From 477e65a009eedbbc7d3ddd2159bf5d7601af891b Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 8 Jul 2026 19:51:12 +0300
Subject: Add Ubuntu 26 to build instructions generator.

---
 build.html | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/build.html b/build.html
index 0ee19a925..02acb18d5 100644
--- a/build.html
+++ b/build.html
@@ -247,6 +247,7 @@
       <option>Ubuntu 20</option>
       <option>Ubuntu 22</option>
       <option>Ubuntu 24</option>
+      <option>Ubuntu 26</option>
       <option>Other</option>
     </select>
     <p></p>
@@ -645,7 +646,7 @@ function onOptionsChanged() {
   var use_vcpkg = os_windows;
 
   var use_lto = false;
-  if (!use_msvc && language !== 'Go' && language !== 'Java' && language !== 'Kotlin' && (os_mac || (os_linux && (linux_distro === 'Ubuntu 18' || linux_distro === 'Ubuntu 20' || linux_distro === 'Ubuntu 22' || linux_distro === 'Ubuntu 24' || linux_distro === 'Other')))) {
+  if (!use_msvc && language !== 'Go' && language !== 'Java' && language !== 'Kotlin' && (os_mac || (os_linux && (linux_distro === 'Ubuntu 18' || linux_distro === 'Ubuntu 20' || linux_distro === 'Ubuntu 22' || linux_distro === 'Ubuntu 24' || linux_distro === 'Ubuntu 26' || linux_distro === 'Other')))) {
     document.getElementById('buildLtoDiv').style.display = 'block';
     use_lto = document.getElementById('buildLtoCheckbox').checked;
   } else {
@@ -806,6 +807,8 @@ function onOptionsChanged() {
         return '-14';
       case 'Ubuntu 24':
         return '-18';
+      case 'Ubuntu 26':
+        return '-21';
       default:
         return ''; // use default version
     }
@@ -816,6 +819,7 @@ function onOptionsChanged() {
       case 'Ubuntu 20':
       case 'Ubuntu 22':
       case 'Ubuntu 24':
+      case 'Ubuntu 26':
         return getClangVersionSuffix();
       default:
         return ''; // use default version
@@ -874,6 +878,7 @@ function onOptionsChanged() {
       case 'Ubuntu 20':
       case 'Ubuntu 22':
       case 'Ubuntu 24':
+      case 'Ubuntu 26':
         if (linux_distro.includes('Debian') && !use_root) {
           commands.push('su -');
         }
@@ -884,10 +889,7 @@ function onOptionsChanged() {
           packages += ' default-jdk';
         }
         if (use_clang) {
-          packages += ' clang' + getClangVersionSuffix() + ' libc++' + getLibcplusplusVersionSuffix() + '-dev';
-          if (linux_distro === 'Debian 10+' || linux_distro === 'Ubuntu 18' || linux_distro === 'Ubuntu 20' || linux_distro === 'Ubuntu 22' || linux_distro === 'Ubuntu 24') {
-            packages += ' libc++abi' + getLibcplusplusVersionSuffix() + '-dev';
-          }
+          packages += ' clang' + getClangVersionSuffix() + ' libc++' + getLibcplusplusVersionSuffix() + '-dev libc++abi' + getLibcplusplusVersionSuffix() + '-dev';
         } else {
           packages += ' g++';
         }
-- 
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