1 files changed, 7 insertions, 1 deletions
diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx
index 455d809..5a9f74c 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -759,7 +759,13 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang,
       }
       if (tidy && *tidy) {
         run_iwyu += " --tidy=";
-        run_iwyu += this->GetLocalGenerator()->EscapeForShell(tidy);
+        const char* driverMode = this->Makefile->GetDefinition(
+          "CMAKE_" + lang + "_CLANG_TIDY_DRIVER_MODE");
+        if (!(driverMode && *driverMode)) {
+          driverMode = lang == "C" ? "gcc" : "g++";
+        }
+        run_iwyu += this->GetLocalGenerator()->EscapeForShell(
+          cmStrCat(tidy, ";--driver-mode=", driverMode));
       }
       if (cpplint && *cpplint) {
         run_iwyu += " --cpplint=";