Fix amdclang version detection for src build

Author: amd-arsuresh

script/get-amdclang/customize.py

@@ -44,6 +44,23 @@ def preprocess(i):
             if os.path.isdir(p) and p not in search_paths:
                 search_paths.append(p)
 
+        # For src builds: also check the install bin dir directly
+        # and create amdclang symlinks if clang exists but amdclang doesn't
+        if env.get('MLC_ROCM_BUILD_FROM_SRC', '') == 'yes':
+            install_prefix = env.get('MLC_ROCM_INSTALL_PREFIX', '')
+            if install_prefix:
+                bin_dir = os.path.join(install_prefix, 'bin')
+                if os.path.isdir(bin_dir):
+                    if bin_dir not in search_paths:
+                        search_paths.append(bin_dir)
+                    # Create symlinks if needed
+                    symlinks = {'amdclang': 'clang', 'amdclang++': 'clang++', 'amdflang': 'flang-new'}
+                    for link_name, target in symlinks.items():
+                        link_path = os.path.join(bin_dir, link_name)
+                        target_path = os.path.join(bin_dir, target)
+                        if os.path.isfile(target_path) and not os.path.exists(link_path):
+                            os.symlink(target, link_path)
+
         if search_paths:
             env['MLC_TMP_PATH'] = os.pathsep.join(search_paths)