0158ca7fdd
Fixes a regression introduced in
commit efc4eb1475.
* gnu/packages/cross-base.scm (cross-libc)[arguments]: Add (srfi
srfi-26).
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
401 lines
17 KiB
Scheme
401 lines
17 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
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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 (guix licenses)
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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 commencement)
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#:use-module (gnu packages linux)
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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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#:export (cross-binutils
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cross-libc
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cross-gcc))
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(define %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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gcc)
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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 libc)
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"Return build system arguments for a cross-gcc for TARGET, using LIBC (which
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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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`( ;; 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-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 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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(let ((phases
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`(alist-cons-after
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'install 'make-cross-binutils-visible
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(lambda* (#:key outputs inputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(libexec (string-append out "/libexec/gcc/"
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,target))
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(binutils (string-append
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(assoc-ref inputs "binutils-cross")
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"/bin/" ,target "-"))
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(wrapper (string-append
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(assoc-ref inputs "ld-wrapper-cross")
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"/bin/" ,target "-ld")))
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(for-each (lambda (file)
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(symlink (string-append binutils file)
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(string-append libexec "/"
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file)))
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'("as" "nm"))
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(symlink wrapper (string-append libexec "/ld"))
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#t))
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(alist-replace
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'install
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(lambda _
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;; Unlike our 'strip' phase, this will do the right thing
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;; for cross-compilers.
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(zero? (system* "make" "install-strip")))
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,phases))))
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(if libc
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`(alist-cons-before
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'configure 'set-cross-path
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(lambda* (#:key inputs #:allow-other-keys)
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;; Add the cross kernel headers to CROSS_CPATH, and remove them
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;; from CPATH.
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(let ((libc (assoc-ref inputs "libc"))
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(kernel (assoc-ref inputs "xkernel-headers")))
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(define (cross? x)
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;; Return #t if X is a cross-libc or cross Linux.
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(or (string-prefix? libc x)
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(string-prefix? kernel x)))
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(let ((cpath (string-append
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libc "/include"
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":" kernel "/include")))
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(for-each (cut setenv <> cpath)
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'("CROSS_C_INCLUDE_PATH"
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"CROSS_CPLUS_INCLUDE_PATH"
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"CROSS_OBJC_INCLUDE_PATH"
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"CROSS_OBJCPLUS_INCLUDE_PATH")))
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(setenv "CROSS_LIBRARY_PATH"
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(string-append libc "/lib"))
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(for-each
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(lambda (var)
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(and=> (getenv var)
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(lambda (value)
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(let* ((path (search-path-as-string->list value))
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(native-path (list->search-path-as-string
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(remove cross? path) ":")))
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(setenv var native-path)))))
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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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"LIBRARY_PATH"))
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#t))
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,phases)
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phases)))))))
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(define (cross-gcc-patches target)
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"Return GCC patches needed for 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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(else '())))
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(define* (cross-gcc target
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#:optional (xbinutils (cross-binutils target)) libc)
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"Return a cross-compiler for TARGET, where TARGET is a GNU triplet. Use
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XBINUTILS as the associated cross-Binutils. If LIBC is false, then build a
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GCC that does not target a libc; otherwise, 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 (search-patch "gcc-cross-environment-variables.patch")
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(cross-gcc-patches 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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#:modules ((guix build gnu-build-system)
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(guix build utils)
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(ice-9 regex)
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(srfi srfi-1)
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(srfi srfi-26))
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,@(cross-gcc-arguments target 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 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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(if libc
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`(("libc" ,libc)
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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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inputs))))
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(inputs '())
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;; Only search target inputs, not host inputs.
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;; Note: See <http://bugs.gnu.org/22186> for why not 'CPATH'.
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(search-paths
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(list (search-path-specification
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(variable "CROSS_C_INCLUDE_PATH")
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(files '("include")))
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(search-path-specification
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(variable "CROSS_CPLUS_INCLUDE_PATH")
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(files '("include")))
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(search-path-specification
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(variable "CROSS_OBJC_INCLUDE_PATH")
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(files '("include")))
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(search-path-specification
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(variable "CROSS_OBJCPLUS_INCLUDE_PATH")
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(files '("include")))
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(search-path-specification
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(variable "CROSS_LIBRARY_PATH")
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(files '("lib" "lib64")))))
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(native-search-paths '())))
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(define* (cross-libc target
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#:optional
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(xgcc (cross-gcc target))
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(xbinutils (cross-binutils target)))
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"Return a libc cross-built for TARGET, a GNU triplet. Use XGCC and
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XBINUTILS and the cross tool chain."
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(define xlinux-headers
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(package (inherit linux-libre-headers)
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(name (string-append (package-name linux-libre-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-libre-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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(and (zero? (system* "make" "defconfig"))
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(zero? (system* "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-libre-headers)))))
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(package (inherit glibc)
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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
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;; the usual cross-compilation inputs since that would include
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;; itself.
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#:implicit-cross-inputs? #f
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;; We need SRFI 26.
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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))
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((#:configure-flags flags)
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`(cons ,(string-append "--host=" target)
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,flags))
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((#:phases phases)
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`(alist-cons-before
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'configure 'set-cross-kernel-headers-path
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(lambda* (#:key inputs #:allow-other-keys)
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(let* ((kernel (assoc-ref inputs "kernel-headers"))
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(cpath (string-append kernel "/include")))
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(for-each (cut setenv <> cpath)
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'("CROSS_C_INCLUDE_PATH"
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"CROSS_CPLUS_INCLUDE_PATH"
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"CROSS_OBJC_INCLUDE_PATH"
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"CROSS_OBJCPLUS_INCLUDE_PATH"))
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#t))
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,phases))))
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;; Shadow the native "kernel-headers" because glibc's recipe expects the
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;; "kernel-headers" input to point to the right thing.
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(propagated-inputs `(("kernel-headers" ,xlinux-headers)))
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;; FIXME: 'static-bash' should really be an input, not a native input, but
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;; to do that will require building an intermediate cross libc.
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(inputs '())
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(native-inputs `(("cross-gcc" ,xgcc)
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("cross-binutils" ,xbinutils)
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,@(package-inputs glibc) ;FIXME: static-bash
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,@(package-native-inputs glibc)))))
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;;;
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;;; Concrete cross toolchains.
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;;;
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(define-public xgcc-mips64el
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(let* ((triplet "mips64el-linux-gnuabi64") ;N64 ABI
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(xgcc (cross-gcc triplet
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(cross-binutils triplet)
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(cross-libc triplet))))
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;; Don't attempt to build this cross-compiler on i686;
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;; see <http://bugs.gnu.org/19598>.
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(package (inherit xgcc)
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(supported-systems (fold delete
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(package-supported-systems xgcc)
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'("mips64el-linux" "i686-linux"))))))
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(define-public xgcc-avr
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;; AVR cross-compiler, used to build AVR-Libc.
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(let ((triplet "avr"))
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(cross-gcc triplet
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(cross-binutils triplet))))
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(define-public xgcc-xtensa
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;; Bare-bones Xtensa cross-compiler, used to build the Atheros firmware.
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(cross-gcc "xtensa-elf"))
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(define-public xgcc-armhf
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(let* ((triplet "arm-linux-gnueabihf")
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(xgcc (cross-gcc triplet
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(cross-binutils triplet)
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(cross-libc triplet))))
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(package (inherit xgcc)
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(supported-systems (delete "armhf-linux" %supported-systems)))))
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;; (define-public xgcc-armel
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;; (let ((triplet "armel-linux-gnueabi"))
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;; (cross-gcc triplet
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;; (cross-binutils triplet)
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;; (cross-libc triplet))))
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