{"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, lo strumento per la costruzione autonoma di distribuzioni","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Presentato<\/a><\/noindex> uscita dello strumento GNU Mes 0.22<\/a><\/noindex>, che garantisce il processo di bootstrap per GCC e permette di ottenere un ciclo chiuso di ricompilazione a partire dai sorgenti.
\nLo strumento risolve il problema della costruzione iniziale verificata del compilatore nelle distribuzioni, interrompendo la catena di ricompilazione ciclica (per costruire il compilatore sono necessari eseguibili gi\u00e0 compilati, e le build binarie del compilatore possono essere una fonte potenziale di backdoor, il che non garantisce completamente l'integrit\u00e0 delle build dai sorgenti di riferimento).<\/p>\n

In GNU Mes si propone<\/a><\/noindex> un interprete autonomo (self-hosting) per il linguaggio Scheme, scritto in C, e il pi\u00f9 semplice compilatore per C (MesCC), scritto in Scheme. Entrambi i componenti sono reciprocamente compilabili. L'interprete Scheme permette di costruire il compilatore C MesCC, che a sua volta consente di costruire una versione ridotta del compilatore TinyCC<\/a><\/noindex> (tcc), le cui capacit\u00e0 sono gi\u00e0 sufficienti per costruire GCC. <\/p>\n

L'interprete del linguaggio Scheme \u00e8 sufficientemente compatto, occupa circa 5000 righe di codice nel pi\u00f9 semplice sottoinsieme del linguaggio C e pu\u00f2 essere convertito in un file eseguibile utilizzando un traduttore universale M2-Planet<\/a><\/noindex> o un semplice compilatore C, costruito utilizzando un assemblatore autonomo hex0<\/a><\/noindex>, che non richiede dipendenze esterne. Inoltre, l'interprete include un garbage collector completo e fornisce una libreria di moduli caricabili. <\/p>\n

Nel nuovo rilascio \u00e8 stato garantito il supporto per build ripetibili utilizzando combinazioni mes+mescc o guile+mescc nelle distribuzioni GNU Guix, Debian GNU\/Linux e NixOS. \u00c8 stata aggiunta la possibilit\u00e0 di avviare l'interprete Scheme Mes in GNU Hurd, ma il compilatore C mescc non funziona ancora a causa della mancanza di supporto per le chiamate di sistema necessarie (ad esempio, fork\/exec). \u00c8 stato aggiunto un supporto iniziale per la creazione di file eseguibili FreeBSD. \u00c8 stato migliorato il supporto per il bootstrap della distribuzione Guix utilizzando solo componenti in Scheme (la shell Gash (Guile as Shell) al posto di bash e Gash Core Utils al posto di coreutils, grep, sed, gzip, make, awk e tar).<\/p>\n

Nei prossimi rilasci \u00e8 prevista l'introduzione del supporto per il bootstrapping per NixOS, l'attivazione del bootstrapping utilizzando solo componenti in linguaggio Scheme nella branch wip-bootstrap, supporto per l'architettura ARM, la possibilit\u00e0 di compilare Mes.c utilizzando M2-Planet, supporto completo per i moduli Guile e il 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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