From 330f5aebdfa427dedcb9cc2c7d4f094cbe48c456 Mon Sep 17 00:00:00 2001
From: Sergio Martins <sergio.martins@kdab.com>
Date: Fri, 9 Jul 2021 22:26:01 +0100
Subject: [PATCH] cmake: Add -Wundef

---
 CMakeLists.txt      | 2 +-
 tests/tst_docks.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 089177ae..9f4873f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -179,7 +179,7 @@ macro(set_compiler_flags targetName)
 
   # Enable -Werror
   if(NOT MSVC AND ${PROJECT_NAME}_WERROR)
-    target_compile_options(${targetName} PRIVATE -Werror -Wno-error=deprecated-declarations)
+    target_compile_options(${targetName} PRIVATE -Werror -Wundef -Wno-error=deprecated-declarations)
   endif()
 
 endmacro()
diff --git a/tests/tst_docks.cpp b/tests/tst_docks.cpp
index f40b5df9..da3e1ef2 100644
--- a/tests/tst_docks.cpp
+++ b/tests/tst_docks.cpp
@@ -6919,7 +6919,7 @@ void TestDocks::tst_dragByTabBar()
     m->resize(osWindowMinWidth(), 200);
 
     dock2->addDockWidgetAsTab(dock3);
-#if KDDOCKWIDGETS_QTWIDGETS
+#if defined(KDDOCKWIDGETS_QTWIDGETS)
     if (documentMode)
         static_cast<QTabWidget *>(
             static_cast<FrameWidget *>(dock2->dptr()->frame())->tabWidget()->asWidget())