build-system: Add scons-build-system.

* guix/build-system/scons.scm: New file.
* guix/build/scons-build-system.scm: New file.
* Makefile.am (MODULES): Register them.
* doc/guix.texi (Build Systems): Add scons-build-system.

1 files changed, 65 insertions, 0 deletions

diff --git a/guix/build/scons-build-system.scm b/guix/build/scons-build-system.scm
new file mode 100644
index 0000000000..a8760968d8
--- /dev/null
+++ b/guix/build/scons-build-system.scm
@@ -0,0 +1,65 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
+;;;
+;;; This file is 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 (guix build scons-build-system)
+  #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+  #:use-module (guix build utils)
+  #:export (%standard-phases
+            scons-build))
+
+;; Commentary:
+;;
+;; Builder-side code of the SCons build system.
+;;
+;; Code:
+
+(define* (build #:key outputs (scons-flags '()) (parallel-build? #t) #:allow-other-keys)
+  (let ((out (assoc-ref outputs "out")))
+    (mkdir-p out)
+    (zero? (apply system* "scons"
+                  (append (if parallel-build?
+                              (list "-j" (number->string
+                                          (parallel-job-count)))
+                              (list))
+                          scons-flags)))))
+
+(define* (check #:key tests? test-target (scons-flags '()) #:allow-other-keys)
+  "Run the test suite of a given SCons application."
+  (cond (tests?
+         (zero? (apply system* "scons" test-target scons-flags)))
+        (else
+         (format #t "test suite not run~%")
+         #t)))
+
+(define* (install #:key outputs (scons-flags '()) #:allow-other-keys)
+  "Install a given SCons application."
+  (zero? (apply system* "scons" "install" scons-flags)))
+
+(define %standard-phases
+  (modify-phases gnu:%standard-phases
+    (delete 'configure)
+    (replace 'build build)
+    (replace 'check check)
+    (replace 'install install)))
+
+(define* (scons-build #:key inputs (phases %standard-phases)
+                       #:allow-other-keys #:rest args)
+  "Build a given SCons application, applying all of PHASES in order."
+  (apply gnu:gnu-build #:inputs inputs #:phases phases args))
+
+;;; scons-build-system.scm ends here