275 lines
12 KiB
Scheme
275 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
||
;;; under the terms of the GNU General Public License as published by
|
||
;;; the Free Software Foundation; either version 3 of the License, or (at
|
||
;;; your option) any later version.
|
||
;;;
|
||
;;; GNU Guix is distributed in the hope that it will be useful, but
|
||
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;;; GNU General Public License for more details.
|
||
;;;
|
||
;;; You should have received a copy of the GNU General Public License
|
||
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (gnu packages cross-base)
|
||
#:use-module (guix licenses)
|
||
#:use-module (gnu packages)
|
||
#:use-module (gnu packages gcc)
|
||
#:use-module (gnu packages base)
|
||
#:use-module (gnu packages linux)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix download)
|
||
#:use-module (guix utils)
|
||
#:use-module (guix build-system gnu)
|
||
#:use-module (guix build-system trivial)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (ice-9 match)
|
||
#:export (cross-binutils
|
||
cross-libc
|
||
cross-gcc))
|
||
|
||
(define (cross p target)
|
||
(package (inherit p)
|
||
(location (source-properties->location (current-source-location)))
|
||
(name (string-append (package-name p) "-cross-" target))
|
||
(arguments
|
||
(substitute-keyword-arguments (package-arguments p)
|
||
((#:configure-flags flags)
|
||
`(cons ,(string-append "--target=" target)
|
||
,flags))))))
|
||
|
||
(define (cross-binutils target)
|
||
"Return a cross-Binutils for TARGET."
|
||
(let ((binutils (package (inherit binutils)
|
||
(arguments
|
||
(substitute-keyword-arguments (package-arguments
|
||
binutils)
|
||
((#:configure-flags flags)
|
||
;; Build with `--with-sysroot' so that ld honors
|
||
;; DT_RUNPATH entries when searching for a needed
|
||
;; library. This works because as a side effect
|
||
;; `genscripts.sh' sets `USE_LIBPATH=yes', which tells
|
||
;; elf32.em to use DT_RUNPATH in its search list.
|
||
;; See <http://sourceware.org/ml/binutils/2013-05/msg00312.html>.
|
||
;;
|
||
;; In theory choosing / as the sysroot could lead ld
|
||
;; to pick up native libs instead of target ones. In
|
||
;; practice the RUNPATH of target libs only refers to
|
||
;; target libs, not native libs, so this is safe.
|
||
`(cons "--with-sysroot=/" ,flags)))))))
|
||
(cross binutils target)))
|
||
|
||
(define* (cross-gcc target
|
||
#:optional (xbinutils (cross-binutils target)) libc)
|
||
"Return a cross-compiler for TARGET, where TARGET is a GNU triplet. Use
|
||
XBINUTILS as the associated cross-Binutils. If LIBC is false, then build a
|
||
GCC that does not target a libc; otherwise, target that libc."
|
||
(package (inherit gcc-4.7)
|
||
(name (string-append "gcc-cross-"
|
||
(if libc "" "sans-libc-")
|
||
target))
|
||
(arguments
|
||
`(#:implicit-inputs? #f
|
||
#:modules ((guix build gnu-build-system)
|
||
(guix build utils)
|
||
(ice-9 regex)
|
||
(srfi srfi-1)
|
||
(srfi srfi-26))
|
||
#:patches (list (assoc-ref %build-inputs "patch/cross-env-vars"))
|
||
|
||
,@(substitute-keyword-arguments (package-arguments gcc-4.7)
|
||
((#:configure-flags flags)
|
||
`(append (list ,(string-append "--target=" target)
|
||
,@(gcc-configure-flags-for-triplet target)
|
||
,@(if libc
|
||
'()
|
||
`( ;; Disable features not needed at this stage.
|
||
"--disable-shared" "--enable-static"
|
||
|
||
;; Disable C++ because libstdc++'s
|
||
;; configure script otherwise fails with
|
||
;; "Link tests are not allowed after
|
||
;; GCC_NO_EXECUTABLES."
|
||
"--enable-languages=c"
|
||
|
||
"--disable-threads" ; libgcc, would need libc
|
||
"--disable-libmudflap"
|
||
"--disable-libgomp"
|
||
"--disable-libssp"
|
||
"--disable-libquadmath"
|
||
"--disable-decimal-float" ; would need libc
|
||
)))
|
||
|
||
,(if libc
|
||
flags
|
||
`(remove (cut string-match "--enable-languages.*" <>)
|
||
,flags))))
|
||
((#:make-flags flags)
|
||
(if libc
|
||
`(let ((libc (assoc-ref %build-inputs "libc")))
|
||
;; FLAGS_FOR_TARGET are needed for the target libraries to
|
||
;; receive the -Bxxx for the startfiles.
|
||
(cons (string-append "FLAGS_FOR_TARGET=-B" libc "/lib")
|
||
,flags))
|
||
flags))
|
||
((#:phases phases)
|
||
(let ((phases
|
||
`(alist-cons-after
|
||
'install 'make-cross-binutils-visible
|
||
(lambda* (#:key outputs inputs #:allow-other-keys)
|
||
(let* ((out (assoc-ref outputs "out"))
|
||
(libexec (string-append out "/libexec/gcc/"
|
||
,target))
|
||
(binutils (string-append
|
||
(assoc-ref inputs "binutils-cross")
|
||
"/bin/" ,target "-")))
|
||
(for-each (lambda (file)
|
||
(symlink (string-append binutils file)
|
||
(string-append libexec "/"
|
||
file)))
|
||
'("as" "ld" "nm"))
|
||
#t))
|
||
,phases)))
|
||
(if libc
|
||
`(alist-cons-before
|
||
'configure 'set-cross-path
|
||
(lambda* (#:key inputs #:allow-other-keys)
|
||
;; Add the cross Linux headers to CROSS_CPATH, and remove
|
||
;; them from CPATH.
|
||
(let ((libc (assoc-ref inputs "libc"))
|
||
(linux (assoc-ref inputs
|
||
"libc/cross-linux-headers")))
|
||
(define (cross? x)
|
||
;; Return #t if X is a cross-libc or cross Linux.
|
||
(or (string-prefix? libc x)
|
||
(string-prefix? linux x)))
|
||
|
||
(setenv "CROSS_CPATH"
|
||
(string-append libc "/include:"
|
||
linux "/include"))
|
||
(setenv "CROSS_LIBRARY_PATH"
|
||
(string-append libc "/lib"))
|
||
|
||
(let ((cpath (search-path-as-string->list
|
||
(getenv "CPATH")))
|
||
(libpath (search-path-as-string->list
|
||
(getenv "LIBRARY_PATH"))))
|
||
(setenv "CPATH"
|
||
(list->search-path-as-string
|
||
(remove cross? cpath) ":"))
|
||
(setenv "LIBRARY_PATH"
|
||
(list->search-path-as-string
|
||
(remove cross? libpath) ":"))
|
||
#t)))
|
||
,phases)
|
||
phases)))
|
||
((#:strip-binaries? _)
|
||
;; Disable stripping as this can break binaries, with object files
|
||
;; of libgcc.a showing up as having an unknown architecture. See
|
||
;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html>
|
||
;; for instance.
|
||
#f))))
|
||
|
||
(native-inputs
|
||
`(("patch/cross-env-vars"
|
||
,(search-patch "gcc-cross-environment-variables.patch"))
|
||
|
||
("binutils-cross" ,xbinutils)
|
||
|
||
;; Call it differently so that the builder can check whether the "libc"
|
||
;; input is #f.
|
||
("libc-native" ,@(assoc-ref %final-inputs "libc"))
|
||
|
||
;; Remaining inputs.
|
||
,@(let ((inputs (append (package-inputs gcc-4.7)
|
||
(alist-delete "libc" %final-inputs))))
|
||
(if libc
|
||
`(("libc" ,libc)
|
||
,@inputs)
|
||
inputs))))
|
||
|
||
(inputs '())
|
||
|
||
;; Only search target inputs, not host inputs.
|
||
(search-paths
|
||
(list (search-path-specification
|
||
(variable "CROSS_CPATH")
|
||
(directories '("include")))
|
||
(search-path-specification
|
||
(variable "CROSS_LIBRARY_PATH")
|
||
(directories '("lib" "lib64")))))
|
||
(native-search-paths '())))
|
||
|
||
(define* (cross-libc target
|
||
#:optional
|
||
(xgcc (cross-gcc target))
|
||
(xbinutils (cross-binutils target)))
|
||
"Return a libc cross-built for TARGET, a GNU triplet. Use XGCC and
|
||
XBINUTILS and the cross tool chain."
|
||
(define xlinux-headers
|
||
(package (inherit linux-libre-headers)
|
||
(name (string-append (package-name linux-libre-headers)
|
||
"-cross-" target))
|
||
(arguments
|
||
(substitute-keyword-arguments (package-arguments linux-libre-headers)
|
||
((#:phases phases)
|
||
`(alist-replace
|
||
'build
|
||
(lambda _
|
||
(setenv "ARCH" ,(system->linux-architecture target))
|
||
(format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH"))
|
||
|
||
(and (zero? (system* "make" "defconfig"))
|
||
(zero? (system* "make" "mrproper" "headers_check"))))
|
||
,phases))))
|
||
(native-inputs `(("cross-gcc" ,xgcc)
|
||
("cross-binutils" ,xbinutils)
|
||
,@(package-native-inputs linux-libre-headers)))))
|
||
|
||
(package (inherit glibc)
|
||
(name (string-append "glibc-cross-" target))
|
||
(arguments
|
||
(substitute-keyword-arguments
|
||
`(#:strip-binaries? #f ; disable stripping (see above)
|
||
,@(package-arguments glibc))
|
||
((#:configure-flags flags)
|
||
`(cons ,(string-append "--host=" target)
|
||
,flags))
|
||
((#:phases phases)
|
||
`(alist-cons-before
|
||
'configure 'set-cross-linux-headers-path
|
||
(lambda* (#:key inputs #:allow-other-keys)
|
||
(let ((linux (assoc-ref inputs "cross-linux-headers")))
|
||
(setenv "CROSS_CPATH"
|
||
(string-append linux "/include"))
|
||
#t))
|
||
,phases))))
|
||
|
||
(propagated-inputs `(("cross-linux-headers" ,xlinux-headers)))
|
||
(native-inputs `(("cross-gcc" ,xgcc)
|
||
("cross-binutils" ,xbinutils)
|
||
,@(package-native-inputs glibc)))))
|
||
|
||
|
||
;;;
|
||
;;; Concrete cross toolchains.
|
||
;;;
|
||
|
||
(define-public xgcc-mips64el
|
||
(let ((triplet "mips64el-linux-gnuabi64")) ; N64 ABI
|
||
(cross-gcc triplet
|
||
(cross-binutils triplet)
|
||
(cross-libc triplet))))
|
||
|
||
;; (define-public xgcc-armel
|
||
;; (let ((triplet "armel-linux-gnueabi"))
|
||
;; (cross-gcc triplet
|
||
;; (cross-binutils triplet)
|
||
;; (cross-libc triplet))))
|