{"id":55413,"date":"2020-01-20T00:00:00","date_gmt":"2020-01-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/sotrudnik-red-hat-predstavil-sborochnuyu-sistemu-goals-vypusk-gnu-make-4-2"},"modified":"2020-02-18T14:03:31","modified_gmt":"2020-02-18T11:03:31","slug":"sotrudnik-red-hat-predstavil-sborochnuyu-sistemu-goals-vypusk-gnu-make-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/sotrudnik-red-hat-predstavil-sborochnuyu-sistemu-goals-vypusk-gnu-make-4-2","title":{"rendered":"Pracownik Red Hat zaprezentowa\u0142 system budowy Goals. Wydanie GNU Make 4.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Richard Jones (Richard WM Jones), autor <noindex><a rel=\"nofollow\" href=\"http:\/\/libguestfs.org\/\">libguestfs<\/a><\/noindex>, pracuj\u0105cy w firmie Red Hat, <noindex><a rel=\"nofollow\" href=\"https:\/\/rwmj.wordpress.com\/2020\/01\/14\/goals-an-experimental-new-tool-which-generalizes-make\/\">przedstawi\u0142<\/a><\/noindex> nowe narz\u0119dzie do budowania <noindex><a rel=\"nofollow\" href=\"https:\/\/people.redhat.com\/~rjones\/goals\/\">Cele<\/a><\/noindex>, kt\u00f3rego celem jest usuni\u0119cie wad i problem\u00f3w w narz\u0119dziu make przy zachowaniu og\u00f3lnej prostoty i zrozumia\u0142o\u015bci skrypt\u00f3w. Narz\u0119dzie make zosta\u0142o zaprojektowane w 1976 roku i ma szereg koncepcyjnych niedor\u00f3bek, kt\u00f3re w Cele planuje si\u0119 usun\u0105\u0107, nie zmieniaj\u0105c og\u00f3lnej koncepcji.<br \/>\nKod \u017ar\u00f3d\u0142owy Cel\u00f3w <noindex><a rel=\"nofollow\" href=\"http:\/\/git.annexia.org\/?p=goals.git;a=summary\">rozpowszechniany<\/a><\/noindex> na licencji GPLv2+. <\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/git.annexia.org\/?p=libguestfs-talks.git;a=blob;f=2020-goals\/notes.txt;h=b03d9e5ea1062869c642a1850a09340ea1575116;hb=HEAD\">Rozwi\u0105zywane problemy<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Wsparcie tylko jednej taktyki rozwi\u0105zywania zale\u017cno\u015bci \u2014 \u201einstrukcja budowy uruchomi si\u0119, je\u015bli plik docelowy jest nieobecny lub starszy ni\u017c jedna z zale\u017cno\u015bci\u201d. W Goals planowane jest wdro\u017cenie tak\u017ce innych taktyk, takich jak sprawdzanie obecno\u015bci URL, por\u00f3wnywanie czasu modyfikacji z dowolnym plikiem, ocena budowy pakietu w <noindex><a rel=\"nofollow\" href=\"https:\/\/fedoraproject.org\/wiki\/Koji\">Koji<\/a><\/noindex>, por\u00f3wnywanie sum kontrolnych, uruchamianie zestaw\u00f3w testowych z selektywnym pomijaniem test\u00f3w.\n<li class=\"l\"> Podczas przetwarzania cel\u00f3w budowy narz\u0119dzie make nie rozdziela plik\u00f3w i nazw regu\u0142, w zwi\u0105zku z czym nie ma kontroli, \u017ce przy uruchomieniu regu\u0142y rzeczywi\u015bcie zostanie stworzony plik, kt\u00f3rego utworzenie jest zadeklarowane. Na przyk\u0142ad, je\u015bli przy istnieniu regu\u0142y o nazwie \u201etest\u201d, uruchamiaj\u0105cej skrypty z testami, przypadkowo zostanie stworzony plik o nazwie \u201etest\u201d, to testy przestan\u0105 by\u0107 uruchamiane, poniewa\u017c make uzna, \u017ce cel jest zbudowany i nie wymaga realizacji jakichkolwiek dzia\u0142a\u0144 (aby obej\u015b\u0107 problem, w make mo\u017cna poda\u0107 dyrektyw\u0119 \u201e.PHONY: test\u201d). Goals wyra\u017anie rozdziela pliki i nazwy regu\u0142.\n<p><center><img decoding=\"async\" alt=\"Pracownik Red Hat zaprezentowa\u0142 system budowy Goals. Wydanie GNU Make 4.2\" src=\"\/wp-content\/uploads\/2020\/01\/47f42c47650ed38ae84938634edf1328.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<li class=\"l\"> Problem z podawaniem tylko jednego parametru dla polece\u0144 budowlanych.\n<p><center><img decoding=\"async\" alt=\"Pracownik Red Hat zaprezentowa\u0142 system budowy Goals. Wydanie GNU Make 4.2\" src=\"\/wp-content\/uploads\/2020\/01\/2a81f9f98745e6d2ddbb90e21b110295.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>W Cele zaproponowano u\u017cycie dowolnej liczby nazwanych parametr\u00f3w. Na przyk\u0142ad, mo\u017cna oddzieli\u0107 z nazwy cech\u0119 pliku debugowania:<\/p>\n<p><center><img decoding=\"async\" alt=\"Pracownik Red Hat zaprezentowa\u0142 system budowy Goals. Wydanie GNU Make 4.2\" src=\"\/wp-content\/uploads\/2020\/01\/ffc783f17ae76bb4d928351ac216d828.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<li class=\"l\"> Problemy z interakcj\u0105 z pow\u0142ok\u0105. Na przyk\u0142ad, konieczno\u015b\u0107 kontrolowania escapowania spacji w nazwach plik\u00f3w i katalog\u00f3w, zu\u017cycie zasob\u00f3w na uruchomienie osobnej pow\u0142oki przy wykonywaniu ka\u017cdej komendy, podw\u00f3jna interpretacja symbolu \u201e$\u201d (u\u017cywanego zar\u00f3wno w pow\u0142oce, jak i w make), uwzgl\u0119dnianie wci\u0119\u0107.\n<p>Wymienione problemy s\u0105 rozwi\u0105zywane w Goals poprzez zastosowanie symbolu \u201e%\u201d zamiast \u201e$\u201d dla zmiennych budowy (\u201e$\u201d pozostaje tylko dla pow\u0142oki), wykorzystanie parsera <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/LALR(1)\">LALR(1)<\/a><\/noindex>, kt\u00f3ry wymaga otaczania \u015bcie\u017cek i nazw plik\u00f3w cudzys\u0142owami oraz umieszczania blok\u00f3w kodu w nawiasach klamrowych. Ca\u0142y blok jest uruchamiany w jednym egzemplarzu pow\u0142oki, a wewn\u0105trz bloku dopuszczalne jest dowolne formatowanie kodu, bez powi\u0105zania z okre\u015blonymi spacjami.<\/p>\n<p>By\u0142o:<br \/>\n    target: foo.o bar.o<br \/>\n     ${CC} ${CFLAGS} &lt;$ -o $@       <\/p>\n<p>Sta\u0142o si\u0119:<br \/>\n    \u201etarget\u201d: \u201efoo.o\u201d, \u201ebar.o\u201d {<br \/>\n        LAGS %&lt; -o %@<br \/>\n    }<\/p>\n<\/ul>\n<p>Inne cechy Goals:<\/p>\n<ul>\n<li class=\"l\"> Opcjonalne wsparcie dla definiowania dowolnych nazw i parametr\u00f3w:\n<p>     cel all = : \u201etarget\u201d<\/p>\n<p>     goal link =<br \/>\n     \u201etarget\u201d: \u201efoo.o\u201d, \u201ebar.o\u201d { \u2026 }<\/p>\n<p>     goal compile (name) =<br \/>\n     \u201e%name.o\u201d: \u201e%name.c\u201d, \u201edep.h\u201d { LAGS -c $^ -o $@ }<\/p>\n<li class=\"l\"> Dwa tryby uruchamiania: tryb make do dopasowywania cel\u00f3w budowy do nazw plik\u00f3w (na przyk\u0142ad plik \u201efoo.o\u201d odpowiada celowi \u201e%name.o\u201d), oraz tryb bezpo\u015bredniego uruchomienia kompilacji:\n<p>     goal all = : link<\/p>\n<p>     goal link =<br \/>\n     \u201etarget\u201d: \u201efoo.o\u201d, compile (\u201ebar\u201d) { \u2026 }<\/p>\n<p>     goal compile (name) =<br \/>\n     \u201e%name.o\u201d: \u201e%name.c\u201d, \u201edep.h\u201d { LAGS -c $^ -o $@ }<\/p>\n<li class=\"l\"> Taktyka budowy jest definiowana przez specjalne regu\u0142y, za pomoc\u0105 kt\u00f3rych mo\u017cna okre\u015bli\u0107 potrzeb\u0119 ponownej budowy celu budowy. Je\u015bli odbywa si\u0119 powi\u0105zanie z obecno\u015bci\u0105 pliku, to jest to wyra\u017anie okre\u015blone przez odpowiedni wska\u017anik (\u201etarget\u201d dla nazwy regu\u0142y i *file(\u201etarget\u201d) dla sprawdzenia pliku).\n<p>  \u201etarget\u201d: \u201efoo.o\u201d, \u201ebar.o\u201d { \u2026 }<\/p>\n<p>  *file(\u201etarget\u201d): *file(\u201efoo.o\u201d), *file(\u201ebar.o\u201d) { \u2026 }<\/p>\n<li class=\"l\"> Programista mo\u017ce definiowa\u0107 dowolne atrybuty taktyk kompilacji. Atrybut \u201e*file\u201d jest zdefiniowany domy\u015blnie (@{\u2026} wskazuje na t\u0142umienie wyj\u015bcia, a \u201eexit 99\u201d sygnalizuje konieczno\u015b\u0107 ponownego kompilowania):\n<p>   tactic *file (filename) = @{<br \/>\n      test -f %filename || exit 99<br \/>\n      for f in %<\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52215\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0438\u0447\u0430\u0440\u0434 \u0414\u0436\u043e\u043d\u0441 (Richard WM Jones), \u0430\u0432\u0442\u043e\u0440 libguestfs, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043d\u043e\u0432\u0443\u044e \u0441\u0431\u043e\u0440\u043e\u0447\u043d\u0443\u044e \u0443\u0442\u0438\u043b\u0438\u0442\u0443 Goals, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u0443\u044e \u043d\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u043e\u0432 \u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 make \u043f\u0440\u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0438 \u043e\u0431\u0449\u0435\u0439 \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u044b \u0438 \u043f\u043e\u043d\u044f\u0442\u043d\u043e\u0441\u0442\u0438 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432. \u0423\u0442\u0438\u043b\u0438\u0442\u0430 make \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0432 1976 \u0433\u043e\u0434\u0443 \u0438 \u0438\u043c\u0435\u0435\u0442 \u0440\u044f\u0434 \u043a\u043e\u043d\u0446\u0435\u043f\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043e\u043a, \u0432 Goals \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u0442\u044c \u044d\u0442\u0438 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u043d\u0435 \u043c\u0435\u043d\u044f\u044f \u043e\u0431\u0449\u0435\u0439 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0439 [&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-55413","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 - 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