From b68a79ee4b02cb3a90c7486adbd151af7909dc23 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Thu, 12 Nov 2015 08:42:10 -0500
Subject: guix: Add a complete package for development snapshots.

* guix.scm: Add source code information and necessary build options.
* INSTALL.org: Add Guix installation instructions.
* README: Add configure flags for Guix dev environments.
---
 guix.scm | 53 +++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 39 insertions(+), 14 deletions(-)

(limited to 'guix.scm')

diff --git a/guix.scm b/guix.scm
index 986cd16..344449a 100644
--- a/guix.scm
+++ b/guix.scm
@@ -19,10 +19,26 @@
 ;;
 ;; Development environment for GNU Guix.
 ;;
+;; To setup the development environment, run the following:
+;;
+;;    guix environment -l guix.scm
+;;    ./bootstrap && ./configure \
+;;        --with-libfreeimage-prefix=$(guix build freeimage) \
+;;        --with-libgslcblas-prefix=$(guix build gsl)
+;;
+;; 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 (guix packages)
              (guix licenses)
+             (guix git-download)
              (guix build-system gnu)
              (gnu packages)
              (gnu packages autotools)
@@ -34,30 +50,39 @@
              (gnu packages maths)
              (gnu packages image))
 
-;; The development environment needs a tweaked LTDL_LIBRARY_PATH for
-;; finding libfreeimage.
-(define freeimage
-  (package (inherit freeimage)
-    (native-search-paths
-     (list (search-path-specification
-            (variable "LTDL_LIBRARY_PATH")
-            (files '("lib")))))))
-
 (package
   (name "sly")
-  (version "0.0")
-  (source #f)
+  (version "0.1")
+  (source (origin
+            (method git-fetch)
+            (uri (git-reference
+                  (url "git://dthompson.us/sly.git")
+                  (commit "c3b4824")))
+            (sha256
+             (base32
+              "0p2nj4snz0ny1f7x41knqg8y8x7wk3d794q8ifyh4iac0pbkfhac"))))
   (build-system gnu-build-system)
+  (arguments
+   '(#:phases
+     (modify-phases %standard-phases
+       (add-after 'unpack 'bootstrap
+         (lambda _ (zero? (system* "sh" "bootstrap")))))
+     #:configure-flags
+     (list (string-append "--with-libfreeimage-prefix="
+                          (assoc-ref %build-inputs "freeimage"))
+           (string-append "--with-libgslcblas-prefix="
+                          (assoc-ref %build-inputs "gsl")))))
   (native-inputs
    `(("pkg-config" ,pkg-config)
      ("autoconf" ,autoconf)
      ("automake" ,automake)
      ("texinfo" ,texinfo)))
-  (inputs
+  (propagated-inputs
    `(("guile" ,guile-2.0)
      ("guile-sdl" ,guile-sdl)
-     ("guile-opengl" ,guile-opengl)
-     ("gsl" ,gsl)
+     ("guile-opengl" ,guile-opengl)))
+  (inputs
+   `(("gsl" ,gsl)
      ("freeimage" ,freeimage)
      ("mesa" ,mesa)))
   (synopsis "2D/3D game engine for GNU Guile")
-- 
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