Move the "binary" build system from the Gaming Channels to Nonguix.

* nonguix/build-system/binary.scm: New file.
* nonguix/build/binary-build-system.scm: New file.
* nonguix/build/utils.scm: New file.
* nonguix/utils.scm: New file.

1 files changed, 40 insertions, 0 deletions

diff --git a/nonguix/utils.scm b/nonguix/utils.scm
new file mode 100644
index 0000000..2a514b6
--- /dev/null
+++ b/nonguix/utils.scm
@@ -0,0 +1,40 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
+;;;
+;;; This file is not part of GNU Guix.
+;;;
+;;; GNU Guix 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.
+;;;
+;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (nonguix utils)
+  #:use-module (srfi srfi-26)
+  #:use-module (ice-9 match)
+  #:use-module (ice-9 textual-ports)
+  #:use-module (ice-9 popen)
+  #:use-module (guix utils)
+  #:use-module (guix packages)
+  #:export (getenv*))
+
+(define-public (to32 package64)
+  "Build package for i686-linux.
+Only x86_64-linux and i686-linux are supported.
+- If i686-linux, return the package unchanged.
+- If x86_64-linux, return the 32-bit version of the package."
+  (match (%current-system)
+    ("x86_64-linux"
+     (package
+       (inherit package64)
+       (name (string-append (package-name package64) "32"))
+       (arguments `(#:system "i686-linux"
+                    ,@(package-arguments package64)))))
+    (_ package64)))