled:

--8<---------------cut here---------------start------------->8---
…
  GEN      chickadee/render/shapes.go
Backtrace:
          19 (primitive-load-path "sdl2" #<procedure d72da0 at ice-9…>)
In ice-9/eval.scm:
   721:20 18 (primitive-eval _)
In ice-9/psyntax.scm:
  1234:36 17 (expand-top-sequence _ _ _ #f _ _ _)
  1181:24 16 (parse _ (("placeholder" placeholder)) ((top) #(# # …)) …)
   284:10 15 (parse _ (("placeholder" placeholder)) (()) _ c&e (eval) …)
In ice-9/eval.scm:
   293:34 14 (_ #<module (#{ g112}#) d75f00>)
In ice-9/boot-9.scm:
   2866:4 13 (define-module* _ #:filename _ #:pure _ #:version _ # _ …)
  2879:24 12 (_)
   230:29 11 (map1 _)
   230:29 10 (map1 _)
   230:29  9 (map1 _)
   230:29  8 (map1 _)
   230:17  7 (map1 (((sdl2 bindings) #:prefix #:ffi)))
  2805:10  6 (resolve-interface (sdl2 bindings) #:select _ #:hide _ # …)
   268:13  5 (for-each #<procedure 13ebac0 at ice-9/boot-9.scm:2805…> …)
  2818:41  4 (_ _)
  1475:39  3 (symbol-append #:ffi SDLK_F19)
   230:17  2 (map1 (#:ffi SDLK_F19))
In unknown file:
           1 (symbol->string #:ffi)
In ice-9/boot-9.scm:
   760:25  0 (dispatch-exception _ _ _)

ice-9/boot-9.scm:760:25: In procedure dispatch-exception:
ice-9/boot-9.scm:760:25: In procedure symbol->string: Wrong type argument in 
position 1 (expecting symbol): #:ffi
make: *** [Makefile:1047: chickadee/render/shapes.go] Error 1
--8<---------------cut here---------------end--------------->8---

Any ideas what might be wrong here?

-- 
Ricardo

>From d3854140439110bd66742c1252a0768141cd6a61 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Wed, 20 Jun 2018 02:59:23 +0200
Subject: [PATCH] gnu: Add guile-chickadee.

* gnu/packages/game-development.scm (guile-chickadee): New variable.
---
 gnu/packages/game-development.scm | 38 ++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/game-development.scm 
b/gnu/packages/game-development.scm
index 3d6a038d9..5a192d939 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2015, 2016, 2017 David Thompson <address@hidden>
 ;;; Copyright © 2016, 2017, 2018 Efraim Flashner <address@hidden>
 ;;; Copyright © 2016, 2017 Kei Kebreau <address@hidden>
-;;; Copyright © 2016 Ricardo Wurmus <address@hidden>
+;;; Copyright © 2016, 2018 Ricardo Wurmus <address@hidden>
 ;;; Copyright © 2016, 2017 Julian Graham <address@hidden>
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <address@hidden>
 ;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <address@hidden>
@@ -74,6 +74,7 @@
   #:use-module (gnu packages python)
   #:use-module (gnu packages qt)
   #:use-module (gnu packages sdl)
+  #:use-module (gnu packages texinfo)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages video)
   #:use-module (gnu packages xdisorg)
@@ -1233,3 +1234,38 @@ related games such as Heretic and Hexen.  It comes with 
a 3d preview mode and
 a 2D editor view.")
     (home-page "http://eureka-editor.sourceforge.net/";)
     (license license:gpl2+)))
+
+(define-public guile-chickadee
+  (package
+    (name "guile-chickadee")
+    (version "0.2.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://files.dthompson.us/chickadee/";
+                                  "chickadee-" version ".tar.gz"))
+              (sha256
+               (base32
+                "10qx0ha5gsayybd186r1my7vc7rf5fbzp9jvmc4xg9a8wz8rqhah"))))
+    (build-system gnu-build-system)
+    (propagated-inputs
+     `(("guile-opengl" ,guile-opengl)
+       ("guile-sdl2" ,guile-sdl2)))
+    (inputs
+     `(("guile" ,guile-2.2)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("texinfo" ,texinfo)))
+    (home-page "https://dthompson.us/projects/chickadee.html";)
+    (synopsis "Game development toolkit for Guile Scheme with SDL2 and OpenGL")
+    (description "Chickadee is a game development toolkit for Guile Scheme
+built on top of SDL2 and OpenGL.  Chickadee aims to provide all the features
+that parenthetically inclined game developers need to make 2D (and eventually
+3D) games in Scheme, such as:
+
address@hidden
address@hidden extensible, fixed-timestep game loop
address@hidden OpenGL-based rendering engine
address@hidden keyboard, mouse, controller input
address@hidden REPL-driven development model
address@hidden enumerate\n")
+    (license license:gpl3+)))
-- 
2.17.1