diff options
| -rw-r--r-- | gnu/build/cross-toolchain.scm | 178 | ||||
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/packages/cross-base.scm | 140 |
3 files changed, 185 insertions, 134 deletions
diff --git a/gnu/build/cross-toolchain.scm b/gnu/build/cross-toolchain.scm new file mode 100644 index 0000000000..450443ca63 --- /dev/null +++ b/gnu/build/cross-toolchain.scm @@ -0,0 +1,178 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org> +;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org> +;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com> +;;; +;;; 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 build cross-toolchain) + #:use-module (guix build utils) + #:use-module (guix build gnu-build-system) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) + #:use-module (ice-9 match) + #:use-module (ice-9 ftw) + #:export (cross-gcc-build-phases)) + +;;; Commentary: +;;; +;;; This module provides tools to build a cross-compiler. +;;; +;;; Code: + +(define %gcc-include-paths + ;; Environment variables for header search paths. + ;; Note: See <http://bugs.gnu.org/22186> for why not 'CPATH'. + '("C_INCLUDE_PATH" + "CPLUS_INCLUDE_PATH" + "OBJC_INCLUDE_PATH" + "OBJCPLUS_INCLUDE_PATH")) + +(define %gcc-cross-include-paths + ;; Search path for target headers when cross-compiling. + (map (cut string-append "CROSS_" <>) %gcc-include-paths)) + +(define* (make-cross-binutils-visible #:key outputs inputs target + #:allow-other-keys) + "Create symlinks for 'as', 'nm', and 'ld' in the \"out\" output, under +libexec/gcc, so that the cross-GCC can find them." + (let* ((out (assoc-ref outputs "out")) + (libexec (string-append out "/libexec/gcc/" target)) + (binutils (string-append (assoc-ref inputs "binutils-cross") + "/bin/" target "-")) + (wrapper (string-append (assoc-ref inputs "ld-wrapper-cross") + "/bin/" target "-ld"))) + (for-each (lambda (file) + (symlink (string-append binutils file) + (string-append libexec "/" file))) + '("as" "nm")) + (symlink wrapper (string-append libexec "/ld")) + #t)) + +(define* (set-cross-path #:key inputs #:allow-other-keys) + "Add the cross kernel headers to CROSS_CPATH, and remove them from +C_INCLUDE_PATH et al." + (match (assoc-ref inputs "libc") + ((? string? libc) + (let ((kernel (assoc-ref inputs "xkernel-headers"))) + (define (cross? x) + ;; Return #t if X is a cross-libc or cross Linux. + (or (string-prefix? libc x) + (string-prefix? kernel x))) + + (let ((cpath (string-append libc "/include" + ":" kernel "/include"))) + (for-each (cut setenv <> cpath) + %gcc-cross-include-paths)) + + (setenv "CROSS_LIBRARY_PATH" + (string-append libc "/lib:" kernel "/lib")) ;for Hurd's libihash + + (for-each (lambda (var) + (and=> (getenv var) + (lambda (value) + (let* ((path (search-path-as-string->list value)) + (native-path (list->search-path-as-string + (remove cross? path) ":"))) + (setenv var native-path))))) + (cons "LIBRARY_PATH" %gcc-include-paths)) + #t)) + (#f + ;; We're building the sans-libc cross-compiler, so nothing to do. + #t))) + +(define* (set-cross-path/mingw #:key inputs #:allow-other-keys) + "Add the cross MinGW headers to CROSS_C_*_INCLUDE_PATH, and remove them from +C_*INCLUDE_PATH." + (let ((libc (assoc-ref inputs "libc")) + (gcc (assoc-ref inputs "gcc"))) + (define (cross? x) + (and libc (string-prefix? libc x))) + + (define (unpacked-mingw-dir) + (match (scandir "." (lambda (name) + (string-contains name "mingw-w64"))) + ((mingw-dir) + (string-append + (getcwd) "/" mingw-dir "/mingw-w64-headers")))) + + (if libc + (let ((cpath (string-append libc "/include" + ":" libc "/i686-w64-mingw32/include"))) + (for-each (cut setenv <> cpath) + %gcc-cross-include-paths)) + + ;; libc is false, so we are building xgcc-sans-libc. + ;; Add essential headers from mingw-w64. + (let ((mingw-source (assoc-ref inputs "mingw-source"))) + (system* "tar" "xvf" mingw-source) + (let ((mingw-headers (unpacked-mingw-dir))) + ;; We need _mingw.h which will gets built from _mingw.h.in by + ;; mingw-w64's configure. We cannot configure mingw-w64 until we + ;; have xgcc-sans-libc; substitute to the rescue. + (copy-file (string-append mingw-headers "/crt/_mingw.h.in") + (string-append mingw-headers "/crt/_mingw.h")) + + (substitute* (string-append mingw-headers "/crt/_mingw.h") + (("@MINGW_HAS_SECURE_API@") + "#define MINGW_HAS_SECURE_API 1")) + + (let ((cpath (string-append mingw-headers "/include" + ":" mingw-headers "/crt" + ":" mingw-headers + "/defaults/include"))) + (for-each (cut setenv <> cpath) + (cons "CROSS_LIBRARY_PATH" + %gcc-cross-include-paths)))))) + + (when libc + (setenv "CROSS_LIBRARY_PATH" + (string-append libc "/lib" + ":" libc "/i686-w64-mingw32/lib"))) + + (setenv "CPP" (string-append gcc "/bin/cpp")) + (for-each (lambda (var) + (and=> (getenv var) + (lambda (value) + (let* ((path (search-path-as-string->list + value)) + (native-path (list->search-path-as-string + (remove cross? path) ":"))) + (setenv var native-path))))) + (cons "LIBRARY_PATH" %gcc-include-paths)) + #t)) + +(define (install-strip . _) + "Install a stripped GCC." + ;; Unlike our 'strip' phase, this will do the right thing for + ;; cross-compilers. + (zero? (system* "make" "install-strip"))) + +(define* (cross-gcc-build-phases target + #:optional (phases %standard-phases)) + "Modify PHASES to include everything needed to build a cross-GCC for TARGET, +a target triplet." + (modify-phases phases + (add-before 'configure 'set-cross-path + (if (string-contains target "mingw") + set-cross-path/mingw + set-cross-path)) + (add-after 'install 'make-cross-binutils-visible + (cut make-cross-binutils-visible #:target target <...>)) + (replace 'install install-strip))) + +;;; cross-toolchain.scm ends here diff --git a/gnu/local.mk b/gnu/local.mk index 1f98513ca3..eec0e018b5 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -436,6 +436,7 @@ GNU_SYSTEM_MODULES = \ %D%/system/vm.scm \ \ %D%/build/activation.scm \ + %D%/build/cross-toolchain.scm \ %D%/build/file-systems.scm \ %D%/build/install.scm \ %D%/build/linux-boot.scm \ diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm index 7917e9fd0a..763bbf50e2 100644 --- a/gnu/packages/cross-base.scm +++ b/gnu/packages/cross-base.scm @@ -164,136 +164,7 @@ may be either a libc package or #f.)" ,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 "-")) - (wrapper (string-append - (assoc-ref inputs "ld-wrapper-cross") - "/bin/" ,target "-ld"))) - (for-each (lambda (file) - (symlink (string-append binutils file) - (string-append libexec "/" - file))) - '("as" "nm")) - (symlink wrapper (string-append libexec "/ld")) - #t)) - (alist-replace - 'install - (lambda _ - ;; Unlike our 'strip' phase, this will do the right thing - ;; for cross-compilers. - (zero? (system* "make" "install-strip"))) - ,phases)))) - (cond - ((target-mingw? target) - `(modify-phases ,phases - (add-before - 'configure 'set-cross-path - (lambda* (#:key inputs #:allow-other-keys) - ;; Add the cross mingw headers to CROSS_C_*_INCLUDE_PATH, - ;; and remove them from C_*INCLUDE_PATH. - (let ((libc (assoc-ref inputs "libc")) - (gcc (assoc-ref inputs "gcc"))) - (define (cross? x) - (and libc (string-prefix? libc x))) - (define (unpacked-mingw-dir) - (match - (scandir - "." - (lambda (name) (string-contains name "mingw-w64"))) - ((mingw-dir) - (string-append - (getcwd) "/" mingw-dir "/mingw-w64-headers")))) - (if libc - (let ((cpath (string-append - libc "/include" - ":" libc "/i686-w64-mingw32/include"))) - (for-each (cut setenv <> cpath) - ',%gcc-cross-include-paths)) - ;; libc is false, so we are building xgcc-sans-libc - ;; Add essential headers from mingw-w64. - (let ((mingw-source (assoc-ref inputs "mingw-source"))) - (system* "tar" "xf" mingw-source) - (let ((mingw-headers (unpacked-mingw-dir))) - ;; We need _mingw.h which will gets built from - ;; _mingw.h.in by mingw-w64's configure. We - ;; cannot configure mingw-w64 until we have - ;; xgcc-sans-libc; substitute to the rescue. - (copy-file (string-append mingw-headers - "/crt/_mingw.h.in") - (string-append mingw-headers - "/crt/_mingw.h")) - (substitute* (string-append mingw-headers - "/crt/_mingw.h") - (("@MINGW_HAS_SECURE_API@") - "#define MINGW_HAS_SECURE_API 1")) - (let ((cpath - (string-append - mingw-headers "/include" - ":" mingw-headers "/crt" - ":" mingw-headers "/defaults/include"))) - (for-each (cut setenv <> cpath) - (cons - "CROSS_LIBRARY_PATH" - ',%gcc-cross-include-paths)))) - (when libc - (setenv "CROSS_LIBRARY_PATH" - (string-append - libc "/lib" - ":" libc "/i686-w64-mingw32/lib"))))) - (setenv "CPP" (string-append gcc "/bin/cpp")) - (for-each - (lambda (var) - (and=> - (getenv var) - (lambda (value) - (let* ((path (search-path-as-string->list - value)) - (native-path (list->search-path-as-string - (remove cross? path) ":"))) - (setenv var native-path))))) - (cons "LIBRARY_PATH" ',%gcc-include-paths)) - #t))))) - (libc - `(alist-cons-before - 'configure 'set-cross-path - (lambda* (#:key inputs #:allow-other-keys) - ;; Add the cross kernel headers to CROSS_CPATH, and remove - ;; them from CPATH. - (let ((libc (assoc-ref inputs "libc")) - (kernel (assoc-ref inputs "xkernel-headers"))) - (define (cross? x) - ;; Return #t if X is a cross-libc or cross Linux. - (or (string-prefix? libc x) - (string-prefix? kernel x))) - (let ((cpath (string-append - libc "/include" - ":" kernel "/include"))) - (for-each (cut setenv <> cpath) - ',%gcc-cross-include-paths)) - (setenv "CROSS_LIBRARY_PATH" - (string-append libc "/lib:" - kernel "/lib")) ;for Hurd's libihash - (for-each - (lambda (var) - (and=> - (getenv var) - (lambda (value) - (let* ((path (search-path-as-string->list value)) - (native-path (list->search-path-as-string - (remove cross? path) ":"))) - (setenv var native-path))))) - (cons "LIBRARY_PATH" ',%gcc-include-paths)) - #t)) - ,phases)) - (else phases)))))))) + `(cross-gcc-build-phases ,target ,phases)))))) (define (cross-gcc-patches target) "Return GCC patches needed for TARGET." @@ -336,13 +207,14 @@ GCC that does not target a libc; otherwise, target that libc." (arguments `(#:implicit-inputs? #f + #:imported-modules ((gnu build cross-toolchain) + ,@%gnu-build-system-modules) #:modules ((guix build gnu-build-system) (guix build utils) - (ice-9 ftw) - (ice-9 match) - (ice-9 regex) + (gnu build cross-toolchain) (srfi srfi-1) - (srfi srfi-26)) + (srfi srfi-26) + (ice-9 regex)) ,@(cross-gcc-arguments target libc))) |