{"id":25434,"date":"2023-01-14T07:48:21","date_gmt":"2023-03-30T14:17:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac109%e8%af%9d%ef%bc%9aopencv4%e7%9a%84%e4%ba%a4%e5%8f%89%e6%9e%84%e5%bb%ba%ef%bc%88%e4%bb%8ex86-64%e5%88%b0armv7-armv8-riscv%ef%bc%89-3\/"},"modified":"2025-08-11T13:37:07","modified_gmt":"2025-08-11T05:37:07","slug":"%e7%ac%ac109%e8%af%9d%ef%bc%9aopencv4%e7%9a%84%e4%ba%a4%e5%8f%89%e6%9e%84%e5%bb%ba%ef%bc%88%e4%bb%8ex86-64%e5%88%b0armv7-armv8-riscv%ef%bc%89-3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%ac%ac109%e8%af%9d%ef%bc%9aopencv4%e7%9a%84%e4%ba%a4%e5%8f%89%e6%9e%84%e5%bb%ba%ef%bc%88%e4%bb%8ex86-64%e5%88%b0armv7-armv8-riscv%ef%bc%89-3\/","title":{"rendered":"\u7b2c109\u8bdd\uff1aOpenCV4\u7684\u4ea4\u53c9\u6784\u5efa\uff08\u4ecex86-64\u5230ARMv7\/ARMv8\/RISCV\uff09"},"content":{"rendered":"<p>\u672c\u6587\u662f2023\u5e74OpenCV Advent Calendar\u7684\u7b2c\u56db\u5929\u6587\u7ae0\u3002<br \/>\n\u5176\u4ed6\u6587\u7ae0\u5df2\u7ecf\u6574\u7406\u5728\u76ee\u5f55\u4e2d\u3002<\/p>\n<h1>\u25a0 \u7cbe\u7b80\u7248\uff1a\u4f7f\u7528Multiarch\u53ef\u4ee5\u8f7b\u677e\u8fdb\u884c\u8de8\u5e73\u53f0\u6784\u5efa\uff01<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Ubuntu\/Debian\u306b\u306f\u3001Multiarch\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001\u7570\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u6df7\u5728\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">OpenCV\u306e\u30af\u30ed\u30b9\u30d3\u30eb\u30c9\u306b\u4f7f\u3046\u3068\u3001\u4ed6Arch\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u7c21\u5358\u306b\u4f5c\u308c\u308b<\/ul>\n<h2>\u53ef\u4ee5\u8de8\u5e73\u53f0\u6784\u5efafreetype\u5305\u88c5\u6a21\u5757\uff1f\u6ca1\u95ee\u9898\uff01\u6bcf\u5e74\u90fd\u4f1a\u53d1\u751f\u51e0\u6b21\uff0c\u5728\u5c1d\u8bd5\u8fdb\u884c\u4ea4\u53c9\u7f16\u8bd1\u65f6\uff0c\u4f1a\u56e0\u4e3a\u4f7f\u7528freetype\u800c\u9047\u5230\u9519\u8bef\u800c\u53d7\u5230\u6307\u8d23\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u7531\u4e8e\u6709\u5fc5\u8981\u7f16\u5199\u4e00\u4e2a\u5173\u4e8e\u4ea4\u53c9\u6784\u5efa\u65b9\u6cd5\u7684\u6587\u6863\uff0c\u56e0\u6b64\u5c06\u4ecb\u7ecd\u8be5\u6d41\u7a0b\uff0c\u5e76\u7528\u65e5\u8bed\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<h2>\u7528FFmpeg\u8fdb\u884c\u4ea4\u53c9\u7f16\u8bd1\uff1f\u6ca1\u95ee\u9898\uff01\u4f60\u60f3\u8981\u542f\u7528FFmpeg\uff0c\u4f46\u662f\u5728\u4ea4\u53c9\u7f16\u8bd1\u73af\u5883\u4e2d\u7f3a\u5c11\u5e93\u6587\u4ef6\uff0c\u5bf9\u6b64\u6211\u6709\u597d\u6d88\u606f\uff01\u53ea\u8981\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5c31\u80fd\u641e\u5b9a\uff01\uff01<\/p>\n<h2>\u25efPython binding ?\u3067\u304d\u3089\u3041\uff01Python wrapper\u3092\u6709\u52b9\u5316\u3059\u308b\u305f\u3081\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u25ef\u4eca\u56de\u306e\u30dd\u30a4\u30f3\u30c8<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Ubuntu\/Debian\u306b\u306f\u3001Multiarch\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001\u7570\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u6df7\u5728\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u4ed6\u30a2\u30fc\u30ad\u306e\u30c7\u30a3\u30b9\u30af\u30a4\u30e1\u30fc\u30b8\u3068\u304b\u9762\u5012\u306a\u3082\u306e\u306f\u8981\u3089\u306a\u3044\u3067\u3054\u3056\u3044\u307e\u3059<\/p>\n<p>OpenCV\u306e\u30af\u30ed\u30b9\u30d3\u30eb\u30c9\u306b\u4f7f\u3046\u3068\u3001\u4ed6Arch\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u7c21\u5358\u306b\u4f5c\u308c\u308b<br \/>\nJetson\u3082RaspiOS\u3082\u3001\u307f\u3093\u306adebian\u7cfb\u5217\u3067\u53cb\u9054\u53cb\u9054\uff01\uff01\u3053\u3053\u3089\u3078\u3093\u3082\u9069\u5207\u306ahost\u5074OS\u3092\u9078\u629e\u3059\u308c\u3070\u3001\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u308b\u306f\u305a\uff01\uff01<\/p>\n<p>\u3055\u3042\u3001Let&#8217;s cross compile !!<\/p>\n<h2>\u25ef\u305d\u3082\u305d\u3082Multiarch\u3063\u3066\u4f55\uff1f&nbsp;<\/p>\n<blockquote><p>If Ubuntu is working, you should not have to concern yourself with the details of how it supports different computer architectures; just install the programs you like.<br \/>\n(\u7ffb\u8a33) Ubuntu \u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001Ubuntu \u304c\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u306e\u8a73\u7d30\u3092\u6c17\u306b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u597d\u304d\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p><\/blockquote>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u5f8c\u8ff0\u306e\u4f8b\u3067\u3082\u51fa\u307e\u3059\u304c\u3001host\u4ee5\u5916\u306btarget\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u540c\u6642\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\uff01\uff01<\/p>\n<h1>\u25a0 \u6e96\u5099<\/p>\n<div>\n<p>\u306a\u304a\u3001\u3053\u308c\u3092\u3084\u308b\u3068Host\u306eLinux\u74b0\u5883\u304c\u6c5a\u308c\u308b\u306e\u3067\u3001VM\u3084\u30b3\u30f3\u30c6\u30ca(Docker)\u3092\u4f7f\u3046\u4e8b\u3092\u304a\u52e7\u3081\u3057\u307e\u3059<\/p>\n<h2>\u25ef\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u306e\u30a4\u30e1\u30fc\u30b8\u4eca\u56de\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6210\u3092\u60f3\u5b9a\u3057\u3066\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u57fa\u672c\u4e0a\uff0c\u6211\u5011\u5e0c\u671b\u5728\/home\/&lt;\u4f7f\u7528\u8005\u540d\u7a31&gt;\/work\u7684\u76ee\u9304\u4e0b\u9032\u884c\u5de5\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>\/home\r\n  + kmtr                    - please replace your account name.\r\n    + work\r\n      + opencv              - source, cloned from github\r\n      + opencv_contrib      - source, cloned from github\r\n      + build4-main         - artifact(for Host), created by cmake\r\n      + build4-full         - artifact(for Host), created by cmake\r\n      + build4-full_arm64   - artifact(for aarch64 target), created by cmake\r\n      + build4-full_armhf   - artifact(for armhf target), created by cmake\r\n      + build4-full_riscv64 - artifact(for riscv64 target), created by cmake\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd\r\nmkdir <\/span>work\r\n<span class=\"nb\">cd <\/span>wotk\r\n<\/code><\/pre>\n<h2>\u25ef\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u305d\u308c\u3067\u306f\u3001OpenCV\u306e\u958b\u767a\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u304f\u3002<br \/>\ncrossbuild-essential-armhf\u3068crossbuild-essential-arm64 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u30af\u30ed\u30b9\u958b\u767a\u306b\u5fc5\u8981\u306a\u30a2\u30ec\u3084\u30b3\u30ec\u3084\u30bd\u30ec\u304c\u5168\u90e8\u5165\u308b\u3002\u7d20\u6575\u3067\u3059\u306d\uff01\uff01<\/p>\n<pre class=\"post-pre\"><code>sudo apt install -y \\\r\n    git \\\r\n    cmake \\\r\n    cmake-curses-gui \\\r\n    ccache \\\r\n    ninja-build \\\r\n    libfreetype-dev \\\r\n    libharfbuzz-dev \\\r\n    build-essential \\\r\n    crossbuild-essential-armhf \\\r\n    crossbuild-essential-arm64\r\n<\/code><\/pre>\n<h2>\u25ef OpenCV\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092clone\u3053\u3053\u3089\u3078\u3093\u306f\u3044\u3064\u3082\u306e\u624b\u9806\u3067\u3059\u306d\u3002<\/p>\n<pre class=\"post-pre\"><code>git clone https:\/\/github.com\/opencv\/opencv.git\r\ngit clone https:\/\/github.com\/opencv\/opencv_contrib.git\r\n<\/code><\/pre>\n<p>\u306a\u304a\u3001\u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u3092build\u3057\u305f\u3044\u5834\u5408\u306f\u3001git switch\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd <\/span>opencv\r\ngit switch 4.8.0\r\ngit reset <span class=\"nt\">--hard<\/span>\r\n<span class=\"nb\">cd<\/span> ..\r\n<span class=\"nb\">cd <\/span>opencv_contrib\r\ngit switch 4.8.0\r\ngit reset <span class=\"nt\">--hard<\/span>\r\n<span class=\"nb\">cd<\/span> ..\r\n<\/code><\/pre>\n<h1>\u25a0 Host\u7248OpenCV\u30d3\u30eb\u30c9<\/p>\n<details>Host\u7248OpenCV\u30d3\u30eb\u30c9\u306a\u306e\u3067\u8208\u5473\u304c\u3042\u3063\u305f\u3089\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u25efcontrib\u629c\u304d<br \/>\ncmake\u3092\u4f7f\u3063\u3066\u3001build\u7528\u306e\u74b0\u5883\u3092\u6574\u5099\u3059\u308b\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001ccmake\u30b3\u30de\u30f3\u30c9\u306a\u3069\u3067\u5fae\u8abf\u6574\u3057\u3066\u3082\u826f\u3044\u3002<br \/>\ncmake -S opencv \\<br \/>\n-B build4-main \\<br \/>\n-GNinja<\/p>\n<p>&#8212; General configuration for OpenCV 4.8.0-dev =====================================<br \/>\n&#8212; Version control: 4.8.0-XXX-XXXXXXXX<br \/>\n&#8212;<br \/>\n&#8212; Platform:<br \/>\n&#8212; Timestamp: 2023-09-17T00:01:52Z<br \/>\n&#8212; Host: Linux 6.2.0-32-generic x86_64<br \/>\n&#8212; CMake: 3.25.1<br \/>\n&#8212; CMake generator: Ninja<br \/>\n&#8212; CMake build tool: \/usr\/bin\/ninja<br \/>\n&#8212; Configuration: Release<\/p>\n<p>\u7279\u306b\u554f\u984c\u304c\u7121\u3051\u308c\u3070\u3001\u30b5\u30af\u30c3\u3068build\u3082install\u3082\u3067\u304d\u308b\u306f\u305a\u3002<br \/>\ncmake &#8211;build build4-main<br \/>\nsudo cmake &#8211;install build4-main<br \/>\nsudo ldconfig<\/p>\n<p>\u25efcontrib\u5165\u308a<br \/>\ncontrib\u5165\u308a\u3067build\u3092\u3059\u308b\u3079\u304f\u3001OPENCV_EXTRA_MODULES_PATH\u3092\u6307\u5b9a\u3059\u308b\u3002<br \/>\ncmake -S opencv \\<br \/>\n-B build4-full \\<br \/>\n-DOPENCV_EXTRA_MODULES_PATH=opencv_contrib\/modules \\<br \/>\n-GNinja<\/p>\n<p>cmake\u306e\u7d50\u679c\u306b\u3082Extra modules\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3002<br \/>\n&#8212; General configuration for OpenCV 4.8.0-dev =====================================<br \/>\n&#8212; Version control: 4.8.0-237-XXXXXXXX<br \/>\n&#8212;<br \/>\n&#8212; Extra modules:<br \/>\n&#8212; Location (extra): \/home\/kmtr\/work\/opencv_contrib\/modules<br \/>\n&#8212; Version control (extra): 4.8.0-17-XXXXXXXX<br \/>\n&#8212;<br \/>\n&#8212; Platform:<br \/>\n&#8212; Timestamp: 2023-09-17T00:35:16Z<br \/>\n&#8212; Host: Linux 6.2.0-32-generic x86_64<br \/>\n&#8212; CMake: 3.25.1<br \/>\n&#8212; CMake generator: Ninja<br \/>\n&#8212; CMake build tool: \/usr\/bin\/ninja<br \/>\n&#8212; Configuration: Release<\/p>\n<p>\u3042\u3068\u306f\u666e\u901a\u306b\u307e\u305fbuild\/install.<br \/>\ncmake &#8211;build build4-full<br \/>\nsudo cmake &#8211;install build4-full<br \/>\nsudo ldconfig<\/p>\n<\/details>\n<h1>\u25a0 \u76ee\u6807\u7248OpenCV\u5efa\u7acb(arm64)\u63a5\u4e0b\u6765\u624d\u662f\u6b63\u5f0f\u6bd4\u8d5b\u3002<\/p>\n<h2>\u25ef\/etc\/apt\/sources.list\u306e\u4fee\u6b63<br \/>\nsudo apt edit-sources \u3092\u4f7f\u3044\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308barch\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3002\u306a\u304a\u3001\u79c1\u306fvi\u5927\u597d\u304d\u306a\u306e\u3067\u30012\u3092\u9078\u3093\u3067\u3044\u308b\u3051\u3069\u3001\u306a\u3093\u3067\u3057\u305f\u3089\/bin\/ed\u3092\u9078\u3093\u3067\u3044\u305f\u3060\u3044\u3066\u3082\u3088\u3044\u306e\u3067\u3059\u3088\uff08\uff1f\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt edit-sources\r\n \r\nSelect an editor.  To change later, run <span class=\"s1\">'select-editor'<\/span><span class=\"nb\">.<\/span>\r\n  1. \/bin\/nano        &lt;<span class=\"nt\">----<\/span> easiest\r\n  2. \/usr\/bin\/vim.tiny\r\n  3. \/bin\/ed\r\n \r\nChoose 1-3 <span class=\"o\">[<\/span>1]: 2\r\n<\/code><\/pre>\n<p>\u4f8b\u3048\u3070\u3001ubuntu23.04\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u884c\u3092\u8ffd\u52a0\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001x86-64\u306ehost\u74b0\u5883\u3067\u3082\u3001arm64\u3068armhf\u306etarget\u74b0\u5883\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5165\u308c\u3089\u308c\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>deb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-updates main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-updates universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-updates multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-backports main restricted universe multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-security main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-security universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports lunar-security multiverse\r\n<\/code><\/pre>\n<p>\u4f8b\u3048\u3070\u3001ubuntu23.10\u306e\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u884c\u3092\u8ffd\u52a0\u3059\u308b\u3002<br \/>\n\u306a\u304a\u3001risc64\u306b\u3082\u5bfe\u5fdc\u3055\u305b\u305f\u3044\u306a\u3089\u3070\u3001,riscv64\u3082\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>deb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-backports main restricted universe multiverse\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security main restricted\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security universe\r\ndeb [arch=arm64,armhf] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security multiverse\r\n<\/code><\/pre>\n<p>\u6700\u5f8c\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u66f4\u65b0\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt update\r\n<\/code><\/pre>\n<h2>\u25efdpkg\u5074\u306e\u8a2d\u5b9a\u66f4\u65b0apt\u306e\u5185\u5074\u306b\u3044\u308bdpkg\u306b\u3082\u3001\u30a2\u30fc\u30ad\u8ffd\u52a0\u306e\u304a\u77e5\u3089\u305b\u3092\u3059\u308b\u3002\u305d\u3046\u3057\u306a\u3044\u3068apt install\u3067\u304d\u306a\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>dpkg  <span class=\"nt\">--add-architecture<\/span> arm64\r\n<span class=\"nb\">sudo <\/span>dpkg  <span class=\"nt\">--add-architecture<\/span> armhf\r\n<span class=\"nb\">sudo <\/span>dpkg  <span class=\"nt\">--add-architecture<\/span> riscv64 %riscv64\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u30b3\u30de\u30f3\u30c9\u3067\u73fe\u72b6\u306earch\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>dpkg  <span class=\"nt\">--print-architecture<\/span>\r\namd64\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>dpkg  <span class=\"nt\">--print-foreign-architectures<\/span>\r\narm64\r\narmhf\r\n<\/code><\/pre>\n<h2>\u25efpkg-config\u306e\u52d5\u4f5c\u78ba\u8a8dHost\u5411\u3051\u3001Target\u5411\u3051\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5bfe\u3057\u3066\u3001pkg-config\u304c\u6b63\u5e38\u52d5\u4f5c\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n<p>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u306f\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>\/usr\r\n  + lib\r\n    + aarch64-linux-gnu   - shared libraries for arm64\r\n      + pkgconfig         - pkg-config files(for shared libraries)\r\n    + arm-linux-gnueabihf - shared libraries for armhf\r\n      + pkgconfig         - pkg-config files(for shared libraries)\r\n  + share\r\n    + pkgconfig         - pkg-config files(for header files)\r\n<\/code><\/pre>\n<h4>Host\u5411\u3051<\/p>\n<pre class=\"post-pre\"><code>pkg-config --list-all\r\n<\/code><\/pre>\n<h4>Target(armhf)\u5411\u3051<\/p>\n<pre class=\"post-pre\"><code>PKG_CONFIG_PATH=\/usr\/lib\/arm-linux-gnueabihf\/pkgconfig:\/usr\/share\/pkgconfig \\\r\nPKG_CONFIG_LIBDIR=\/usr\/lib\/arm-linux-gnueabihf \\\r\nPKG_CONFIG_SYSROOT_DIR=\/ \\\r\n    pkg-config --list-all\r\n<\/code><\/pre>\n<h4>Target(arm64)\u5411\u3051<\/p>\n<pre class=\"post-pre\"><code>PKG_CONFIG_PATH=\/usr\/lib\/aarch64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig \\\r\nPKG_CONFIG_LIBDIR=\/usr\/lib\/aarch64-linux-gnu \\\r\nPKG_CONFIG_SYSROOT_DIR=\/ \\\r\n    pkg-config --list-all\r\n<\/code><\/pre>\n<h2>\u25ef\u9488\u5bf9arm64\u7684\u6784\u5efa\u7248<\/p>\n<h4>freetype\/harfbuzz\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<br \/>\n\u5b89\u88c5\u9002\u7528\u4e8eARM64\u7684FreeType\u548cHarfBuzz\u3002\u91cd\u70b9\u662f\u5728&#8221;arm64&#8243;\u540e\u9762\u6dfb\u52a0\uff01<\/p>\n<p>\u3061\u3083\u3093\u3068\u3067\u304d\u3066\u3044\u308b\u3068\u3001pkg-config\u3067\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt <span class=\"nb\">install <\/span>libfreetype-dev:arm64 libharfbuzz-dev:arm64\r\n\r\n<span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/aarch64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/lib\/aarch64-linux-gnu <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n       pkg-config freetype2 harfbuzz <span class=\"nt\">--cflags<\/span> <span class=\"nt\">--libs<\/span>\r\n \r\n<span class=\"nt\">-I<\/span>\/usr\/include\/freetype2 <span class=\"nt\">-I<\/span>\/usr\/include\/libpng16 <span class=\"nt\">-I<\/span>\/usr\/include\/harfbuzz <span class=\"nt\">-I<\/span>\/usr\/include\/glib-2.0 <span class=\"nt\">-I<\/span>\/usr\/lib\/aarch64-linux-gnu\/glib-2.0\/include <span class=\"nt\">-L<\/span>\/usr\/lib\/aarch64-linux-gnu <span class=\"nt\">-lfreetype<\/span> <span class=\"nt\">-lharfbuzz<\/span>\r\n<\/code><\/pre>\n<h4>cmake \u6539\u5199\u6210\u4e2d\u6587\u7684\u65b9\u5f0f\u53ef\u4ee5\u662f\uff1a\u5efa\u9020\u6a21\u578bcmake\u3092\u5b9f\u884c\u3057\u3066\u3044\u304f\u3002CMAKE_TOOLCHAIN_FILE\u306f\u3001\u76f8\u5bfe\u30d1\u30b9\u3067\u306f\u306a\u304f\u7d76\u5bfe\u30d1\u30b9\u3067\u6307\u5b9a\u304c\u5fc5\u8981\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/aarch64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/lib\/aarch64-linux-gnu <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n        cmake <span class=\"nt\">-S<\/span> opencv <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-B<\/span> build4-full_arm64 <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DCMAKE_TOOLCHAIN_FILE<\/span><span class=\"o\">=<\/span>\/home\/kmtr\/work\/opencv\/platforms\/linux\/aarch64-gnu.toolchain.cmake <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DOPENCV_EXTRA_MODULES_PATH<\/span><span class=\"o\">=<\/span>opencv_contrib\/modules <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-GNinja<\/span>\r\n<\/code><\/pre>\n<p>\u5f53cmake\u6210\u529f\u65f6\uff0c\u4e3b\u673a\u7f16\u7a0b\u73af\u5883\u5c06\u53d8\u4e3ax86_64\uff0c\u76ee\u6807\u7f16\u7a0b\u73af\u5883\u5c06\u53d8\u4e3aaarch64\u3002<\/p>\n<pre class=\"post-pre\"><code>-- General configuration for OpenCV 4.8.0-dev =====================================\r\n--   Version control:               4.8.0-237-XXXXXXXX\r\n--\r\n--   Extra modules:\r\n--     Location (extra):            \/home\/kmtr\/work\/opencv_contrib\/modules\r\n--     Version control (extra):     4.8.0-17-XXXXXXXX\r\n--\r\n--   Platform:\r\n--     Timestamp:                   2023-09-17T01:31:30Z\r\n--     Host:                        Linux 6.2.0-32-generic x86_64\r\n--     Target:                      Linux 1 aarch64\r\n--     CMake:                       3.25.1\r\n--     CMake generator:             Ninja\r\n--     CMake build tool:            \/usr\/bin\/ninja\r\n--     Configuration:               Release\r\n<\/code><\/pre>\n<h4>build &amp; install\u3042\u3068\u306f\u4eca\u307e\u3067\u901a\u308a\u3001\u666e\u901a\u306bbuild\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>     cmake <span class=\"nt\">--build<\/span>   build4-full_arm64\r\n<span class=\"nb\">sudo <\/span>cmake <span class=\"nt\">--install<\/span> build4-full_arm64\r\n<\/code><\/pre>\n<p>build\u7d50\u679c\u306f\u3001install\u30d1\u30b9\u306b\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u9069\u5f53\u306a\u624b\u6bb5\u3067target\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3002<\/p>\n<p>target\u3067\u306f\u3001\/usr\/local\/include\/opencv4\u306a\u3069\u306b\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306a\u3069\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n<h4>target\u3067libraries\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u3066\u3001\u3053\u3053\u3067target\u5074\u3067\u306e\u4f5c\u696d\u306b\u306a\u308b\u3002\u3053\u308c\u307e\u3067build\u3057\u305fopencv\u306fhost\u5074\u74b0\u5883\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002\u3068\u3044\u3046\u3053\u3068\u306f\u3001target\u306b\u30b3\u30d4\u30fc\u3057\u305f\u3060\u3051\u3060\u3068\u52d5\u304b\u306a\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>ldd \/usr\/local\/lib\/libopencv_freetype.so\r\n        linux-vdso.so.1 <span class=\"o\">(<\/span>0xABCDEFG01234567<span class=\"o\">)<\/span>\r\n        libopencv_imgproc.so.408 <span class=\"o\">=&gt;<\/span> \/usr\/local\/lib\/libopencv_imgproc.so.408 <span class=\"o\">(<\/span>0xABCDEFG01234567<span class=\"o\">)<\/span>\r\n        libfreetype.so.6 <span class=\"o\">=&gt;<\/span> \/lib\/aarch64-linux-gnu\/libfreetype.so.6 <span class=\"o\">(<\/span>0xABCDEFG01234567<span class=\"o\">)<\/span>\r\n        libharfbuzz.so.0 <span class=\"o\">=&gt;<\/span> not found\r\n        libopencv_core.so.408 <span class=\"o\">=&gt;<\/span> \/usr\/local\/lib\/libopencv_core.so.408 <span class=\"o\">(<\/span>0xABCDEFG01234567<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u6b64\uff0c\u76ee\u6807\u7aef\u4e5f\u9700\u8981\u5b89\u88c5\u6240\u9700\u7684\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code>sudo apt install libfreetype-dev libharfbuzz-dev\r\nsudo ldconfig\r\n\r\nldd \/usr\/local\/lib\/libopencv_freetype.so\r\n        linux-vdso.so.1 (0xABCDEFG01234567)\r\n        libopencv_imgproc.so.408 =&gt; \/usr\/local\/lib\/libopencv_imgproc.so.408 (0xABCDEFG01234567)\r\n        libfreetype.so.6 =&gt; \/lib\/aarch64-linux-gnu\/libfreetype.so.6 (0xABCDEFG01234567)\r\n        libharfbuzz.so.0 =&gt; \/lib\/aarch64-linux-gnu\/libharfbuzz.so.0 (0xABCDEFG01234567)\r\n        libopencv_core.so.408 =&gt; \/usr\/local\/lib\/libopencv_core.so.408 (0xABCDEFG01234567)\r\n<\/code><\/pre>\n<p>\u4e07\u4e8b\u89e3\u51b3\uff01\u62dc\u62dc\uff01\u62dc\u62dc\uff01<\/p>\n<h2>\u6211\u60f3\u542f\u7528FFmpeg\uff01<br \/>\n\u305d\u3093\u306a\u6642\u306f\u3001Host\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8db3\u3057\u307e\u3057\u3087\u3046\uff01\uff01<\/p>\n<pre class=\"post-pre\"><code>  sudo apt install -y \\\r\n<span class=\"gi\">+   libavcodec-dev:arm64 \\\r\n+   libavformat-dev:arm64 \\\r\n+   libavutil-dev:arm64 \\\r\n+   libswscale-dev:arm64 \\\r\n<\/span>    libfreetype-dev:arm64 \\\r\n    libharfbuzz-dev:arm64\r\n<\/code><\/pre>\n<p>\u305d\u3057\u3066\u3001cmake\u30b3\u30de\u30f3\u30c9\u3067\u3001\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u4f5c\u308a\u76f4\u305b\u3070\u30aa\u30c3\u30b1\u30fc\uff01\uff01<\/p>\n<pre class=\"post-pre\"><code>--\r\n--   Video I\/O:\r\n--     DC1394:                      NO\r\n--     FFMPEG:                      YES\r\n--       avcodec:                   YES (60.3.100)\r\n--       avformat:                  YES (60.3.100)\r\n--       avutil:                    YES (58.2.100)\r\n--       swscale:                   YES (7.1.100)\r\n--       avresample:                NO\r\n--     GStreamer:                   NO\r\n--     v4l\/v4l2:                    YES (linux\/videodev2.h)\r\n<\/code><\/pre>\n<h2>\u25ef Python binding\u3082\u6709\u52b9\u5316\u3057\u305f\u3044\u3088\uff01\u6fc0\u6d3bPython\u7ed1\u5b9a\u65f6\uff0c\u9700\u8981\u7a0d\u52a0\u6280\u5de7\u3002<\/p>\n<p>\u304a\u624b\u6301\u3061\u306ePython Version\u304c\u30013.9\u306a\u306e\u304b3.10\u306a\u306e\u304b3.11\u306a\u306e\u304b\u3001\u3068\u3044\u3046\u60c5\u5831\u304c\u5fc5\u8981\u3002<br \/>\n\u3061\u3087\u3063\u3068\u30c8\u30ea\u30c3\u30ad\u30fc\u3060\u3051\u3069\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3001cmake\u5b9f\u884c\u6642\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u3066\u3042\u3052\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>PYTHON3_REALPATH=`realpath \/usr\/bin\/python3`\r\nPYTHON3_BASENAME=`basename ${PYTHON3_REALPATH}`\r\nPKG_CONFIG_PATH=\/usr\/lib\/aarch64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig \\\r\n    PKG_CONFIG_LIBDIR=\/usr\/lib\/aarch64-linux-gnu \\\r\n    PKG_CONFIG_SYSROOT_DIR=\/ \\\r\n        cmake -S opencv \\\r\n              -B build4-full_arm64 \\\r\n              -DCMAKE_TOOLCHAIN_FILE=\/home\/kmtr\/work\/opencv\/platforms\/linux\/aarch64-gnu.toolchain.cmake \\\r\n              -DOPENCV_EXTRA_MODULES_PATH=opencv_contrib\/modules \\\r\n              -DPYTHON3_NUMPY_INCLUDE_DIRS=\"\/usr\/local\/lib\/${PYTHON3_BASENAME}\/dist-packages\/numpy\/core\/include\/\" \\\r\n              -DPYTHON3_INCLUDE_PATH=\"\/usr\/include\/${PYTHON3_BASENAME};\/usr\/include\/\" \\\r\n              -DPYTHON3_LIBRARIES=`find \/usr\/lib\/aarch64-linux-gnu\/ -name libpython*.so` \\\r\n              -DPYTHON3_EXECUTABLE=\"\/usr\/bin\/${PYTHON3_BASENAME}\" \\\r\n              -DPYTHON3_CVPY_SUFFIX=\".so\" \\\r\n              -GNinja\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6210\u529f\u5730\u5b8c\u6210\uff0cPython \u73af\u5883\u53d8\u91cf\u5c06\u88ab\u8bc6\u522b\u4e3a\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u65b9\u5f0f\uff08\u4e3a\u4e86\u8c28\u614e\u8d77\u89c1\uff0c\u53ef\u80fd\u9700\u8981\u5220\u9664\u6587\u4ef6\u5939\u4e00\u6b21\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>--\r\n--   Python 3:\r\n--     Interpreter:                 \/usr\/bin\/python3.11 (ver 3.11.6)\r\n--     Libraries:                   \/usr\/lib\/aarch64-linux-gnu\/libpython3.11.so\r\n--     numpy:                       \/usr\/local\/lib\/python3.11\/dist-packages\/numpy\/core\/include\/ (ver undefined - cannot be probed because of the cross-compilation)\r\n--     install path:                lib\/python3.11\/dist-packages\/cv2\/python-3.11\r\n--\r\n--   Python (for build):            \/usr\/bin\/python3.11\r\n--\r\n<\/code><\/pre>\n<h1>\u25a0 \u76ee\u6807\u7248OpenCV\u6784\u5efa\uff08armhf\uff09\u5927\u81f4\u7684\u6b65\u9aa4\u4e0earm64\u76f8\u4f3c\u3002<\/p>\n<p>linux-libc-dev:armhf \u3092\u624b\u52d5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u306a\u3044\u3068\u3001\u4f9d\u5b58\u95a2\u4fc2\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002<\/p>\n<p>-DENABLE_NEON=ON\u3092\u4ed8\u3051\u308b\u3068\u3001NEON\u3092\u4f7f\u3063\u305f\u6700\u9069\u5316\u304c\u6709\u52b9\u306b\u306a\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt <span class=\"nb\">install <\/span>linux-libc-dev:armhf\r\n<span class=\"nb\">sudo <\/span>apt <span class=\"nb\">install <\/span>libfreetype-dev:armhf libharfbuzz-dev:armhf\r\n \r\n<span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/arm-linux-gnueabihf\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/arm-linux-gnueabihf\/ <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n       pkg-config freetype2 harfbuzz <span class=\"nt\">--cflags<\/span> <span class=\"nt\">--libs<\/span>\r\n<span class=\"o\">(<\/span>output<span class=\"o\">)<\/span> <span class=\"nt\">-I<\/span>\/usr\/include\/freetype2 <span class=\"nt\">-I<\/span>\/usr\/include\/libpng16 <span class=\"nt\">-I<\/span>\/usr\/include\/harfbuzz <span class=\"nt\">-I<\/span>\/usr\/include\/glib-2.0 <span class=\"nt\">-I<\/span>\/usr\/lib\/arm-linux-gnueabihf\/glib-2.0\/include <span class=\"nt\">-L<\/span>\/usr\/lib\/arm-linux-gnueabihf <span class=\"nt\">-lfreetype<\/span> <span class=\"nt\">-lharfbuzz<\/span>\r\n \r\n<span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/arm-linux-gnueabihf\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/lib\/arm-linux-gnueabihf <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n        cmake <span class=\"nt\">-S<\/span> opencv <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-B<\/span> build4-full_armhf <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DENABLE_NEON<\/span><span class=\"o\">=<\/span>ON <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DCMAKE_TOOLCHAIN_FILE<\/span><span class=\"o\">=<\/span>\/home\/kmtr\/work\/opencv\/platforms\/linux\/arm-gnueabi.toolchain.cmake <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DOPENCV_EXTRA_MODULES_PATH<\/span><span class=\"o\">=<\/span>opencv_contrib\/modules <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-GNinja<\/span>\r\n \r\ncmake      <span class=\"nt\">--build<\/span>   build4-full_armhf\r\n<span class=\"nb\">sudo <\/span>cmake <span class=\"nt\">--install<\/span> build4-full_armhf\r\n<\/code><\/pre>\n<h1>\u25a0 \u76ee\u6807\u7248\u672cOpenCV\u6784\u5efa(riscv64)<br \/>\n\u5927\u81f4\u7684\u6b65\u9aa4\u662f\u9075\u5faaarm64\u7684\u89c4\u8303\u3002<\/p>\n<pre class=\"post-pre\"><code>deb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic main restricted\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates main restricted\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic universe\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates universe\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic multiverse\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-updates multiverse\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-backports main restricted universe multiverse\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security main restricted\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security universe\r\ndeb [arch=arm64,armhf,riscv64] http:\/\/ports.ubuntu.com\/ubuntu-ports mantic-security multiverse\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u5de5\u5177\u94fe\u6587\u4ef6\u51fa\u4e86\u70b9\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u884c\u624b\u52a8\u4fee\u590d\u3002<\/p>\n<details>\u4fee\u6b63\u7ec6\u8282\u8bf7\u67e5\u770b\u6b64\u5904\uff1adiff &#8211;git a\/platforms\/linux\/riscv-gnu.toolchain.cmake b\/platforms\/linux\/riscv-gnu.toolchain.cmake<br \/>\nindex 1657bd1681..6b61251762 100644<br \/>\n&#8212; a\/platforms\/linux\/riscv-gnu.toolchain.cmake<br \/>\n+++ b\/platforms\/linux\/riscv-gnu.toolchain.cmake<br \/>\n@@ -17,18 +17,18 @@ \u5982\u679c\uff08\u4e0d\u662f\u201cx${GCC_COMPILER_VERSION}\u201d\u7b49\u4e8e\u201cx\u201d\uff09<br \/>\n\u7ed3\u675f\u5982\u679c<\/p>\n<p>\u5982\u679c\uff08\u6ca1\u6709\u5b9a\u4e49GNU_MACHINE\uff09<br \/>\n&#8211; set(GNU_MACHINE riscv64-unknown-linux-gnu CACHE STRING &#8220;GNU compiler triple&#8221;)<br \/>\n+ set(GNU_MACHINE riscv64-linux-gnu CACHE STRING &#8220;GNU compiler triple&#8221;)<br \/>\n\u7ed3\u675f\u5982\u679c<\/p>\n<p>\u5982\u679c\uff08\u6ca1\u6709\u5b9a\u4e49TOOLCHAIN_COMPILER_LOCATION_HINT\uff09<br \/>\nset(TOOLCHAIN_COMPILER_LOCATION_HINT PATHS \/opt\/riscv\/bin ENV PATH)<br \/>\n\u7ed3\u675f\u5982\u679c<\/p>\n<p>-\u5982\u679c\uff08\u6ca1\u6709\u5b9a\u4e49CMAKE_C_COMPILER\uff09<br \/>\n&#8211; find_program(CMAKE_C_COMPILER NAMES ${GNU_MACHINE}-gcc${__GCC_VER_SUFFIX} PATHS ${TOOLCHAIN_COMPILER_LOCATION_HINT})<br \/>\n-\u5426\u5219\uff08\uff09<br \/>\n&#8211; \uff03message(WARNING &#8220;CMAKE_C_COMPILER=${CMAKE_C_COMPILER}\u5df2\u5b9a\u4e49&#8221;)<br \/>\n-\u5426\u5219\u7ed3\u675f<br \/>\n+\u5982\uff08\u6ca1\u6709\u5b9a\u4e49CMAKE_C_COMPILER\uff09<br \/>\n+ find_program(CMAKE_C_COMPILER NAMES ${GNU_MACHINE}-gcc${__GCC_VER_SUFFIX} PATHS ${TOOLCHAIN_COMPILER_LOCATION_HINT})<br \/>\n+\u5426\u5219\uff08\uff09<br \/>\n+ \uff03message(WARNING &#8220;CMAKE_C_COMPILER=${CMAKE_C_COMPILER}\u5df2\u5b9a\u4e49&#8221;)<br \/>\n+\u5982\u4f55\u7ed3\u675f<br \/>\n\u5982\u679c\uff08\u6ca1\u6709\u5b9a\u4e49CMAKE_CXX_COMPILER\uff09<br \/>\nfind_program(CMAKE_CXX_COMPILER NAMES ${GNU_MACHINE}-g++${__GCC_VER_SUFFIX} PATHS ${TOOLCHAIN_COMPILER_LOCATION_HINT})<br \/>\n\u5426\u5219\uff08\uff09<br \/>\n@@ -45,11 +45,11 @@ \u5426\u5219\uff08\uff09<br \/>\n\uff03message(WARNING &#8220;CMAKE_AR=${CMAKE_AR}\u5df2\u5b9a\u4e49&#8221;)<br \/>\n\u5426\u5219\u7ed3\u675f<\/p>\n<p>-\u5982\u679c\uff08\u6ca1\u6709\u5b9a\u4e49RISCV_SYSROOT\uff09<br \/>\n&#8211; get_filename_component(_base_dir ${CMAKE_C_COMPILER} DIRECTORY)<br \/>\n&#8211; get_filename_component(_base_dir ${_base_dir} DIRECTORY)<br \/>\n&#8211; set(RISCV_SYSROOT ${_base_dir}\/sysroot CACHE PATH &#8220;RISC-V sysroot&#8221;)<br \/>\n-\u5426\u5219\u7ed3\u675f<br \/>\n+\u5982\uff08\u6ca1\u6709\u5b9a\u4e49RISCV_SYSROOT\uff09<br \/>\n+ get_filename_component(_base_dir ${CMAKE_C_COMPILER} DIRECTORY)<br \/>\n+ get_filename_component(_base_dir ${_base_dir} DIRECTORY)<br \/>\n+ set(RISCV_SYSROOT ${_base_dir}\/sysroot CACHE PATH &#8220;RISC-V sysroot&#8221;)<br \/>\n+\u5982\u4f55\u7ed3\u675f<\/p>\n<p>set(CMAKE_SYSROOT &#8220;${RISCV_SYSROOT}&#8221;)<br \/>\nset(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH} ${RISCV_SYSROOT})<\/p>\n<\/details>\n<p>\u90a3\u4e48\u5c31\u4f9d\u6b21\u8fdb\u884c\u5efa\u9020\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>apt <span class=\"nb\">install <\/span>libfreetype-dev:riscv64 libharfbuzz-dev:riscv64\r\n \r\n<span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/riscv64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/riscv64-linux-gnu <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n       pkg-config freetype2 harfbuzz <span class=\"nt\">--cflags<\/span> <span class=\"nt\">--libs<\/span>\r\n<span class=\"o\">(<\/span>output<span class=\"o\">)<\/span> <span class=\"nt\">-I<\/span>\/usr\/include\/freetype2 <span class=\"nt\">-I<\/span>\/usr\/include\/libpng16 <span class=\"nt\">-I<\/span>\/usr\/include\/harfbuzz <span class=\"nt\">-I<\/span>\/usr\/include\/glib-2.0 <span class=\"nt\">-I<\/span>\/usr\/lib\/riscv64-linux-gnu\/glib-2.0\/include <span class=\"nt\">-L<\/span>\/usr\/lib\/riscv64-linux-gnu <span class=\"nt\">-lfreetype<\/span> <span class=\"nt\">-lharfbuzz<\/span>\r\n\r\n<span class=\"nv\">PKG_CONFIG_PATH<\/span><span class=\"o\">=<\/span>\/usr\/lib\/riscv64-linux-gnu\/pkgconfig:\/usr\/share\/pkgconfig <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_LIBDIR<\/span><span class=\"o\">=<\/span>\/usr\/lib\/riscv64-linux-gnu <span class=\"se\">\\<\/span>\r\n    <span class=\"nv\">PKG_CONFIG_SYSROOT_DIR<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n        cmake <span class=\"nt\">-S<\/span> opencv <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-B<\/span> build4-full_riscv64 <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DCMAKE_C_COMPILER<\/span><span class=\"o\">=<\/span>\/usr\/bin\/riscv64-linux-gnu-gcc <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DCMAKE_CXX_COMPILER<\/span><span class=\"o\">=<\/span>\/usr\/bin\/riscv64-linux-gnu-g++ <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DRISCV_SYSROOT<\/span><span class=\"o\">=<\/span>\/ <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DCMAKE_TOOLCHAIN_FILE<\/span><span class=\"o\">=<\/span>\/home\/kmtr\/work\/opencv\/platforms\/linux\/riscv64-gcc.toolchain.cmake <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-DOPENCV_EXTRA_MODULES_PATH<\/span><span class=\"o\">=<\/span>opencv_contrib\/modules <span class=\"se\">\\<\/span>\r\n              <span class=\"nt\">-GNinja<\/span>\r\n \r\ncmake      <span class=\"nt\">--build<\/span>   build4-full_riscv64\r\n<span class=\"nb\">sudo <\/span>cmake <span class=\"nt\">--install<\/span> build4-full_riscv64\r\n<\/code><\/pre>\n<h1>\u25a0 \u603b\u7ed3: \u5229\u7528Multiarch\u8f7b\u677e\u8fdb\u884c\u4ea4\u53c9\u7f16\u8bd1\uff01<br \/>\n\u6709\u4e86\u4e00\u4e2ax86-64\u7684\u4e3b\u673a\uff0c\u5c31\u53ef\u4ee5\u5236\u4f5c\u9002\u7528\u4e8eARMv7\/ARMv8\/RISCV\u7684OpenCV\u4e86\uff01<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Ubuntu\u306b\u306f\u3001Multiarch\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001\u7570\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u6df7\u5728\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">OpenCV\u306e\u30af\u30ed\u30b9\u30d3\u30eb\u30c9\u306b\u4f7f\u3046\u3068\u3001\u4ed6Arch\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u7c21\u5358\u306b\u4f5c\u308c\u308b\u3002<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e86\u3002\u975e\u5e38\u611f\u8c22\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u662f2023\u5e74OpenCV Advent Calendar\u7684\u7b2c\u56db\u5929\u6587\u7ae0\u3002 \u5176\u4ed6\u6587\u7ae0\u5df2\u7ecf\u6574\u7406\u5728\u76ee\u5f55\u4e2d\u3002 \u25a0 \u7cbe [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-25434","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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content=\"\u5173\u4e8e\u7b2c109\u8bdd\uff1aOpenCV4\u7684\u4ea4\u53c9\u6784\u5efa\uff08\u4ecex86-64\u5230ARMv7\/ARMv8\/RISCV\uff09\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7b2c109\u8bdd\uff1aopencv4\u7684\u4ea4\u53c9\u6784\u5efa\uff08\u4ecex86-64\u5230armv7-armv8-riscv\uff09-3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-30T14:17:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-11T05:37:07+00:00\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script 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