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Diffstat (limited to 'gnu/packages/cross-base.scm')
| -rw-r--r-- | gnu/packages/cross-base.scm | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm new file mode 100644 index 0000000000..69dc9f5b0b --- /dev/null +++ b/gnu/packages/cross-base.scm @@ -0,0 +1,243 @@ +;;; 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 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)) + +(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 + (cut cross binutils <>)) + +(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." + (define args + ;; Get the arguments as if we were building for TARGET. In particular, we + ;; want `glibc-dynamic-linker' to return the right thing. + (parameterize ((%current-system (gnu-triplet->nix-system target))) + (package-arguments gcc-4.7))) + + (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 args + ((#:configure-flags flags) + `(append (list ,(string-append "--target=" 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)))) + (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)))))) + +(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)))) + (inputs `(("cross-gcc" ,xgcc) + ("cross-binutils" ,xbinutils) + ,@(package-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))) + (inputs `(("cross-gcc" ,xgcc) + ("cross-binutils" ,xbinutils) + ,@(package-inputs glibc))))) + + +;;; +;;; Concrete cross toolchains. +;;; + +(define-public xgcc-mips64el + (let ((triplet "mips64el-linux-gnu")) + (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)))) |