{"id":53249,"date":"2019-11-27T00:00:00","date_gmt":"2019-11-26T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/reliz-sistemy-sborki-cmake-3-16"},"modified":"2020-02-18T14:01:08","modified_gmt":"2020-02-18T11:01:08","slug":"reliz-sistemy-sborki-cmake-3-16","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/reliz-sistemy-sborki-cmake-3-16","title":{"rendered":"Rilascio del sistema di build CMake 3.16","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.kitware.com\/cmake-3-16-0-available-for-download\/\">Presentato<\/a><\/noindex> rilascio di un generatore di script di build open-source e multipiattaforma <noindex><a rel=\"nofollow\" href=\"http:\/\/www.cmake.org\/\">CMake 3.16<\/a><\/noindex>, che funge da alternativa ad Autotools e utilizzato in progetti come KDE, LLVM\/Clang, MySQL, MariaDB, ReactOS e Blender. Il codice di CMake \u00e8 scritto in C++ e distribuito con licenza BSD.<\/p>\n<p>CMake \u00e8 noto per fornire un semplice linguaggio di script, metodi per estendere le funzionalit\u00e0 tramite moduli, un numero minimo di dipendenze (nessun legame con M4, Perl o Python), supporto per la caching, strumenti per cross-compilazione, supporto per la generazione di file di build per una vasta gamma di sistemi di build e compilatori, utilit\u00e0 ctest e cpack per la definizione di script di test e pacchetti di build, e l'utilit\u00e0 cmake-gui per la configurazione interattiva delle impostazioni di build. <\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"https:\/\/cmake.org\/cmake\/help\/v3.16\/release\/3.16.html\">miglioramenti<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Aggiunta la supporto per i linguaggi Objective C (&#171;OBJC&#187;) e Objective<br \/>\n    C++ (&#171;OBJCXX&#187;), che possono essere attivati tramite i comandi project() e enable_language(), dopo di che il codice nei file &#171;.m&#187; &#171;.mm&#187; sar\u00e0 compilato come codice Objective C e Objective C++, anzich\u00e9 come codice C++, come avveniva in precedenza;<\/p>\n<li class=\"l\"> Aggiunto supporto per il compilatore Clang sulla piattaforma Solaris;\n<li class=\"l\"> Aggiunti nuovi parametri da riga di comando: &#171;cmake -E true|false&#187; per restituire i codici di uscita 0 e 1; &#171;cmake &#8212;trace-redirect=&#187; per reindirizzare le informazioni di tracciamento in un file, invece di<br \/>\n  &#171;stderr&#187;; il comando &#171;cmake &#8212;loglevel&#187; \u00e8 stato rinominato in &#171;&#8212;log-level&#187; per allinearsi con la denominazione degli altri comandi;<\/p>\n<li class=\"l\"> Aggiunto il comando &#171;target_precompile_headers()&#187; per elencare i file header utilizzati nella precompilazione (riduce i tempi di compilazione);\n<li class=\"l\"> Aggiunta la propriet\u00e0 &#171;UNITY_BUILD&#187;, che attiva la modalit\u00e0 di elaborazione batch dei file sorgente nei generatori per accelerare la compilazione;\n<li class=\"l\"> Aggiunti i comandi &#171;find_file()&#187;, &#171;find_library()&#187;, &#171;find_path()&#187;,<br \/>\n    &#171;find_package()&#187; e &#171;find_program()&#187; per cercare file, librerie, percorsi, pacchetti ed eseguibili in base alle variabili che definiscono i percorsi di ricerca delle varie categorie di file.<br \/>\nPer gestire i percorsi di base per la ricerca si utilizzano le variabili &#171;CMAKE_FIND_USE_CMAKE_ENVIRONMENT_PATH&#187;, &#171;CMAKE_FIND_USE_CMAKE_PATH&#187;, &#171;CMAKE_FIND_USE_CMAKE_SYSTEM_PATH&#187;, &#171;CMAKE_FIND_USE_PACKAGE_ROOT_PATH&#187;, &#171;CMAKE_FIND_USE_SYSTEM_ENVIRONMENT_PATH&#187; e &#171;CMAKE_FIND_USE_PACKAGE_REGISTRY&#187;;<\/p>\n<li class=\"l\"> Nella funzione &#171;file()&#187; \u00e8 stata aggiunta la modalit\u00e0 &#171;file(GET_RUNTIME_DEPENDENCIES)&#187;, che consente di estrarre ricorsivamente l'elenco delle librerie coinvolte nel collegamento dinamico di un eseguibile o di una libreria. Questa modalit\u00e0 ha sostituito il comando GetPrerequisites(), ora dichiarato obsoleto;\n<li class=\"l\"> Nella funzione &#171;ctest(1)&#187; \u00e8 stata implementata la possibilit\u00e0 di serializzare i test, basandosi sulle risorse richieste per ciascun test;\n<li class=\"l\"> Dichiarata obsoleta la variabile &#171;CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY&#187;, che deve essere sostituita con &#171;CMAKE_FIND_USE_PACKAGE_REGISTRY&#187;;\n<li class=\"l\"> Migliorato il supporto per la piattaforma AIX. Utilizzando la propriet\u00e0 \u00abENABLE_EXPORTS\u00bb, oltre al file eseguibile, ora viene generato un file di importazione per il linker, salvato con l'estensione \u00ab.imp\u00bb. In i plugin creati tramite la chiamata \u00abadd_library()\u00bb con l'opzione \u00abMODULE\u00bb, questo file pu\u00f2 essere utilizzato durante il collegamento con il comando \u00abtarget_link_libraries()\u00bb. Il collegamento a runtime in AIX \u00e8 disabilitato per impostazione predefinita, poich\u00e9 CMake fornisce ora tutte le informazioni necessarie sui simboli per il binding al momento del caricamento. Per applicare il collegamento a runtime di librerie dinamiche o moduli caricati, \u00e8 necessario specificare esplicitamente le opzioni \u00ab-Wl,-G\u00bb negli elenchi di flag di avvio del linker, definiti tramite le variabili \u00abCMAKE_SHARED_LINKER_FLAGS\u00bb e \u00abCMAKE_MODULE_LINKER_FLAGS\u00bb.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51938\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432 \u0441\u0431\u043e\u0440\u043a\u0438 CMake 3.16, \u0432\u044b\u0441\u0442\u0443\u043f\u0430\u044e\u0449\u0435\u0433\u043e \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u044b Autotools \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0432 \u0442\u0430\u043a\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u0445, \u043a\u0430\u043a KDE, LLVM\/Clang, MySQL, MariaDB, ReactOS \u0438 Blender. \u041a\u043e\u0434 CMake \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C++ \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. CMake \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u0435\u043d \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u043e\u0433\u043e \u044f\u0437\u044b\u043a\u0430 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432, \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0447\u0435\u0440\u0435\u0437 \u043c\u043e\u0434\u0443\u043b\u0438, \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c \u0447\u0438\u0441\u043b\u043e\u043c \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (\u043d\u0435\u0442 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u043a [&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-53249","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432 \u0441\u0431\u043e\u0440\u043a\u0438\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" 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