{"id":99440,"date":"2021-03-15T10:23:06","date_gmt":"2021-03-15T08:23:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gnu-mes-0-23-instrumentariya-dlya-samodostatochnoj-sborki-distributivov"},"modified":"2021-03-15T10:23:06","modified_gmt":"2021-03-15T08:23:06","slug":"vypusk-gnu-mes-0-23-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-gnu-mes-0-23-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Vyd\u00e1n\u00ed GNU Mes 0.23, n\u00e1stroj\u016f pro samostatnou sestaven\u00ed distribuc\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Po roce v\u00fdvoje vyd\u00e1n\u00ed n\u00e1stroje GNU Mes 0.23, kter\u00fd zaji\u0161\u0165uje proces bootstrappingu pro GCC a umo\u017e\u0148uje dos\u00e1hnout uzav\u0159en\u00e9ho cyklu p\u0159ebudov\u00e1n\u00ed z p\u016fvodn\u00edch text\u016f. N\u00e1stroj \u0159e\u0161\u00ed probl\u00e9m verifikovan\u00e9 po\u010d\u00e1te\u010dn\u00ed kompilace p\u0159eklada\u010de v distribuc\u00edch, p\u0159i\u010dem\u017e p\u0159eru\u0161uje \u0159et\u011bzec cyklick\u00e9ho p\u0159ebudov\u00e1n\u00ed (pro sestaven\u00ed p\u0159eklada\u010de jsou vy\u017eadov\u00e1ny spustiteln\u00e9 soubory ji\u017e zkompilovan\u00e9ho p\u0159eklada\u010de, a bin\u00e1rn\u00ed sestaven\u00ed p\u0159eklada\u010de mohou b\u00fdt potenci\u00e1ln\u00edm zdrojem skryt\u00fdch backdoor\u016f, co\u017e neumo\u017e\u0148uje zcela zaru\u010dit integritu sestaven\u00ed z referen\u010dn\u00edch p\u016fvodn\u00edch text\u016f). <\/p>\n

GNU Mes nab\u00edz\u00ed samostatn\u00fd (self-hosting) interpret\u00e9r pro jazyk Scheme, napsan\u00fd v jazyce C, a jednoduch\u00fd kompil\u00e1tor pro jazyk C (MesCC), napsan\u00fd v jazyce Scheme. Oba komponenty jsou vz\u00e1jemn\u011b kompilovateln\u00e9. Interpret\u00e9r jazyka Scheme umo\u017e\u0148uje kompilaci C-kompil\u00e1toru MesCC, kter\u00fd pak umo\u017e\u0148uje kompilaci zjednodu\u0161en\u00e9 verze kompil\u00e1toru TinyCC (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, zauj\u00edm\u00e1 p\u0159ibli\u017en\u011b 5000 \u0159\u00e1dk\u016f k\u00f3du na nejjednodu\u0161\u0161\u00edm podmno\u017ein\u011b jazyka C a m\u016f\u017ee b\u00fdt p\u0159eveden na spustiteln\u00fd soubor pomoc\u00ed univerz\u00e1ln\u00edho p\u0159eklada\u010de M2-Planet nebo nejjednodu\u0161\u0161\u00edho C-kompileru sestaven\u00e9ho za pou\u017eit\u00ed samo\u010dinn\u00e9ho assembleru hex0, kter\u00fd nevy\u017eaduje extern\u00ed z\u00e1vislosti. P\u0159i tom interpret zahrnuje plnohodnotn\u00fd garbage collector a poskytuje knihovnu na\u010ditateln\u00fdch modul\u016f. <\/p>\n

V nov\u00e9m vyd\u00e1n\u00ed byla zavedena podpora architektury ARM (armhf-linux a aarch-linux). Byla p\u0159id\u00e1na mo\u017enost pou\u017eit\u00ed Mes spolu se zkr\u00e1cenou sadou bootstrapov\u00fdch soubor\u016f od projektu GNU Guix (GNU Guix Reduced Binary Seed). Byla zavedena podpora pro stavbu Mes a knihovny Mes C s pou\u017eit\u00edm GCC 10.x. V kompil\u00e1toru MesCC je zaji\u0161t\u011bna dod\u00e1vka vlastn\u00ed knihovny libmescc.a (-lmescc), a p\u0159i sestaven\u00ed s GCC se nyn\u00ed uv\u00e1d\u00ed «-lgcc». Byla zaji\u0161t\u011bna podpora pro sestaven\u00ed MesCC s Guile 3.0.x.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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