{"id":1580,"date":"2024-06-30T10:13:48","date_gmt":"2024-06-30T02:13:48","guid":{"rendered":"https:\/\/lyvba.com\/?p=1580"},"modified":"2024-06-30T10:32:21","modified_gmt":"2024-06-30T02:32:21","slug":"musl_install_01","status":"publish","type":"post","link":"https:\/\/lyvba.com\/index.php\/2024\/06\/30\/musl_install_01\/","title":{"rendered":"C\u8bed\u8a00\u5b66\u4e60: linux\u7cfb\u7edf\u4e0a \u8f7b\u91cf\u7b80\u5355\u7684 musl C \u6807\u51c6\u5e93\u5b66\u4e60"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/lyvba.com\/wp-content\/uploads\/2024\/06\/Musl_libc.svg_.png\" alt=\"\" \/><\/p>\n<h2>musl \u5e93 \u7b80\u4ecb<\/h2>\n<ul>\n<li>\n<p>musl\u662f\u5728 Linux \u7cfb\u7edf\u8c03\u7528 API \u4e4b\u4e0a\u6784\u5efa\u7684 C \u6807\u51c6\u5e93\u7684\u5b9e\u73b0\uff0c\u5305\u62ec\u57fa\u7840\u8bed\u8a00\u6807\u51c6\u3001POSIX \u548c\u5e7f\u6cdb\u8ba4\u53ef\u7684\u6269\u5c55\u4e2d\u5b9a\u4e49\u7684\u63a5\u53e3\u3002musl\u8f7b\u91cf\u3001\u5feb\u901f\u3001\u7b80\u5355\u3001\u514d\u8d39\uff0c\u5e76\u529b\u6c42\u5728\u6807\u51c6\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u65b9\u9762\u505a\u5230\u6b63\u786e\u3002<\/p>\n<\/li>\n<li>\n<p>\u63d0\u4f9b\u4ece\u5fae\u578b\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5230\u6210\u719f\u670d\u52a1\u5668\u7684\u4e00\u81f4\u8d28\u91cf\u548c\u5b9e\u65bd\u884c\u4e3a\u3002\u6700\u5c0f\u673a\u5668\u7279\u5b9a\u4ee3\u7801\u610f\u5473\u7740\u5728\u5c11\u6570\u67b6\u6784\u4e0a\u53d1\u751f\u6545\u969c\u7684\u53ef\u80fd\u6027\u66f4\u5c0f\uff0c\u5e76\u4e14\u201c\u4e00\u6b21\u7f16\u5199\uff0c\u968f\u5904\u8fd0\u884c\u201d\u7684 C \u5f00\u53d1\u66f4\u6210\u529f\u3002<\/p>\n<\/li>\n<li>\n<p>musl \u7684\u6548\u7387\u5728 Linux libc \u5b9e\u73b0\u4e2d\u65e0\u4e0e\u4f26\u6bd4\u3002musl \u4ece\u4e00\u5f00\u59cb\u5c31\u4e3a\u9759\u6001\u94fe\u63a5\u800c\u8bbe\u8ba1\uff0c\u5c0f\u5fc3\u907f\u514d\u5f15\u5165\u5e94\u7528\u7a0b\u5e8f\u4e0d\u4f1a\u4f7f\u7528\u7684\u5927\u91cf\u4ee3\u7801\u6216\u6570\u636e\u3002\u52a8\u6001\u94fe\u63a5\u4e5f\u5f88\u9ad8\u6548\uff1b\u901a\u8fc7\u5c06\u6574\u4e2a\u6807\u51c6\u5e93\u5b9e\u73b0\uff08\u5305\u62ec\u7ebf\u7a0b\u3001\u6570\u5b66\uff0c\u751a\u81f3\u52a8\u6001\u94fe\u63a5\u5668\u672c\u8eab\uff09\u96c6\u6210\u5230\u5355\u4e2a\u5171\u4eab\u5bf9\u8c61\u4e2d\uff0c\u52a8\u6001\u94fe\u63a5\u7684\u5927\u90e8\u5206\u542f\u52a8\u65f6\u95f4\u548c\u5185\u5b58\u5f00\u9500\u5df2\u88ab\u6d88\u9664\u3002<\/p>\n<\/li>\n<li>\n<p>musl \u662f Linux \u4e0a\u7b2c\u4e00\u4e2a POSIX \u7ebf\u7a0b\u7684\u540e NPTL \u5b9e\u73b0\uff0c\u4e5f\u662f\u7b2c\u4e00\u4e2a\u4ee5\u5b8c\u5168\u4e00\u81f4\u6027\u548c\u7a33\u5065\u6027\u4e3a\u76ee\u6807\u7684\u5b9e\u73b0\u3002\u7ebf\u7a0b\u53d6\u6d88\u529f\u80fd\u5df2\u91cd\u65b0\u8bbe\u8ba1\uff0c\u4ee5\u907f\u514d\u539f\u59cb NPTL \u8bbe\u8ba1\u4e2d\u51fa\u73b0\u4e25\u91cd\u7684\u7ade\u4e89\u6761\u4ef6\u3002\u81f3\u4e8e\u6548\u7387\uff0c\u6574\u4e2a\u7ebf\u7a0b\u5b9e\u73b0\u7684\u91cd\u91cf\u7ea6\u4e3a 10-20k\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u76ee\u6807\u67b6\u6784\u548c\u7f16\u8bd1\u5668\u8bbe\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e0d\u4ec5\u662f\u7ebf\u7a0b\u5b9e\u73b0\uff0cmusl \u4e2d\u7684\u6240\u6709\u4ee3\u7801\u90fd\u7ecf\u8fc7\u4e86\u5b9e\u65f6\u8d28\u91cf\u7a33\u5065\u6027\u8bbe\u8ba1\u3002\u5185\u5b58\u4e0d\u8db3\u6216\u8d44\u6e90\u8017\u5c3d\u7684\u60c5\u51b5\u7edd\u4e0d\u4f1a\u81f4\u547d\u3002musl \u6ca1\u6709\u4e0d\u5fc5\u8981\u7684\u52a8\u6001\u5206\u914d\uff0c\u4e5f\u6ca1\u6709\u65e0\u6cd5\u6062\u590d\u7684\u540e\u671f\u6545\u969c\u3002\u6240\u6709\u9519\u8bef\u60c5\u51b5\u90fd\u53ef\u4ee5\u7531\u5e94\u7528\u7a0b\u5e8f\u68c0\u6d4b\u548c\u5904\u7406\uff1b\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u5408\u7406\u5904\u7406\u6545\u969c\u7684\u63a5\u53e3\u4e0d\u4f1a\u5931\u8d25\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528 musl \u53ef\u6700\u5927\u7a0b\u5ea6\u5730\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u90e8\u7f72\u6027\u3002\u5176\u5bbd\u677e\u7684 MIT \u8bb8\u53ef\u8bc1\u4e0e\u6240\u6709 FOSS \u8bb8\u53ef\u8bc1\u517c\u5bb9\uff0c\u652f\u6301\u9759\u6001\u94fe\u63a5\uff0c\u5e76\u4e14\u5546\u4e1a\u4f7f\u7528\u4e5f\u6beb\u4e0d\u8d39\u529b\u3002\u4f7f\u7528 musl \u9759\u6001\u94fe\u63a5\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u6ca1\u6709\u5916\u90e8\u4f9d\u8d56\u9879\uff0c\u5373\u4f7f\u662f\u4f7f\u7528 glibc \u4e0a\u7684\u52a8\u6001\u52a0\u8f7d\u5b9e\u73b0\u7684 DNS \u67e5\u627e\u6216\u5b57\u7b26\u96c6\u8f6c\u6362\u7b49\u529f\u80fd\u4e5f\u662f\u5982\u6b64\u3002\u5e94\u7528\u7a0b\u5e8f\u5b9e\u9645\u4e0a\u53ef\u4ee5\u90e8\u7f72\u4e3a\u5355\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u5e76\u5728\u5177\u6709\u9002\u5f53\u6307\u4ee4\u96c6\u67b6\u6784\u548c Linux \u5185\u6838\u6216 Linux \u7cfb\u7edf\u8c03\u7528 ABI \u6a21\u62df\u5c42\u7684\u4efb\u4f55\u673a\u5668\u4e0a\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u6700\u540e\uff0cmusl \u5177\u6709\u7b80\u5355\u7684\u6e90\u4ee3\u7801\u548c\u6e90\u6811\u5e03\u5c40\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f7b\u677e\u81ea\u5b9a\u4e49\u6216\u8ffd\u8e2a\u610f\u5916\u884c\u4e3a\u6216\u9519\u8bef\u7684\u539f\u56e0\uff0c\u6216\u8005\u53ea\u662f\u4e86\u89e3\u5e93\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u4f7f\u7528 musl \u5e93<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/lyvba.com\/wp-content\/uploads\/2024\/06\/musl-use.png\" alt=\"\" \/><\/p>\n<p>\u5728\u5df2\u5efa\u7acb\u7684\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u751f\u6001\u7cfb\u7edf\u4e2d\uff0cC \u5e93\u662f\u6700\u96be\u4ea4\u6362\u548c\u66ff\u6362\u7684\u7ec4\u4ef6\u4e4b\u4e00\u3002\u4e00\u5207\u90fd\u53d6\u51b3\u4e8e\u5b83\u63d0\u4f9b\u7684\u63a5\u53e3\u3002musl \u7684\u8bbe\u8ba1\u7b80\u5355\u800c\u9ad8\u6548\uff0c\u65e0\u8bba\u662f\u4f5c\u4e3a\u7cfb\u7edf\u8303\u56f4\u7684 libc \u8fd8\u662f\u7528\u4e8e\u5236\u4f5c\u5f3a\u5927\u7684\u9759\u6001\u94fe\u63a5\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u5177\u3002<\/p>\n<h3>musl \u5f00\u53d1\u548c\u7528\u6237\u793e\u533a\u81f4\u529b\u4e8e\u652f\u6301\u4e09\u79cd\u4e3b\u8981\u7684 musl \u4f7f\u7528\u65b9\u5f0f\uff1a<\/h3>\n<ul>\n<li>1.\u4f7f\u7528musl-gcc \u5305\u88c5\u5668\uff0c\u5236\u4f5c\u6613\u4e8e\u90e8\u7f72\u7684\u9759\u6001\u94fe\u63a5\u6216\u6700\u5c11\u52a8\u6001\u94fe\u63a5\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<p>musl \u901a\u8fc7\u5feb\u901f\u3001\u975e\u4fb5\u5165\u5f0f\u7684\u6784\u5efa\u8fc7\u7a0b\u4ee5\u53ca\u7528\u4e8e\u91cd\u7528\u4e3b\u673a\u4e0a\u73b0\u6709 GCC \u5de5\u5177\u94fe\u7684\u5305\u88c5\u811a\u672c\u4f7f\u8fd9\u79cd\u4f7f\u7528\u53d8\u5f97\u7b80\u5355\u3002<\/p>\n<ul>\n<li>\n<p>2.\u4f5c\u4e3a\u57fa\u4e8emusl \u7684 Linux \u53d1\u884c\u7248\u6216\u8ff7\u4f60\u53d1\u884c\u7248\u4e2d\u7684\u7cfb\u7edf\u8303\u56f4 libc \u3002\u5b83\u4eec\u5927\u591a\u91c7\u7528\u57fa\u4e8eLinux From Scratch\u539f\u5219\u7684\u57fa\u4e8e\u6e90\u4ee3\u7801\u7684\u6784\u5efa\u7cfb\u7edf\u7684\u5f62\u5f0f\uff0c\u5e76\u6dfb\u52a0\u4e86\u65b0\u7684\u5305\u7ba1\u7406\u5de5\u5177\u3002<\/p>\n<\/li>\n<li>\n<p>3.\u4f5c\u4e3a\u6784\u5efa\u60a8\u81ea\u5df1\u7684\u7cfb\u7edf\u7684\u57fa\u7840\u3002\u9879\u76ee\u53ef\u80fd\u6027\u5305\u62ec\uff1a<br \/>\n\u591a\u5a92\u4f53\u8bbe\u5907\u3001\u8def\u7531\u5668\/\u9632\u706b\u5899\u3001VoIP \u8bbe\u5907\u3001\u6551\u63f4\u78c1\u76d8<br \/>\n\u79fb\u52a8\u7535\u8bdd\u4ead\u3001\u8f7b\u578b\u684c\u9762\u7cfb\u7edf<br \/>\nmusl-gcc \u5305\u88c5\u5668\u811a\u672c\u3001\u5177\u6709\u5f00\u53d1\u73af\u5883\u7684\u5b8c\u6574\u57fa\u4e8e musl \u7684\u4e3b\u673a\u7cfb\u7edf\u6216musl \u4ea4\u53c9\u7f16\u8bd1\u5668\u53ef\u7528\u4e8e\u5f15\u5bfc\u57fa\u4e8e musl \u7684\u65b0\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u7f16\u8bd1 musl \u5e93\u548c\u4f7f\u7528\u5b9e\u8df5\u8bb0\u5f55<\/h2>\n<ul>\n<li>\n<p>\u4e0b\u8f7d\u548c\u7f16\u8bd1 musl \u5e93<\/p>\n<pre><code>wget https:\/\/musl.libc.org\/releases\/musl-1.2.5.tar.gz\ntar xf musl-1.2.5.tar.gz \ncd musl-1.2.5\/\n.\/configure &amp;&amp; make install<\/code><\/pre>\n<\/li>\n<li>\n<p>\u770b\u5230\u5982\u4e0b\u6587\u5b57\u4fe1\u606f\u5c31\u662f\u7f16\u8bd1\u548c\u5b89\u88c5\u5b8c\u6210\u4e86<\/p>\n<pre><code>printf &#039;#!\/bin\/sh\\nexec &quot;${REALGCC:-gcc}&quot; &quot;$@&quot; -specs &quot;%s\/musl-gcc.specs&quot;\\n&#039; &quot;\/usr\/local\/musl\/lib&quot; &gt; obj\/musl-gcc\nchmod +x obj\/musl-gcc\n.\/tools\/install.sh -D obj\/musl-gcc \/usr\/local\/musl\/bin\/musl-gcc<\/code><\/pre>\n<\/li>\n<li>\n<p>\u5b9e\u9645\u4f7f\u7528\u524d\uff0c\u9700\u8981\u628a <code>musl-gcc<\/code> \u590d\u5236\u5230 <code>\/usr\/bin<\/code><\/p>\n<\/li>\n<\/ul>\n<h3><code>musl-gcc<\/code> \u7f16\u8bd1\u6587\u4ef6\u6781\u5c0f\uff0c\u9759\u6001\u7f16\u8bd1\u7684 <code>HelloWorld<\/code> \u7a0b\u5e8f<\/h3>\n<pre><code>cp \/usr\/local\/musl\/bin\/musl-gcc \/usr\/bin\/musl-gcc \ncat &lt;&lt;EOF &gt; hello.c\n> #include &lt;stdio.h&gt;\nint main(int argc, char **argv) \n{ printf(&quot;hello %d\\n&quot;, argc); }\nEOF\nmusl-gcc -static -Os hello.c\n.\/a.out \nhello 1\nsize a.out \n   text    data     bss     dec     hex filename\n  23902     440    1600   25942    6556 a.out<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/lyvba.com\/wp-content\/uploads\/2024\/06\/musl-gcc.webp\" alt=\"\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>musl \u5e93 \u7b80\u4ecb musl\u662f\u5728 Linux \u7cfb\u7edf\u8c03\u7528 API \u4e4b\u4e0a\u6784\u5efa\u7684 C \u6807\u51c6\u5e93\u7684\u5b9e\u73b0\uff0c\u5305\u62ec\u57fa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1581,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[31,73,23,72],"class_list":["post-1580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn","tag-cpp","tag-gcc","tag-linux","tag-riscv"],"_links":{"self":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/1580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/comments?post=1580"}],"version-history":[{"count":3,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/1580\/revisions"}],"predecessor-version":[{"id":1586,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/posts\/1580\/revisions\/1586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/media\/1581"}],"wp:attachment":[{"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/media?parent=1580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/categories?post=1580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyvba.com\/index.php\/wp-json\/wp\/v2\/tags?post=1580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}