{"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\/pt\/blog\/news\/vypusk-gnu-mes-0-25-instrumentariya-dlya-samodostatochnoj-sborki-distributivov","title":{"rendered":"Lan\u00e7amento do GNU Mes 0.25, uma ferramenta para constru\u00e7\u00e3o autossuficiente de distribui\u00e7\u00f5es.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano e meio de desenvolvimento, foi lan\u00e7ado o conjunto de ferramentas GNU Mes 0.25, que possibilita o processo de bootstrapping para o GCC e permite alcan\u00e7ar um ciclo de recompila\u00e7\u00e3o fechado a partir de textos fonte. Este conjunto de ferramentas resolve o problema da constru\u00e7\u00e3o inicial verificada do compilador em distribui\u00e7\u00f5es, rompendo a cadeia de recompila\u00e7\u00e3o c\u00edclica (para a constru\u00e7\u00e3o do compilador, s\u00e3o necess\u00e1rios arquivos execut\u00e1veis de um compilador j\u00e1 compilado, e as compila\u00e7\u00f5es bin\u00e1rias do compilador podem ser fontes potenciais de backdoors ocultos, o que n\u00e3o garante totalmente a integridade das compila\u00e7\u00f5es a partir de textos fonte de refer\u00eancia).    <\/p>\n<p>O GNU Mes oferece um interpretador autocontido (self-hosting) para a linguagem Scheme, escrito em C, e um compilador simples para a linguagem C (MesCC), escrito em Scheme. Ambos os componentes s\u00e3o mutuamente compil\u00e1veis. O interpretador de Scheme permite a compila\u00e7\u00e3o do compilador C MesCC, que, por sua vez, permite compilar uma vers\u00e3o reduzida do compilador TinyCC (tcc), cujas funcionalidades j\u00e1 s\u00e3o suficientes para compilar o GCC.               <\/p>\n<p>O interpretador de Scheme \u00e9 muito compacto, ocupando cerca de 5000 linhas de c\u00f3digo em um subconjunto simples da linguagem C e pode ser convertido em um arquivo execut\u00e1vel usando o tradutor universal M2-Planet ou um compilador C simples, que \u00e9 compilado usando o montador autocontido hex0, que n\u00e3o requer depend\u00eancias externas. O interpretador inclui um coletor de lixo completo e fornece uma biblioteca de m\u00f3dulos carreg\u00e1veis. O projeto tamb\u00e9m desenvolve a biblioteca C Mes, que \u00e9 suficiente para compilar o glibc 2.2.5, binutils 2.20.1 e gcc 2.95.3, necess\u00e1rios para o deployment do Guix nas plataformas i686-linux, x86_64-linux, armhf-linux e aarch64-linux, usando apenas os c\u00f3digos-fonte (Bootstrap Completo).          <\/p>\n<p>Na nova vers\u00e3o, foi implementado suporte \u00e0 arquitetura RISC-V (RISC-V64-linux) e adicionado suporte \u00e0 compila\u00e7\u00e3o usando o transpiler M2-Planet. \u00c9 suportada a constru\u00e7\u00e3o com a vers\u00e3o M2-Planet 1.11.0 para a plataforma de destino x86_64-linux. A especifica\u00e7\u00e3o do modo &#171;&#8212;bootstrap-mode&#187; ao usar o M2-Planet n\u00e3o \u00e9 mais necess\u00e1ria. No MesCC, problemas de compatibilidade com vers\u00f5es do GCC 10+ foram resolvidos, a inicializa\u00e7\u00e3o de campos de estruturas para o valor 0 foi garantida e a capacidade de depura\u00e7\u00e3o de arquivos bin\u00e1rios a n\u00edvel de fun\u00e7\u00f5es individuais foi restaurada.        <\/p>\n<p>Vers\u00f5es futuras devem trazer suporte ao bootstrapping do NixOS apenas a partir de textos fonte, suporte a m\u00f3dulos totalmente compat\u00edveis com Guile, capacidade de execu\u00e7\u00e3o do Gash e Gash-Utils, suporte ao bootstrapping do gcc 4.6.4, al\u00e9m da possibilidade de uma compila\u00e7\u00e3o completa de todo o sistema a partir de textos fonte em ambientes Linux baseados nas arquiteturas armhf e riscv64.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60097\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0440\u0435\u0448\u0430\u0435\u0442 \u0437\u0430\u0434\u0430\u0447\u0443 \u0432\u0435\u0440\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445, \u0440\u0430\u0437\u0440\u044b\u0432\u0430\u044f \u0446\u0435\u043f\u043e\u0447\u043a\u0443 \u0446\u0438\u043a\u043b\u0438\u0447\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0441\u0431\u043e\u0440\u043a\u0438 (\u0434\u043b\u044f \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u0442\u0440\u0435\u0431\u0443\u044e\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b \u0443\u0436\u0435 \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430, \u0430 \u0431\u0438\u043d\u0430\u0440\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u043c \u0441\u043a\u0440\u044b\u0442\u044b\u0445 [&hellip;]<\/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<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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