clang-tidy: Enable performance-inefficient-string-concatenation

Enables the clang-tidy test performance-inefficient-string-concatenation
and replaces all inefficient string concatenations with `cmStrCat`.

Closes: #19555

1 files changed, 2 insertions, 2 deletions

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index a81b7e4..3cc6776 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -808,8 +808,8 @@ void cmake::SetArgs(const std::vector<std::string>& args)
           kdevError = "\nThe KDevelop3 generator is not supported anymore.";
         }
 
-        cmSystemTools::Error("Could not create named generator " + value +
-                             kdevError);
+        cmSystemTools::Error(
+          cmStrCat("Could not create named generator ", value, kdevError));
         this->PrintGeneratorList();
         return;
       }