* gnu/packages/cross-base.scm (cross-gcc-toolchain) <name>: Always use gcc-cross- prefix regardless of TARGET having a C standard library or not. Change-Id: I5cbe89c61e5bd324a385db17c27131ea5ef75669
		
			
				
	
	
		
			792 lines
		
	
	
	
		
			34 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			792 lines
		
	
	
	
		
			34 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013-2018, 2020, 2023 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2016, 2019, 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
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;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
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;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2019, 2020, 2021 Marius Bakke <marius@gnu.org>
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;;; Copyright © 2019 Carl Dong <contact@carldong.me>
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;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;; Copyright © 2023 Josselin Poiret <dev@jpoiret.xyz>
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;;; Copyright © 2023 Foundation Devices, Inc. <hello@foundationdevices.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 (gnu packages cross-base)
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  #:use-module (gnu packages)
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  #:use-module (gnu packages avr)
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  #:use-module (gnu packages gcc)
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  #:use-module (gnu packages base)
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  #:use-module (gnu packages linux)
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  #:use-module (gnu packages hurd)
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  #:use-module (gnu packages mingw)
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  #:use-module (guix memoization)
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  #:use-module (guix platform)
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  #:use-module (guix packages)
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  #:use-module (guix diagnostics)
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  #:use-module (guix download)
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  #:use-module (guix i18n)
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  #:use-module (guix utils)
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  #:use-module (guix build-system gnu)
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  #:use-module (guix build-system trivial)
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  #:use-module (guix gexp)
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  #:use-module (srfi srfi-1)
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  #:use-module (srfi srfi-26)
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  #:use-module (ice-9 match)
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  #:use-module (ice-9 regex)
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  #:export (cross-binutils
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            cross-libc
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            cross-gcc
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            cross-mig
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            cross-kernel-headers
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            cross-gcc-toolchain))
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(define-syntax %xgcc
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  ;; GCC package used as the basis for cross-compilation.  It doesn't have to
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  ;; be 'gcc' and can be a specific variant such as 'gcc-4.8'.
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  ;;
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  ;; Note: This is a macro so that we do not refer to 'gcc' from the top
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  ;; level, which would lead to circular-dependency issues.
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  (identifier-syntax gcc))
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(define %gcc-include-paths
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  ;; Environment variables for header search paths.
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  ;; Note: See <http://bugs.gnu.org/22186> for why not 'CPATH'.
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  '("C_INCLUDE_PATH"
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    "CPLUS_INCLUDE_PATH"
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    "OBJC_INCLUDE_PATH"
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    "OBJCPLUS_INCLUDE_PATH"))
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(define %gcc-cross-include-paths
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  ;; Search path for target headers when cross-compiling.
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  (map (cut string-append "CROSS_" <>) %gcc-include-paths))
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(define (cross p target)
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  (package (inherit p)
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    (name (string-append (package-name p) "-cross-" target))
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    (arguments
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     (substitute-keyword-arguments (package-arguments p)
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       ((#:configure-flags flags ''())
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        `(cons ,(string-append "--target=" target)
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               ,flags))))))
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(define (contains-keyword? args)
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  "Check if ARGS contains a keyword object."
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  (find keyword? args))
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(define* (cross-binutils . args)
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  (if (or (= (length args) 1) (contains-keyword? args))
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      (apply cross-binutils* args)
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      (apply cross-binutils/deprecated args)))
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(define* (cross-binutils/deprecated target #:optional (binutils binutils))
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  (warning (G_ "'cross-binutils' must be used with keyword arguments~%"))
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  (cross-binutils* target #:binutils binutils))
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(define* (cross-binutils* target #:key (binutils binutils))
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  "Return a cross-Binutils for TARGET using BINUTILS."
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  (let ((binutils (package
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                    (inherit binutils)
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                    (arguments
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                     (substitute-keyword-arguments (package-arguments
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                                                    binutils)
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                       ((#:configure-flags flags)
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                        ;; Build with `--with-sysroot' so that ld honors
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                        ;; DT_RUNPATH entries when searching for a needed
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                        ;; library.  This works because as a side effect
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                        ;; `genscripts.sh' sets `USE_LIBPATH=yes', which tells
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                        ;; elf32.em to use DT_RUNPATH in its search list.
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                        ;; See <http://sourceware.org/ml/binutils/2013-05/msg00312.html>.
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                        ;;
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                        ;; In theory choosing / as the sysroot could lead ld
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                        ;; to pick up native libs instead of target ones.  In
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                        ;; practice the RUNPATH of target libs only refers to
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                        ;; target libs, not native libs, so this is safe.
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                        `(cons "--with-sysroot=/" ,flags)))))))
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    ;; For Xtensa, apply Qualcomm's patch.
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    (cross (cond ((string-prefix? "xtensa-" target)
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                  (package-with-patches binutils
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                                        (search-patches
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                                         "ath9k-htc-firmware-binutils.patch")))
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                 ((target-mingw? target)
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                  (package-with-extra-patches
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                   (package-with-extra-configure-variable
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                    ;; mingw binutils does not work correctly when configured
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                    ;; with `--enable-compressed-debug-sections`. An error
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                    ;; like the following will occur whenever you try to link:
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                    ;;
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                    ;;   x86_64-w64-mingw32-ld: final link failed: bad value
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                    ;;
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                    ;; TODO: This seems like a deeper problem that warrants
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                    ;; deeper investigation.
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                    binutils "--enable-compressed-debug-sections" "no")
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                   (search-patches "binutils-mingw-w64-timestamp.patch"
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                                   "binutils-mingw-w64-deterministic.patch")))
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                 (else binutils))
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           target)))
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(define (cross-gcc-arguments target xgcc libc)
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  "Return build system arguments for a cross-gcc for TARGET, using XGCC as the
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base compiler and using LIBC (which may be either a libc package or #f.)"
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  ;; Set the current target system so that 'glibc-dynamic-linker' returns the
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  ;; right name.
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  (parameterize ((%current-target-system target))
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    ;; Disable stripping as this can break binaries, with object files of
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    ;; libgcc.a showing up as having an unknown architecture.  See
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    ;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html>
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    ;; for instance.
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    (let ((args `(#:strip-binaries? #f
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                  ,@(package-arguments xgcc))))
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      (substitute-keyword-arguments args
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        ((#:configure-flags flags)
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         #~(append (list #$(string-append "--target=" target)
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                         #$@(if libc
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                                #~( ;; Disable libcilkrts because it is not
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                                   ;; ported to GNU/Hurd.
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                                   "--disable-libcilkrts"
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                                   ;; When building a cross compiler, --with-sysroot is
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                                   ;; implicitly set to "$gcc_tooldir/sys-root".  This does
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                                   ;; not work for us, because --with-native-system-header-dir
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                                   ;; is searched for relative to this location.  Thus, we set
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                                   ;; it to "/" so GCC is able to find the target libc headers.
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                                   ;; This is safe because in practice GCC uses CROSS_CPATH
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                                   ;; & co to separate target and host libraries.
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                                   "--with-sysroot=/")
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                                #~( ;; Disable features not needed at this stage.
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                                   "--disable-shared" "--enable-static"
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                                   "--enable-languages=c,c++"
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                                   ;; libstdc++ cannot be built at this stage
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                                   ;; ("Link tests are not allowed after
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                                   ;; GCC_NO_EXECUTABLES.").
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                                   "--disable-libstdc++-v3"
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                                   "--disable-threads" ;libgcc, would need libc
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                                   "--disable-libatomic"
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                                   "--disable-libmudflap"
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                                   "--disable-libgomp"
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                                   "--disable-libmpx"
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                                   "--disable-libssp"
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                                   "--disable-libquadmath"
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                                   "--disable-decimal-float" ;would need libc
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                                   "--disable-libcilkrts"
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                                   ;; When target is any OS other than 'none' these
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                                   ;; libraries will fail if there is no libc
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                                   ;; present. See
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                                   ;; <https://lists.gnu.org/archive/html/guix-devel/2016-02/msg01311.html>
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                                   "--disable-libitm"
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                                   "--disable-libvtv"
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                                   "--disable-libsanitizer"
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                                   ))
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                         ;; Install cross-built libraries such as libgcc_s.so in
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                         ;; the "lib" output.
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                         #$@(if libc
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                                #~((string-append "--with-toolexeclibdir="
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                                                  (assoc-ref %outputs "lib")
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                                                  "/" #$target "/lib"))
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                                #~())
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                         #$@(if (target-avr? target)
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                                #~("--enable-multilib")
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                                #~())
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                         #$@(if (and libc (target-avr? target))
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                                #~(;; By default GCC will attemp to compile
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                                   ;; some libraries for other languages (objc,
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                                   ;; fortran) but compilation fails for AVR.
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                                   "--enable-languages=c,c++"
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                                   (string-append "--with-native-system-header-dir="
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                                                  #$libc "/" #$target "/include"))
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                                #~()))
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                   (remove
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                     (lambda (flag)
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                       (or (and #$libc
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                                (string-prefix? "--enable-languages" flag))
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                           (and #$libc
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                                #$(target-avr? target)
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                                (string-prefix? "--with-native-system-header-dir"
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                                                flag))
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                           (and #$(target-avr? target)
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                                (string=? flag "--disable-multilib"))))
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                     #$flags)))
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        ((#:make-flags flags)
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         (if libc
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             #~(let ((libc (assoc-ref %build-inputs "libc"))
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                     (lib-prefix (if #$(target-avr? target)
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                                     (string-append "/" #$target)
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                                     "")))
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                ;; FLAGS_FOR_TARGET are needed for the target libraries to receive
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                ;; the -Bxxx for the startfiles.
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                 (cons (string-append "FLAGS_FOR_TARGET=-B"
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                                      libc lib-prefix "/lib")
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                       #$flags))
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             flags))
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        ((#:phases phases)
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         #~(cross-gcc-build-phases #$target #$phases))))))
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(define (cross-gcc-patches xgcc target)
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  "Return GCC patches needed for XGCC and TARGET."
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  (cond ((string-prefix? "xtensa-" target)
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         ;; Patch by Qualcomm needed to build the ath9k-htc firmware.
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         (search-patches "ath9k-htc-firmware-gcc.patch"))
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        ((target-mingw? target)
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         (append (search-patches "gcc-4.9.3-mingw-gthr-default.patch")
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                 (if (version>=? (package-version xgcc) "7.0")
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                     (search-patches "gcc-7-cross-mingw.patch")
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                     '())))
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        (else '())))
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(define (cross-gcc-snippet target)
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  "Return GCC snippet needed for TARGET."
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  `(begin
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     ,@(if (target-mingw? target)
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           '((copy-recursively "libstdc++-v3/config/os/mingw32-w64"
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                               "libstdc++-v3/config/os/newlib"))
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           '())
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     ;; TOOLDIR_BASE_PREFIX is erroneous when using a separate "lib"
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     ;; output. Specify it correctly, otherwise GCC won't find its shared
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     ;; libraries installed in the "lib" output.  See:
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     ;; https://lists.gnu.org/archive/html/bug-guix/2020-03/msg00196.html.
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     (substitute* "gcc/Makefile.in"
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       (("-DTOOLDIR_BASE_PREFIX=[^ ]*")
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        "-DTOOLDIR_BASE_PREFIX=\\\"../../../../\\\""))
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     #t))
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(define (cross-gcc-search-paths target)
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  "Return list of GCC search path specifications needed for TARGET."
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  (cons (search-path-specification
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          (variable "CROSS_LIBRARY_PATH")
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          (files `("lib" "lib64"
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                   ,@(list (string-append target "/lib")
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                           (string-append target "/lib64")))))
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        (map (lambda (variable)
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               (search-path-specification
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                 (variable variable)
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                 ;; Add 'include/c++' here so that <cstdlib>'s
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                 ;; "#include_next <stdlib.h>" finds GCC's
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                 ;; <stdlib.h>, not libc's.
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                 (files (match variable
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                          ("CROSS_CPLUS_INCLUDE_PATH"
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                           `("include/c++" "include"
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                             ,@(list (string-append target "/include/c++")
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                                     (string-append target "/include"))))
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                          (_
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                           `("include"
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                             ,(string-append target "/include")))))))
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             %gcc-cross-include-paths)))
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(define* (cross-gcc target
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                    #:key
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                    (xgcc %xgcc)
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                    (xbinutils (cross-binutils target))
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                    (libc #f))
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  "Return a cross-compiler for TARGET, where TARGET is a GNU triplet.  Use
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XGCC as the base compiler.  Use XBINUTILS as the associated cross-Binutils.
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If LIBC is false, then build a GCC that does not target a libc; otherwise,
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target that libc."
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  (package
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    (inherit xgcc)
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    (name (string-append "gcc-cross-"
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                         (if libc "" "sans-libc-")
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                         target))
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    (source
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     (origin
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       (inherit
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        (package-source xgcc))
 | 
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       (patches
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        (append
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         (origin-patches (package-source xgcc))
 | 
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         (append (cond
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                  ((version>=? (package-version xgcc) "12.0")
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                   (search-patches "gcc-12-cross-environment-variables.patch"
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                                   "gcc-cross-gxx-include-dir.patch"))
 | 
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                  ((version>=? (package-version xgcc) "10.0")
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                   (search-patches "gcc-10-cross-environment-variables.patch"
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                                   "gcc-cross-gxx-include-dir.patch"))
 | 
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                  ((version>=? (package-version xgcc) "8.0")
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                   (search-patches "gcc-8-cross-environment-variables.patch"))
 | 
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                  ((version>=? (package-version xgcc) "6.0")
 | 
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                   (search-patches "gcc-7-cross-toolexeclibdir.patch"
 | 
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                                   "gcc-6-cross-environment-variables.patch"))
 | 
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                  (else
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                   (search-patches "gcc-cross-environment-variables.patch")))
 | 
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                 (cross-gcc-patches xgcc target))))
 | 
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       (modules '((guix build utils)))
 | 
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       (snippet
 | 
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        (cross-gcc-snippet target))))
 | 
						||
 | 
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    (outputs '("out" "lib"))
 | 
						||
 | 
						||
    (arguments
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     `(#:implicit-inputs? #f
 | 
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       #:imported-modules ((gnu build cross-toolchain)
 | 
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                           ,@%gnu-build-system-modules)
 | 
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       #:modules ((guix build gnu-build-system)
 | 
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                  (guix build utils)
 | 
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                  (gnu build cross-toolchain)
 | 
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                  (srfi srfi-1)
 | 
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                  (srfi srfi-26)
 | 
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                  (ice-9 regex))
 | 
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 | 
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       ,@(cross-gcc-arguments target xgcc libc)))
 | 
						||
 | 
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    (native-inputs
 | 
						||
     `(("ld-wrapper-cross" ,(make-ld-wrapper
 | 
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                             (string-append "ld-wrapper-" target)
 | 
						||
                             #:target (const target)
 | 
						||
                             #:binutils xbinutils))
 | 
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       ("binutils-cross" ,xbinutils)
 | 
						||
 | 
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       ,@(let ((inputs (append (package-inputs xgcc)
 | 
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                               (fold alist-delete (%final-inputs)
 | 
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                                     '("libc" "libc:static"))
 | 
						||
 | 
						||
                               ;; Call it differently so that the builder can
 | 
						||
                               ;; check whether the "libc" input is #f.
 | 
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                               `(("libc-native"
 | 
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                                  ,@(assoc-ref (%final-inputs) "libc"))
 | 
						||
                                 ("libc-native:static"
 | 
						||
                                  ,@(assoc-ref (%final-inputs)
 | 
						||
                                               "libc:static"))))))
 | 
						||
           (cond
 | 
						||
            ((target-mingw? target)
 | 
						||
             (if libc
 | 
						||
                 `(,@inputs
 | 
						||
                   ("libc" ,libc))
 | 
						||
                 `(,@inputs
 | 
						||
                   ("mingw-source" ,(package-source mingw-w64)))))
 | 
						||
            ((and libc (target-avr? target))
 | 
						||
             `(,@inputs
 | 
						||
               ("libc" ,libc)))
 | 
						||
            (libc
 | 
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             `(,@inputs
 | 
						||
               ("libc" ,libc)
 | 
						||
               ("libc:static" ,libc "static")
 | 
						||
               ("xkernel-headers"       ;the target headers
 | 
						||
                ,@(assoc-ref (package-propagated-inputs libc)
 | 
						||
                             "kernel-headers"))))
 | 
						||
            (else inputs)))))
 | 
						||
 | 
						||
    (inputs '())
 | 
						||
 | 
						||
    ;; Only search target inputs, not host inputs.
 | 
						||
    (search-paths (cross-gcc-search-paths target))
 | 
						||
    (native-search-paths '())))
 | 
						||
 | 
						||
(define* (cross-kernel-headers . args)
 | 
						||
  (if (or (= (length args) 1) (contains-keyword? args))
 | 
						||
      (apply cross-kernel-headers* args)
 | 
						||
      (apply cross-kernel-headers/deprecated args)))
 | 
						||
 | 
						||
(define* (cross-kernel-headers/deprecated target
 | 
						||
                                          #:optional
 | 
						||
                                          (linux-headers linux-libre-headers)
 | 
						||
                                          (xgcc (cross-gcc target))
 | 
						||
                                          (xbinutils (cross-binutils target)))
 | 
						||
  (warning (G_ "'cross-kernel-headers' must be used with keyword arguments~%"))
 | 
						||
  (cross-kernel-headers* target
 | 
						||
                         #:linux-headers linux-headers
 | 
						||
                         #:xgcc xgcc
 | 
						||
                         #:xbinutils xbinutils))
 | 
						||
 | 
						||
(define* (cross-gnumach-headers target
 | 
						||
                                #:key
 | 
						||
                                (xgcc (cross-gcc target))
 | 
						||
                                (xbinutils (cross-binutils target)))
 | 
						||
  (package
 | 
						||
    (inherit gnumach-headers)
 | 
						||
    (name (string-append (package-name gnumach-headers)
 | 
						||
                         "-cross-" target))
 | 
						||
    (arguments
 | 
						||
     (substitute-keyword-arguments (package-arguments gnumach-headers)
 | 
						||
       ((#:phases phases #~%standard-phases)
 | 
						||
        #~(modify-phases #$phases
 | 
						||
            ;; Cheat by setting the host_cpu variable manually, since using
 | 
						||
            ;; --host= would require a working cross-compiler, which we don't
 | 
						||
            ;; have yet.
 | 
						||
            (add-after 'unpack 'substitute-host-cpu
 | 
						||
              (lambda _
 | 
						||
                (substitute* "configure.ac"
 | 
						||
                  (("AC_CANONICAL_HOST")
 | 
						||
                   #$(string-append
 | 
						||
                      "host_cpu="
 | 
						||
                      (match target
 | 
						||
                        ((? target-x86-32?)
 | 
						||
                         "i386")
 | 
						||
                        ((? target-x86-64?)
 | 
						||
                         "x86_64")))))))))))
 | 
						||
    (native-inputs
 | 
						||
     (modify-inputs (package-native-inputs gnumach-headers)
 | 
						||
       (prepend xgcc xbinutils)))))
 | 
						||
 | 
						||
(define* (cross-mig target
 | 
						||
                    #:key
 | 
						||
                    (xgcc (cross-gcc target))
 | 
						||
                    (xbinutils (cross-binutils target)))
 | 
						||
  "Return a cross-mig for TARGET, where TARGET is a GNU triplet.  Use XGCC as
 | 
						||
the base compiler.  Use XBINUTILS as the associated cross-Binutils."
 | 
						||
  (define xgnumach-headers
 | 
						||
    (cross-gnumach-headers target
 | 
						||
                           #:xgcc xgcc
 | 
						||
                           #:xbinutils xbinutils))
 | 
						||
  (package
 | 
						||
    (inherit mig)
 | 
						||
    (name (string-append "mig-cross"))
 | 
						||
    (arguments
 | 
						||
     (substitute-keyword-arguments (package-arguments mig)
 | 
						||
       ((#:configure-flags flags #~'())
 | 
						||
        #~(list #$(string-append "--target=" target)))
 | 
						||
       ((#:tests? _ #f)
 | 
						||
        #f)
 | 
						||
       ((#:phases phases #~%standard-phases)
 | 
						||
        #~(modify-phases #$phases
 | 
						||
            (add-before 'configure 'set-cross-headers-path
 | 
						||
              (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
                (let* ((mach #+xgnumach-headers)
 | 
						||
                       (cpath (string-append mach "/include")))
 | 
						||
                  (for-each (lambda (variable)
 | 
						||
                              (setenv variable cpath))
 | 
						||
                            '#$%gcc-cross-include-paths))))))))
 | 
						||
    (propagated-inputs
 | 
						||
     (list xgnumach-headers))
 | 
						||
    (native-inputs
 | 
						||
     (modify-inputs (package-native-inputs mig)
 | 
						||
       (prepend xgcc xbinutils)))))
 | 
						||
 | 
						||
(define* (cross-kernel-headers* target
 | 
						||
                                #:key
 | 
						||
                                (linux-headers linux-libre-headers)
 | 
						||
                                (xgcc (cross-gcc target))
 | 
						||
                                (xbinutils (cross-binutils target)))
 | 
						||
  "Return headers depending on TARGET."
 | 
						||
 | 
						||
  (define xlinux-headers
 | 
						||
    (package
 | 
						||
      (inherit linux-headers)
 | 
						||
      (name (string-append (package-name linux-headers)
 | 
						||
                           "-cross-" target))
 | 
						||
      (arguments
 | 
						||
       (substitute-keyword-arguments
 | 
						||
           `(#:implicit-cross-inputs? #f
 | 
						||
             ,@(package-arguments linux-headers))
 | 
						||
         ((#:phases phases)
 | 
						||
          `(modify-phases ,phases
 | 
						||
             (replace 'build
 | 
						||
               (lambda _
 | 
						||
                 (setenv "ARCH" ,(platform-linux-architecture
 | 
						||
                                  (lookup-platform-by-target target)))
 | 
						||
                 (format #t "`ARCH' set to `~a' (cross compiling)~%"
 | 
						||
                         (getenv "ARCH"))
 | 
						||
 | 
						||
                 (invoke "make" ,(system->defconfig target))
 | 
						||
                 (invoke "make" "mrproper"
 | 
						||
                         ,@(if (version>=? (package-version linux-headers) "5.3")
 | 
						||
                               '("headers")
 | 
						||
                               '("headers_check")))))))))
 | 
						||
      (native-inputs `(("cross-gcc" ,xgcc)
 | 
						||
                       ("cross-binutils" ,xbinutils)
 | 
						||
                       ,@(package-native-inputs linux-headers)))))
 | 
						||
 | 
						||
  (define xmig
 | 
						||
    (cross-mig target #:xgcc xgcc #:xbinutils xbinutils))
 | 
						||
 | 
						||
  (define xgnumach-headers
 | 
						||
    (cross-gnumach-headers target #:xgcc xgcc #:xbinutils xbinutils))
 | 
						||
 | 
						||
  (define xhurd-headers
 | 
						||
    (package
 | 
						||
      (inherit hurd-headers)
 | 
						||
      (name (string-append (package-name hurd-headers)
 | 
						||
                           "-cross-" target))
 | 
						||
 | 
						||
      (arguments
 | 
						||
       (substitute-keyword-arguments (package-arguments hurd-headers)
 | 
						||
         ((#:configure-flags flags)
 | 
						||
          `(cons* ,(string-append "--build=" (%current-system))
 | 
						||
                  ,(string-append "--host=" target)
 | 
						||
                  ,flags))))
 | 
						||
 | 
						||
      (native-inputs `(("cross-gcc" ,xgcc)
 | 
						||
                       ("cross-binutils" ,xbinutils)
 | 
						||
                       ("cross-mig" ,xmig)
 | 
						||
                       ,@(alist-delete "mig" (package-native-inputs hurd-headers))))))
 | 
						||
 | 
						||
  (define xglibc/hurd-headers
 | 
						||
    (package
 | 
						||
      (inherit glibc/hurd-headers)
 | 
						||
      (name (string-append (package-name glibc/hurd-headers)
 | 
						||
                           "-cross-" target))
 | 
						||
 | 
						||
      (arguments
 | 
						||
       (substitute-keyword-arguments
 | 
						||
           `(#:modules ((guix build gnu-build-system)
 | 
						||
                        (guix build utils)
 | 
						||
                        (srfi srfi-26))
 | 
						||
             ,@(package-arguments glibc/hurd-headers))
 | 
						||
         ((#:phases phases)
 | 
						||
          `(modify-phases ,phases
 | 
						||
             (add-after 'unpack 'set-cross-headers-path
 | 
						||
               (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
                 (let* ((mach (assoc-ref inputs "gnumach-headers"))
 | 
						||
                        (hurd (assoc-ref inputs "hurd-headers"))
 | 
						||
                        (cpath (string-append mach "/include:"
 | 
						||
                                              hurd "/include")))
 | 
						||
                   (for-each (cut setenv <> cpath)
 | 
						||
                             ',%gcc-cross-include-paths)
 | 
						||
                   #t)))))
 | 
						||
         ((#:configure-flags flags)
 | 
						||
          `(cons* ,(string-append "--build=" (%current-system))
 | 
						||
                  ,(string-append "--host=" target)
 | 
						||
                  ,flags))))
 | 
						||
 | 
						||
      (propagated-inputs `(("gnumach-headers" ,xgnumach-headers)
 | 
						||
                           ("hurd-headers" ,xhurd-headers)))
 | 
						||
 | 
						||
      (native-inputs `(("cross-gcc" ,xgcc)
 | 
						||
                       ("cross-binutils" ,xbinutils)
 | 
						||
                       ("cross-mig" ,xmig)
 | 
						||
                       ,@(alist-delete "mig"(package-native-inputs glibc/hurd-headers))))))
 | 
						||
 | 
						||
  (define xhurd-minimal
 | 
						||
    (package
 | 
						||
      (inherit hurd-minimal)
 | 
						||
      (name (string-append (package-name hurd-minimal)
 | 
						||
                           "-cross-" target))
 | 
						||
      (arguments
 | 
						||
       (substitute-keyword-arguments
 | 
						||
           `(#:modules ((guix build gnu-build-system)
 | 
						||
                        (guix build utils)
 | 
						||
                        (srfi srfi-26))
 | 
						||
             ,@(package-arguments hurd-minimal))
 | 
						||
         ((#:configure-flags flags)
 | 
						||
          `(cons* ,(string-append "--build=" (%current-system))
 | 
						||
                  ,(string-append "--host=" target)
 | 
						||
                  ,flags))
 | 
						||
         ((#:phases phases)
 | 
						||
          #~(modify-phases #$phases
 | 
						||
              (add-after 'unpack 'delete-shared-target
 | 
						||
                ;; Cannot create shared libraries due to missing crt1.o
 | 
						||
                (lambda _
 | 
						||
                  (substitute* "Makeconf"
 | 
						||
                    (("(targets := \\$\\(libname\\)\\.a) \\$\\(libname\\)\\.so" all static)
 | 
						||
                     static)
 | 
						||
                    (("\\$\\(DESTDIR\\)\\$\\(libdir\\)/\\$\\(libname\\)\\.so\\.\\$\\(hurd-version\\)")
 | 
						||
                     "")
 | 
						||
                    (("^libs: .*\\.so\\..*" all)
 | 
						||
                     (string-append "# " all)))))
 | 
						||
             (add-before 'configure 'set-cross-headers-path
 | 
						||
               (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
                 (let* ((glibc-headers (assoc-ref inputs "cross-glibc-hurd-headers"))
 | 
						||
                        (mach-headers (assoc-ref inputs "cross-gnumach-headers"))
 | 
						||
                        (cpath (string-append glibc-headers "/include"
 | 
						||
                                              ":" mach-headers "/include")))
 | 
						||
                   (for-each (cut setenv <> cpath)
 | 
						||
                             '#$%gcc-cross-include-paths)
 | 
						||
                   #t)))))))
 | 
						||
 | 
						||
      (inputs `(("cross-glibc-hurd-headers" ,xglibc/hurd-headers)
 | 
						||
                ("cross-gnumach-headers" ,xgnumach-headers)))
 | 
						||
 | 
						||
      (native-inputs `(("cross-gcc" ,xgcc)
 | 
						||
                       ("cross-binutils" ,xbinutils)
 | 
						||
                       ("cross-mig" ,xmig)
 | 
						||
                       ,@(alist-delete "mig"
 | 
						||
                                       (package-native-inputs hurd-minimal))))))
 | 
						||
 | 
						||
  (define xhurd-core-headers
 | 
						||
    (package
 | 
						||
      (inherit hurd-core-headers)
 | 
						||
      (name (string-append (package-name hurd-core-headers)
 | 
						||
                           "-cross-" target))
 | 
						||
 | 
						||
      (inputs `(("gnumach-headers" ,xgnumach-headers)
 | 
						||
                ("hurd-headers" ,xhurd-headers)
 | 
						||
                ("hurd-minimal" ,xhurd-minimal)))))
 | 
						||
 | 
						||
  (match target
 | 
						||
    ((or "i586-pc-gnu" "i586-gnu") xhurd-core-headers)
 | 
						||
    (_ xlinux-headers)))
 | 
						||
 | 
						||
(define* (cross-libc . args)
 | 
						||
  (if (or (= (length args) 1) (contains-keyword? args))
 | 
						||
      (apply cross-libc* args)
 | 
						||
      (apply cross-libc/deprecated args)))
 | 
						||
 | 
						||
(define* (cross-libc/deprecated target
 | 
						||
                                #:optional
 | 
						||
                                (libc (libc-for-target target))
 | 
						||
                                (xgcc (cross-gcc target))
 | 
						||
                                (xbinutils (cross-binutils target))
 | 
						||
                                (xheaders (cross-kernel-headers target)))
 | 
						||
  (warning (G_ "'cross-libc' must be used with keyword arguments~%"))
 | 
						||
  (cross-libc* target
 | 
						||
               #:libc libc
 | 
						||
               #:xgcc xgcc
 | 
						||
               #:xbinutils xbinutils
 | 
						||
               #:xheaders xheaders))
 | 
						||
 | 
						||
(define* (cross-libc* target
 | 
						||
                      #:key
 | 
						||
                      (libc (libc-for-target target))
 | 
						||
                      (xgcc (cross-gcc target))
 | 
						||
                      (xbinutils (cross-binutils target))
 | 
						||
                      (xheaders (cross-kernel-headers target)))
 | 
						||
  "Return LIBC cross-built for TARGET, a GNU triplet. Use XGCC and XBINUTILS
 | 
						||
and the cross tool chain.  If TARGET doesn't have a standard C library #f is
 | 
						||
returned."
 | 
						||
  (match target
 | 
						||
   ((? target-mingw?)
 | 
						||
    (let ((machine (substring target 0 (string-index target #\-))))
 | 
						||
      (make-mingw-w64 machine
 | 
						||
                      #:xgcc xgcc
 | 
						||
                      #:xbinutils xbinutils)))
 | 
						||
   ((or (? target-linux?) (? target-hurd?))
 | 
						||
    (package
 | 
						||
      (inherit libc)
 | 
						||
      (name (string-append "glibc-cross-" target))
 | 
						||
      (arguments
 | 
						||
       (substitute-keyword-arguments
 | 
						||
         `(;; Disable stripping (see above.)
 | 
						||
           #:strip-binaries? #f
 | 
						||
 | 
						||
           ;; This package is used as a target input, but it should not have
 | 
						||
           ;; the usual cross-compilation inputs since that would include
 | 
						||
           ;; itself.
 | 
						||
           #:implicit-cross-inputs? #f
 | 
						||
 | 
						||
           ;; We need SRFI 26.
 | 
						||
           #:modules ((guix build gnu-build-system)
 | 
						||
                      (guix build utils)
 | 
						||
                      (srfi srfi-26))
 | 
						||
 | 
						||
           ,@(package-arguments libc))
 | 
						||
         ((#:configure-flags flags)
 | 
						||
          `(cons ,(string-append "--host=" target)
 | 
						||
                 ,(if (target-hurd? target)
 | 
						||
                      `(append (list "--disable-werror"
 | 
						||
                                     ,@%glibc/hurd-configure-flags)
 | 
						||
                               ,flags)
 | 
						||
                      flags)))
 | 
						||
         ((#:phases phases)
 | 
						||
          `(modify-phases ,phases
 | 
						||
             (add-before 'configure 'set-cross-kernel-headers-path
 | 
						||
               (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
                 (let* ((kernel (assoc-ref inputs "kernel-headers"))
 | 
						||
                        (cpath (string-append kernel "/include")))
 | 
						||
                   (for-each (cut setenv <> cpath)
 | 
						||
                             ',%gcc-cross-include-paths)
 | 
						||
                   (setenv "CROSS_LIBRARY_PATH"
 | 
						||
                              (string-append kernel "/lib")) ; for Hurd's libihash
 | 
						||
                      #t)))
 | 
						||
             ,@(if (target-hurd? target)
 | 
						||
                   '((add-after 'install 'augment-libc.so
 | 
						||
                       (lambda* (#:key outputs #:allow-other-keys)
 | 
						||
                         (let* ((out (assoc-ref outputs "out")))
 | 
						||
                           (substitute* (string-append out "/lib/libc.so")
 | 
						||
                             (("/[^ ]+/lib/libc.so.0.3")
 | 
						||
                              (string-append out "/lib/libc.so.0.3"
 | 
						||
                                             " libmachuser.so libhurduser.so"))))
 | 
						||
                         #t)))
 | 
						||
                   '())))))
 | 
						||
 | 
						||
      ;; Shadow the native "kernel-headers" because glibc's recipe expects the
 | 
						||
      ;; "kernel-headers" input to point to the right thing.
 | 
						||
      (propagated-inputs `(("kernel-headers" ,xheaders)))
 | 
						||
 | 
						||
      (native-inputs `(("cross-gcc" ,xgcc)
 | 
						||
                       ("cross-binutils" ,xbinutils)
 | 
						||
                       ,@(if (target-hurd? target)
 | 
						||
                             `(("cross-mig"
 | 
						||
                                ,(cross-mig target
 | 
						||
                                            #:xgcc xgcc
 | 
						||
                                            #:xbinutils xbinutils)))
 | 
						||
                             '())
 | 
						||
                       ,@(package-inputs libc) ;FIXME: static-bash
 | 
						||
                       ,@(package-native-inputs libc)))))
 | 
						||
   ((? target-avr?)
 | 
						||
    (make-avr-libc #:xbinutils xbinutils
 | 
						||
                   #:xgcc xgcc))
 | 
						||
   (else #f)))
 | 
						||
 | 
						||
(define* (cross-gcc-toolchain/implementation target
 | 
						||
                                             #:key
 | 
						||
                                             (base-gcc %xgcc)
 | 
						||
                                             (xbinutils (cross-binutils target))
 | 
						||
                                             (libc (cross-libc
 | 
						||
                                                     target
 | 
						||
                                                     #:xgcc (cross-gcc target #:xgcc base-gcc)
 | 
						||
                                                     #:xbinutils xbinutils))
 | 
						||
                                             (xgcc (cross-gcc target
 | 
						||
                                                              #:xgcc base-gcc
 | 
						||
                                                              #:libc libc
 | 
						||
                                                              #:xbinutils xbinutils)))
 | 
						||
  "Returns PACKAGE that contains a cross-compilation tool chain for TARGET
 | 
						||
with XBINUTILS, XGCC and LIBC (if exists for TARGET)."
 | 
						||
  (package
 | 
						||
    ;; Using PACKAGE-NAME of XGCC is avoided here as there are platforms that
 | 
						||
    ;; still need a toolchain but don't have a libc (e.g. or1k-elf).
 | 
						||
    (name (string-append "gcc-cross-" target "-toolchain"))
 | 
						||
    (version (package-version xgcc))
 | 
						||
    (source #f)
 | 
						||
    (build-system trivial-build-system)
 | 
						||
    (arguments
 | 
						||
     (list #:modules '((guix build union))
 | 
						||
           #:builder
 | 
						||
           #~(begin
 | 
						||
               (use-modules (ice-9 match)
 | 
						||
                            (guix build union))
 | 
						||
 | 
						||
               (match %build-inputs
 | 
						||
                 (((names . directory) ...)
 | 
						||
                  (union-build #$output directory))))))
 | 
						||
    (inputs `(,xbinutils ,xgcc ,@(if libc (list libc) '())))
 | 
						||
    (home-page (package-home-page xgcc))
 | 
						||
    (synopsis
 | 
						||
     (format #f "Complete GCC tool chain for C/C++ development (~a)" target))
 | 
						||
    (description "This package provides a complete GCC cross toolchain for
 | 
						||
C/C++ development to be installed in user profiles.  This includes GCC, as
 | 
						||
well as libc (headers and binariesl), and Binutils.  GCC is the GNU Compiler
 | 
						||
Collection.")
 | 
						||
    (license (delete-duplicates `(,(package-license xgcc)
 | 
						||
                                  ,(package-license xbinutils)
 | 
						||
                                  ,@(if libc
 | 
						||
                                        (list (package-license libc))
 | 
						||
                                        '()))))))
 | 
						||
 | 
						||
(define cross-gcc-toolchain
 | 
						||
  (memoize cross-gcc-toolchain/implementation))
 | 
						||
 | 
						||
 | 
						||
;;; Concrete cross tool chains are instantiated like this:
 | 
						||
;;
 | 
						||
;; (define-public xgcc-armhf
 | 
						||
;;   (let ((triplet "arm-linux-gnueabihf"))
 | 
						||
;;     (cross-gcc triplet
 | 
						||
;;                #:xbinutils (cross-binutils triplet)
 | 
						||
;;                #:libc (cross-libc triplet))))
 | 
						||
;;
 | 
						||
;;; We don't do that here because we'd be referring to bindings from (gnu
 | 
						||
;;; packages gcc) from the top level, which doesn't play well with circular
 | 
						||
;;; dependencies among modules.
 |