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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (use-modules (system base target) | |
20 | (ice-9 match) | |
21 | (ice-9 threads) | |
22 | (guix build utils)) | |
23 | ||
24 | (define compile-options '(format unbound-variable arity-mismatch)) | |
25 | ||
26 | (define host (getenv "host")) | |
27 | ||
28 | (define srcdir (getenv "srcdir")) | |
29 | ||
30 | (define (relative-file file) | |
31 | (if (string-prefix? (string-append srcdir "/") file) | |
32 | (string-drop file (+ 1 (string-length srcdir))) | |
33 | file)) | |
34 | ||
35 | (define (file-mtime<? f1 f2) | |
36 | (< (stat:mtime (stat f1)) | |
37 | (stat:mtime (stat f2)))) | |
38 | ||
39 | (define (scm->go file) | |
40 | (let* ((relative (relative-file file)) | |
41 | (without-extension (string-drop-right relative 4))) | |
42 | (string-append without-extension ".go"))) | |
43 | ||
44 | (define (file-needs-compilation? file) | |
45 | (let ((go (scm->go file))) | |
46 | (or (not (file-exists? go)) | |
47 | (file-mtime<? go file)))) | |
48 | ||
49 | (define (file->module file) | |
50 | (let* ((relative (relative-file file)) | |
51 | (module-path (string-drop-right relative 4))) | |
52 | (map string->symbol | |
53 | (string-split module-path #\/)))) | |
54 | ||
55 | ;;; To work around <http://bugs.gnu.org/15602> (FIXME), we want to load all | |
56 | ;;; files to be compiled first. We do this via resolve-interface so that the | |
57 | ;;; top-level of each file (module) is only executed once. | |
58 | (define (load-module-file file) | |
59 | (let ((module (file->module file))) | |
60 | (format #t " LOAD ~a~%" module) | |
61 | (resolve-interface module))) | |
62 | ||
63 | (define (compile-file* file output-mutex) | |
64 | (let ((go (scm->go file))) | |
65 | (with-mutex output-mutex | |
66 | (format #t " GUILEC ~a~%" go) | |
67 | (force-output)) | |
68 | (mkdir-p (dirname go)) | |
69 | (with-target host | |
70 | (lambda () | |
71 | (compile-file file | |
72 | #:output-file go | |
73 | #:opts compile-options))))) | |
74 | ||
75 | (match (command-line) | |
76 | ((_ . files) | |
77 | (let ((files (filter file-needs-compilation? files))) | |
78 | (for-each load-module-file files) | |
79 | (let ((mutex (make-mutex))) | |
80 | (par-for-each (lambda (file) | |
81 | (compile-file* file mutex)) | |
82 | files))))) |