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+;;; Chickadee Game Toolkit
+;;; Copyright © 2016 David Thompson <davet@gnu.org>
+;;;
+;;; Chickadee is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Chickadee is distributed in the hope that it will be useful, but WITHOUT
+;;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+;;; License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with this program. If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;; Development environment for GNU Guix.
+;;
+;; To setup the development environment, run the following:
+;;
+;; guix environment -l guix.scm
+;; ./bootstrap && ./configure;
+;;
+;; To build the development snapshot, run:
+;;
+;; guix build -f guix.scm
+;;
+;; To install the development snapshot, run:
+;;
+;; guix install -f guix.scm
+;;
+;;; Code:
+
+(use-modules (ice-9 match)
+ (srfi srfi-1)
+ (guix packages)
+ (guix licenses)
+ (guix git-download)
+ (guix build-system gnu)
+ (gnu packages)
+ (gnu packages autotools)
+ (gnu packages pkg-config)
+ (gnu packages texinfo)
+ (gnu packages guile)
+ (gnu packages gl)
+ (gnu packages sdl)
+ (gnu packages maths)
+ (gnu packages image))
+
+(define (package-with-guile p guile)
+ (package
+ (inherit p)
+ (inputs
+ (map (match-lambda
+ (("guile" _)
+ `("guile" ,guile))
+ (input input))
+ (package-inputs p)))))
+
+(define (package-with-guile-next p)
+ (package-with-guile p guile-next))
+
+(define guile-sdl2
+ (let ((commit "9ec24e3f997e40ebde5e8b0057e0324e21fd93a4"))
+ (package
+ (name "guile-sdl2")
+ (version (string-append "0.1.2-1." (string-take commit 7)))
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "git://dthompson.us/guile-sdl2.git")
+ (commit commit)))
+ (file-name (string-append name "-" version "-checkout"))
+ (sha256
+ (base32
+ "1aczhrg5s83242hlj6i258axf8cr8a2pvp1kdfk55cr4gf1ajf5x"))))
+ (build-system gnu-build-system)
+ (arguments
+ '(#:configure-flags
+ (list (string-append "--with-libsdl2-prefix="
+ (assoc-ref %build-inputs "sdl2"))
+ (string-append "--with-libsdl2-image-prefix="
+ (assoc-ref %build-inputs "sdl2-image"))
+ (string-append "--with-libsdl2-ttf-prefix="
+ (assoc-ref %build-inputs "sdl2-ttf"))
+ (string-append "--with-libsdl2-mixer-prefix="
+ (assoc-ref %build-inputs "sdl2-mixer")))
+ #:make-flags '("GUILE_AUTO_COMPILE=0")
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'bootstrap
+ (lambda _ (zero? (system* "sh" "bootstrap"))))
+ (add-after 'configure 'patch-makefile
+ (lambda _
+ ;; Install compiled Guile files in the expected place.
+ (substitute* '("Makefile")
+ (("^godir = .*$")
+ "godir = $(moddir)\n")))))))
+ (native-inputs
+ `(("autoconf" ,autoconf)
+ ("automake" ,automake)
+ ("pkg-config" ,pkg-config)
+ ("texinfo" ,texinfo)))
+ (inputs
+ `(("guile" ,guile-next)
+ ("sdl2" ,sdl2)
+ ("sdl2-image" ,sdl2-image)
+ ("sdl2-mixer" ,sdl2-mixer)
+ ("sdl2-ttf" ,sdl2-ttf)))
+ (synopsis "Guile bindings for SDL2")
+ (description "Guile-sdl2 provides pure Guile Scheme bindings to the
+SDL2 C shared library via the foreign function interface.")
+ (home-page "https://git.dthompson.us/guile-sdl2.git")
+ (license lgpl3+))))
+
+(package
+ (name "chickadee")
+ (version "0.1")
+ (source #f)
+ (build-system gnu-build-system)
+ (native-inputs
+ `(("autoconf" ,autoconf)
+ ("automake" ,automake)
+ ("pkg-config" ,pkg-config)
+ ("texinfo" ,texinfo)))
+ (inputs
+ `(("guile" ,guile-next)))
+ (propagated-inputs
+ `(("guile-opengl" ,(package-with-guile-next guile-opengl))
+ ("guile-sdl2" ,(package-with-guile-next guile-sdl2))))
+ (synopsis "Game development toolkit for Guile Scheme")
+ (description "Chickadee is a game development toolkit for Guile
+Scheme. It contains all of the basic components needed to develop
+2D/3D video games.")
+ (home-page "https://dthompson.us/projects/chickadee.html")
+ (license gpl3+))