more clang versions in CI

Author: grisumbras

.drone.star

@@ -564,32 +564,62 @@ _supported_compilers = {
         },
     },
     'clang': {
-        'versions': ['16', '15', '14', '13', '12', '11', '10', '9', '8', '7', '6.0', '5.0', '4.0', '3.8'],
+        'versions': ['23', '22', '21', '20', '19', '18', '17', '16', '15', '14', '13', '12', '11', '10', '9', '8', '7', '6.0', '5.0', '4.0', '3.8'],
         'display_name': 'Clang',
         'executable': 'clang++',
         '22': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-22'],
+                },
+            },
         },
         '21': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-21'],
+                },
+            },
         },
         '20': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-20'],
+                },
+            },
         },
         '19': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-19'],
+                },
+            },
         },
         '18': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-18'],
+                },
+            },
         },
         '17': {
             'latest_cpp':  2026,
-            'platforms': {},
+            'platforms': {
+                ('linux', 'x86_64'): {
+                    'image': 'cppalliance/droneubuntu2404:1',
+                    'packages': ['clang-17'],
+                },
+            },
         },
         '16': {
             'latest_cpp':  2023,