build.html

<!DOCTYPE html>
<html>

<head>
  <title>TDLib build instructions</title>
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</head>

<body onload="onLoad(true)" onpopstate="onLoad(false)">

<div class="main">
  <div id="languageSelectDiv">
    <p>Choose a programming language from which you want to use TDLib:</p>
    <select id="languageSelect" onchange="onLanguageChanged(false)" autofocus class="large">
      <option>Choose a programming language:</option>
      <option>Python</option>
      <option>JavaScript</option>
      <option>Go</option>
      <option>Java</option>
      <option>Kotlin</option>
      <option>C#</option>
      <option>C++</option>
      <option>Swift</option>
      <option>Objective-C</option>
      <option>Object Pascal</option>
      <option>Dart</option>
      <option>Rust</option>
      <option>Erlang</option>
      <option>PHP</option>
      <option>Lua</option>
      <option>Ruby</option>
      <option>Crystal</option>
      <option>Haskell</option>
      <option>Nim</option>
      <option>Clojure</option>
      <option>D</option>
      <option>Elixir</option>
      <option>Vala</option>
      <option>C</option>
      <option>G</option>
      <option>Other</option>
    </select>
  </div>

  <div id="osSelectDiv" class="hide">
    <p>Choose an operating system on which you want to use TDLib:</p>
    <select id="osSelect" onchange="onOsChanged()" class="large">
      <option>Choose an operating system:</option>
    </select>
    <p></p>
  </div>

  <div id="linuxSelectDiv" class="hide">
    <p>Choose a Linux distro on which you want to use TDLib:</p>
    <select id="linuxSelect" onchange="onOsChanged()" class="large">
      <option>Choose a Linux distro:</option>
      <option>Alpine</option>
      <option>CentOS 7</option>
      <option>CentOS 8</option>
      <option>Debian 8</option>
      <option>Debian 9</option>
      <option>Debian 10+</option>
      <option>Ubuntu 14</option>
      <option>Ubuntu 16</option>
      <option>Ubuntu 18</option>
      <option>Ubuntu 20</option>
      <option>Ubuntu 22</option>
      <option>Other</option>
    </select>
    <p></p>
  </div>

  <div id="buildOptionsDiv" class="hide">
    <div id="buildLtoDiv" class="hide">
      <label><input type="checkbox" id="buildLtoCheckbox" onchange="onOptionsChanged()"/>Enable Link Time Optimization (requires CMake >= 3.9.0). It can significantly reduce binary size and increase performance, but sometimes it can lead to build failures.</label>
    </div>

    <div id="buildDebugDiv" class="hide">
      <label><input type="checkbox" id="buildDebugCheckbox" onchange="onOptionsChanged()"/>Build the debug binary. Debug binaries are much larger and slower than the release one.</label>
    </div>

    <div id="buildInstallLocalDiv" class="hide">
      <label><input type="checkbox" id="buildInstallLocalCheckbox" onchange="onOptionsChanged()"/>Install built TDLib to /usr/local instead of placing the files to td/tdlib.</label>
    </div>

    <p></p>

    <div id="buildCompilerDiv" class="hide">
      <span>Choose which compiler you want to use to build TDLib:</span><br>
      <label><input type="radio" id="buildCompilerRadioGcc" name="buildCompilerRadio" onchange="onOptionsChanged()" checked/>g++</label>
      <label><input type="radio" id="buildCompilerRadioClang" name="buildCompilerRadio" onchange="onOptionsChanged()"/>clang (recommended)</label>
      <p></p>
    </div>

    <div id="buildArchiverDiv" class="hide">
      <span>Choose which archiver application you want to use for VSIX creation:</span><br>
      <label><input type="radio" id="buildArchiverRadio7Zip" name="buildArchiverRadio" onchange="onOptionsChanged()" checked/>7-Zip</label>
      <label><input type="radio" id="buildArchiverRadioZip" name="buildArchiverRadio" onchange="onOptionsChanged()"/>zip</label>
      <label><input type="radio" id="buildArchiverRadioWinRar" name="buildArchiverRadio" onchange="onOptionsChanged()"/>WinRAR</label>
      <p></p>
    </div>

    <div id="buildShellDiv" class="hide">
      <span>Choose which shell application you want to use for building:</span><br>
      <label><input type="radio" id="buildShellRadioPowerShell" name="buildShellRadio" onchange="onOptionsChanged()" checked/>PowerShell</label>
      <label><input type="radio" id="buildShellRadioBash" name="buildShellRadio" onchange="onOptionsChanged()"/>mintty/Bash</label>
      <p></p>
    </div>

    <div id="buildShellBsdDiv" class="hide">
      <span>Choose which shell application you want to use for building:</span><br>
      <label><input type="radio" id="buildShellBsdRadioCsh" name="buildShellRadioBsd" onchange="onOptionsChanged()" checked/>tcsh/csh</label>
      <label><input type="radio" id="buildShellBsdRadioBash" name="buildShellRadioBsd" onchange="onOptionsChanged()"/>Bash</label>
      <p></p>
    </div>

    <div id="buildMacOsHostDiv" class="hide">
      <span>Choose host architecture:</span><br>
      <label><input type="radio" id="buildMacOsHostRadioAppleSilicon" name="buildMacOsHostRadio" onchange="onOptionsChanged()" checked/>Apple silicon</label>
      <label><input type="radio" id="buildMacOsHostRadioIntel" name="buildMacOsHostRadio" onchange="onOptionsChanged()"/>Intel</label>
      <p></p>
    </div>

    <div id="buildBitnessDiv" class="hide">
      <span>Choose for which bitness you want to build TDLib:</span><br>
      <label><input type="radio" id="buildBitnessRadio32" name="buildBitnessRadio" onchange="onOptionsChanged()" checked/>32</label>
      <label><input type="radio" id="buildBitnessRadio64" name="buildBitnessRadio" onchange="onOptionsChanged()"/>64</label>
      <p></p>
    </div>

    <div id="buildLowMemoryDiv" class="hide">
      <label><input type="checkbox" id="buildLowMemoryCheckbox" onchange="onOptionsChanged()"/><span id="buildLowMemoryText">Check this if you have less than 4 GB of RAM</span></label>
    </div>

    <div id="buildRootDiv" class="hide">
      <label><input type="checkbox" id="buildRootCheckbox" onchange="onOptionsChanged()"/>Build from root user (not recommended)</label>
    </div>

    <p></p>
  </div>

  <div id="buildTextDiv" class="hide">
    <p id="buildText">Hidden text</p>
  </div>

  <div id="buildCommandsDiv" class="hide">
    <p id="buildCommandsHeader">Here is complete instruction for TDLib binaries building:</p>
    <p id="buildPre">Hidden text</p>
    <code id="buildCommands">Empty commands</code>
    <button id="copyBuildCommandsButton" onclick="copyBuildInstructions()">
        <span id="copyBuildCommandsText">Copy</span>
    </button>
  </div>
</div>

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    case 'WebAssembly':
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             'See <a href="https://github.com/tdlib/td/blob/master/example/README.md#' + getExampleAnchor(language) + '">examples</a> of such usage and already available third-party frameworks.<br>';

  if (target === 'WebAssembly') {
    text = 'TDLib is available in a prebuilt form as an <a href="https://www.npmjs.com/">NPM</a> package <a href="https://www.npmjs.com/package/tdweb">tdweb</a>.<br>' +
           'If you want to build it manually, take a look at our <a href="https://github.com/tdlib/td/tree/master/example/web">example</a>.';
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    text = 'TDLib for Android is available in a prebuilt form and can be downloaded from <a href="https://core.telegram.org/tdlib/tdlib.zip">there</a>.<br>' +
           'See <a href="https://github.com/tdlib/td/issues/77#issuecomment-640719893">build instructions</a> if you want to build the latest TDLib version or want to build TDLib with different interface.';
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  if (os_windows) {
    let win10_sdk = (target === 'C++/CX' ? ' and Windows 10 SDK' : '');
    if (target !== 'C++/CLI' && target !== 'C++/CX') {
      pre_text.push('Note that Windows Subsystem for Linux (WSL) and Cygwin are not Windows environments, so you need to use instructions for Linux for them instead.');
    }
    pre_text.push('Download and install <a href="https://visualstudio.microsoft.com/vs/community/">Microsoft Visual Studio</a>. Enable C++' + win10_sdk + ' support while installing.');
    pre_text.push('Download and install <a href="https://cmake.org/download/">CMake</a>; choose "Add CMake to the system PATH" option while installing.');
    pre_text.push('Download and install <a href="https://git-scm.com/download/win">Git</a>.');
    pre_text.push('Download and unpack <a href="https://windows.php.net/download">PHP</a>. Add the path to php.exe to the PATH environment variable.');
    if (target === 'C++/CX') {
      switch (archiver) {
        case '7zip':
          pre_text.push('Download and install <a href="http://www.7-zip.org/download.html">7-Zip</a> archiver. Add the path to 7z.exe to the PATH environment variable.');
          break;
        case 'zip':
          pre_text.push('Download and install <a href="http://gnuwin32.sourceforge.net/packages/zip.htm">zip</a> archiver. Add the path to zip.exe to the PATH environment variable.');
          break;
        case 'WinRAR':
          pre_text.push('You need bought and installed <a href="https://www.win-rar.com/start.html?&L=4">WinRAR</a> archiver. Add the path to WinRAR.exe to the PATH environment variable.');
          break;
      }
    }
  }
  if (target === 'JNI') {
    if (os_windows) {
      pre_text.push('Download and install <a href="https://www.oracle.com/technetwork/java/javase/downloads/index.html">JDK</a>.');
    } else if (os_linux && linux_distro === 'Alpine') {
      pre_text.push('Add community repository for your Alpine version (not edge) in /etc/apk/repositories. For example, you can do it through vim, preliminary installing it via "apk add --update vim".');
    }
  }
  if (os_linux && linux_distro === 'Other') {
    var jdk = target === 'JNI' ? ', JDK ' : '';
    var compiler = use_clang ? 'clang >= 3.4, libc++' : 'g++ >= 4.9.2';
    pre_text.push('Install Git, ' + compiler + ', make, CMake >= 3.0.2, OpenSSL-dev, zlib-dev, gperf, PHP' + jdk + ' using your package manager.');
  }
  if (os_linux && os.includes('Node.js')) {
    pre_text.push('Note that for Node.js &ge; 17 you must build TDLib with OpenSSL 3.0.*, for Node.js &ge; 10 with OpenSSL 1.1.*, and for Node.js &lt; 10 with OpenSSL 1.0.*, so you may need to modify the following commands to install a proper OpenSSL version.');
  }
  if (os_freebsd) {
    pre_text.push('Note that the following instruction is for FreeBSD 11.');
    pre_text.push('Note that the following calls to <code>pkg</code> needs to be run as <code>root</code>.');
  }
  if (os_openbsd) {
    pre_text.push('Note that the following instruction is for OpenBSD 6.7 and default KSH shell.');
    pre_text.push('Note that building requires a lot of memory, so you may need to increase allowed per-process memory usage in /etc/login.conf or build from root.');
  }
  if (os_netbsd) {
    pre_text.push('Note that the following instruction is for NetBSD 8+ and default SH shell.');
  }
  if (os_mac) {
    pre_text.push('Note that the following instruction will build TDLib only for ' + os_mac_host_name + '.');
    pre_text.push('If you want to create a universal XCFramework, take a look at our <a href="https://github.com/tdlib/td/tree/master/example/ios">example</a> instead.');
  }

  var terminal_name = (function () {
    if (os_windows) {
      return use_powershell ? 'PowerShell' : 'mintty/Bash';
    }
    if (os_mac) {
      return 'Terminal';
    }
    if (os_openbsd) {
      return 'ksh';
    }
    if (os_netbsd) {
      return 'sh';
    }
    if (use_csh) {
      return 'tcsh/csh';
    }
    return 'Bash';
  })();
  if (os_windows) {
    pre_text.push('Close and re-open ' + terminal_name + ' if the PATH environment variable was changed.');
  }
  pre_text.push('Run these commands in ' + terminal_name + ' to build TDLib and to install it to ' + install_dir + ':');
  document.getElementById('buildPre').innerHTML = '<ul><li>' + pre_text.join('</li><li>') + '</li></ul>';
  document.getElementById('buildPre').style.display = 'block';

  if (install_dir && install_dir !== '/usr/local') {
    install_dir = '../tdlib';
    if (target === 'JNI' || target === 'C++/CX') {
      install_dir = '../../' + install_dir;
    }
  }
  var jni_install_dir = '';
  if (target === 'JNI') {
    jni_install_dir = install_dir;
    install_dir = '../example/java/td';
  }

  function getClangVersionSuffix() {
    switch (linux_distro) {
      case 'Ubuntu 14':
        return '-3.9';
      case 'Ubuntu 18':
        return '-6.0';
      case 'Ubuntu 20':
        return '-10';
      case 'Ubuntu 22':
        return '-14';
      default:
        return ''; // use default version
    }
  }

  var commands = [];

  var php = 'php';
  var cmake = 'cmake';
  if (os_mac) {
    commands.push('xcode-select --install');
    commands.push('/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"');
    commands.push('brew install gperf cmake openssl' + (target === 'JNI' ? ' coreutils' : ''));
    if (target === 'JNI') {
      commands.push('brew install openjdk');
    }
  } else if (os_linux && linux_distro !== 'Other') {
    switch (linux_distro) {
      case 'Alpine':
        commands.push(sudo + 'apk update');
        commands.push(sudo + 'apk upgrade');
        var packages = 'alpine-sdk linux-headers git zlib-dev openssl-dev gperf php cmake';
        if (target === 'JNI') {
          packages += ' openjdk8';
        }
        commands.push(sudo + 'apk add --update ' + packages);
        break;
      case 'CentOS 7':
      case 'CentOS 8':
        commands.push(sudo + 'yum update -y');
        var packages = 'gcc-c++ make git zlib-devel openssl-devel php';
        if (linux_distro === 'CentOS 7') {
          commands.push(sudo + 'yum install -y centos-release-scl-rh epel-release');
          commands.push(sudo + 'yum install -y devtoolset-9-gcc devtoolset-9-gcc-c++');
          cmake = 'cmake3';
          packages += ' gperf';
        } else {
          commands.push(sudo + 'dnf --enablerepo=powertools install gperf');
        }
        packages += ' ' + cmake;
        if (target === 'JNI') {
          packages += ' java-11-openjdk-devel';
        }
        commands.push(sudo + 'yum install -y ' + packages);
        break;
      case 'Debian 8':
      case 'Debian 9':
      case 'Debian 10+':
      case 'Ubuntu 14':
      case 'Ubuntu 16':
      case 'Ubuntu 18':
      case 'Ubuntu 20':
      case 'Ubuntu 22':
        if (linux_distro.includes('Debian') && !use_root) {
          commands.push('su -');
        }
        if (linux_distro === 'Ubuntu 14' && !use_clang) {
          commands.push(sudo + 'add-apt-repository ppa:ubuntu-toolchain-r/test');
        }
        commands.push(sudo + 'apt-get update');
        commands.push(sudo + 'apt-get upgrade');
        var packages = 'make git zlib1g-dev libssl-dev gperf';
        if (linux_distro === 'Ubuntu 14' || linux_distro === 'Debian 8') {
          packages += ' php5-cli';
        } else {
          packages += ' php-cli';
        }
        if (linux_distro === 'Ubuntu 14') {
          packages += ' cmake3';
        } else {
          packages += ' cmake';
        }
        if (target === 'JNI') {
          packages += ' default-jdk';
        }
        if (use_clang) {
          packages += ' clang' + getClangVersionSuffix() + ' libc++-dev';
          if (linux_distro === 'Debian 10+' || linux_distro === 'Ubuntu 18' || linux_distro === 'Ubuntu 20' || linux_distro === 'Ubuntu 22') {
            packages += ' libc++abi-dev';
          }
        } else {
          packages += ' g++';
          if (linux_distro === 'Ubuntu 14') {
            packages += '-4.9';
          }
        }
        commands.push(sudo + 'apt-get install ' + packages);
        if (linux_distro.includes('Debian') && !use_root) {
          commands.push('exit');
        }
        break;
    }
  } else if (os_freebsd) {
    commands.push(sudo + 'pkg upgrade');
    var packages = 'git gperf php72 cmake';
    if (target === 'JNI') {
      packages += ' openjdk';
    }
    commands.push(sudo + 'pkg install ' + packages);
  } else if (os_openbsd) {
    if (!use_root) {
      commands.push('su -');
    }
    var packages = 'git gperf php-7.2.10 cmake';
    if (target === 'JNI') {
      packages += ' jdk';
    }
    commands.push('pkg_add -z ' + packages);
    if (!use_root) {
      commands.push('exit');
    }

    php = "php-7.2";
  } else if (os_netbsd) {
    if (!use_root) {
      commands.push('su -');
    }
    commands.push('export PKG_PATH=http://cdn.netbsd.org/pub/pkgsrc/packages/NetBSD/$(uname -p)/$(uname -r)/All');
    var packages = 'git gperf pcre2 php-8* cmake openssl gcc12-libs mozilla-rootcerts-openssl';
    commands.push('pkg_add ' + packages);
    if (!use_root) {
      commands.push('exit');
    }
  }
  commands.push('git clone https://github.com/tdlib/td.git');

  commands.push('cd td');
  // commands.push('git checkout v1.8.0');

  if (use_vcpkg) {
    commands.push('git clone https://github.com/Microsoft/vcpkg.git');
    commands.push('cd vcpkg');
    commands.push('git checkout 1b1ae50e1a69f7c659bd7d731e80b358d21c86ad');
    commands.push(local + 'bootstrap-vcpkg.bat');
    if (target === 'C++/CX') {
      commands.push(local + 'vcpkg.exe install gperf:x86-windows openssl:arm-uwp openssl:arm64-uwp openssl:x64-uwp openssl:x86-uwp zlib:arm-uwp zlib:arm64-uwp zlib:x64-uwp zlib:x86-uwp');
    } else {
      if (build_64bit) {
        commands.push(local + 'vcpkg.exe install gperf:x64-windows openssl:x64-windows zlib:x64-windows');
      } else {
        commands.push(local + 'vcpkg.exe install gperf:x86-windows openssl:x86-windows zlib:x86-windows');
      }
    }
    commands.push('cd ..');
  }

  function getBacicCmakeInitOptions() {
    var options = [];
    if (!use_msvc) {
      options.push('-DCMAKE_BUILD_TYPE=' + (is_debug_build ? 'Debug' : 'Release'));
    }
    if (use_msvc) {
      if (build_64bit) {
        options.push('-A x64');
      } else {
        options.push('-A Win32');
      }
    }
    if (target === 'JNI') {
      if (os_linux && linux_distro === 'Alpine') {
        options.push('-DJAVA_HOME=/usr/lib/jvm/java-1.8-openjdk/');
      }
      if (os_freebsd) {
        options.push('-DJAVA_HOME=/usr/local/openjdk7/');
      }
      if (os_mac) {
        options.push('-DJAVA_HOME=' + homebrew_install_dir + '/opt/openjdk/libexec/openjdk.jdk/Contents/Home/');
      }
    }
    return options;
  }

  if (target === 'C++/CX') {
    commands.push('cd example/uwp');
    var archiver_option = '';
    switch (archiver) {
      case 'zip':
        archiver_option = ' -compress zip';
        break;
      case 'WinRAR':
        archiver_option = ' -compress winrar';
        break;
    }

    commands.push('powershell -ExecutionPolicy ByPass ' + local + 'build.ps1 -vcpkg_root ../../vcpkg -mode clean');
    commands.push('powershell -ExecutionPolicy ByPass ' + local + 'build.ps1 -vcpkg_root ../../vcpkg' + archiver_option);
    if (install_dir) {
      commands.push('cp build-uwp/vsix/tdlib.vsix ' + install_dir);
    }
    commands.push('cd ../..');
  } else {
    commands.push(use_powershell ? 'Remove-Item build -Force -Recurse -ErrorAction SilentlyContinue' : 'rm -rf build');
    commands.push('mkdir build');
    commands.push('cd build');

    cmake_init_options = getBacicCmakeInitOptions();
    if (os_mac) {
      cmake_init_options.push('-DOPENSSL_ROOT_DIR=' + homebrew_install_dir + '/opt/openssl/');
    }
    if (install_dir) {
      cmake_init_options.push('-DCMAKE_INSTALL_PREFIX:PATH=' + install_dir);
    }
    if (target === 'JNI') {
      cmake_init_options.push('-DTD_ENABLE_JNI=ON');
    }
    if (target === 'C++/CX' || target === 'C++/CLI') {
      cmake_init_options.push('-DTD_ENABLE_DOTNET=ON');
    }
    if (use_lto) {
      cmake_init_options.push('-DTD_ENABLE_LTO=ON');
    }
    if (use_vcpkg) {
      cmake_init_options.push('-DCMAKE_TOOLCHAIN_FILE:FILEPATH=../vcpkg/scripts/buildsystems/vcpkg.cmake');
    }

    function getCmakeInitCommand(options) {
      var prefix = '';
      if (os_linux) {
        if (use_clang) {
          var clang_version_suffix = getClangVersionSuffix();
          prefix = 'CXXFLAGS="-stdlib=libc++" CC=/usr/bin/clang' + clang_version_suffix + ' CXX=/usr/bin/clang++' + clang_version_suffix + ' ';
          if (use_lto) {
            options.push('-DCMAKE_AR=/usr/bin/llvm-ar' + clang_version_suffix);
            options.push('-DCMAKE_NM=/usr/bin/llvm-nm' + clang_version_suffix);
            options.push('-DCMAKE_OBJDUMP=/usr/bin/llvm-objdump' + clang_version_suffix);
            options.push('-DCMAKE_RANLIB=/usr/bin/llvm-ranlib' + clang_version_suffix);
          }
        } else if (linux_distro === 'Ubuntu 14') {
          prefix = 'CC=/usr/bin/gcc-4.9 CXX=/usr/bin/g++-4.9 ';
        } else if (linux_distro === 'CentOS 7') {
          prefix = 'CC=/opt/rh/devtoolset-9/root/usr/bin/gcc CXX=/opt/rh/devtoolset-9/root/usr/bin/g++ ';
        }
      }
      return prefix + cmake + ' ' + options.join(' ') + ' ..';
    }
    commands.push(getCmakeInitCommand(cmake_init_options));

    if (low_memory) {
      commands.push(cmake + ' --build . --target prepare_cross_compiling');
      commands.push('cd ..');
      commands.push(php + ' SplitSource.php');
      commands.push('cd build');
    }

    let build_command = cmake + ' --build .';
    if (install_dir) {
      build_command += ' --target install';
    }
    if (use_msvc) {
      if (target === 'C++/CLI' || !is_debug_build) {
        commands.push(build_command + ' --config Release');
      }
      if (target === 'C++/CLI' || is_debug_build) {
        commands.push(build_command + ' --config Debug');
      }
    } else {
      commands.push(build_command);
    }
    if (install_dir && os_linux && linux_distro === 'Debian 8') {
      commands.push('sed -i "s/LINK_ONLY:td/LINK_ONLY:Td::td/g" ' + install_dir + '/lib/cmake/Td/TdTargets.cmake');
    }
    commands.push('cd ..');
    if (target === 'JNI') {
      commands.push('cd example/java');
      commands.push(use_powershell ? 'Remove-Item build -Force -Recurse -ErrorAction SilentlyContinue' : 'rm -rf build');
      commands.push('mkdir build');
      commands.push('cd build');

      cmake_init_options = getBacicCmakeInitOptions();
      if (jni_install_dir) {
        cmake_init_options.push('-DCMAKE_INSTALL_PREFIX:PATH=' + jni_install_dir);
      }
      if (use_vcpkg) {
        cmake_init_options.push('-DCMAKE_TOOLCHAIN_FILE:FILEPATH=../../../vcpkg/scripts/buildsystems/vcpkg.cmake');
      }
      var is_alpine = os_linux && linux_distro === 'Alpine';
      var resolve_path = use_powershell ? 'Resolve-Path' : (os_mac ? 'greadlink -e' : (is_alpine || os_freebsd || os_openbsd || os_netbsd ? 'readlink -f' : 'readlink -e'));
      var resolved_path = resolve_path + ' ../td/lib/cmake/Td';
      if (use_csh) {
        cmake_init_options.push('-DTd_DIR:PATH=$td_dir');
        commands.push('set td_dir=`' + resolved_path + '` ; ' + getCmakeInitCommand(cmake_init_options));
      } else {
        cmake_init_options.push('-DTd_DIR:PATH=$(' + resolved_path + ')');
        commands.push(getCmakeInitCommand(cmake_init_options));
      }

      build_command = cmake + ' --build .';
      if (jni_install_dir) {
        build_command += ' --target install';
      }
      if (use_msvc) {
        build_command += (is_debug_build ? ' --config Debug' : ' --config Release');
      }
      commands.push(build_command);
      commands.push('cd ../../..');
    } else if (target === 'C++/CX' || target === 'C++/CLI') {
      commands.push('git checkout td/telegram/Client.h td/telegram/Log.h td/tl/TlObject.h');
    }
    if (low_memory) {
      commands.push(php + ' SplitSource.php --undo');
    }
    commands.push('cd ..');
  }
  if (jni_install_dir) {
    install_dir = jni_install_dir;
  }
  if (install_dir) {
    if (install_dir !== '/usr/local') {
      install_dir = 'td/tdlib';
    }
    commands.push((use_powershell ? 'dir ' : 'ls -l ') + install_dir);
  }
  document.getElementById('buildCommands').innerHTML = '<ul><li>' + commands.join('</li><li>') + '</li></ul>';
  document.getElementById('copyBuildCommandsButton').style.display = commands.includes('exit') ? 'none' : 'block';
}

function copyBuildInstructions() {
  var text = document.getElementById('buildCommands').innerText;

  function resetButtonState (state) {
    document.getElementById('copyBuildCommandsButton').classList.remove(state);
    document.getElementById('copyBuildCommandsText').innerText = "Copy";
  }

  navigator.clipboard.writeText(text).then(result => {
    document.getElementById('copyBuildCommandsButton').classList.add('success');
    document.getElementById('copyBuildCommandsText').innerText = "Copied!";
    setTimeout(() => resetButtonState('success'), 5000);
  }, error => {
    document.getElementById('copyBuildCommandsButton').classList.add('fail');
    document.getElementById('copyBuildCommandsText').innerText = "Couldn't copy :(";
    setTimeout(() => resetButtonState('fail'), 5000);
  })
}

</script>

</body>
</html>