{"id":207878,"date":"2025-07-08T10:34:24","date_gmt":"2025-07-08T02:34:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207878\/"},"modified":"2025-07-08T10:34:24","modified_gmt":"2025-07-08T02:34:24","slug":"log-println-%e4%b8%8d%e9%80%82%e7%94%a8%e4%ba%8e-makefile-%e7%9a%84-os-exit1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207878\/","title":{"rendered":"log.Println \u4e0d\u9002\u7528\u4e8e makefile \u7684 os.Exit(1)"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>log.Println \u4e0d\u9002\u7528\u4e8e makefile \u7684 os.Exit(1)<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-26 12:06:36<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60Golang\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300alog.Println \u4e0d\u9002\u7528\u4e8e makefile \u7684 os.Exit(1)\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6709\u4e00\u4e2a go \u547d\u4ee4\u884c\u5de5\u5177\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>err := dosomething()\nif err != nil {\n    log.println(err) \/\/fmt.println(err)\n    os.exit(1)\n}<\/pre>\n<p>\u5728<strong>ma\u200b\u200bkefile<\/strong>\u4e2d\uff0c\u6211\u6b63\u5728\u505a\uff1a<\/p>\n<pre>V = 0\nQ = $(if $(filter1, $V),,@)\n.PHONY: dosomething\ndosomething: ; $(info $(shell printf \"running dosomething\")) @\n    $Q cd $(BASE) &amp;&amp; ret=0 \\\n          test -z \"$$($(dosomething))\" || ret = 1 ; \\\n       exit $$ret<\/pre>\n<p> \u4f7f\u7528<br \/>\n<code>fmt.println(err)<\/code> \u65f6 <\/p>\n<p><strong>ma\u200b\u200bke<\/strong> \u5931\u8d25\uff08\u5982\u679c\u53d1\u751f\u9519\u8bef\uff09\uff0c\u4f46\u4e0d\u6253\u5370\u4efb\u4f55\u5185\u5bb9\u3002\u5f53\u6211\u4f7f\u7528 <code>log.println<\/code> \u65f6\uff0c\u5b83\u4f1a\u6253\u5370\u9519\u8bef\uff0c\u4f46 <strong>ma\u200b\u200bke<\/strong> \u7ee7\u7eed\u3002\u5982\u4f55\u4f7f <strong>ma\u200b\u200bke<\/strong> \u5931\u8d25\u5e76\u6253\u5370\u9519\u8bef\uff1f\u53e6\u5916\uff0c\u5982\u679cgolang\u4ee3\u7801\u4e2d\u51fa\u73b0panic()\u8be5\u600e\u4e48\u529e\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u6211\u6839\u672c\u4e0d\u7406\u89e3\u8fd9\u4e2amakefile\u3002 <code>$(info $(shell printf \"running dosomething\"))<\/code> \u5e94\u8be5\u505a\u4ec0\u4e48\uff1f\u4e3a\u4ec0\u4e48\u4e0d\u53ea\u662f <code>$(info running dosomething)<\/code>\uff1f\u4e00\u822c\u6765\u8bf4\uff0c\u4f60\u6c38\u8fdc\u4e0d\u60f3\u5728\u914d\u65b9\u4e2d\u4f7f\u7528 make \u7684 <code>shel\u200b\u200bl<\/code> \u51fd\u6570\uff0c\u5b83\u53ea\u4f1a\u5bfc\u81f4\u6df7\u4e71\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u60a8\u7684\u683c\u5f0f\u4f3c\u4e4e\u9519\u8bef\uff0c\u56e0\u4e3a\u60a8\u5c06 <code>@<\/code> \u653e\u5728\u4e86\u884c\u5c3e\u3002<\/p>\n<p>\u5728 <code>ret=0<\/code> \u4e4b\u540e\u8fd8\u9700\u8981\u4e00\u4e2a\u5206\u53f7\u3002<\/p>\n<p>\u6700\u540e\uff0c<code>$$($(dosomething))<\/code> \u5e94\u8be5\u505a\u4ec0\u4e48\uff1f\u60a8\u5c1a\u672a\u5c06 make \u53d8\u91cf <code>dosomething<\/code> \u8bbe\u7f6e\u4e3a\u4efb\u4f55\u503c\uff0c\u56e0\u6b64\u8fd9\u57fa\u672c\u4e0a\u662f\u4e00\u4e2a\u65e0\u64cd\u4f5c\u3002<\/p>\n<p>\u6211\u53ea\u80fd\u5047\u8bbe\u5728\u4f60\u771f\u6b63\u7684 makefile \u4e2d\u4f60\u5c06 make \u53d8\u91cf <code>dosomething<\/code> \u8bbe\u7f6e\u4e3a\u4f60\u60f3\u8981\u8fd0\u884c\u7684\u547d\u4ee4\u3002\u63d0\u51fa\u95ee\u9898\u65f6\uff0c\u60a8\u63d0\u4f9b\u91cd\u73b0\u95ee\u9898\u7684\u5b9e\u9645\u6587\u4ef6\uff08\u5982\u679c\u5b9e\u9645\u6587\u4ef6\u592a\u5927\u6216\u590d\u6742\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u5c0f\u578b\u91cd\u73b0\u6848\u4f8b\uff09\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9020\u6210\u6df7\u4e71\u7684\u539f\u56e0\u5f88\u7b80\u5355\uff1b\u5f53\u60a8\u5728 shell \u4e2d\u8fd0\u884c <code>$(dosomething)<\/code> \u65f6\uff0c\u5b83\u4f1a\u8fd0\u884c <code>dosomething<\/code> \u7a0b\u5e8f\u5e76\u6355\u83b7\u5176\u6807\u51c6\u8f93\u51fa\u5e76\u6269\u5c55\u4e3a\u8be5\u5b57\u7b26\u4e32&#8230;\u56e0\u6b64\u8f93\u51fa<em>\u4e0d\u4f1a\u6253\u5370<\/em>\u3002\u5b83\u88ab\u6355\u83b7\u4e86\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>$ echo hi\nhi\n$ foo=$(echo hi)\n$ echo $foo\nhi<\/pre>\n<p>\u8bf7\u6ce8\u610f\u7b2c\u4e8c\u4e2a\u547d\u4ee4\u4e2d <code>hi<\/code> \u6ca1\u6709\u88ab\u6253\u5370\uff0c\u56e0\u4e3a\u5b83\u88ab\u6355\u83b7\u5e76\u5b58\u50a8\u5728 <code>foo<\/code> \u53d8\u91cf\u4e2d\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c<code>$(...)<\/code> \u4e0d\u6355\u83b7 stderr\uff0c\u4ec5\u6355\u83b7 stdout\uff1a<\/p>\n<pre>$ echo hi 1&gt;&amp;2\nhi\n$ foo=$(echo hi 1&gt;&amp;2)\nhi\n$ echo $foo<\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c<code>hi<\/code> \u88ab\u6253\u5370\uff08\u5230\u6807\u51c6\u8f93\u51fa\uff09\u5e76\u4e14\u672a\u88ab\u6355\u83b7\uff08\u56e0\u6b64 <code>foo<\/code> \u73b0\u5728\u4e3a\u7a7a\uff09\u3002<\/p>\n<p>\u6211\u5bf9 go \u4e0d\u592a\u4e86\u89e3\uff0c\u4f46\u6211\u53ea\u80fd\u5047\u8bbe\u60a8\u663e\u793a\u7684\u4e24\u4e2a\u51fd\u6570\u4e4b\u4e00\u6253\u5370\u5230 stdout\uff0c\u53e6\u4e00\u4e2a\u6253\u5370\u5230 stderr\u3002<\/p>\n<p>\u60a8\u4e0d\u60f3\u6355\u83b7\u4efb\u4f55\u8f93\u51fa\u5e76\u8fdb\u884c\u6bd4\u8f83\uff0c\u800c\u662f\u60f3\u6bd4\u8f83\u7a0b\u5e8f\u7684\u9000\u51fa\u4ee3\u7801\u3002\u4f60\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n<pre>V = 0\nQ = $(if $(filter1, $V),,@)\n.PHONY: dosomething\ndosomething = &lt;command-to-run&gt;\ndosomething:\n        $(info running dosomething)\n        $Q cd $(BASE) &amp;&amp; $(dosomething)<\/pre>\n<p>\u8fd9\u5141\u8bb8 <code>dosomething<\/code> \u547d\u4ee4\u7684\u8f93\u51fa\u8fd0\u884c\u800c\u4e0d\u6355\u83b7\u4efb\u4f55\u8f93\u51fa\uff0c\u5e76\u4e14\u5b83\u5c06\u4ee5\u547d\u4ee4\u7684\u9000\u51fa\u4ee3\u7801\u9000\u51fa\uff0c\u6210\u529f\u65f6\u8be5\u9000\u51fa\u4ee3\u7801\u5c06\u4e3a 0\uff0c\u51fa\u9519\u65f6\u5219\u4e0d\u662f 0\uff08\u5728\u60a8\u7684\u60c5\u51b5\u4e0b\u4e3a 1\uff09\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300alog.Println \u4e0d\u9002\u7528\u4e8e makefile \u7684 os.Exit(1)\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207878","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207878"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207878\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}