guix/gnu/packages/cross-base.scm

793 lines
34 KiB
Scheme
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013-2018, 2020, 2023 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016, 2019, 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019, 2020, 2021 Marius Bakke <marius@gnu.org>
;;; Copyright © 2019 Carl Dong <contact@carldong.me>
;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2023 Josselin Poiret <dev@jpoiret.xyz>
;;; Copyright © 2023 Foundation Devices, Inc. <hello@foundationdevices.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 packages cross-base)
#:use-module (gnu packages)
#:use-module (gnu packages avr)
#: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 memoization)
#:use-module (guix platform)
#:use-module (guix packages)
#:use-module (guix diagnostics)
#:use-module (guix download)
#:use-module (guix i18n)
#:use-module (guix utils)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix gexp)
#: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-mig
cross-kernel-headers
cross-gcc-toolchain))
(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 <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 (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 (contains-keyword? args)
"Check if ARGS contains a keyword object."
(find keyword? args))
(define* (cross-binutils . args)
(if (or (= (length args) 1) (contains-keyword? args))
(apply cross-binutils* args)
(apply cross-binutils/deprecated args)))
(define* (cross-binutils/deprecated target #:optional (binutils binutils))
(warning (G_ "'cross-binutils' must be used with keyword arguments~%"))
(cross-binutils* target #:binutils binutils))
(define* (cross-binutils* target #:key (binutils binutils))
"Return a cross-Binutils for TARGET using BINUTILS."
(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)))))))
;; 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
(package-with-extra-configure-variable
;; mingw binutils does not work correctly when configured
;; with `--enable-compressed-debug-sections`. An error
;; like the following will occur whenever you try to link:
;;
;; x86_64-w64-mingw32-ld: final link failed: bad value
;;
;; TODO: This seems like a deeper problem that warrants
;; deeper investigation.
binutils "--enable-compressed-debug-sections" "no")
(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
;; <http://lists.fedoraproject.org/pipermail/arm/2010-August/000663.html>
;; 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 "$gcc_tooldir/sys-root". This does
;; not work for us, because --with-native-system-header-dir
;; is searched for relative to this location. Thus, we set
;; it to "/" so GCC is able to find the target libc headers.
;; This is safe because in practice GCC uses CROSS_CPATH
;; & co to separate target and host libraries.
"--with-sysroot=/")
#~( ;; Disable features not needed at this stage.
"--disable-shared" "--enable-static"
"--enable-languages=c,c++"
;; libstdc++ cannot be built at this stage
;; ("Link tests are not allowed after
;; GCC_NO_EXECUTABLES.").
"--disable-libstdc++-v3"
"--disable-threads" ;libgcc, would need libc
"--disable-libatomic"
"--disable-libmudflap"
"--disable-libgomp"
"--disable-libmpx"
"--disable-libssp"
"--disable-libquadmath"
"--disable-decimal-float" ;would need libc
"--disable-libcilkrts"
;; When target is any OS other than 'none' these
;; libraries will fail if there is no libc
;; present. See
;; <https://lists.gnu.org/archive/html/guix-devel/2016-02/msg01311.html>
"--disable-libitm"
"--disable-libvtv"
"--disable-libsanitizer"
))
;; Install cross-built libraries such as libgcc_s.so in
;; the "lib" output.
#$@(if libc
#~((string-append "--with-toolexeclibdir="
(assoc-ref %outputs "lib")
"/" #$target "/lib"))
#~())
#$@(if (target-avr? target)
#~("--enable-multilib")
#~())
#$@(if (and libc (target-avr? target))
#~(;; By default GCC will attemp to compile
;; some libraries for other languages (objc,
;; fortran) but compilation fails for AVR.
"--enable-languages=c,c++"
(string-append "--with-native-system-header-dir="
#$libc "/" #$target "/include"))
#~()))
(remove
(lambda (flag)
(or (and #$libc
(string-prefix? "--enable-languages" flag))
(and #$libc
#$(target-avr? target)
(string-prefix? "--with-native-system-header-dir"
flag))
(and #$(target-avr? target)
(string=? flag "--disable-multilib"))))
#$flags)))
((#:make-flags flags)
(if libc
#~(let ((libc (assoc-ref %build-inputs "libc"))
(lib-prefix (if #$(target-avr? target)
(string-append "/" #$target)
"")))
;; 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-prefix "/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-search-paths target)
"Return list of GCC search path specifications needed for TARGET."
(cons (search-path-specification
(variable "CROSS_LIBRARY_PATH")
(files `("lib" "lib64"
,@(list (string-append target "/lib")
(string-append target "/lib64")))))
(map (lambda (variable)
(search-path-specification
(variable variable)
;; Add 'include/c++' here so that <cstdlib>'s
;; "#include_next <stdlib.h>" finds GCC's
;; <stdlib.h>, not libc's.
(files (match variable
("CROSS_CPLUS_INCLUDE_PATH"
`("include/c++" "include"
,@(list (string-append target "/include/c++")
(string-append target "/include"))))
(_
`("include"
,(string-append target "/include")))))))
%gcc-cross-include-paths)))
(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) "12.0")
(search-patches "gcc-12-cross-environment-variables.patch"
"gcc-cross-gxx-include-dir.patch"))
((version>=? (package-version xgcc) "10.0")
(search-patches "gcc-10-cross-environment-variables.patch"
"gcc-cross-gxx-include-dir.patch"))
((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)))))
((and libc (target-avr? target))
`(,@inputs
("libc" ,libc)))
(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 (cross-gcc-search-paths target))
(native-search-paths '())))
(define* (cross-kernel-headers . args)
(if (or (= (length args) 1) (contains-keyword? args))
(apply cross-kernel-headers* args)
(apply cross-kernel-headers/deprecated args)))
(define* (cross-kernel-headers/deprecated target
#:optional
(linux-headers linux-libre-headers)
(xgcc (cross-gcc target))
(xbinutils (cross-binutils target)))
(warning (G_ "'cross-kernel-headers' must be used with keyword arguments~%"))
(cross-kernel-headers* target
#:linux-headers linux-headers
#:xgcc xgcc
#:xbinutils xbinutils))
(define* (cross-gnumach-headers target
#:key
(xgcc (cross-gcc target))
(xbinutils (cross-binutils target)))
(package
(inherit gnumach-headers)
(name (string-append (package-name gnumach-headers)
"-cross-" target))
(arguments
(substitute-keyword-arguments (package-arguments gnumach-headers)
((#:phases phases #~%standard-phases)
#~(modify-phases #$phases
;; Cheat by setting the host_cpu variable manually, since using
;; --host= would require a working cross-compiler, which we don't
;; have yet.
(add-after 'unpack 'substitute-host-cpu
(lambda _
(substitute* "configure.ac"
(("AC_CANONICAL_HOST")
#$(string-append
"host_cpu="
(match target
((? target-x86-32?)
"i386")
((? target-x86-64?)
"x86_64")))))))))))
(native-inputs
(modify-inputs (package-native-inputs gnumach-headers)
(prepend xgcc xbinutils)))))
(define* (cross-mig target
#:key
(xgcc (cross-gcc target))
(xbinutils (cross-binutils target)))
"Return a cross-mig for TARGET, where TARGET is a GNU triplet. Use XGCC as
the base compiler. Use XBINUTILS as the associated cross-Binutils."
(define xgnumach-headers
(cross-gnumach-headers target
#:xgcc xgcc
#:xbinutils xbinutils))
(package
(inherit mig)
(name (string-append "mig-cross"))
(arguments
(substitute-keyword-arguments (package-arguments mig)
((#:configure-flags flags #~'())
#~(list #$(string-append "--target=" target)))
((#:tests? _ #f)
#f)
((#:phases phases #~%standard-phases)
#~(modify-phases #$phases
(add-before 'configure 'set-cross-headers-path
(lambda* (#:key inputs #:allow-other-keys)
(let* ((mach #+xgnumach-headers)
(cpath (string-append mach "/include")))
(for-each (lambda (variable)
(setenv variable cpath))
'#$%gcc-cross-include-paths))))))))
(propagated-inputs
(list xgnumach-headers))
(native-inputs
(modify-inputs (package-native-inputs mig)
(prepend xgcc xbinutils)))))
(define* (cross-kernel-headers* target
#:key
(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)
`(modify-phases ,phases
(replace 'build
(lambda _
(setenv "ARCH" ,(platform-linux-architecture
(lookup-platform-by-target target)))
(format #t "`ARCH' set to `~a' (cross compiling)~%"
(getenv "ARCH"))
(invoke "make" ,(system->defconfig target))
(invoke "make" "mrproper"
,@(if (version>=? (package-version linux-headers) "5.3")
'("headers")
'("headers_check")))))))))
(native-inputs `(("cross-gcc" ,xgcc)
("cross-binutils" ,xbinutils)
,@(package-native-inputs linux-headers)))))
(define xmig
(cross-mig target #:xgcc xgcc #:xbinutils xbinutils))
(define xgnumach-headers
(cross-gnumach-headers target #:xgcc xgcc #:xbinutils xbinutils))
(define xhurd-headers
(package
(inherit hurd-headers)
(name (string-append (package-name hurd-headers)
"-cross-" target))
(arguments
(substitute-keyword-arguments (package-arguments hurd-headers)
((#:configure-flags flags)
`(cons* ,(string-append "--build=" (%current-system))
,(string-append "--host=" target)
,flags))))
(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)))))
((#:configure-flags flags)
`(cons* ,(string-append "--build=" (%current-system))
,(string-append "--host=" target)
,flags))))
(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))
((#:configure-flags flags)
`(cons* ,(string-append "--build=" (%current-system))
,(string-append "--host=" target)
,flags))
((#:phases phases)
#~(modify-phases #$phases
(add-after 'unpack 'delete-shared-target
;; Cannot create shared libraries due to missing crt1.o
(lambda _
(substitute* "Makeconf"
(("(targets := \\$\\(libname\\)\\.a) \\$\\(libname\\)\\.so" all static)
static)
(("\\$\\(DESTDIR\\)\\$\\(libdir\\)/\\$\\(libname\\)\\.so\\.\\$\\(hurd-version\\)")
"")
(("^libs: .*\\.so\\..*" all)
(string-append "# " all)))))
(add-before 'configure 'set-cross-headers-path
(lambda* (#:key inputs #:allow-other-keys)
(let* ((glibc-headers (assoc-ref inputs "cross-glibc-hurd-headers"))
(mach-headers (assoc-ref inputs "cross-gnumach-headers"))
(cpath (string-append glibc-headers "/include"
":" mach-headers "/include")))
(for-each (cut setenv <> cpath)
'#$%gcc-cross-include-paths)
#t)))))))
(inputs `(("cross-glibc-hurd-headers" ,xglibc/hurd-headers)
("cross-gnumach-headers" ,xgnumach-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)))))
(match target
((or "i586-pc-gnu" "i586-gnu") xhurd-core-headers)
(_ xlinux-headers)))
(define* (cross-libc . args)
(if (or (= (length args) 1) (contains-keyword? args))
(apply cross-libc* args)
(apply cross-libc/deprecated args)))
(define* (cross-libc/deprecated target
#:optional
(libc (libc-for-target target))
(xgcc (cross-gcc target))
(xbinutils (cross-binutils target))
(xheaders (cross-kernel-headers target)))
(warning (G_ "'cross-libc' must be used with keyword arguments~%"))
(cross-libc* target
#:libc libc
#:xgcc xgcc
#:xbinutils xbinutils
#:xheaders xheaders))
(define* (cross-libc* target
#:key
(libc (libc-for-target target))
(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 TARGET doesn't have a standard C library #f is
returned."
(match target
((? target-mingw?)
(let ((machine (substring target 0 (string-index target #\-))))
(make-mingw-w64 machine
#:xgcc xgcc
#:xbinutils xbinutils)))
((or (? target-linux?) (? target-hurd?))
(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 (target-hurd? target)
`(append (list "--disable-werror"
,@%glibc/hurd-configure-flags)
,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 (target-hurd? 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)))
'())))))
;; 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)))
(native-inputs `(("cross-gcc" ,xgcc)
("cross-binutils" ,xbinutils)
,@(if (target-hurd? target)
`(("cross-mig"
,(cross-mig target
#:xgcc xgcc
#:xbinutils xbinutils)))
'())
,@(package-inputs libc) ;FIXME: static-bash
,@(package-native-inputs libc)))))
((? target-avr?)
(make-avr-libc #:xbinutils xbinutils
#:xgcc xgcc))
(else #f)))
(define* (cross-gcc-toolchain/implementation target
#:key
(base-gcc %xgcc)
(xbinutils (cross-binutils target))
(libc (cross-libc
target
#:xgcc (cross-gcc target #:xgcc base-gcc)
#:xbinutils xbinutils))
(xgcc (cross-gcc target
#:xgcc base-gcc
#:libc libc
#:xbinutils xbinutils)))
"Returns PACKAGE that contains a cross-compilation tool chain for TARGET
with XBINUTILS, XGCC and LIBC (if exists for TARGET)."
(package
;; Using PACKAGE-NAME of XGCC is avoided here as there are platforms that
;; still need a toolchain but don't have a libc (e.g. or1k-elf).
(name (string-append "gcc-cross-" target "-toolchain"))
(version (package-version xgcc))
(source #f)
(build-system trivial-build-system)
(arguments
(list #:modules '((guix build union))
#:builder
#~(begin
(use-modules (ice-9 match)
(guix build union))
(match %build-inputs
(((names . directory) ...)
(union-build #$output directory))))))
(inputs `(,xbinutils ,xgcc ,@(if libc (list libc) '())))
(home-page (package-home-page xgcc))
(synopsis
(format #f "Complete GCC tool chain for C/C++ development (~a)" target))
(description "This package provides a complete GCC cross toolchain for
C/C++ development to be installed in user profiles. This includes GCC, as
well as libc (headers and binariesl), and Binutils. GCC is the GNU Compiler
Collection.")
(license (delete-duplicates `(,(package-license xgcc)
,(package-license xbinutils)
,@(if libc
(list (package-license libc))
'()))))))
(define cross-gcc-toolchain
(memoize cross-gcc-toolchain/implementation))
;;; 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.