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utils: Add target-little-endian?.

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* guix/utils.scm (target-little-endian?): New function.
* guix/build-system/meson.scm (make-machine-alist): Use it.
* gnu/packages/chez.scm (nix-system->pbarch-machine-type): Likewise.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Philip McGrath 2023-02-03 20:14:12 -05:00 committed by Ludovic Courtès
parent fb2bf136f0
commit a89aa4523b
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GPG Key ID: 090B11993D9AEBB5
3 changed files with 15 additions and 15 deletions
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9
gnu/packages/chez.scm
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@ -4,7 +4,7 @@
;;; Copyright © 2017, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Brett Gilio <brettg@gnu.org>
;;; Copyright © 2020 Brendan Tildesley <mail@brendan.scot>
;;; Copyright © 2021, 2022 Philip McGrath <philip@philipmcgrath.com>
;;; Copyright © 2021, 2022, 2023 Philip McGrath <philip@philipmcgrath.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -251,10 +251,9 @@ provided and is #f."
(if (target-64bit? system)
"64"
"32")
;; missing (guix utils) predicate target-little-endian?
(if (target-ppc32? system)
"b"
"l")))
(if (target-little-endian? system)
"l"
"b")))
(define* (racket-cs-native-supported-system? #:optional
(system

13
guix/build-system/meson.scm
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@ -74,16 +74,9 @@ for TRIPLET."
;; for selecting optimisations, so set it to something
;; arbitrary.
(#t "strawberries")))
(endian . ,(cond ((string-prefix? "powerpc64le-" triplet) "little")
((string-prefix? "mips64el-" triplet) "little")
((target-x86-32? triplet) "little")
((target-x86-64? triplet) "little")
;; At least in Guix. Aarch64 and 32-bit arm
;; have a big-endian mode as well.
((target-arm? triplet) "little")
((target-ppc32? triplet) "big")
((target-riscv64? triplet) "little")
(#t (error "meson: unknown architecture"))))))
(endian . ,(if (target-little-endian? triplet)
"little"
"big"))))
(define (make-binaries-alist triplet)
"Make an associatoin list describing what should go into

8
guix/utils.scm
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@ -16,6 +16,7 @@
;;; Copyright © 2022 Taiju HIGASHI <higashi@taiju.info>
;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
;;; Copyright © 2022 Antero Mejr <antero@mailbox.org>
;;; Copyright © 2023 Philip McGrath <philip@philipmcgrath.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -104,6 +105,7 @@
target-riscv64?
target-mips64el?
target-64bit?
target-little-endian?
ar-for-target
as-for-target
cc-for-target
@ -744,6 +746,12 @@ architecture (x86_64)?"
(any (cut string-prefix? <> system) '("x86_64" "aarch64" "mips64"
"powerpc64" "riscv64")))
(define* (target-little-endian? #:optional (target (or (%current-target-system)
(%current-system))))
"Is the architecture of TARGET little-endian?"
;; At least in Guix. Aarch64 and 32-bit arm have a big-endian mode as well.
(not (target-ppc32? target)))
(define* (ar-for-target #:optional (target (%current-target-system)))
(if target
(string-append target "-ar")