{"id":45478,"date":"2023-03-04T19:53:57","date_gmt":"2023-08-25T21:24:25","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45478-2\/"},"modified":"2024-04-29T17:24:04","modified_gmt":"2024-04-29T09:24:04","slug":"45478-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45478-2\/","title":{"rendered":""},"content":{"rendered":"<h1>Rust \u3068 C++17 \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6df7\u305c\u3066\u30d3\u30eb\u30c9\u3059\u308b<\/h1>\n<h2>\u52d5\u6a5f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C \u3084 C++ \u3067\u66f8\u304b\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057\u3064\u3064\u3001 Rust \u3092\u66f8\u304d\u305f\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>https:\/\/crates.io\/crates\/cc \u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046<br \/>\ncargo \u306b\u3088\u308b rust \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b C++ \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3082\u3044\u3063\u3057\u3087\u306b\u3067\u304d\u308b<br \/>\n\u3053\u308c\u3067 C \u3084 C++ \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e FFI \u3092\u3044\u3061\u304b\u3089\u624b\u66f8\u304d\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001 C \u3084 C++ \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u547c\u3076\u90e8\u5206\u306f C++ \u3067\u66f8\u3044\u3066\u304a\u3044\u3066 Rust \u304b\u3089\u547c\u3076\u3068\u3044\u3046\u3053\u3068\u304c\u3067\u304d\u308b<\/p>\n<h2>\u5c0e\u5165<\/h2>\n<ul class=\"post-ul\">Cargo.toml \u306b cc \u3092\u8ffd\u52a0\u3059\u308b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"p\">[<\/span><span class=\"n\">package<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"hello-rs\"<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"n\">links<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"hello\"<\/span>\r\n<span class=\"n\">build<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"build.rs\"<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">build<\/span><span class=\"o\">-<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">cc<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1.0\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">features<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"parallel\"<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">libc<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.2\"<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">parallel \u306f make -jN \u76f8\u5f53\u306e\u4e26\u5217\u30b3\u30f3\u30d1\u30a4\u30eb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">libc \u306f char \u3084 int \u306a\u3069\u306e C API \u306e\u578b\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b &#8211; https:\/\/crates.io\/crates\/libc<\/ul>\n<\/li>\n<\/ul>\n<p>links &#8211; \u306f\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8a18\u8ff0\u3059\u308b\u3082\u306e &#8211; http:\/\/doc.crates.io\/build-script.html#the-links-manifest-key<\/p>\n<h2>C++ \u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/h2>\n<pre class=\"post-pre\"><code><span class=\"cp\">#pragma once\r\n<\/span>\r\n<span class=\"cp\">#ifdef __cplusplus\r\n<\/span><span class=\"k\">extern<\/span> <span class=\"s\">\"C\"<\/span> <span class=\"p\">{<\/span>\r\n<span class=\"cp\">#endif\r\n<\/span>\r\n  <span class=\"kt\">void<\/span> <span class=\"n\">hello<\/span><span class=\"p\">();<\/span>\r\n<span class=\"cp\">#ifdef __cplusplus\r\n<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"cp\">#endif\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include &lt;iostream&gt;\r\n#include &lt;string&gt;\r\n<\/span>\r\n<span class=\"kt\">void<\/span> <span class=\"nf\">hello<\/span><span class=\"p\">(){<\/span>\r\n  <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">cout<\/span> <span class=\"o\">&lt;&lt;<\/span> <span class=\"s\">\"hello cpp\"<\/span> <span class=\"o\">&lt;&lt;<\/span> <span class=\"n\">std<\/span><span class=\"o\">::<\/span><span class=\"n\">endl<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u57fa\u672c\u7684\u306b\u306f C API \u3067\u66f8\u304f\u306e\u3067 Rust \u304b\u3089\u547c\u3073\u51fa\u3059\u95a2\u6570\u306f C \u306e\u578b\u3092\u4f7f\u3046<\/ul>\n<h2>Rust \u3067 C \u306e FFI \u3092\u66f8\u304f<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">libc<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">libc<\/span><span class=\"p\">::{<\/span> <span class=\"nb\">c_void<\/span><span class=\"p\">,<\/span> <span class=\"nb\">c_char<\/span><span class=\"p\">,<\/span> <span class=\"nb\">size_t<\/span> <span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">ffi<\/span><span class=\"p\">::{<\/span> <span class=\"n\">CStr<\/span><span class=\"p\">,<\/span> <span class=\"n\">CString<\/span> <span class=\"p\">};<\/span>\r\n\r\n<span class=\"nd\">#[link(name<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"hello\"<\/span><span class=\"nd\">,<\/span> <span class=\"nd\">kind<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"static\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"k\">extern<\/span> <span class=\"s\">\"C\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">fn<\/span> <span class=\"nf\">hello<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">unsafe<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"nf\">hello<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">ffi \u306e\u66f8\u304d\u65b9\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u8003\u306b &#8211; https:\/\/rust-lang-ja.github.io\/the-rust-programming-language-ja\/1.6\/book\/ffi.html<\/ul>\n<h2>build.rs \u306b C++ \u30b3\u30fc\u30c9\u306e\u30d3\u30eb\u30c9\u65b9\u6cd5\u3092\u8a18\u8ff0\u3059\u308b<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">cc<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"cargo:rustc-link-search=native=\/usr\/local\/lib\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nn\">cc<\/span><span class=\"p\">::<\/span><span class=\"nn\">Build<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.cpp<\/span><span class=\"p\">(<\/span><span class=\"k\">true<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.warnings<\/span><span class=\"p\">(<\/span><span class=\"k\">true<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.flag<\/span><span class=\"p\">(<\/span><span class=\"s\">\"-std=c++17\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.flag<\/span><span class=\"p\">(<\/span><span class=\"s\">\"-Wall\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.flag<\/span><span class=\"p\">(<\/span><span class=\"s\">\"-Wextra\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.flag<\/span><span class=\"p\">(<\/span><span class=\"s\">\"-v\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.flag<\/span><span class=\"p\">(<\/span><span class=\"s\">\"-g\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.file<\/span><span class=\"p\">(<\/span><span class=\"s\">\"src\/cpp\/src\/hello.cpp\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.include<\/span><span class=\"p\">(<\/span><span class=\"s\">\"src\/cpp\/include\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.compile<\/span><span class=\"p\">(<\/span><span class=\"s\">\"libhello.a\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">flag \u306f\u3072\u3068\u3064\u3065\u3064\u66f8\u304f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4efb\u610f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e c \u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f\u74b0\u5883\u5909\u6570\u306b\u6307\u5b9a\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>env CXX=\/usr\/bin\/g++-7 cargo build<br \/>\nenv CXX=\/usr\/bin\/g++-7 cargo run<\/p>\n<h2>\u53c2\u8003<\/h2>\n<ul class=\"post-ul\">http:\/\/mmi.hatenablog.com\/entry\/2017\/02\/28\/213656<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Rust \u3068 C++17 \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6df7\u305c\u3066\u30d3\u30eb\u30c9\u3059\u308b \u52d5\u6a5f C \u3084 C++ \u3067\u66f8\u304b\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45478","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45478-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Rust \u3068 C++17 \u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u6df7\u305c\u3066\u30d3\u30eb\u30c9\u3059\u308b \u52d5\u6a5f C \u3084 C++ \u3067\u66f8\u304b\u308c\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45478-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-25T21:24:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T09:24:04+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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