;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013 Andreas Enge ;;; Copyright © 2014, 2015, 2019 Ludovic Courtès ;;; Copyright © 2016 Fabian Harfert ;;; Copyright © 2017, 2018 Nikita ;;; ;;; 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 . (define-module (gnu packages libcanberra) #:use-module ((guix licenses) #:select (lgpl2.1+ gpl2 gpl2+ cc-by-sa4.0 cc-by3.0)) #:use-module (gnu packages) #:use-module (guix packages) #:use-module (guix download) #:use-module (guix git-download) #:use-module (guix build-system gnu) #:use-module (guix build-system python) #:use-module (guix utils) #:use-module (gnu packages autotools) #:use-module (gnu packages gstreamer) #:use-module (gnu packages gtk) #:use-module (gnu packages glib) #:use-module (gnu packages linux) #:use-module (gnu packages pulseaudio) #:use-module (gnu packages pkg-config) #:use-module (gnu packages python) #:use-module (gnu packages xiph) #:use-module ((srfi srfi-1) #:select (alist-delete))) (define-public libcanberra (package (name "libcanberra") (version "0.30") (source (origin (method url-fetch) ;; This used to be at 0pointer.de but it vanished. (uri (string-append 
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
;;; Copyright © 2019 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2019 Carl Dong <contact@carldong.me>
;;;
;;; 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/>.

(define-module (gnu build cross-toolchain)
  #:use-module (guix build utils)
  #:use-module (guix build gnu-build-system)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module (ice-9 match)
  #:use-module (ice-9 ftw)
  #:export (cross-gcc-build-phases))

;;; Commentary:
;;;
;;; This module provides tools to build a cross-compiler.
;;;
;;; Code:

(define %gcc-include-paths
  ;; Environment variables for header search paths.
  ;; Note: See <http://bugs.gnu.org/22186> for why not 'CPATH'.
  '("C_INCLUDE_PATH"
    "CPLUS_INCLUDE_PATH"
    "OBJC_INCLUDE_PATH"
    "OBJCPLUS_INCLUDE_PATH"))

(define %gcc-cross-include-paths
  ;; Search path for target headers when cross-compiling.
  (map (cut string-append "CROSS_" <>) %gcc-include-paths))

(define* (patch-genmultilib-shebang #:key inputs native-inputs #:allow-other-keys)
  "Patch-shebang in the gcc/genmultilib file doesn't work as it contains several
scripts inside, each with a #!/bin/sh that needs patching."
  (substitute* "gcc/genmultilib"
    (("#!/bin/sh") (string-append "#!" (which "sh")))))

(define* (make-cross-binutils-visible #:key outputs inputs target
                                      #:allow-other-keys)
  "Create symlinks for 'as', 'nm', and 'ld' in the \"out\" output, under
libexec/gcc, so that the cross-GCC can find them."
  (let* ((out      (assoc-ref outputs "out"))
         (libexec  (string-append out "/libexec/gcc/" target))
         (binutils (string-append (assoc-ref inputs "binutils-cross")
                                  "/bin/" target "-"))
         (wrapper  (string-append (assoc-ref inputs "ld-wrapper-cross")
                                  "/bin/" target "-ld")))
    (for-each (lambda (file)
                (symlink (string-append binutils file)
                         (string-append libexec "/" file)))
              '("as" "nm"))
    (symlink wrapper (string-append libexec "/ld"))
    #t))

(define* (set-cross-path #:key inputs #:allow-other-keys)
  "Add the cross kernel headers to CROSS_CPATH, and remove them from
C_INCLUDE_PATH et al."
  (match (assoc-ref inputs "libc")
    ((? string? libc)
     (let ((kernel (assoc-ref inputs "xkernel-headers")))
       (define (cross? x)
         ;; Return #t if X is a cross-libc or cross Linux.
         (or (string-prefix? libc x)
             (string-prefix? kernel x)))

       (let ((cpath (string-append libc "/include"
                                   ":" kernel "/include")))
         (for-each (cut setenv <> cpath)
                   %gcc-cross-include-paths))

       (setenv "CROSS_LIBRARY_PATH"
               (string-append libc "/lib:" kern