* gnu/packages/cross-base.scm (cross-gcc-arguments): Add "--with-long-double-128" when TARGET is "powerpc64le-linux-gnu". * gnu/packages/commencement.scm (gcc-boot0): Likewise for (boot-triplet). Signed-off-by: Ludovic Courtès <ludo@gnu.org>
		
			
				
	
	
		
			595 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			595 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
 | ||
| ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2020 Ludovic Courtès <ludo@gnu.org>
 | ||
| ;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
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| ;;; Copyright © 2016, 2019 Jan (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>
 | ||
| ;;; Copyright © 2019, 2020 Marius Bakke <mbakke@fastmail.com>
 | ||
| ;;; Copyright © 2019 Carl Dong <contact@carldong.me>
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| ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
 | ||
| ;;;
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| ;;; 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.
 | ||
| ;;;
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| ;;; 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.
 | ||
| ;;;
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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 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 packages)
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|   #:use-module (guix download)
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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 (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-newlib?
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|             cross-kernel-headers))
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| (define* (cross-binutils target #:optional (binutils binutils))
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|   "Return a cross-Binutils for TARGET using BINUTILS."
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|   (let ((binutils (package (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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| 
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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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|                    binutils
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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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| 
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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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| 
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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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| 
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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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| 
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|                               ,@(if (equal? "powerpc64le-linux-gnu" target)
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|                                    ;; On POWER9 (little endian) glibc needs
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|                                    ;; the 128-bit long double type.
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|                                    '("--with-long-double-128")
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|                                    '())
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| 
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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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| 
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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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|                        ;; For a newlib (non-glibc) target
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|                        ,@(if (cross-newlib? target)
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|                              '("--with-newlib")
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|                              '()))
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| 
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|                  ,(if libc
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|                       flags
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|                       `(remove (cut string-match "--enable-languages.*" <>)
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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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|                ;; 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" libc "/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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| 
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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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| 
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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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| 
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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 (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 (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) "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"))
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| 
 | ||
|     (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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| 
 | ||
|        ,@(cross-gcc-arguments target xgcc libc)))
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| 
 | ||
|     (native-inputs
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|      `(("ld-wrapper-cross" ,(make-ld-wrapper
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|                              (string-append "ld-wrapper-" target)
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|                              #:target (const target)
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|                              #:binutils xbinutils))
 | ||
|        ("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"))
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| 
 | ||
|                                ;; Call it differently so that the builder can
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|                                ;; check whether the "libc" input is #f.
 | ||
|                                `(("libc-native"
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|                                   ,@(assoc-ref (%final-inputs) "libc"))
 | ||
|                                  ("libc-native:static"
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|                                   ,@(assoc-ref (%final-inputs)
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|                                                "libc:static"))))))
 | ||
|            (cond
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|             ((target-mingw? target)
 | ||
|              (if libc
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|                  `(,@inputs
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|                    ("libc" ,libc))
 | ||
|                  `(,@inputs
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|                    ("mingw-source" ,(package-source mingw-w64)))))
 | ||
|             (libc
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|              `(,@inputs
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|                ("libc" ,libc)
 | ||
|                ("libc:static" ,libc "static")
 | ||
|                ("xkernel-headers"                ;the target headers
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|                 ,@(assoc-ref (package-propagated-inputs libc)
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|                              "kernel-headers"))))
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|             (else inputs)))))
 | ||
| 
 | ||
|     (inputs '())
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| 
 | ||
|     ;; Only search target inputs, not host inputs.
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|     (search-paths (cons (search-path-specification
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|                          (variable "CROSS_LIBRARY_PATH")
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|                          (files '("lib" "lib64")))
 | ||
|                         (map (lambda (variable)
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|                                (search-path-specification
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|                                 (variable variable)
 | ||
| 
 | ||
|                                 ;; 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.
 | ||
|                                 (files (match variable
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|                                          ("CROSS_CPLUS_INCLUDE_PATH"
 | ||
|                                           '("include/c++" "include"))
 | ||
|                                          (_
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|                                           '("include"))))))
 | ||
|                              %gcc-cross-include-paths)))
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|     (native-search-paths '())))
 | ||
| 
 | ||
| (define* (cross-kernel-headers target
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|                                #:optional
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|                                (linux-headers linux-libre-headers)
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|                                (xgcc (cross-gcc target))
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|                                (xbinutils (cross-binutils target)))
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|   "Return headers depending on TARGET."
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| 
 | ||
|   (define xlinux-headers
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|     (package (inherit linux-headers)
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|       (name (string-append (package-name linux-headers)
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|                            "-cross-" target))
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|       (arguments
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|        (substitute-keyword-arguments
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|            `(#:implicit-cross-inputs? #f
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|              ,@(package-arguments linux-headers))
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|          ((#:phases phases)
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|           `(alist-replace
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|             'build
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|             (lambda _
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|               (setenv "ARCH" ,(system->linux-architecture target))
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|               (format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH"))
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| 
 | ||
|               (invoke "make" ,(system->defconfig target))
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|               (invoke "make" "mrproper" "headers_check"))
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|             ,phases))))
 | ||
|       (native-inputs `(("cross-gcc" ,xgcc)
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|                        ("cross-binutils" ,xbinutils)
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|                        ,@(package-native-inputs linux-headers)))))
 | ||
| 
 | ||
|   (define xgnumach-headers
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|     (package (inherit gnumach-headers)
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|       (name (string-append (package-name gnumach-headers)
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|                            "-cross-" target))
 | ||
| 
 | ||
|       (native-inputs `(("cross-gcc" ,xgcc)
 | ||
|                        ("cross-binutils" ,xbinutils)
 | ||
|                        ,@(package-native-inputs gnumach-headers)))))
 | ||
| 
 | ||
|   (define xmig
 | ||
|     (package (inherit mig)
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|       (name (string-append "mig-cross"))
 | ||
|       (arguments
 | ||
|        `(#:modules ((guix build gnu-build-system)
 | ||
|                     (guix build utils)
 | ||
|                     (srfi srfi-26))
 | ||
|          #:phases (modify-phases %standard-phases
 | ||
|                     (add-before 'configure 'set-cross-headers-path
 | ||
|                       (lambda* (#:key inputs #:allow-other-keys)
 | ||
|                         (let* ((mach (assoc-ref inputs "cross-gnumach-headers"))
 | ||
|                                (cpath (string-append mach "/include")))
 | ||
|                           (for-each (cut setenv <> cpath)
 | ||
|                                     ',%gcc-cross-include-paths)
 | ||
|                           #t))))
 | ||
|          #:configure-flags (list ,(string-append "--target=" target))
 | ||
|          #:tests? #f))
 | ||
| 
 | ||
|       (propagated-inputs `(("cross-gnumach-headers" ,xgnumach-headers)))
 | ||
|       (native-inputs `(("cross-gcc" ,xgcc)
 | ||
|                        ("cross-binutils" ,xbinutils)
 | ||
|                        ,@(package-native-inputs mig)))))
 | ||
| 
 | ||
|   (define xhurd-headers
 | ||
|     (package (inherit hurd-headers)
 | ||
|       (name (string-append (package-name hurd-headers)
 | ||
|                            "-cross-" target))
 | ||
| 
 | ||
|       (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)))))))
 | ||
| 
 | ||
|       (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))
 | ||
|          ((#:phases phases)
 | ||
|           `(modify-phases ,phases
 | ||
|              (add-before 'configure 'set-cross-headers-path
 | ||
|                (lambda* (#:key inputs #:allow-other-keys)
 | ||
|                  (let* ((glibc-headers (assoc-ref inputs "cross-glibc-hurd-headers"))
 | ||
|                         (cpath (string-append glibc-headers "/include")))
 | ||
|                    (for-each (cut setenv <> cpath)
 | ||
|                              ',%gcc-cross-include-paths)
 | ||
|                    #t)))))))
 | ||
| 
 | ||
|       (inputs `(("cross-glibc-hurd-headers" ,xglibc/hurd-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)))
 | ||
| 
 | ||
|       (native-inputs `(("cross-gcc" ,xgcc)
 | ||
|                        ("cross-binutils" ,xbinutils)
 | ||
|                        ("cross-mig" ,xmig)
 | ||
|                        ,@(package-native-inputs hurd-core-headers)))))
 | ||
| 
 | ||
|   (match target
 | ||
|     ((or "i586-pc-gnu" "i586-gnu") xhurd-core-headers)
 | ||
|     (_ xlinux-headers)))
 | ||
| 
 | ||
| (define* (cross-libc target
 | ||
|                      #:optional
 | ||
|                      (libc glibc)
 | ||
|                      (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 (cross-newlib? target libc)
 | ||
|       (native-libc target libc
 | ||
|                    #:xgcc xgcc
 | ||
|                    #:xbinutils xbinutils)
 | ||
|       (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 (hurd-triplet? target)
 | ||
|                         `(cons "--disable-werror" ,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 (hurd-triplet? 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))
 | ||
|                        ;; TODO: move to glibc in the next rebuild cycle
 | ||
|                        (add-after 'unpack 'patch-libc/hurd
 | ||
|                          (lambda* (#:key inputs #:allow-other-keys)
 | ||
|                            (for-each
 | ||
|                             (lambda (name)
 | ||
|                               (let ((patch (assoc-ref inputs name)))
 | ||
|                                 (invoke "patch" "-p1" "--force" "-i" patch)))
 | ||
|                             '("hurd-mach-print.patch"
 | ||
|                               "hurd-gettyent.patch")))))
 | ||
|                      '())))))
 | ||
| 
 | ||
|         ;; 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)))
 | ||
| 
 | ||
|         ;; FIXME: 'static-bash' should really be an input, not a native input, but
 | ||
|         ;; to do that will require building an intermediate cross libc.
 | ||
|         (inputs (if (hurd-triplet? target)
 | ||
|                     `(;; TODO: move to glibc in the next rebuild cycle
 | ||
|                       ("hurd-mach-print.patch"
 | ||
|                        ,(search-patch "glibc-hurd-mach-print.patch"))
 | ||
|                       ("hurd-gettyent.patch"
 | ||
|                        ,(search-patch "glibc-hurd-gettyent.patch")))
 | ||
|                     '()))
 | ||
| 
 | ||
|         (native-inputs `(("cross-gcc" ,xgcc)
 | ||
|                          ("cross-binutils" ,xbinutils)
 | ||
|                          ,@(if (hurd-triplet? target)
 | ||
|                                `(("cross-mig"
 | ||
|                                   ,@(assoc-ref (package-native-inputs xheaders)
 | ||
|                                                "cross-mig")))
 | ||
|                                '())
 | ||
|                          ,@(package-inputs libc)  ;FIXME: static-bash
 | ||
|                          ,@(package-native-inputs libc))))))
 | ||
| 
 | ||
| (define* (native-libc target
 | ||
|                      #:optional
 | ||
|                      (libc glibc)
 | ||
|                      #:key
 | ||
|                      xgcc
 | ||
|                      xbinutils)
 | ||
|   (if (target-mingw? target)
 | ||
|       (let ((machine (substring target 0 (string-index target #\-))))
 | ||
|         (make-mingw-w64 machine
 | ||
|                         #:xgcc xgcc
 | ||
|                         #:xbinutils xbinutils))
 | ||
|       libc))
 | ||
| 
 | ||
| (define* (cross-newlib? target
 | ||
|                        #:optional
 | ||
|                        (libc glibc))
 | ||
|   (not (eq? (native-libc target libc) libc)))
 | ||
| 
 | ||
| 
 | ||
| ;;; 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.
 |