{"id":55635,"date":"2020-01-25T00:00:00","date_gmt":"2020-01-24T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-gnu-mes-0-22-instrumentariya-dlya-samodostatochnoj-sborki-distributivov"},"modified":"2020-02-18T14:03:46","modified_gmt":"2020-02-18T11:03:46","slug":"vypusk-gnu-mes-0-22-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-gnu-mes-0-22-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Udgivelsen af GNU Mes 0.22, et v\u00e6rkt\u00f8j til selvforsynende opbygning af distributioner","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pr\u00e6senteret<\/a><\/noindex> udgivelse af v\u00e6rkt\u00f8jer GNU Mes 0.22<\/a><\/noindex>, der muligg\u00f8r bootstrap-processen for GCC og g\u00f8r det muligt at opn\u00e5 en lukket cyklus af genopbygning fra kildekoder.
\nV\u00e6rkt\u00f8jet l\u00f8ser opgaven med en verficeret initial opbygning af compilatoren i distributioner, hvilket bryder k\u00e6den af cyklisk genopbygning (for at opbygge compilatoren kr\u00e6ves eksekverbare filer fra en allerede samlet compilator, og bin\u00e6re opbygninger af compilatoren kan v\u00e6re en potentiel kilde til skjulte bagd\u00f8re, hvilket ikke tillader fuld garanti for integriteten af opbygningerne fra reference kildekoder).<\/p>\n

I GNU Mes tilbys<\/a><\/noindex> en selvforsynende interpreter til Scheme-sproget, skrevet i C, og den enkleste C-compiler (MesCC), skrevet i Scheme. Begge komponenter er gensidigt samlede. Scheme-interpreteren muligg\u00f8r opbygningen af C-compileren MesCC, som derefter g\u00f8r det muligt at opbygge en nedsk\u00e5ret version af compilatoren TinyCC<\/a><\/noindex> (tcc), hvis muligheder allerede er tilstr\u00e6kkelige til at bygge GCC. <\/p>\n

Scheme-sprogets interpreter er ganske kompakt, fylder omkring 5000 linjer kode i det enkleste delm\u00e6ngde af C og kan konverteres til en eksekverbar fil ved hj\u00e6lp af en universel translator M2-Planet<\/a><\/noindex> eller den enkleste C-compiler, som er bygget ved hj\u00e6lp af den selvforsynende assembler hex0<\/a><\/noindex>, der ikke kr\u00e6ver eksterne afh\u00e6ngigheder. Samtidig inkluderer interpretereren en fuldt funktionel affaldsgenerator og tilbyder et bibliotek af dynamisk indl\u00e6ste moduler. <\/p>\n

Den nye udgave har sikret support for gentagne opbygninger ved hj\u00e6lp af bundter af mes+mescc eller guile+mescc i GNU Guix, Debian GNU\/Linux og NixOS distributioner. Muligheden for at k\u00f8re Scheme-interpreteren Mes i GNU Hurd er blevet tilf\u00f8jet, men C-compileren mescc fungerer endnu ikke p\u00e5 grund af mangel p\u00e5 st\u00f8tte til de n\u00f8dvendige systemopkald (f.eks. fork\/exec). Grundl\u00e6ggende st\u00f8tte til oprettelse af eksekverbare filer p\u00e5 FreeBSD er blevet tilf\u00f8jet. St\u00f8tten til bootstrapprocessen af Guix-distributionen er forbedret ved kun at bruge komponenter skrevet i Scheme (kommandolinje Gash (Guile as Shell) i stedet for bash og Gash Core Utils i stedet for coreutils, grep, sed, gzip, make, awk og tar).<\/p>\n

I kommende udgivelser forventes der at blive tilf\u00f8jet support til bootstrapping for NixOS, inkludering af bootstrapping udelukkende ved brug af komponenter skrevet i Scheme i wip-bootstrap-grenen, support til ARM-arkitektur, muligheden for at kompilere Mes.c ved hj\u00e6lp af M2-Planet, fuld support til Guile-moduler og sikring af, at mescc fungerer med Hurd-kernen.<\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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