GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc.
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure t
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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/>.
(use-modules (system base target)
(system base message)
(ice-9 match)
(ice-9 threads)
(guix build utils))
(define warnings
'(unsupported-warning format unbound-variable arity-mismatch))
(define host (getenv "host"))
(define srcdir (getenv "srcdir"))
(define (relative-file file)
(if (string-prefix? (string-append srcdir "/") file)
(string-drop file (+ 1 (string-length srcdir)))
file))
(define (file-mtime<? f1 f2)
(< (stat:mtime (stat f1))
(stat:mtime (stat f2))))
(define (scm->go file)
(let* ((relative (relative-file file))
(without-extension (string-drop-right relative 4)))
(string-append without-extension ".go")))
(define (file-needs-compilation? file)
(let ((go (scm->go file)))
(or (not (file-exists? go))
(file-mtime<? go file))))
(define (file->module file)
(let* ((relative (relative-file file))
(module-path (string-drop-right relative 4)))
(map string->symbol
(string-split module-path #\/))))
;;; To work around <http://bugs.gnu.org/15602> (FIXME), we want to load all
;;; files to be compiled first. We do this via resolve-interface so that the
;;; top-level of each file (module) is only executed once.
(define (load-module-file file)
(let ((module (file->module file)))
(format #t " LOAD ~a~%" module)
(resolve-interface module)))
(define (compile-file* file output-mutex)
(let ((go (scm->go file)))
(with-mutex output-mutex
(format #t " GUILEC ~a~%" go)
(force-output))
(mkdir-p (dirname go))
(with-fluids ((*current-warning-prefix* ""))
(with-target host
(lambda ()
(compile-file file
#:output-file go
#:opts `(#:warnings ,warnings)))))))
(match (command-line)
((_ . files)
(let ((files (filter file-needs-compilation? files)))
(for-each load-module-file files)
(let ((mutex (make-mutex)))
(par-for-each (lambda (file)
(compile-file* file mutex))
files)))))
;;; Local Variables:
;;; eval: (put 'with-target 'scheme-indent-function 1)
;;; End:
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