Merge e2c834103a2f0c648c22362f59dbfa043518e96b into 6ba3d865ac78395595ca38592f70cbf35239e60b

* Build instructions updated

- Fixed package manager in CentOS
- Added instructions for CentOS 9
- Added instructions for Fedora 37

build.html

@@ -75,7 +75,7 @@
     a:hover {
       text-decoration: underline;
     }
-    select, button {
+    select, button, input {
       border: 1px solid var(--color-select-border);
       background-color: var(--background);
       color: var(--color);
@@ -201,8 +201,10 @@
       <option>Alpine</option>
       <option>CentOS 7</option>
       <option>CentOS 8</option>
+      <option>CentOS Stream 9</option>
       <option>Debian 8/9</option>
       <option>Debian 10+</option>
+      <option>Fedora 21+</option>
       <option>Ubuntu 14</option>
       <option>Ubuntu 16</option>
       <option>Ubuntu 18</option>
@@ -264,6 +266,14 @@
       <label><input type="checkbox" id="buildRootCheckbox" onchange="onOptionsChanged()"/>Build from root user (not recommended).</label>
     </div>
 
+    <div id="buildMultiCoreDiv" class="hide">
+        <label><input type="checkbox" id="buildMultiCoreCheckbox" onchange="onOptionsChanged()"/>Build using mulitple cores<span class="hide" id="buildMultiCoreColon">:</span></label>
+        
+        <div id="buildMultiCoreInputDiv" class="hide">
+            <input type="number" id="buildMultiCoreInput" onchange="onOptionsChanged()" placeholder="Cores number" min="1" style="text-align: center;"/>
+        </div>
+    </div>
+
     <p></p>
   </div>
 
@@ -352,9 +362,10 @@ function onOptionsChanged() {
     linux_distro = document.getElementById('linuxSelect').value;
   }
   document.getElementById('buildCommandsDiv').style.display = 'block';
+  document.getElementById('buildMultiCoreDiv').style.display = 'block';
 
   var use_clang = os_freebsd || os_openbsd;
-  if (os_linux && linux_distro !== 'Alpine' && !linux_distro.includes('CentOS')) {
+  if (os_linux && linux_distro !== 'Alpine' && !linux_distro.includes('CentOS') && !linux_distro.includes('Fedora')) {
     document.getElementById('buildCompilerDiv').style.display = 'block';
     use_clang = document.getElementById('buildCompilerRadioClang').checked;
   } else {
@@ -531,19 +542,31 @@ function onOptionsChanged() {
         commands.push(sudo + 'apk add ' + packages);
         break;
       case 'CentOS 7':
-      case 'CentOS 8':
         commands.push(sudo + 'yum update -y');
         var packages = 'gcc-c++ make git zlib-devel openssl-devel';
-        if (linux_distro === 'CentOS 7') {
+        commands.push(sudo + 'yum install -y centos-release-scl-rh epel-release');
-          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++');
-          commands.push(sudo + 'yum install -y devtoolset-9-gcc devtoolset-9-gcc-c++');
+        cmake = 'cmake3';
-          cmake = 'cmake3';
+        packages += ' gperf ' + cmake;
-          packages += ' gperf';
+        commands.push(sudo + 'yum install -y ' + packages);
-        } else {
+        break;
+      case 'CentOS 8':
+      case 'CentOS Stream 9':
+        commands.push(sudo + 'dnf update -y');
+        var packages = 'gcc-c++ make git zlib-devel openssl-devel';
+        if (linux_distro === 'CentOS 8') {
           commands.push(sudo + 'dnf --enablerepo=powertools install gperf');
+        } else {
+          commands.push(sudo + 'dnf --enablerepo=crb install gperf');
         }
         packages += ' ' + cmake;
-        commands.push(sudo + 'yum install -y ' + packages);
+        commands.push(sudo + 'dnf install -y ' + packages);
+        break;
+      case 'Fedora 21+':
+        commands.push(sudo + 'dnf update -y');
+        var packages = 'gperf gcc-c++ make git zlib-devel openssl-devel';
+        packages += ' ' + cmake;
+        commands.push(sudo + 'dnf install -y ' + packages);
         break;
       case 'Debian 8/9':
       case 'Debian 10+':
@@ -675,6 +698,11 @@ function onOptionsChanged() {
     commands.push('cd ../build');
   }
   let build_command = cmake + ' --build . --target install';
+
+  if (document.getElementById('buildMultiCoreCheckbox').checked && document.getElementById('buildMultiCoreInput').value.toString().length > 0 && !(isNaN(document.getElementById('buildMultiCoreInput').value))) {
+    build_command += ` -j ${ document.getElementById('buildMultiCoreInput').value }`;
+  }
+
   if (use_msvc) {
     if (!is_debug_build) {
       commands.push(build_command + ' --config Release');
@@ -693,6 +721,8 @@ function onOptionsChanged() {
   if (install_dir !== '/usr/local') {
     install_dir = 'telegram-bot-api';
   }
+  document.getElementById('buildMultiCoreInputDiv').style.display = document.getElementById('buildMultiCoreCheckbox').checked ? 'block' : 'none';
+  document.getElementById('buildMultiCoreColon').style.display = document.getElementById('buildMultiCoreCheckbox').checked ? 'inline' : 'none';
   commands.push((use_powershell ? 'dir ' : 'ls -l ') + install_dir + '/bin/telegram-bot-api*');
   document.getElementById('buildCommands').innerHTML = '<ul><li>' + commands.join('</li><li>') + '</li></ul>';
   document.getElementById('copyBuildCommandsButton').style.display = commands.includes('exit') ? 'none' : 'block';