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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org> | |
c086c5af | 3 | ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com> |
ce631299 DM |
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 | ||
20 | (define-module (guix build linux-module-build-system) | |
21 | #:use-module ((guix build gnu-build-system) #:prefix gnu:) | |
22 | #:use-module (guix build utils) | |
23 | #:use-module (ice-9 ftw) | |
24 | #:use-module (ice-9 match) | |
25 | #:use-module (srfi srfi-1) | |
26 | #:use-module (srfi srfi-26) | |
27 | #:export (%standard-phases | |
28 | linux-module-build)) | |
29 | ||
30 | ;; Commentary: | |
31 | ;; | |
32 | ;; Builder-side code of linux-module build. | |
33 | ;; | |
34 | ;; Code: | |
35 | ||
0b30a1a0 | 36 | ;; Copied from make-linux-libre's "configure" phase. |
c086c5af | 37 | (define* (configure #:key inputs target arch #:allow-other-keys) |
0b30a1a0 DM |
38 | (setenv "KCONFIG_NOTIMESTAMP" "1") |
39 | (setenv "KBUILD_BUILD_TIMESTAMP" (getenv "SOURCE_DATE_EPOCH")) | |
c086c5af MO |
40 | |
41 | (setenv "ARCH" arch) | |
42 | (format #t "`ARCH' set to `~a'~%" (getenv "ARCH")) | |
43 | ||
0b30a1a0 DM |
44 | (when target |
45 | (setenv "CROSS_COMPILE" (string-append target "-")) | |
46 | (format #t "`CROSS_COMPILE' set to `~a'~%" | |
47 | (getenv "CROSS_COMPILE"))) | |
48 | ; TODO: (setenv "EXTRA_VERSION" ,extra-version) | |
49 | ; TODO: kernel ".config". | |
50 | #t) | |
51 | ||
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52 | (define* (build #:key inputs make-flags #:allow-other-keys) |
53 | (apply invoke "make" "-C" | |
54 | (string-append (assoc-ref inputs "linux-module-builder") | |
55 | "/lib/modules/build") | |
56 | (string-append "M=" (getcwd)) | |
57 | (or make-flags '()))) | |
58 | ||
59 | ;; This block was copied from make-linux-libre--only took the "modules_install" | |
60 | ;; part. | |
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61 | (define* (install #:key make-flags inputs native-inputs outputs |
62 | #:allow-other-keys) | |
ce631299 | 63 | (let* ((out (assoc-ref outputs "out")) |
12f0aefd | 64 | (moddir (string-append out "/lib/modules"))) |
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65 | ;; Install kernel modules |
66 | (mkdir-p moddir) | |
f51fd97e | 67 | (apply invoke "make" "-C" |
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68 | (string-append (assoc-ref inputs "linux-module-builder") |
69 | "/lib/modules/build") | |
70 | (string-append "M=" (getcwd)) | |
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71 | ;; Disable depmod because the Guix system's module directory |
72 | ;; is an union of potentially multiple packages. It is not | |
73 | ;; possible to use depmod to usefully calculate a dependency | |
74 | ;; graph while building only one of those packages. | |
75 | "DEPMOD=true" | |
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76 | (string-append "MODULE_DIR=" moddir) |
77 | (string-append "INSTALL_PATH=" out) | |
78 | (string-append "INSTALL_MOD_PATH=" out) | |
79 | "INSTALL_MOD_STRIP=1" | |
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80 | "modules_install" |
81 | (or make-flags '())))) | |
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82 | |
83 | (define %standard-phases | |
84 | (modify-phases gnu:%standard-phases | |
0b30a1a0 | 85 | (replace 'configure configure) |
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86 | (replace 'build build) |
87 | (replace 'install install))) | |
88 | ||
f51fd97e DM |
89 | (define* (linux-module-build #:key inputs |
90 | (phases %standard-phases) | |
c086c5af MO |
91 | #:allow-other-keys #:rest args) |
92 | "Build the given package, applying all of PHASES in order, with a Linux | |
93 | kernel in attendance." | |
ce631299 DM |
94 | (apply gnu:gnu-build |
95 | #:inputs inputs #:phases phases | |
96 | args)) | |
97 | ||
98 | ;;; linux-module-build-system.scm ends here |