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[73.125.98.51]) by smtp.gmail.com with UTF8SMTPSA id p25-20020a05620a057900b005f1928e8cd0sm4084604qkp.134.2022.02.27.13.33.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 27 Feb 2022 13:33:44 -0800 (PST) From: Philip McGrath Date: Sun, 27 Feb 2022 16:29:18 -0500 Message-Id: <20220227212920.2009000-23-philip@philipmcgrath.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220227212920.2009000-1-philip@philipmcgrath.com> References: <20220220060610.178131-1-philip@philipmcgrath.com> <20220227212920.2009000-1-philip@philipmcgrath.com> MIME-Version: 1.0 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+patchwork=mira.cbaines.net@gnu.org Sender: "Guix-patches" X-getmail-retrieved-from-mailbox: Patches The Racket variant of Chez Scheme can be used to support platforms that are not yet supported by upstream Chez Scheme. * gnu/packages/chez.scm (chez-scheme-for-racket): New variable. (chez-scheme-for-racket-bootstrap-bootfiles)[version, supported-systems]: Derive from 'chez-scheme-for-racket'. * gnu/packages/racket.scm (%racket-version): Update comment. --- gnu/packages/chez.scm | 97 ++++++++++++++++++++++++++++++++++++++--- gnu/packages/racket.scm | 3 +- 2 files changed, 91 insertions(+), 9 deletions(-) diff --git a/gnu/packages/chez.scm b/gnu/packages/chez.scm index 5d5108a2b1..e7ddab0d1f 100644 --- a/gnu/packages/chez.scm +++ b/gnu/packages/chez.scm @@ -52,6 +52,21 @@ (define-module (gnu packages chez) chez-machine->threaded unpack-nanopass+stex)) +;; Commentary: +;; +;; The bootstrapping paths for Chez Scheme and Racket are closely +;; entwined. Racket CS (the default Racket implementation) is based on (a fork +;; of) Chez Scheme. Racket's variant of Chez Scheme shares sources for +;; nanopass and stex with upstream Chez Scheme. +;; +;; Racket's variant of Chez Scheme can be bootstrapped by an older Racket +;; implementation, Racket BC, which can be bootstrapped from C. Porting that +;; code to work with upstream Chez Scheme (or finding an old version that +;; does) is our best hope for some day bootstrapping upstream Chez Scheme from +;; source. +;; +;; Code: + (define (chez-machine->nonthreaded machine) "Given a string MACHINE naming a Chez Scheme machine type, returns a string naming the nonthreaded machine type for the same architecture and OS as @@ -327,6 +342,78 @@ (define* (stex-make #:optional (suffix "")) and 32-bit PowerPC architectures.") (license asl2.0))) +(define-public chez-scheme-for-racket + (package + (inherit chez-scheme) + (name "chez-scheme-for-racket") + (version "9.5.7.3") + ;; The version should match `(scheme-fork-version-number)`. + ;; See racket/src/ChezScheme/s/cmacros.ss c. line 360. + ;; It will always be different than the upstream version! + ;; When updating, remember to also update %racket-version in racket.scm. + (source #f) ; avoid problematic cycle with racket.scm + (inputs + (modify-inputs (package-inputs chez-scheme) + (delete "libx11" "util-linux:lib"))) + (native-inputs + (modify-inputs (package-native-inputs chez-scheme) + (replace "chez-scheme-bootstrap-bootfiles" + chez-scheme-for-racket-bootstrap-bootfiles))) + (arguments + (substitute-keyword-arguments (package-arguments chez-scheme) + ((#:configure-flags cfg-flags #~'()) + #~(cons "--disable-x11" #$cfg-flags)) + ((#:phases those-phases #~%standard-phases) + #~(let* ((those-phases #$those-phases) + (unpack (assoc-ref those-phases 'unpack))) + (modify-phases those-phases + (replace 'unpack + (lambda args + (unpack #:source #$(or (package-source this-package) + (package-source racket-vm-bc))))) + (add-after 'unpack 'chdir + (lambda args + (chdir "racket/src/ChezScheme")))))))) + (supported-systems (filter nix-system->chez-machine + %supported-systems)) + (home-page "https://github.com/racket/ChezScheme") + ;; ^ This is downstream of https://github.com/racket/racket, + ;; but it's designed to be a friendly landing place for people + ;; who want a ChezScheme-shaped repositroy. + (synopsis "Variant of Chez Scheme extended for Racket") + (description "This variant of Chez Scheme is extended to support the +implementation of Racket. It may be useful on platforms that are not yet +supported by upstream Chez Scheme. + +Main additions to Chez Scheme in the Racket variant: +@itemize @bullet +@item +AArch64 support +@item +Portable bytes (@code{pb}) support, which is mainly useful for bootstrapping +a build on any supported platform +@item +Unboxed floating-point arithmetic and flvectors +@item +Type reconstruction during optimization (especially for safe code) +@item +Continuation attachments +@item +Parallel garbage collection, in-place garbage collection for old-generation +objects (instead of always copying), and reachability-based memory +accounting +@item +Ordered finalization, immobile (but collectable) objects, weak/ephemeron +generic hash tables, and reference bytevectors +@item +Faster multiplication and division for large exact numbers +@end itemize") + (license asl2.0))) + +;; +;; Bootfiles: +;; + (define-public chez-scheme-bootstrap-bootfiles (package (inherit chez-scheme) @@ -368,11 +455,7 @@ (define-public chez-scheme-for-racket-bootstrap-bootfiles (package (inherit chez-scheme-bootstrap-bootfiles) (name "chez-scheme-for-racket-bootstrap-bootfiles") - (version "9.5.7.3") - ;; The version should match `(scheme-fork-version-number)`. - ;; See racket/src/ChezScheme/s/cmacros.ss c. line 360. - ;; It will always be different than the upstream version! - ;; When updating, remember to also update %racket-version in racket.scm. + (version (package-version chez-scheme-for-racket)) (source #f) ; avoid problematic cycle with racket.scm (native-inputs (list chez-nanopass-bootstrap racket-vm-bc)) ;; TODO: cross compilation @@ -398,8 +481,8 @@ (define-public chez-scheme-for-racket-bootstrap-bootfiles (invoke (search-input-file (or native-inputs inputs) "/opt/racket-vm/bin/racket") "rktboot/main.rkt")))))))) - (supported-systems (filter nix-system->chez-machine - %supported-systems)) + (supported-systems + (package-supported-systems chez-scheme-for-racket)) (home-page "https://github.com/racket/ChezScheme") ;; ^ This is downstream of https://github.com/racket/racket, ;; but it's designed to be a friendly landing place for people diff --git a/gnu/packages/racket.scm b/gnu/packages/racket.scm index f29e0791a7..50ef8c1f5e 100644 --- a/gnu/packages/racket.scm +++ b/gnu/packages/racket.scm @@ -195,8 +195,7 @@ (define* (racket-vm-for-system #:optional racket-vm-cs racket-vm-bc)) -(define %racket-version "8.4") -;; ^ Remember to update chez-scheme-for-racket-bootstrap-bootfiles! +(define %racket-version "8.4") ; Remember to update chez-scheme-for-racket! (define %racket-commit (string-append "v" %racket-version)) (define %racket-origin