537 lines
23 KiB
Scheme
537 lines
23 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 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 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>
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;;; Copyright © 2019 Marius Bakke <mbakke@fastmail.com>
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;;; Copyright © 2019 Carl Dong <contact@carldong.me>
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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 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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(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/30756> for why not 'C_INCLUDE_PATH' & co.
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'("CPATH"))
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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 (package-with-patch original patch)
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"Return package ORIGINAL with PATCH applied."
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(package (inherit original)
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(source (origin (inherit (package-source original))
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(patches (list patch))))))
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(define (cross-binutils target)
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"Return a cross-Binutils for TARGET."
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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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;; For Xtensa, apply Qualcomm's patch.
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(cross (if (string-prefix? "xtensa-" target)
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(package-with-patch binutils
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(search-patch
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"ath9k-htc-firmware-binutils.patch"))
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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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;; 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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,(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
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,target
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(modify-phases ,phases
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(add-before 'configure 'treat-glibc-as-system-header
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(lambda* (#:key inputs #:allow-other-keys)
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(let ((libc (assoc-ref inputs "libc")))
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(when libc
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;; For GCC6 and later, make sure Glibc is treated as a "system
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;; header" such that #include_next does the right thing.
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(for-each (lambda (var)
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(setenv var (string-append libc "/include")))
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'("CROSS_C_INCLUDE_PATH" "CROSS_CPLUS_INCLUDE_PATH")))
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#t))))))))))
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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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(cond ((target-mingw? target)
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'(begin
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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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#t))
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(else #f)))
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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 (origin (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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(cons (cond
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((version>=? (package-version xgcc) "8.0") (search-patch "gcc-8-cross-environment-variables.patch"))
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((version>=? (package-version xgcc) "6.0") (search-patch "gcc-6-cross-environment-variables.patch"))
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(else (search-patch "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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;; For simplicity, use a single output. Otherwise libgcc_s & co. are not
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;; found by default, etc.
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(outputs '("out"))
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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))
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("binutils-cross" ,xbinutils)
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;; Call it differently so that the builder can check whether the "libc"
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;; input is #f.
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("libc-native" ,@(assoc-ref (%final-inputs) "libc"))
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;; Remaining inputs.
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,@(let ((inputs (append (package-inputs xgcc)
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(alist-delete "libc" (%final-inputs)))))
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(cond
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((target-mingw? target)
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(if libc
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`(("libc" ,libc)
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,@inputs)
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`(("mingw-source" ,(package-source mingw-w64))
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,@inputs)))
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(libc
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`(("libc" ,libc)
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("libc:static" ,libc "static")
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("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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,@inputs))
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(else inputs)))))
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(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")))
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(map (lambda (variable)
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(search-path-specification
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(variable variable)
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(files '("include"))))
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%gcc-cross-include-paths)))
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(native-search-paths '())))
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(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))))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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,@(package-native-inputs linux-headers)))))
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(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))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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,@(package-native-inputs gnumach-headers)))))
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(define xmig
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(package (inherit mig)
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(name (string-append "mig-cross"))
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(arguments
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`(#:modules ((guix build gnu-build-system)
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(guix build utils)
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(srfi srfi-26))
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#:phases (modify-phases %standard-phases
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(add-before 'configure 'set-cross-headers-path
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(lambda* (#:key inputs #:allow-other-keys)
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(let* ((mach (assoc-ref inputs "cross-gnumach-headers"))
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(cpath (string-append mach "/include")))
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(for-each (cut setenv <> cpath)
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',%gcc-cross-include-paths)
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#t))))
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#:configure-flags (list ,(string-append "--target=" target))
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,@(package-arguments mig)))
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(propagated-inputs `(("cross-gnumach-headers" ,xgnumach-headers)))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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,@(package-native-inputs mig)))))
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(define xhurd-headers
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(package (inherit hurd-headers)
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(name (string-append (package-name hurd-headers)
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"-cross-" target))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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("cross-mig" ,xmig)
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,@(alist-delete "mig"(package-native-inputs hurd-headers))))))
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(define xglibc/hurd-headers
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(package (inherit glibc/hurd-headers)
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(name (string-append (package-name glibc/hurd-headers)
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"-cross-" target))
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(arguments
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(substitute-keyword-arguments
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`(#:modules ((guix build gnu-build-system)
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(guix build utils)
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(srfi srfi-26))
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,@(package-arguments glibc/hurd-headers))
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((#:phases phases)
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`(modify-phases ,phases
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(add-after 'unpack 'set-cross-headers-path
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(lambda* (#:key inputs #:allow-other-keys)
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(let* ((mach (assoc-ref inputs "gnumach-headers"))
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(hurd (assoc-ref inputs "hurd-headers"))
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(cpath (string-append mach "/include:"
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hurd "/include")))
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(for-each (cut setenv <> cpath)
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',%gcc-cross-include-paths)
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#t)))))))
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(propagated-inputs `(("gnumach-headers" ,xgnumach-headers)
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("hurd-headers" ,xhurd-headers)))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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("cross-mig" ,xmig)
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,@(alist-delete "mig"(package-native-inputs glibc/hurd-headers))))))
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(define xhurd-minimal
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(package (inherit hurd-minimal)
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(name (string-append (package-name hurd-minimal)
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"-cross-" target))
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(arguments
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(substitute-keyword-arguments
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`(#:modules ((guix build gnu-build-system)
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(guix build utils)
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(srfi srfi-26))
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,@(package-arguments hurd-minimal))
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((#:phases phases)
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`(modify-phases ,phases
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(add-before 'configure 'set-cross-headers-path
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(lambda* (#:key inputs #:allow-other-keys)
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(let* ((glibc-headers (assoc-ref inputs "cross-glibc-hurd-headers"))
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(cpath (string-append glibc-headers "/include")))
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(for-each (cut setenv <> cpath)
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',%gcc-cross-include-paths)
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#t)))))))
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(inputs `(("cross-glibc-hurd-headers" ,xglibc/hurd-headers)))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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("cross-mig" ,xmig)
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,@(alist-delete "mig"(package-native-inputs hurd-minimal))))))
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(define xhurd-core-headers
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(package (inherit hurd-core-headers)
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(name (string-append (package-name hurd-core-headers)
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"-cross-" target))
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(inputs `(("gnumach-headers" ,xgnumach-headers)
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("hurd-headers" ,xhurd-headers)
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("hurd-minimal" ,xhurd-minimal)))
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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("cross-mig" ,xmig)
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,@(package-native-inputs hurd-core-headers)))))
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(match target
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((or "i586-pc-gnu" "i586-gnu") xhurd-core-headers)
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(_ xlinux-headers)))
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(define* (cross-libc target
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#:optional
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(libc glibc)
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(xgcc (cross-gcc target))
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(xbinutils (cross-binutils target))
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(xheaders (cross-kernel-headers target)))
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"Return LIBC cross-built for TARGET, a GNU triplet. Use XGCC and XBINUTILS
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and the cross tool chain."
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(if (cross-newlib? target libc)
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(native-libc target libc)
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(let ((libc libc))
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(package (inherit libc)
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(name (string-append "glibc-cross-" target))
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(arguments
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||
(substitute-keyword-arguments
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`(;; Disable stripping (see above.)
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#:strip-binaries? #f
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||
;; 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)))))))
|
||
|
||
;; 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 '())
|
||
|
||
(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))
|
||
(if (target-mingw? target)
|
||
(let ((machine (substring target 0 (string-index target #\-))))
|
||
(make-mingw-w64 machine))
|
||
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.
|