参考所有分组，完成尽量多的内容：收紧 CMake 源列表缺失守卫，结论测试通过

list-cmake-set-sources.sh

@@ -17,6 +17,7 @@ relative_prefix=${2:-}
 
 awk -v set_name="$set_name" -v relative_prefix="$relative_prefix" '
     $0 ~ "^[[:space:]]*set\\(" set_name "([[:space:]]|$)" {
+        found_set = 1
         in_list = 1
         next
     }
@@ -36,4 +37,10 @@ awk -v set_name="$set_name" -v relative_prefix="$relative_prefix" '
         }
         print line
     }
+    END {
+        if (!found_set) {
+            print "missing CMake source set: " set_name > "/dev/stderr"
+            exit 1
+        }
+    }
 ' core/CMakeLists.txt