{"id":27,"date":"2025-04-17T16:26:02","date_gmt":"2025-04-17T08:26:02","guid":{"rendered":"https:\/\/whaledream.xyz\/?p=27"},"modified":"2026-08-30T10:35:11","modified_gmt":"2026-08-30T02:35:11","slug":"gcc%e7%89%88%e6%9c%ac%e5%88%87%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/whaledream.xyz\/index.php\/2025\/04\/17\/gcc%e7%89%88%e6%9c%ac%e5%88%87%e6%8d%a2\/","title":{"rendered":"GCC\u7248\u672c\u5207\u6362"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\"><strong>GNU \u7f16\u8bd1\u5668\u96c6\u5408 (GCC)<\/strong>\u00a0\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5f00\u6e90\u7f16\u8bd1\u5668\u5de5\u5177\u94fe\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5305\u62ec C\u3001C++\u3001Fortran\u3001Ada\u3001Go\u3001D \u548c COBOL \u7b49\u3002GCC \u6700\u521d\u662f\u4e3a GNU \u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u7684\uff0c\u65e8\u5728\u63d0\u4f9b\u5b8c\u5168\u81ea\u7531\u7684\u8f6f\u4ef6\u5de5\u5177\uff0c\u5c0a\u91cd\u7528\u6237\u7684\u81ea\u7531\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u968f\u7740C++\u7248\u672c\u7684\u66f4\u65b0\u8fed\u4ee3\uff0c\u8bb8\u591a\u65e7\u7684\u7279\u6027\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u65e5\u76ca\u65b0\u589e\u7684\u9700\u6c42\u3002\u7ba1\u7406\u9879\u76ee\u65f6\uff0c\u4e0d\u540c\u7a0b\u5e8f\u5458\u5f00\u53d1\u6240\u57fa\u4e8e\u7684C++\u7248\u672c\u6709\u6240\u5dee\u5f02\uff0c\u5bfc\u81f4\u7ef4\u62a4\u65e7\u9879\u76ee\u65f6\u9700\u8981\u5207\u6362\u65e7\u7684C++\u7248\u672c\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">C++\u7248\u672c\u53d8\u5316\u5982\u4e0b\uff1a<\/p>\r\n\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++98\u7248\u672c<\/summary>\r\n\r\n<p class=\"has-text-align-left wp-block-paragraph\">C++98 \u662f C++ \u7684\u7b2c\u4e00\u4e2a\u6807\u51c6\u7248\u672c\uff0c\u5960\u5b9a\u4e86 C++ \u4f5c\u4e3a\u4e00\u79cd\u5f3a\u5927\u7f16\u7a0b\u8bed\u8a00\u7684\u57fa\u7840\u3002\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u547d\u540d\u7a7a\u95f4<\/strong>\uff1a\u5f15\u5165\u4e86\u547d\u540d\u7a7a\u95f4\u7684\u6982\u5ff5\uff0c\u4f7f\u5f97\u4e0d\u540c\u7684\u5e93\u548c\u4ee3\u7801\u7247\u6bb5\u80fd\u591f\u5728\u540c\u4e00\u4f5c\u7528\u57df\u4e2d\u4e92\u4e0d\u5e72\u6270\u5730\u5de5\u4f5c\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6807\u51c6\u5316<\/strong>\uff1aC++98 \u4e3a C++ \u8bed\u8a00\u5236\u5b9a\u4e86\u7b2c\u4e00\u4e2a\u5b98\u65b9\u6807\u51c6\uff0c\u7edf\u4e00\u4e86\u4e0d\u540c\u7f16\u8bd1\u5668\u548c\u5e73\u53f0\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u79fb\u690d\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>STL\uff08Standard Template Library\uff09<\/strong>\uff1a\u5f15\u5165\u4e86\u4e00\u5957\u901a\u7528\u7684\u6a21\u677f\u5e93\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\uff0c\u5927\u5927\u7b80\u5316\u4e86 C++ \u7f16\u7a0b\u7684\u590d\u6742\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u5f02\u5e38\u5904\u7406<\/strong>\uff1a\u5f15\u5165\u4e86\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u4f7f\u5f97\u7a0b\u5e8f\u80fd\u591f\u5728\u53d1\u751f\u9519\u8bef\u65f6\u4ee5\u66f4\u52a0\u4f18\u96c5\u7684\u65b9\u5f0f\u8fdb\u884c\u5904\u7406\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++11\u7248\u672c<\/summary>\r\n\r\n<p class=\"wp-block-paragraph\">C++11 \u662f C++ \u7684\u7b2c\u4e8c\u4e2a\u6807\u51c6\u7248\u672c\uff0c\u5728 C++98 \u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\u5927\u91cf\u7684\u6539\u8fdb\u548c\u6269\u5c55\u3002\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Lambda \u8868\u8fbe\u5f0f<\/strong>\uff1a\u5f15\u5165\u4e86 Lambda \u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9a\u4e49\u533f\u540d\u51fd\u6570\u5bf9\u8c61\uff0c\u7528\u4e8e\u5b9e\u73b0\u56de\u8c03\u51fd\u6570\u548c\u7b97\u6cd5\u64cd\u4f5c\u7b49\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u81ea\u52a8\u7c7b\u578b\u63a8\u5bfc<\/strong>\uff1a\u5f15\u5165\u4e86\u00a0<em>auto<\/em>\u00a0\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u6839\u636e\u521d\u59cb\u5316\u8868\u8fbe\u5f0f\u81ea\u52a8\u63a8\u5bfc\u51fa\u53d8\u91cf\u7684\u7c7b\u578b\uff0c\u7b80\u5316\u4e86\u4ee3\u7801\u4e66\u5199\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u8303\u56f4 for \u5faa\u73af<\/strong>\uff1a\u5f15\u5165\u4e86\u8303\u56f4 for \u5faa\u73af\u7684\u8bed\u6cd5\uff0c\u4f7f\u5f97\u904d\u5386\u5bb9\u5668\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u667a\u80fd\u6307\u9488<\/strong>\uff1a\u5f15\u5165\u4e86\u667a\u80fd\u6307\u9488\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u8d44\u6e90\uff0c\u907f\u514d\u4e86\u624b\u52a8\u7ba1\u7406\u5185\u5b58\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u5185\u5b58\u6cc4\u6f0f\u548c\u91ce\u6307\u9488\u7b49\u95ee\u9898\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++14\u7248\u672c<\/summary>\r\n\r\n<p class=\"wp-block-paragraph\">C++14 \u662f\u5bf9 C++11 \u7684\u8fdb\u4e00\u6b65\u6269\u5c55\u548c\u6539\u8fdb\uff0c\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u653e\u677e\u7684\u00a0<em>constexpr<\/em>\u00a0\u9650\u5236<\/strong>\uff1a\u653e\u677e\u4e86\u00a0<em>constexpr<\/em>\u00a0\u51fd\u6570\u7684\u9650\u5236\uff0c\u5141\u8bb8\u5728\u00a0<em>constexpr<\/em>\u00a0\u51fd\u6570\u4e2d\u4f7f\u7528\u66f4\u591a\u7684\u8bed\u8a00\u7279\u6027\uff0c\u63d0\u9ad8\u4e86\u7f16\u8bd1\u65f6\u8ba1\u7b97\u7684\u7075\u6d3b\u6027\u548c\u6548\u7387\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6cdb\u578b Lambda \u8868\u8fbe\u5f0f<\/strong>\uff1a\u5f15\u5165\u4e86\u6cdb\u578b Lambda \u8868\u8fbe\u5f0f\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u5728 Lambda \u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u00a0<em>auto<\/em>\u00a0\u5173\u952e\u5b57\u8fdb\u884c\u7c7b\u578b\u63a8\u5bfc\uff0c\u63d0\u9ad8\u4e86 Lambda \u8868\u8fbe\u5f0f\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7528\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u53d8\u91cf\u6a21\u677f<\/strong>\uff1a\u5f15\u5165\u4e86\u53d8\u91cf\u6a21\u677f\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u5b9a\u4e49\u6a21\u677f\u5316\u7684\u53d8\u91cf\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u901a\u7528\u548c\u53ef\u91cd\u7528\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++17\u7248\u672c<\/summary>\r\n\r\n<p class=\"wp-block-paragraph\">C++17 \u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7684\u7279\u6027\u548c\u529f\u80fd\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86 C++ \u7f16\u7a0b\u7684\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6a21\u677f\u53c2\u6570\u63a8\u5bfc<\/strong>\uff1a\u6539\u8fdb\u4e86\u6a21\u677f\u53c2\u6570\u63a8\u5bfc\u7684\u89c4\u5219\uff0c\u4f7f\u5f97\u5728\u7f16\u5199\u6a21\u677f\u4ee3\u7801\u65f6\u80fd\u591f\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u7ed3\u6784\u5316\u7ed1\u5b9a<\/strong>\uff1a\u5f15\u5165\u4e86\u7ed3\u6784\u5316\u7ed1\u5b9a\u7684\u8bed\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u89e3\u6784\u6570\u636e\u7ed3\u6784\u4e2d\u7684\u6210\u5458\u53d8\u91cf\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong><em>if constexpr<\/em>\u00a0\u8bed\u53e5<\/strong>\uff1a\u5f15\u5165\u4e86\u00a0<em>if constexpr<\/em>\u00a0\u8bed\u53e5\u7684\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u548c\u4f18\u5316\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++20\u7248\u672c<\/summary>\r\n\r\n<p class=\"wp-block-paragraph\">C++20 \u662f C++ \u8bed\u8a00\u7684\u6700\u65b0\u7248\u672c\uff0c\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\u548c\u529f\u80fd\uff0c\u4ee5\u6539\u8fdb\u7f16\u7a0b\u6548\u7387\uff0c\u589e\u5f3a\u8bed\u8a00\u529f\u80fd\uff0c\u5e76\u63d0\u5347\u5f00\u53d1\u8005\u7684\u751f\u4ea7\u529b\u3002\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6a21\u5757\uff08Modules\uff09<\/strong>\uff1a\u6539\u8fdb\u4e86\u7a0b\u5e8f\u7684\u5355\u5143\u9694\u79bb\u548c\u589e\u91cf\u7f16\u8bd1\uff0c\u63d0\u9ad8\u4e86\u7f16\u8bd1\u901f\u5ea6\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6982\u5ff5\uff08Concepts\uff09<\/strong>\uff1a\u63d0\u4f9b\u4e86\u7f16\u8bd1\u65f6\u7c7b\u578b\u68c0\u67e5\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u6a21\u677f\u4ee3\u7801\u66f4\u52a0\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u534f\u7a0b\uff08Coroutines\uff09<\/strong>\uff1a\u5b9e\u73b0\u4e86\u8f7b\u91cf\u7ea7\u7684\u534f\u7a0b\uff0c\u7b80\u5316\u4e86\u5f02\u6b65\u4ee3\u7801\u7684\u7f16\u5199\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\r\n<summary>C++23\u7248\u672c<\/summary>\r\n\r\n<p class=\"wp-block-paragraph\">C++23 \u662f C++ \u8bed\u8a00\u7684\u4e0b\u4e00\u4e2a\u7248\u672c\uff0c\u9884\u8ba1\u4f1a\u5f15\u5165\u4e00\u4e9b\u65b0\u7684\u7279\u6027\u548c\u529f\u80fd\u3002\u53ef\u80fd\u5305\u542b\u4ee5\u4e0b\u4e00\u4e9b\u91cd\u8981\u7279\u6027\uff1a<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6a21\u5757\uff08Modules\uff09<\/strong>\uff1a\u8fdb\u4e00\u6b65\u6269\u5c55\u6a21\u5757\u7684\u6982\u5ff5\uff0c\u63d0\u9ad8\u7f16\u8bd1\u901f\u5ea6\u548c\u4ee3\u7801\u91cd\u7528\u6027\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Deducing this<\/strong>\uff1a\u5141\u8bb8\u5c06\u975e\u9759\u6001\u6210\u5458\u51fd\u6570\u7684\u9690\u5f0f\u5bf9\u8c61\u53c2\u6570\u663e\u5f0f\u5730\u5199\u51fa\u6765\uff0c\u7b80\u5316\u4ee3\u7801\u3002<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>\u6982\u5ff5\uff08Concepts\uff09<\/strong>\uff1a\u8fdb\u4e00\u6b65\u6539\u8fdb\u548c\u5b8c\u5584\u6982\u5ff5\u7684\u5b9e\u73b0\uff0c\u4ee5\u63d0\u4f9b\u66f4\u52a0\u7cbe\u786e\u548c\u7075\u6d3b\u7684\u7c7b\u578b\u68c0\u67e5\u529f\u80fd\u3002<\/li>\r\n<\/ul>\r\n<\/details>\r\n\r\n\r\n<h2 class=\"wp-block-heading\">\u67e5\u770b\u5f53\u524dGCC\u7248\u672c<\/h2>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>gcc -v<\/code><\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading md-end-block md-p\"><span class=\"md-plain\">\u5b89\u88c5\u591a\u4e2aGCC\u7248\u672c<\/span><\/h2>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\"><span class=\"md-plain\">\u4f8b\u5982\u5b89\u88c5GCC 9\u548cGCC 11<\/span><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>sudo apt install gcc-9 g++-9 gcc-11 g++-11\r\n<\/code><\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading md-end-block md-p\"><span class=\"md-plain\">\u67e5\u770b\u5df2\u5b89\u88c5\u7684GCC\u7248\u672c<\/span><\/h2>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>ls \/usr\/bin\/gcc*\r\n<\/code><\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading md-end-block md-p\"><span class=\"md-plain\">\u4f7f\u7528<\/span><span class=\"md-pair-s\"><em><span class=\"md-plain\">update-alternatives<\/span><\/em><\/span><span class=\"md-plain\">\u5de5\u5177\u5207\u6362GCC\u7248\u672c<\/span><\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u4ec0\u4e48\u662f<span class=\"md-pair-s\"><em><span class=\"md-plain\">update-alternatives<\/span><\/em><\/span>\uff1f<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>update-alternatives<\/strong>\u00a0\u662f Linux \u7cfb\u7edf\u4e2d\u7528\u4e8e\u7ba1\u7406\u591a\u4e2a\u7a0b\u5e8f\u7248\u672c\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u57fa\u4e8e Debian \u7684\u53d1\u884c\u7248\uff08\u5982 Ubuntu\uff09\u3002\u5b83\u901a\u8fc7\u4e24\u7ea7\u7b26\u53f7\u94fe\u63a5\u673a\u5236\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7edf\u4e00\u3001\u5b89\u5168\u7684\u65b9\u5f0f\u6765\u5207\u6362\u7cfb\u7edf\u9ed8\u8ba4\u4f7f\u7528\u7684\u7a0b\u5e8f\u7248\u672c\uff0c\u4f8b\u5982 Java\u3001Python\u3001\u7f16\u8f91\u5668\u7b49\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\">\u6dfb\u52a0\u65b0\u7248\u672c\uff0c\u53ef\u4f7f\u7528\u00a0<em><mark class=\"has-inline-color has-pale-pink-color\" style=\"background-color: rgba(0, 0, 0, 0);\">&#8211;install\u00a0<\/mark><\/em>\u6ce8\u518c\u5230\u7cfb\u7edf\uff0c\u4f7f\u7528<em><mark class=\"has-inline-color has-pale-pink-color\" style=\"background-color: rgba(0, 0, 0, 0);\">&#8211;slave<\/mark><\/em><strong>\u00a0<\/strong>\u8bbe\u7f6e\u4ece\u5c5e\u5173\u7cfb\uff0c\u5373\u5982\u679c\u5207\u6362\u4e86gcc\u7248\u672c\uff0c\u5219\u540c\u65f6\u5207\u6362g++\u7248\u672c\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\">gcc\u4e0eg++\u4e4b\u95f4\u62e5\u6709\u4e3b\u4ece\u5173\u7cfb\u3002<strong>GCC\uff08GNU Compiler Collection\uff09<\/strong>\u00a0\u662f\u4e00\u4e2a\u7f16\u8bd1\u5668\u96c6\u5408\uff0c\u800c\u00a0<strong>G++<\/strong>\u00a0\u662f GCC \u4e2d\u4e13\u95e8\u7528\u4e8e\u7f16\u8bd1 C++ \u4ee3\u7801\u7684\u524d\u7aef\u3002<\/p>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\"><span class=\"md-plain\">\u5c06\u4e0d\u540c\u7248\u672c\u7684GCC\u6dfb\u52a0\u5230<em><span class=\"md-plain\">update-alternatives<\/span><\/em>\u4e2d<\/span><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-preformatted\">sudo update-alternatives --install \/usr\/bin\/gcc gcc \/usr\/bin\/gcc-9 20 --slave \/usr\/bin\/g++ g++ \/usr\/bin\/g++-9<br \/><br \/>sudo update-alternatives --install \/usr\/bin\/gcc gcc \/usr\/bin\/gcc-11 25 --slave \/usr\/bin\/g++ g++ \/usr\/bin\/g++-11<\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading md-end-block md-p\"><span class=\"md-plain\">\u5207\u6362GCC\u7248\u672c<\/span><\/h2>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>sudo update-alternatives --config gcc<\/code><\/pre>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\"><span class=\"md-plain\">\u9a8c\u8bc1\u5207\u6362\u7ed3\u679c<\/span><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>gcc --version<\/code><\/pre>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading md-end-block md-p\"><span class=\"md-plain\">\u5220\u9664GCC\u7248\u672c<\/span><\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u5f53\u67d0\u4e2a\u7248\u672c\u4e0d\u518d\u9700\u8981\u65f6\uff0c\u53ef\u4f7f\u7528<em><mark class=\"has-inline-color has-pale-pink-color\" style=\"background-color: rgba(0, 0, 0, 0);\">\u00a0&#8211;remove<\/mark><\/em>\u00a0\u5220\u9664\uff1a<\/p>\r\n\r\n\r\n\r\n<p class=\"md-end-block md-p wp-block-paragraph\"><span class=\"md-plain\">\u4ece<\/span><span class=\"md-pair-s \"><em><span class=\"md-plain\">update-alternatives<\/span><\/em><\/span><span class=\"md-plain\">\u4e2d\u5220\u9664\u67d0\u4e2aGCC\u7248\u672c<\/span><\/p>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>sudo update-alternatives --remove gcc \/usr\/bin\/gcc-9<\/code><\/pre>\r\n","protected":false},"excerpt":{"rendered":"<p>GNU \u7f16\u8bd1\u5668\u96c6\u5408 (GCC)\u00a0\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5f00\u6e90\u7f16\u8bd1\u5668\u5de5\u5177\u94fe\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5305\u62ec C\u3001C++\u3001Fortran\u3001Ada\u3001Go\u3001D \u548c COBOL \u7b49\u3002GCC \u6700\u521d\u662f\u4e3a GNU \u64cd\u4f5c\u7cfb\u7edf\u5f00\u53d1\u7684\uff0c\u65e8\u5728\u63d0\u4f9b\u5b8c\u5168\u81ea\u7531\u7684\u8f6f\u4ef6\u5de5\u5177\uff0c\u5c0a\u91cd\u7528\u6237\u7684\u81ea\u7531\u3002 \u968f\u7740C++\u7248\u672c\u7684\u66f4\u65b0\u8fed\u4ee3\uff0c\u8bb8\u591a\u65e7\u7684\u7279\u6027\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u65e5\u76ca\u65b0\u589e\u7684\u9700\u6c42\u3002\u7ba1\u7406\u9879\u76ee\u65f6\uff0c\u4e0d\u540c\u7a0b\u5e8f\u5458\u5f00\u53d1\u6240\u57fa\u4e8e\u7684C++\u7248\u672c\u6709\u6240\u5dee\u5f02\uff0c\u5bfc\u81f4\u7ef4\u62a4\u65e7\u9879\u76ee\u65f6\u9700\u8981\u5207\u6362\u65e7\u7684C++\u7248\u672c\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5],"tags":[35],"class_list":["post-27","post","type-post","status-publish","format-standard","hentry","category-c","tag-linux"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/posts\/27","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=27"}],"version-history":[{"count":0,"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/posts\/27\/revisions"}],"wp:attachment":[{"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=27"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=27"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/whaledream.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}