;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2020 Ludovic Courtès ;;; Copyright © 2014, 2015, 2018 Mark H Weaver ;;; Copyright © 2016, 2019 Jan (janneke) Nieuwenhuizen ;;; Copyright © 2016 Manolis Fragkiskos Ragkousis ;;; Copyright © 2018 Tobias Geerinckx-Rice ;;; Copyright © 2019, 2020 Marius Bakke ;;; Copyright © 2019 Carl Dong ;;; Copyright © 2020 Mathieu Othacehe ;;; ;;; 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 . (define-module (gnu packages cross-base) #:use-module (gnu packages) #:use-module (gnu packages gcc) #:use-module (gnu packages base) #:use-module (gnu packages linux) #:use-module (gnu packages hurd) #:use-module (gnu packages mingw) #: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) #:use-module (ice-9 regex) #:export (cross-binutils cross-libc cross-gcc cross-newlib? cross-kernel-headers)) (define-syntax %xgcc ;; GCC package used as the basis for cross-compilation. It doesn't have to ;; be 'gcc' and can be a specific variant such as 'gcc-4.8'. ;; ;; Note: This is a macro so that we do not refer to 'gcc' from the top ;; level, which would lead to circular-dependency issues. (identifier-syntax gcc)) (define %gcc-include-paths ;; Environment variables for header search paths. ;; Note: See 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 (cross p target) (package (inherit p) (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 #:optional (binutils binutils)) "Return a cross-Binutils for TARGET using BINUTILS." (let ((binutils (package (inherit binutils) (arguments (substitute-keyword-arguments (package-arguments binutils)
    generated by cgit
    ;; elf32.em to use DT_RUNPATH in its search list. ;; See . ;; ;; 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))))))) ;; For Xtensa, apply Qualcomm's patch. (cross (cond ((string-prefix? "xtensa-" target) (package-with-patches binutils (search-patches "ath9k-htc-firmware-binutils.patch"))) ((target-mingw? target) (package-with-extra-patches binutils (search-patches "binutils-mingw-w64-timestamp.patch" "binutils-mingw-w64-deterministic.patch"))) (else binutils)) target))) (define (cross-gcc-arguments target xgcc libc) "Return build system arguments for a cross-gcc for TARGET, using XGCC as the base compiler and using LIBC (which may be either a libc package or #f.)" ;; Set the current target system so that 'glibc-dynamic-linker' returns the ;; right name. (parameterize ((%current-target-system target)) ;; Disable stripping as this can break binaries, with object files of ;; libgcc.a showing up as having an unknown architecture. See ;; ;; for instance. (let ((args `(#:strip-binaries? #f ,@(package-arguments xgcc)))) (substitute-keyword-arguments args ((#:configure-flags flags) `(append (list ,(string-append "--target=" target) ,@(if libc `( ;; Disable libcilkrts because it is not ;; ported to GNU/Hurd. "--disable-libcilkrts" ;; When building a cross compiler, --with-sysroot is ;; implicitly set to "$gcc_tooldir/sys-root". This does ;; not work for us, because --with-native-system-header-dir ;; is searched for relative to this location. Thus, we set ;; it to "/" so GCC is able to find the target libc headers. ;; This is safe because in practice GCC uses CROSS_CPATH ;; & co to separate target and host libraries. "--with-sysroot=/") `( ;; Disable features not needed at this stage. "--disable-shared" "--enable-static" "--enable-languages=c,c++" ;; libstdc++ cannot be built at this stage ;; ("Link tests are not allowed after ;; GCC_NO_EXECUTABLES."). "--disable-libstdc++-v3" "--disable-threads" ;libgcc, would need libc "--disable-libatomic" "--disable-libmudflap" "--disable-libgomp" "--disable-libmpx" "--disable-libssp" "--disable-libquadmath" "--disable-decimal-float" ;would need libc "--disable-libcilkrts" ,@(if (string-prefix? "powerpc64le-" target) ;; On POWER9 (little endian) glibc needs ;; the 128-bit long double type. '("--with-long-double-128") '()) ;; When target is any OS other than 'none' these ;; libraries will fail if there is no libc ;; present. See ;; "--disable-libitm" "--disable-libvtv" "--disable-libsanitizer" )) ;; Install cross-built libraries such as libgcc_s.so in ;; the "lib" output. ,@(if libc `((string-append "--with-toolexeclibdir=" (assoc-ref %outputs "lib") "/" ,target "/lib")) '()) ;; For a newlib (non-glibc) target ,@(if (cross-newlib? target) '("--with-newlib") '())) ,(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) `(cross-gcc-build-phases ,target ,phases)))))) (define (cross-gcc-patches xgcc target) "Return GCC patches needed for XGCC and TARGET." (cond ((string-prefix? "xtensa-" target) ;; Patch by Qualcomm needed to build the ath9k-htc firmware. (search-patches "ath9k-htc-firmware-gcc.patch")) ((target-mingw? target) (append (search-patches "gcc-4.9.3-mingw-gthr-default.patch") (if (version>=? (package-version xgcc) "7.0") (search-patches "gcc-7-cross-mingw.patch") '()))) (else '()))) (define (cross-gcc-snippet target) "Return GCC snippet needed for TARGET." `(begin ,@(if (target-mingw? target) '((copy-recursively "libstdc++-v3/config/os/mingw32-w64" "libstdc++-v3/config/os/newlib")) '()) ;; TOOLDIR_BASE_PREFIX is erroneous when using a separate "lib" ;; output. Specify it correctly, otherwise GCC won't find its shared ;; libraries installed in the "lib" output. See: ;; https://lists.gnu.org/archive/html/bug-guix/2020-03/msg00196.html. (substitute* "gcc/Makefile.in" (("-DTOOLDIR_BASE_PREFIX=[^ ]*") "-DTOOLDIR_BASE_PREFIX=\\\"../../../../\\\"")) #t)) (define* (cross-gcc target #:key (xgcc %xgcc) (xbinutils (cross-binutils target)) (libc #f)) "Return a cross-compiler for TARGET, where TARGET is a GNU triplet. Use XGCC as the base compiler. 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 xgcc) (name (string-append "gcc-cross-" (if libc "" "sans-libc-") target)) (source (origin (inherit (package-source xgcc)) (patches (append (origin-patches (package-source xgcc)) (append (cond ((version>=? (package-version xgcc) "8.0") (search-patches "gcc-8-cross-environment-variables.patch")) ((version>=? (package-version xgcc) "6.0") (search-patches "gcc-7-cross-toolexeclibdir.patch" "gcc-6-cross-environment-variables.patch")) (else (search-patches "gcc-cross-environment-variables.patch"))) (cross-gcc-patches xgcc target)))) (modules '((guix build utils))) (snippet (cross-gcc-snippet target)))) (outputs '("out" "lib")) (arguments `(#:implicit-inputs? #f #:imported-modules ((gnu build cross-toolchain) ,@%gnu-build-system-modules) #:modules ((guix build gnu-build-system) (guix build utils) (gnu build cross-toolchain) (srfi srfi-1) (srfi srfi-26) (ice-9 regex)) ,@(cross-gcc-arguments target xgcc libc))) (native-inputs `(("ld-wrapper-cross" ,(make-ld-wrapper (string-append "ld-wrapper-" target) #:target (const target) #:binutils xbinutils)) ("binutils-cross" ,xbinutils) ,@(let ((inputs (append (package-inputs xgcc) (fold alist-delete (%final-inputs) '("libc" "libc:static")) ;; Call it differently so that the builder can ;; check whether the "libc" input is #f. `(("libc-native" ,@(assoc-ref (%final-inputs) "libc")) ("libc-native:static" ,@(assoc-ref (%final-inputs) "libc:static")))))) (cond ((target-mingw? target) (if libc `(,@inputs ("libc" ,libc)) `(,@inputs ("mingw-source" ,(package-source mingw-w64))))) (libc `(,@inputs ("libc" ,libc) ("libc:static" ,libc "static") ("xkernel-headers" ;the target headers ,@(assoc-ref (package-propagated-inputs libc) "kernel-headers")))) (else inputs))))) (inputs '()) ;; Only search target inputs, not host inputs. (search-paths (cons (search-path-specification (variable "CROSS_LIBRARY_PATH") (files '("lib" "lib64"))) (map (lambda (variable) (search-path-specification (variable variable) ;; Add 'include/c++' here so that 's ;; "#include_next " finds GCC's ;; , not libc's. (files (match variable ("CROSS_CPLUS_INCLUDE_PATH" '("include/c++" "include")) (_ '("include")))))) %gcc-cross-include-paths))) (native-search-paths '()))) (define* (cross-kernel-headers target #:optional (linux-headers linux-libre-headers) (xgcc (cross-gcc target)) (xbinutils (cross-binutils target))) "Return headers depending on TARGET." (define xlinux-headers (package (inherit linux-headers) (name (string-append (package-name linux-headers) "-cross-" target)) (arguments (substitute-keyword-arguments `(#:implicit-cross-inputs? #f ,@(package-arguments linux-headers)) ((#:phases phases) `(alist-replace 'build (lambda _ (setenv "ARCH" ,(system->linux-architecture target)) (format #t "`ARCH' set to `~a' (cross compiling)~%" (getenv "ARCH")) (invoke "make" ,(system->defconfig target)) (invoke "make" "mrproper" "headers_check")) ,phases)))) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ,@(package-native-inputs linux-headers))))) (define xgnumach-headers (package (inherit gnumach-headers) (name (string-append (package-name gnumach-headers) "-cross-" target)) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ,@(package-native-inputs gnumach-headers))))) (define xmig (package (inherit mig) (name (string-append "mig-cross")) (arguments `(#:modules ((guix build gnu-build-system) (guix build utils) (srfi srfi-26)) #:phases (modify-phases %standard-phases (add-before 'configure 'set-cross-headers-path (lambda* (#:key inputs #:allow-other-keys) (let* ((mach (assoc-ref inputs "cross-gnumach-headers")) (cpath (string-append mach "/include"))) (for-each (cut setenv <> cpath) ',%gcc-cross-include-paths) #t)))) #:configure-flags (list ,(string-append "--target=" target)) #:tests? #f)) (propagated-inputs `(("cross-gnumach-headers" ,xgnumach-headers))) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ,@(package-native-inputs mig))))) (define xhurd-headers (package (inherit hurd-headers) (name (string-append (package-name hurd-headers) "-cross-" target)) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ("cross-mig" ,xmig) ,@(alist-delete "mig"(package-native-inputs hurd-headers)))))) (define xglibc/hurd-headers (package (inherit glibc/hurd-headers) (name (string-append (package-name glibc/hurd-headers) "-cross-" target)) (arguments (substitute-keyword-arguments `(#:modules ((guix build gnu-build-system) (guix build utils) (srfi srfi-26)) ,@(package-arguments glibc/hurd-headers)) ((#:phases phases) `(modify-phases ,phases (add-after 'unpack 'set-cross-headers-path (lambda* (#:key inputs #:allow-other-keys) (let* ((mach (assoc-ref inputs "gnumach-headers")) (hurd (assoc-ref inputs "hurd-headers")) (cpath (string-append mach "/include:" hurd "/include"))) (for-each (cut setenv <> cpath) ',%gcc-cross-include-paths) #t))))))) (propagated-inputs `(("gnumach-headers" ,xgnumach-headers) ("hurd-headers" ,xhurd-headers))) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ("cross-mig" ,xmig) ,@(alist-delete "mig"(package-native-inputs glibc/hurd-headers)))))) (define xhurd-minimal (package (inherit hurd-minimal) (name (string-append (package-name hurd-minimal) "-cross-" target)) (arguments (substitute-keyword-arguments `(#:modules ((guix build gnu-build-system) (guix build utils) (srfi srfi-26)) ,@(package-arguments hurd-minimal)) ((#:phases phases) `(modify-phases ,phases (add-before 'configure 'set-cross-headers-path (lambda* (#:key inputs #:allow-other-keys) (let* ((glibc-headers (assoc-ref inputs "cross-glibc-hurd-headers")) (cpath (string-append glibc-headers "/include"))) (for-each (cut setenv <> cpath) ',%gcc-cross-include-paths) #t))))))) (inputs `(("cross-glibc-hurd-headers" ,xglibc/hurd-headers))) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ("cross-mig" ,xmig) ,@(alist-delete "mig"(package-native-inputs hurd-minimal)))))) (define xhurd-core-headers (package (inherit hurd-core-headers) (name (string-append (package-name hurd-core-headers) "-cross-" target)) (inputs `(("gnumach-headers" ,xgnumach-headers) ("hurd-headers" ,xhurd-headers) ("hurd-minimal" ,xhurd-minimal))) (native-inputs `(("cross-gcc" ,xgcc) ("cross-binutils" ,xbinutils) ("cross-mig" ,xmig) ,@(package-native-inputs hurd-core-headers))))) (match target ((or "i586-pc-gnu" "i586-gnu") xhurd-core-headers) (_ xlinux-headers))) (define* (cross-libc target #:optional (libc glibc) (xgcc (cross-gcc target)) (xbinutils (cross-binutils target)) (xheaders (cross-kernel-headers target))) "Return LIBC cross-built for TARGET, a GNU triplet. Use XGCC and XBINUTILS and the cross tool chain." (if (cross-newlib? target libc) (native-libc target libc #:xgcc xgcc #:xbinutils xbinutils) (package (inherit libc) (name (string-append "glibc-cross-" target)) (arguments (substitute-keyword-arguments `( ;; Disable stripping (see above.) #:strip-binaries? #f ;; 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))) ,@(if (hurd-triplet? target) '((add-after 'install 'augment-libc.so (lambda* (#:key outputs #:allow-other-keys) (let* ((out (assoc-ref outputs "out"))) (substitute* (string-append out "/lib/libc.so") (("/[^ ]+/lib/libc.so.0.3") (string-append out "/lib/libc.so.0.3" " libmachuser.so libhurduser.so")))) #t)) ;; TODO: move to glibc in the next rebuild cycle (add-after 'unpack 'patch-libc/hurd (lambda* (#:key inputs #:allow-other-keys) (for-each (lambda (name) (let ((patch (assoc-ref inputs name))) (invoke "patch" "-p1" "--force" "-i" patch))) '("hurd-mach-print.patch" "hurd-gettyent.patch"))))) '()))))) ;; 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 (if (hurd-triplet? target) `(;; TODO: move to glibc in the next rebuild cycle ("hurd-mach-print.patch" ,(search-patch "glibc-hurd-mach-print.patch")) ("hurd-gettyent.patch" ,(search-patch "glibc-hurd-gettyent.patch"))) '())) (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) #:key xgcc xbinutils) (if (target-mingw? target) (let ((machine (substring target 0 (string-index target #\-)))) (make-mingw-w64 machine #:xgcc xgcc #:xbinutils xbinutils)) 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.