build.html

<!DOCTYPE html>
<html>

<head>
<title>TDLib build instructions</title>
<style>
.hide { display: none; }
div.main { max-width:1200px; margin: auto; font-size: x-large; }
select.large { font-size: large; }
</style>
</head>

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

<div class="main">
  <div align="center">
    <div id="languageSelectDiv">
      <p>Choose a programming language, from which you want to use TDLib:</p>
      <select id="languageSelect" onchange="onLanguageChanged(false)" autofocus="true" class="large">
        <option>Choose a programming language:</option>
        <option>Python</option>
        <option>JavaScript</option>
        <option>Go</option>
        <option>Java</option>
        <option>C#</option>
        <option>C++</option>
        <option>Swift</option>
        <option>Objective-C</option>
        <option>Rust</option>
        <option>Erlang</option>
        <option>PHP</option>
        <option>Lua</option>
        <option>Ruby</option>
        <option>D</option>
        <option>Elixir</option>
        <option>C</option>
        <option>Other</option>
      </select>
    </div>
  </div>

  <div id="osSelectDiv" class="hide" align="center">
    <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="buildOptionsDiv" class="hide" align="center">
    <div id="linuxSelectDiv" class="hide">
      <p>Choose a Linux distro, on which you want to use TDLib:</p>
      <select id="linuxSelect" onchange="onOptionsChanged()" class="large">
        <option>Choose a Linux distro:</option>
        <option>Alpine</option>
        <option>Debian 8</option>
        <option>Debian 9</option>
        <option>Ubuntu 14</option>
        <option>Ubuntu 16</option>
        <option>Ubuntu 18</option>
        <option>Other</option>
      </select>
      <p></p>
    </div>

    <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 debug binary. Debug binaries are much larger and slower then 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="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 (unrecommended)</label>
    </div>

    <p></p>
  </div>

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

  <div id="buildCommandsDiv" class="hide" align="left">
    <p id="buildCommandsHeader" align="center">Here is complete instruction for TDLib binaries building:</p>
    <p id="buildPre">Hidden text</p>
    <code id="buildCommands">Empty commands</code>
  </div>
</div>

<script>
function onLoad(initial) {
  var url = new URL(window.location.href);
  var language = url.searchParams.get('language');
  if (language === 'csharp') {
    language = 'c#';
  } else if (language === 'cxx') {
    language = 'c++';
  }

  var language_options = document.getElementById('languageSelect').options;
  for (var i = 0; i < language_options.length; i++) {
    if (language_options[i].text.toLowerCase() === language.toLowerCase()) {
      language_options[i].selected = true;
    }
  }

  onLanguageChanged(initial || !history.state);
}

function getSupportedOs(language) {
  switch (language) {
    case 'Choose a programming language:':
      return [];
    case 'JavaScript':
      return ['Windows (Node.js)', 'Linux (Node.js)', 'macOS (Node.js)', 'FreeBSD (Node.js)', 'Browser'];
    case 'Java':
      return ['Windows', 'Linux', 'macOS', 'FreeBSD', 'Android'];
    case 'C#':
      return ['Windows (through C++/CLI)', 'Universal Windows Platform (through C++/CX)', 'Windows (.Net Core)', 'Linux (.Net Core)', 'macOS (.Net Core)', 'FreeBSD (.Net Core)'];
    case 'Swift':
    case 'Objective-C':
      return ['Windows', 'Linux', 'macOS', 'iOS', 'tvOS', 'watchOS'];
    default:
      return ['Windows', 'Linux', 'macOS', 'FreeBSD'];
  }
}

function getExampleAnchor(language) {
  switch (language) {
    case 'Python':
    case 'JavaScript':
    case 'Go':
    case 'Java':
    case 'Swift':
    case 'Objective-C':
    case 'Rust':
    case 'Erlang':
    case 'PHP':
    case 'Lua':
    case 'Ruby':
    case 'D':
    case 'Elixir':
    case 'C':
      return language.toLowerCase();
    case 'C#':
      return 'csharp';
    case 'C++':
      return 'cxx';
    default:
      return 'other';
  }
}

function onLanguageChanged(initial) {
  var language = document.getElementById('languageSelect').value;

  var supported_os = getSupportedOs(language);

  var os_select = document.getElementById('osSelect');

  if (supported_os.length) {
    document.getElementById('osSelectDiv').style.display = 'block';
  } else {
    if (history.state != '') {
      history.pushState('', '', 'build.html');
    }
    document.getElementById('osSelectDiv').style.display = 'none';
    onOsChanged();
    return;
  }

  if (!initial && history.state !== language) {
    history.pushState(language, '', 'build.html?language=' + encodeURIComponent(language));
  }

  var existing_options = [];
  for (var index = 1; index < os_select.length; index++) {
    if (!supported_os.includes(os_select.options[index].value)) {
      os_select.remove(index);
      index--;
    } else {
      existing_options.push(os_select.options[index].value);
    }
  }

  for (os of supported_os) {
    if (!existing_options.includes(os)) {
      var option = document.createElement('option');
      option.text = os;
      os_select.add(option);
    }
  }

  onOsChanged();
}

function getTarget(language, os) {
  var supported_os = getSupportedOs(language);
  if (!supported_os.includes(os)) {
    return null;
  }

  if (os.includes('C++/CLI')) {
    return 'C++/CLI';
  }
  if (os.includes('C++/CX')) {
    return 'C++/CX';
  }
  if (os.includes('Browser')) {
    return 'WebAssembly';
  }
  if (os.includes('Android')) {
    return 'Android';
  }
  if (os.includes('iOS') || os.includes('tvOS') || os.includes('watchOS')) {
    return 'iOS';
  }

  switch (language) {
    case 'C++':
      return 'tdclient';
    case 'Java':
      return 'JNI';
    default:
      return 'tdjson';
  }
}

function getTargetName(target) {
  switch (target) {
    case 'tdjson':
    case 'WebAssembly':
    case 'iOS':
      return '<a href="https://github.com/tdlib/td#using-json">JSON</a>';
    case 'tdclient':
      return '<a href="https://github.com/tdlib/td#using-cxx">a simple and convenient C++11-interface</a>';
    case 'JNI':
    case 'Android':
      return '<a href="https://github.com/tdlib/td#using-java">native ' + target + '</a>';
    default:
      return '<a href="https://github.com/tdlib/td#using-dotnet">native ' + target + '</a>';
  }
}

function onOsChanged() {
  var language = document.getElementById('languageSelect').value;
  var os = document.getElementById('osSelect').value;
  var target = getTarget(language, os);

  document.getElementById('buildTextDiv').style.display = target ? 'block' : 'none';

  if (language === 'Other') {
    language = 'any other programming language';
  }
  var text = 'TDLib can be used from ' + language + ' on ' + os + ' through the ' + getTargetName(target) + ' interface.<br>' +
             '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>';
    target = '';
  }
  if (target === 'Android') {
    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>.';
    target = '';
  }
  if (target === 'iOS') {
    target = '';
  }
  document.getElementById('buildText').innerHTML = text;

  if (!target) {
    document.getElementById('buildOptionsDiv').style.display = 'none';
    document.getElementById('buildCommandsDiv').style.display = 'none';
    return;
  }

  document.getElementById('buildOptionsDiv').style.display = 'block';

  onOptionsChanged();
}

function onOptionsChanged() {
  var language = document.getElementById('languageSelect').value;
  var os = document.getElementById('osSelect').value;
  var target = getTarget(language, os);

  var os_windows = os.includes('Windows');
  var os_linux = os.includes('Linux');
  var os_mac = os.includes('macOS');
  var os_freebsd = os.includes('FreeBSD');

  var display_commands = 'block';
  var linux_distro = 'none';
  if (os_linux) {
    document.getElementById('linuxSelectDiv').style.display = 'block';
    linux_distro = document.getElementById('linuxSelect').value;
    if (linux_distro.indexOf('Choose') === 0) {
      display_commands = 'none';
    }
  } else {
    document.getElementById('linuxSelectDiv').style.display = 'none';
  }
  document.getElementById('buildCommandsDiv').style.display = display_commands;

  var use_clang = os_freebsd;
  if (os_linux && linux_distro !== 'Alpine') {
    document.getElementById('buildCompilerDiv').style.display = 'block';
    use_clang = document.getElementById('buildCompilerRadioClang').checked;
  } else {
    document.getElementById('buildCompilerDiv').style.display = 'none';
  }

  var low_memory = false;
  if (os_linux || os_freebsd) {
    low_memory = document.getElementById('buildLowMemoryCheckbox').checked;
    document.getElementById('buildLowMemoryText').innerHTML = 'I have less than ' + (use_clang ? '1.5' : '3.5') +' GB of RAM.' +
            (low_memory ? ' Now you will need only ' + (use_clang ? '0.5' : '1') +' GB of RAM to build TDLib.' : '');
    document.getElementById('buildLowMemoryDiv').style.display = 'block';
  } else {
    document.getElementById('buildLowMemoryDiv').style.display = 'none';
  }

  var use_root = false;
  if (os_linux && linux_distro !== 'Other') {
    use_root = document.getElementById('buildRootCheckbox').checked;
    document.getElementById('buildRootDiv').style.display = 'block';
  } else {
    document.getElementById('buildRootDiv').style.display = 'none';
  }

  var use_powershell = false;
  var use_cmd = false;
  var use_csh = false;
  if (os_windows) {
    document.getElementById('buildShellDiv').style.display = 'block';
    use_powershell = document.getElementById('buildShellRadioPowerShell').checked;
  } else {
    document.getElementById('buildShellDiv').style.display = 'none';
  }
  if (os_freebsd) {
    document.getElementById('buildShellBsdDiv').style.display = 'block';
    use_csh = document.getElementById('buildShellBsdRadioCsh').checked;
  } else {
    document.getElementById('buildShellBsdDiv').style.display = 'none';
  }

  var use_msvc = os_windows;
  var use_vcpkg = os_windows;

  var use_lto = false;
  if (!use_msvc && language !== 'Java' && (os_mac || (os_linux && (linux_distro === 'Ubuntu 18' || linux_distro === 'Other')))) {
    document.getElementById('buildLtoDiv').style.display = 'block';
    use_lto = document.getElementById('buildLtoCheckbox').checked;
  } else {
    document.getElementById('buildLtoDiv').style.display = 'none';
  }

  var archiver = 'none';
  if (target === 'C++/CX') {
    document.getElementById('buildArchiverDiv').style.display = 'block';
    if (document.getElementById('buildArchiverRadio7Zip').checked) {
      archiver = '7zip';
    } else if (document.getElementById('buildArchiverRadioZip').checked) {
      archiver = 'zip';
    } else if (document.getElementById('buildArchiverRadioWinRar').checked) {
      archiver = 'WinRAR';
    }
  } else {
    document.getElementById('buildArchiverDiv').style.display = 'none';
  }

  var is_debug_build = false;
  if (target !== 'C++/CX' && target !== 'C++/CLI') {
    document.getElementById('buildDebugDiv').style.display = 'block';
    is_debug_build = document.getElementById('buildDebugCheckbox').checked;
  } else {
    document.getElementById('buildDebugDiv').style.display = 'none';
  }

  var sudo = 'sudo ';
  if (use_root || linux_distro.includes('Debian') || os_freebsd) {
    sudo = '';
  }

  var build_32bit = false;
  var build_64bit = false;
  if (use_msvc && target !== 'C++/CX') {
    document.getElementById('buildBitnessDiv').style.display = 'block';
    build_32bit = document.getElementById('buildBitnessRadio32').checked;
    build_64bit = document.getElementById('buildBitnessRadio64').checked;
  } else {
    document.getElementById('buildBitnessDiv').style.display = 'none';
  }

  var local = './';
  if (use_cmd) {
    local = '.\\';
  }

  var install_dir = 'td/tdlib';
  if (!os_windows) {
    document.getElementById('buildInstallLocalDiv').style.display = 'block';
    if (document.getElementById('buildInstallLocalCheckbox').checked) {
      install_dir = '/usr/local';
    }
  } else {
    document.getElementById('buildInstallLocalDiv').style.display = 'none';
  }

  var pre_text = [];
  if (os_windows) {
    let win10_sdk = (target === 'C++/CX' ? ' and Windows 10 SDK' : '');
    pre_text.push('Download and install <a href="https://visualstudio.microsoft.com/ru/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 install <a href="https://sourceforge.net/projects/gnuwin32/files/gperf/3.0.1/">gperf</a>. Add the path to gperf.exe to the PATH environment variable.');
    pre_text.push('Download and unpack <a href="https://windows.php.net/download#php-7.2">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' : 'g++ >= 4.9.2';
    pre_text.push('Install Git, ' + compiler + ', make, CMake >= 3.0.2, OpenSSL, zlib, gperf, PHP' + jdk + ' using your package manager.');
  }
  if (os_linux && os.includes('Node.js')) {
    pre_text.push('Note that for Node.js &le; 9.11.2 you must build TDLib with OpenSSL 1.0.* and for Node.js &ge; 10 with OpenSSL 1.1.* instead, so you may need to modify the following commands to install a proper OpenSSL version.');
  }
  if (os_freebsd) {
    pre_text.push('Note that following instruction is for FreeBSD 11.');
    pre_text.push('Note that following calls to <code>pkg</code> needs to be run as <code>root</code>.');
  }

  var terminal_name = (function () {
    if (os_windows) {
      return use_powershell ? 'PowerShell' : 'mintty/Bash';
    }
    if (os_mac) {
      return 'Terminal';
    }
    if (use_csh) {
      return 'tcsh/csh';
    }
    return 'Bash';
  })();
  if (os_windows) {
    pre_text.push('Close and re-open ' + terminal_name + ' if 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';
  }

  var commands = [];

  if (os_mac) {
    commands.push('xcode-select --install');
    commands.push('/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"');
    commands.push('brew install gperf cmake openssl' + (target === 'JNI' ? ' coreutils' : ''));
    if (target === 'JNI') {
      commands.push('brew cask install java');
    }
  } 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 php-ctype cmake';
        if (target === 'JNI') {
          packages += ' openjdk8';
        }
        commands.push(sudo + 'apk add --update ' + packages);
        break;
      case 'Debian 8':
      case 'Debian 9':
      case 'Ubuntu 14':
      case 'Ubuntu 16':
      case 'Ubuntu 18':
        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';
        } else {
          packages += ' php';
        }
        if (linux_distro === 'Ubuntu 14') {
          packages += ' cmake3';
        } else {
          packages += ' cmake';
        }
        if (target === 'JNI') {
          packages += ' default-jdk';
        }
        if (use_clang) {
          if (linux_distro === 'Ubuntu 18') {
            packages += ' clang-6.0 libc++abi-dev';
          } else {
            if (linux_distro === 'Ubuntu 18') {
              packages += ' clang-3.9';
            } else {
              packages += ' clang';
            }
            packages += ' libc++-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 php72-ctype cmake';
    if (target === 'JNI') {
      packages += ' openjdk';
    }
    commands.push(sudo + 'pkg install ' + packages);
  }
  commands.push('git clone https://github.com/tdlib/td.git');

  commands.push('cd td');

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

    if (!use_msvc) {
      var c_flags = [];
      var cxx_flags = [];

      if (build_32bit) {
        c_flags.push('-m32');
        cxx_flags.push('-m32');
      } else if (build_64bit) {
        c_flags.push('-m64');
        cxx_flags.push('-m64');
      }

      if (os_linux) {
        if (use_clang) {
          cxx_flags.push('-stdlib=libc++');
        } else {
          cxx_flags.push('');
        }
      }

      if (c_flags.length) {
        commands.push('export CFLAGS="' + c_flags.join(' ') + '"');
      }
      if (cxx_flags.length) {
        commands.push('export CXXFLAGS="' + cxx_flags.join(' ') + '"');
      }
    }

    cmake_init_options = getBacicCmakeInitOptions();
    if (os_mac) {
      cmake_init_options.push('-DOPENSSL_ROOT_DIR=/usr/local/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 (linux_distro === 'Alpine') {
        cmake_init_options.push('-DJAVA_HOME=/usr/lib/jvm/java-1.8-openjdk/');
      }
      if (os_freebsd) {
        cmake_init_options.push('-DJAVA_HOME=/usr/local/openjdk7/');
      }
    }
    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) {
          prefix = 'CC=/usr/bin/clang CXX=/usr/bin/clang++ ';
          if (linux_distro === 'Ubuntu 18') {
            options.push('-DCMAKE_AR=/usr/bin/llvm-ar-6.0');
            options.push('-DCMAKE_NM=/usr/bin/llvm-nm-6.0');
            options.push('-DCMAKE_OBJDUMP=/usr/bin/llvm-objdump-6.0');
            options.push('-DCMAKE_RANLIB=/usr/bin/llvm-ranlib-6.0');
          }
        } else if (linux_distro === 'Ubuntu 14') {
          prefix = 'CC=/usr/bin/gcc-4.9 CXX=/usr/bin/g++-4.9 ';
        }
      }
      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++/CX' || target === 'C++/CLI' || !is_debug_build) {
        commands.push(build_command + ' --config Release');
      }
      if (target === 'C++/CX' || 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';
      if (is_alpine) {
        cmake_init_options.push('-DJAVA_HOME=/usr/lib/jvm/java-1.8-openjdk/');
      }
      if (os_freebsd) {
        cmake_init_options.push('-DJAVA_HOME=/usr/local/openjdk7/');
      }
      var resolve_path = use_powershell ? 'Resolve-Path' : (os_mac ? 'greadlink -e' : (is_alpine || os_freebsd ? '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 (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>';
}

</script>

</body>
</html>