{"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\/it\/blog\/news\/vypusk-gnu-mes-0-22-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Uscita di GNU Mes 0.22, un toolkit per la costruzione autonoma di distribuzioni.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Presentato<\/a><\/noindex> rilascio degli strumenti GNU Mes 0.22<\/a><\/noindex>, che fornisce il processo di bootstrapping per GCC e consente di ottenere un ciclo di ricompilazione chiuso dai codici sorgente.
\nQuesto strumento affronta il problema della costruzione iniziale verificata del compilatore nelle distribuzioni, interrompendo la catena di ricompilazione ciclica (per costruire un compilatore sono necessari file eseguibili gi\u00e0 compilati, e le build binarie dei compilatori possono essere una fonte potenziale di backdoor, il che non garantisce completamente l'integrit\u00e0 delle build dai codici sorgente di riferimento).<\/p>\n

In GNU Mes si propone<\/a><\/noindex> un interprete autonomo per il linguaggio Scheme, scritto in C, e un compilatore semplice per il linguaggio C (MesCC), scritto in Scheme. Entrambi i componenti sono reciprocamente compilabili. L'interprete Scheme consente di compilare il compilatore C MesCC, che a sua volta permette di assemblare una versione ridotta del compilatore TinyCC<\/a><\/noindex> (tcc), le cui capacit\u00e0 sono gi\u00e0 sufficienti per compilare GCC. <\/p>\n

L'interprete del linguaggio Scheme \u00e8 piuttosto compatto, occupa circa 5000 righe di codice nella pi\u00f9 semplice sotto-linguaggio del C ed \u00e8 in grado di essere convertito in un file eseguibile utilizzando un compilatore universale. M2-Planet<\/a><\/noindex> o un semplice compilatore C, costruito con un assemblatore auto-costruente hex0<\/a><\/noindex>, senza necessitare di dipendenze esterne. In questo modo, l'interprete include un completo garbage collector e fornisce una libreria di moduli caricabili. <\/p>\n

Nella nuova versione \u00e8 stata aggiunta la supporto per build ripetibili utilizzando le combinazioni mes+mescc o guile+mescc nelle distribuzioni GNU Guix, Debian GNU\/Linux e NixOS. \u00c8 stata introdotta la possibilit\u00e0 di eseguire l'interprete Scheme Mes su GNU Hurd, anche se il compilatore C mescc non funziona ancora a causa della mancanza di supporto per le necessarie chiamate di sistema (ad esempio, fork\/exec). \u00c8 stata aggiunta una iniziale supporto per la creazione di file eseguibili su FreeBSD. \u00c8 stata migliorata la supporto per il bootstrapping della distribuzione Guix utilizzando esclusivamente componenti nel linguaggio Scheme (la shell Gash (Guile as Shell) anzich\u00e9 bash e Gash Core Utils anzich\u00e9 coreutils, grep, sed, gzip, make, awk e tar).<\/p>\n

Nei prossimi rilasci \u00e8 previsto il supporto per il bootstrapping su NixOS, l'inclusione del bootstrapping utilizzando solo componenti in linguaggio Scheme nella branch wip-bootstrap, il supporto per l'architettura ARM, la possibilit\u00e0 di compilare Mes.c usando M2-Planet, il supporto completo per i moduli Guile e il corretto funzionamento di mescc con il kernel Hurd.<\/p>\n

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

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

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