{"id":111454,"date":"2023-11-12T15:10:13","date_gmt":"2023-11-12T13:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gnu-mes-0-25-instrumentariya-dlya-samodostatochnoj-sborki-distributivov"},"modified":"2023-11-12T15:10:13","modified_gmt":"2023-11-12T13:10:13","slug":"vypusk-gnu-mes-0-25-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-gnu-mes-0-25-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Vyd\u00e1n\u00ed GNU Mes 0.25, n\u00e1stroje pro samostatnou kompilaci distribuc\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Po roce a p\u016fl v\u00fdvoje do\u0161lo k vyd\u00e1n\u00ed n\u00e1stroje GNU Mes 0.25, kter\u00fd zaji\u0161\u0165uje proces bootstrappingu pro GCC a umo\u017e\u0148uje dos\u00e1hnout uzav\u0159en\u00e9ho cyklu p\u0159ekompilace z p\u016fvodn\u00edch zdrojov\u00fdch text\u016f. Tento n\u00e1stroj \u0159e\u0161\u00ed \u00falohu verifikovan\u00e9 po\u010d\u00e1te\u010dn\u00ed kompilace p\u0159eklada\u010de v distribuc\u00edch, p\u0159i\u010dem\u017e p\u0159eru\u0161uje \u0159et\u011bzec cyklick\u00e9 p\u0159ekompilace (pro kompilaci p\u0159eklada\u010de jsou pot\u0159eba spustiteln\u00e9 soubory ji\u017e zkompilovan\u00e9ho p\u0159eklada\u010de, a bin\u00e1rn\u00ed verze p\u0159eklada\u010de mohou b\u00fdt potenci\u00e1ln\u00edm zdrojem skryt\u00fdch zadn\u00edch vr\u00e1tek, co\u017e neumo\u017e\u0148uje pln\u011b zaru\u010dit integritu kompilac\u00ed z referen\u010dn\u00edch zdrojov\u00fdch 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\u00e9r jazyka Scheme je velmi kompaktn\u00ed, obsahuje p\u0159ibli\u017en\u011b 5000 \u0159\u00e1dk\u016f k\u00f3du na jednoduch\u00e9m podmno\u017einu 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 jednoduch\u00e9ho C-kompil\u00e1toru, zkompilovan\u00e9ho pomoc\u00ed samokompilovateln\u00e9ho assembleru hex0, kter\u00fd nevy\u017eaduje extern\u00ed z\u00e1vislosti. Interpret\u00e9r nav\u00edc obsahuje plnohodnotn\u00fd sb\u011bra\u010d odpadu a poskytuje knihovnu na\u010d\u00edtateln\u00fdch modul\u016f. Projekt rovn\u011b\u017e rozv\u00edj\u00ed knihovnu C Mes, kter\u00e1 je dosta\u010duj\u00edc\u00ed k tomu, aby zkompilovala glibc 2.2.5, binutils 2.20.1 a gcc 2.95.3, kter\u00e9 jsou nezbytn\u00e9 pro nasazen\u00ed distribuce Guix na platform\u00e1ch i686-linux, x86_64-linux, armhf-linux a aarch64-linux, s vyu\u017eit\u00edm pouze p\u016fvodn\u00edch text\u016f (Full Source Bootstrap). <\/p>\n

V nov\u00e9m vyd\u00e1n\u00ed byla implementov\u00e1na podpora architektury RISC-V (RISC-V64-linux) a byla p\u0159id\u00e1na podpora kompilace s vyu\u017eit\u00edm transpileru M2-Planet. Podporov\u00e1na je sestava s verz\u00ed M2-Planet 1.11.0 pro c\u00edlovou platformu x86_64-linux. Nen\u00ed ji\u017e nutn\u00e9 uv\u00e1d\u011bt re\u017eim "—bootstrap-mode" p\u0159i pou\u017eit\u00ed M2-Planet. V MesCC byly vy\u0159e\u0161eny probl\u00e9my s kompatibilitou s verzemi GCC 10+, byla zaji\u0161t\u011bna inicializace pol\u00ed struktur na hodnotu 0 a byla obnovena mo\u017enost lad\u011bn\u00ed bin\u00e1rn\u00edch soubor\u016f na \u00farovni jednotliv\u00fdch funkc\u00ed. <\/p>\n

V n\u00e1sleduj\u00edc\u00edch vyd\u00e1n\u00edch se o\u010dek\u00e1v\u00e1 podpora bootstrappingu NixOS pouze z p\u016fvodn\u00edch zdrojov\u00fdch k\u00f3d\u016f, podpora modul\u016f pln\u011b kompatibiln\u00edch s Guile, mo\u017enost spu\u0161t\u011bn\u00ed Gash a Gash-Utils, podpora bootstrappingu gcc 4.6.4 a tak\u00e9 mo\u017enost kompletn\u00edho sestaven\u00ed cel\u00e9ho syst\u00e9mu z p\u016fvodn\u00edch zdrojov\u00fdch k\u00f3d\u016f v Linuxov\u00fdch prost\u0159ed\u00edch zalo\u017een\u00fdch na architektur\u00e1ch armhf a riscv64.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f GNU Mes 0.25, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0431\u0443\u0442\u0441\u0442\u0440\u044d\u043f\u043f\u0438\u043d\u0433\u0430 (bootstrap) \u0434\u043b\u044f GCC \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0437\u0430\u043c\u043a\u043d\u0443\u0442\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 \u0438\u0437 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432. 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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111454","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vyd\u00e1n\u00ed GNU Mes 0.25, n\u00e1stroje pro sob\u011bsta\u010dnou stavbu distribuc\u00ed | ProHoster","description":"Po roce a p\u016fl v\u00fdvoje do\u0161lo k vyd\u00e1n\u00ed n\u00e1stroje GNU Mes 0.25, kter\u00fd zaji\u0161\u0165uje proces bootstrappingu pro GCC a umo\u017e\u0148uje dos\u00e1hnout uzav\u0159en\u00e9ho cyklu p\u0159estavby z p\u016fvodn\u00edch zdrojov\u00fdch 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