{"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\/cs\/blog\/news\/vypusk-gnu-mes-0-22-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Vyd\u00e1n\u00ed GNU Mes 0.22, n\u00e1stroje pro samostatn\u00e9 sestaven\u00ed distribuc\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u0159edstaven\u00ed<\/a><\/noindex> vyd\u00e1n\u00ed n\u00e1stroje GNU Mes 0.22<\/a><\/noindex>, kter\u00fd zaji\u0161\u0165uje proces bootstrapov\u00e1n\u00ed pro GCC a umo\u017e\u0148uje dos\u00e1hnout uzav\u0159en\u00e9ho cyklu p\u0159estavby z v\u00fdchoz\u00edch text\u016f.
\nN\u00e1stroj \u0159e\u0161\u00ed \u00falohu verifikovan\u00e9 po\u010d\u00e1te\u010dn\u00ed sestavy kompil\u00e1toru v distribuc\u00edch, p\u0159eru\u0161uj\u00edc\u00ed cyklickou p\u0159estavbu (k sestaven\u00ed kompil\u00e1toru jsou vy\u017eadov\u00e1ny spustiteln\u00e9 soubory ji\u017e sestaven\u00e9ho kompil\u00e1toru a bin\u00e1rn\u00ed sestavy kompil\u00e1toru jsou potenci\u00e1ln\u00edm zdrojem skryt\u00fdch zadn\u00edch vr\u00e1tek, co\u017e neumo\u017e\u0148uje pln\u011b garantovat integritu sestav z referen\u010dn\u00edch v\u00fdchoz\u00edch text\u016f).<\/p>\n

V GNU Mes je nab\u00edzena<\/a><\/noindex> samostatn\u00fd (self-hosting) interpret pro jazyk Scheme, napsan\u00fd v jazyce C, a nejjednodu\u0161\u0161\u00ed kompil\u00e1tor pro jazyk C (MesCC), napsan\u00fd v jazyce Scheme. Oba komponenty se vz\u00e1jemn\u011b sestavuj\u00ed. Interpret Scheme umo\u017e\u0148uje sestavit C-kompil\u00e1tor MesCC, kter\u00fd pak umo\u017e\u0148uje sestavit zjednodu\u0161enou verzi kompil\u00e1toru TinyCC<\/a><\/noindex> (tcc), jeho\u017e mo\u017enosti jsou ji\u017e dostate\u010dn\u00e9 pro sestaven\u00ed GCC. <\/p>\n

Interpret jazyka Scheme je dostate\u010dn\u011b kompaktn\u00ed, zab\u00edr\u00e1 p\u0159ibli\u017en\u011b 5000 \u0159\u00e1dk\u016f k\u00f3du v nejjednodu\u0161\u0161\u00edm podmno\u017estv\u00ed jazyka C a m\u016f\u017ee b\u00fdt p\u0159eveden na spustiteln\u00fd soubor pomoc\u00ed univerz\u00e1ln\u00edho p\u0159eklada\u010de M2-Planet<\/a><\/noindex> nebo nejjednodu\u0161\u0161\u00edho C-kompil\u00e1toru, sestaven\u00e9ho pomoc\u00ed samosestaviteln\u00e9ho assembleru hex0<\/a><\/noindex>, kter\u00fd nevy\u017eaduje extern\u00ed z\u00e1vislosti. Interpret zahrnuje plnohodnotn\u00fd garbage collector a poskytuje knihovnu dynamick\u00fdch modul\u016f. <\/p>\n

V nov\u00e9m vyd\u00e1n\u00ed byla zaji\u0161t\u011bna podpora opakovan\u00fdch sestav s vyu\u017eit\u00edm svazk\u016f mes+mescc nebo guile+mescc v distribuc\u00edch GNU Guix, Debian GNU\/Linux a NixOS. P\u0159id\u00e1na mo\u017enost spu\u0161t\u011bn\u00ed Scheme-interpretu Mes v GNU Hurd, ale C-kompil\u00e1tor mescc zat\u00edm nefunguje kv\u016fli absenci podpory pot\u0159ebn\u00fdch syst\u00e9mov\u00fdch vol\u00e1n\u00ed (nap\u0159. fork\/exec). Byla p\u0159id\u00e1na po\u010d\u00e1te\u010dn\u00ed podpora pro vytv\u00e1\u0159en\u00ed spustiteln\u00fdch soubor\u016f FreeBSD. Zlep\u0161ena podpora bootstrapov\u00e1n\u00ed distribuce Guix s pou\u017eit\u00edm pouze komponent\u016f napsan\u00fdch v jazyce Scheme (p\u0159\u00edkazov\u00fd shell Gash (Guile as Shell) m\u00edsto bash a Gash Core Utils m\u00edsto coreutils, grep, sed, gzip, make, awk a tar).<\/p>\n

V p\u0159\u00ed\u0161t\u00edch vyd\u00e1n\u00edch se o\u010dek\u00e1v\u00e1 podpora bootstrappingu pro NixOS, zahrnut\u00ed bootstrappingu pouze s pou\u017eit\u00edm komponent\u016f v jazyce Scheme ve v\u011btvi wip-bootstrap, podpora architektury ARM, mo\u017enost kompilace Mes.c s pou\u017eit\u00edm M2-Planet, \u00fapln\u00e1 podpora modul\u016f Guile, zaji\u0161t\u011bn\u00ed fungov\u00e1n\u00ed mescc s j\u00e1drem Hurd.<\/p>\n

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

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

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