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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com> | |
27a1e4fd | 3 | ;;; Copyright © 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org> |
de6af327 TUBK |
4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
04b5ac21 LC |
20 | (use-modules (ice-9 format) |
21 | (ice-9 match) | |
de6af327 | 22 | (ice-9 threads) |
3a9976bf | 23 | (srfi srfi-1) |
2890ad33 | 24 | (guix build compile) |
de6af327 TUBK |
25 | (guix build utils)) |
26 | ||
de6af327 | 27 | (define host (getenv "host")) |
de6af327 TUBK |
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 | ||
3a9976bf LC |
49 | (define* (parallel-job-count #:optional (flags (getenv "MAKEFLAGS"))) |
50 | "Return the number of parallel jobs as determined by FLAGS, the flags passed | |
51 | to 'make'." | |
52 | (match flags | |
53 | (#f (current-processor-count)) | |
54 | (flags | |
55 | (let ((initial-flags (string-tokenize flags))) | |
56 | (let loop ((flags initial-flags)) | |
57 | (match flags | |
58 | (() | |
59 | ;; Note: GNU make prior to version 4.2 would hide "-j" flags from | |
60 | ;; $MAKEFLAGS. Thus, check for a "--jobserver" flag here and | |
61 | ;; assume we're using all cores if specified. | |
62 | (if (any (lambda (flag) | |
63 | (string-prefix? "--jobserver" flag)) | |
64 | initial-flags) | |
65 | (current-processor-count) ;GNU make < 4.2 | |
66 | 1)) ;sequential make | |
67 | (("-j" (= string->number count) _ ...) | |
68 | (if (integer? count) | |
69 | count | |
70 | (current-processor-count))) | |
71 | ((head tail ...) | |
72 | (if (string-prefix? "-j" head) | |
73 | (match (string-drop head 2) | |
74 | ("" | |
75 | (current-processor-count)) | |
76 | ((= string->number count) | |
77 | (if (integer? count) | |
78 | count | |
79 | (current-processor-count)))) | |
80 | (loop tail))))))))) | |
81 | ||
27a1e4fd LC |
82 | (define (parallel-job-count*) |
83 | ;; XXX: Work around memory requirements not sustainable on i686 above '-j4' | |
84 | ;; or so: <https://bugs.gnu.org/40522>. | |
85 | (let ((count (parallel-job-count))) | |
86 | (if (string-prefix? "i686" %host-type) | |
87 | (min count 4) | |
88 | count))) | |
89 | ||
04b5ac21 LC |
90 | (define (% completed total) |
91 | "Return the completion percentage of COMPLETED over TOTAL as an integer." | |
92 | (inexact->exact (round (* 100. (/ completed total))))) | |
93 | ||
402bb3b9 LC |
94 | ;; Install a SIGINT handler to give unwind handlers in 'compile-file' an |
95 | ;; opportunity to run upon SIGINT and to remove temporary output files. | |
96 | (sigaction SIGINT | |
97 | (lambda args | |
98 | (exit 1))) | |
99 | ||
de6af327 TUBK |
100 | (match (command-line) |
101 | ((_ . files) | |
ee700da5 LC |
102 | (catch #t |
103 | (lambda () | |
104 | (compile-files srcdir (getcwd) | |
105 | (filter file-needs-compilation? files) | |
27a1e4fd | 106 | #:workers (parallel-job-count*) |
ee700da5 LC |
107 | #:host host |
108 | #:report-load (lambda (file total completed) | |
109 | (when file | |
110 | (format #t "[~3d%] LOAD ~a~%" | |
111 | (% (+ 1 completed) (* 2 total)) | |
112 | file) | |
113 | (force-output))) | |
114 | #:report-compilation (lambda (file total completed) | |
115 | (when file | |
116 | (format #t "[~3d%] GUILEC ~a~%" | |
117 | (% (+ total completed 1) | |
118 | (* 2 total)) | |
119 | (scm->go file)) | |
120 | (force-output))))) | |
121 | (lambda _ | |
122 | (primitive-exit 1)) | |
123 | (lambda args | |
124 | ;; Try to report the error in an intelligible way. | |
125 | (let* ((stack (make-stack #t)) | |
126 | (frame (if (> (stack-length stack) 1) | |
127 | (stack-ref stack 1) ;skip the 'throw' frame | |
128 | (stack-ref stack 0))) | |
129 | (ui (false-if-exception | |
130 | (resolve-module '(guix ui)))) | |
131 | (report (and ui | |
132 | (false-if-exception | |
133 | (module-ref ui 'report-load-error))))) | |
134 | (if report | |
135 | ;; In Guile <= 2.2.5, 'current-load-port' was not exported. | |
136 | (let ((load-port ((module-ref (resolve-module '(ice-9 ports)) | |
137 | 'current-load-port)))) | |
138 | (report (or (and=> load-port port-filename) "?.scm") | |
139 | args frame)) | |
140 | (begin | |
141 | (print-exception (current-error-port) frame | |
142 | (car args) (cdr args)) | |
143 | (display-backtrace stack (current-error-port))))))))) |