99 lines
3.6 KiB
Scheme
99 lines
3.6 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org>
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;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build linux-module-build-system)
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#:use-module ((guix build gnu-build-system) #:prefix gnu:)
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#:use-module (guix build utils)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (%standard-phases
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linux-module-build))
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;; Commentary:
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;;
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;; Builder-side code of linux-module build.
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;;
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;; Code:
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;; Copied from make-linux-libre's "configure" phase.
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(define* (configure #:key inputs target arch #:allow-other-keys)
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(setenv "KCONFIG_NOTIMESTAMP" "1")
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(setenv "KBUILD_BUILD_TIMESTAMP" (getenv "SOURCE_DATE_EPOCH"))
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(setenv "ARCH" arch)
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(format #t "`ARCH' set to `~a'~%" (getenv "ARCH"))
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(when target
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(setenv "CROSS_COMPILE" (string-append target "-"))
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(format #t "`CROSS_COMPILE' set to `~a'~%"
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(getenv "CROSS_COMPILE")))
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; TODO: (setenv "EXTRA_VERSION" ,extra-version)
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; TODO: kernel ".config".
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#t)
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(define* (build #:key inputs make-flags #:allow-other-keys)
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(apply invoke "make" "-C"
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(string-append (assoc-ref inputs "linux-module-builder")
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"/lib/modules/build")
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(string-append "M=" (getcwd))
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(or make-flags '())))
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;; This block was copied from make-linux-libre--only took the "modules_install"
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;; part.
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(define* (install #:key make-flags inputs native-inputs outputs
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#:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(moddir (string-append out "/lib/modules")))
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;; Install kernel modules
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(mkdir-p moddir)
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(apply invoke "make" "-C"
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(string-append (assoc-ref inputs "linux-module-builder")
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"/lib/modules/build")
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(string-append "M=" (getcwd))
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;; Disable depmod because the Guix system's module directory
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;; is an union of potentially multiple packages. It is not
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;; possible to use depmod to usefully calculate a dependency
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;; graph while building only one of those packages.
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"DEPMOD=true"
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(string-append "MODULE_DIR=" moddir)
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(string-append "INSTALL_PATH=" out)
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(string-append "INSTALL_MOD_PATH=" out)
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"INSTALL_MOD_STRIP=1"
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"modules_install"
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(or make-flags '()))))
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(define %standard-phases
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(modify-phases gnu:%standard-phases
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(replace 'configure configure)
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(replace 'build build)
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(replace 'install install)))
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(define* (linux-module-build #:key inputs
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(phases %standard-phases)
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#:allow-other-keys #:rest args)
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"Build the given package, applying all of PHASES in order, with a Linux
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kernel in attendance."
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(apply gnu:gnu-build
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#:inputs inputs #:phases phases
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args))
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;;; linux-module-build-system.scm ends here
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