Use #cmakedefine01 for the remaining config macros

Using 0/1 instead of undefined/defined to 1 allows the compiler to flag
a missing include of the config header.

src/config-kwin.h.cmake

@@ -26,13 +26,13 @@
 #define BREEZE_KDECORATION_PLUGIN_ID "${BREEZE_KDECORATION_PLUGIN_ID}"
 #endif
 
-#cmakedefine XCB_ICCCM_FOUND 1
-#ifndef XCB_ICCCM_FOUND
+#cmakedefine01 XCB_ICCCM_FOUND
+#if !XCB_ICCCM_FOUND
 #define XCB_ICCCM_WM_STATE_WITHDRAWN 0
 #define XCB_ICCCM_WM_STATE_NORMAL 1
 #define XCB_ICCCM_WM_STATE_ICONIC 3
 #endif
 
-#cmakedefine PipeWire_FOUND 1
+#cmakedefine01 PipeWire_FOUND
 
-#cmakedefine HAVE_XWAYLAND_LISTENFD
+#cmakedefine01 HAVE_XWAYLAND_LISTENFD

src/events.cpp

@@ -46,7 +46,7 @@
 
 #include <xcb/damage.h>
 #include <xcb/sync.h>
-#ifdef XCB_ICCCM_FOUND
+#if XCB_ICCCM_FOUND
 #include <xcb/xcb_icccm.h>
 #endif
 

src/main_wayland.cpp

@@ -53,7 +53,7 @@ Q_IMPORT_PLUGIN(KWinIntegrationPlugin)
 Q_IMPORT_PLUGIN(KGlobalAccelImpl)
 Q_IMPORT_PLUGIN(KWindowSystemKWinPlugin)
 Q_IMPORT_PLUGIN(KWinIdleTimePoller)
-#ifdef PipeWire_FOUND
+#if PipeWire_FOUND
 Q_IMPORT_PLUGIN(ScreencastManagerFactory)
 #endif
 

src/xwl/xwayland.cpp

@@ -195,7 +195,7 @@ bool Xwayland::startInternal()
         for (int socket : qAsConst(m_listenFds)) {
             int dupSocket = dup(socket);
             fdsToClose << dupSocket;
-            #if defined(HAVE_XWAYLAND_LISTENFD)
+            #if HAVE_XWAYLAND_LISTENFD
                 arguments << QStringLiteral("-listenfd") << QString::number(dupSocket);
             #else
                 arguments << QStringLiteral("-listen") << QString::number(dupSocket);