diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -407,7 +407,6 @@
     decorations/decorationrenderer.cpp
     decorations/decorations_logging.cpp
     abstract_egl_backend.cpp
-    eglonxbackend.cpp
     platform.cpp
     shell_client.cpp
     wayland_server.cpp
diff --git a/plugins/platforms/x11/CMakeLists.txt b/plugins/platforms/x11/CMakeLists.txt
--- a/plugins/platforms/x11/CMakeLists.txt
+++ b/plugins/platforms/x11/CMakeLists.txt
@@ -1,3 +1,4 @@
+add_subdirectory(common)
 add_subdirectory(standalone)
 if(X11_XCB_FOUND)
     add_subdirectory(windowed)
diff --git a/plugins/platforms/x11/common/CMakeLists.txt b/plugins/platforms/x11/common/CMakeLists.txt
new file mode 100644
--- /dev/null
+++ b/plugins/platforms/x11/common/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_library(eglx11common STATIC eglonxbackend.cpp)
+target_link_libraries(eglx11common kwin)
diff --git a/eglonxbackend.h b/plugins/platforms/x11/common/eglonxbackend.h
rename from eglonxbackend.h
rename to plugins/platforms/x11/common/eglonxbackend.h
diff --git a/eglonxbackend.cpp b/plugins/platforms/x11/common/eglonxbackend.cpp
rename from eglonxbackend.cpp
rename to plugins/platforms/x11/common/eglonxbackend.cpp
--- a/eglonxbackend.cpp
+++ b/plugins/platforms/x11/common/eglonxbackend.cpp
@@ -32,6 +32,8 @@
 // system
 #include <unistd.h>
 
+Q_LOGGING_CATEGORY(KWIN_CORE, "kwin_core", QtCriticalMsg)
+
 namespace KWin
 {
 
diff --git a/plugins/platforms/x11/standalone/CMakeLists.txt b/plugins/platforms/x11/standalone/CMakeLists.txt
--- a/plugins/platforms/x11/standalone/CMakeLists.txt
+++ b/plugins/platforms/x11/standalone/CMakeLists.txt
@@ -9,7 +9,7 @@
 endif()
 
 add_library(KWinX11Platform MODULE ${X11PLATFORM_SOURCES})
-target_link_libraries(KWinX11Platform kwin Qt5::X11Extras)
+target_link_libraries(KWinX11Platform eglx11common kwin Qt5::X11Extras)
 
 install(
     TARGETS
diff --git a/plugins/platforms/x11/windowed/CMakeLists.txt b/plugins/platforms/x11/windowed/CMakeLists.txt
--- a/plugins/platforms/x11/windowed/CMakeLists.txt
+++ b/plugins/platforms/x11/windowed/CMakeLists.txt
@@ -6,7 +6,7 @@
 )
 
 add_library(KWinWaylandX11Backend MODULE ${X11BACKEND_SOURCES})
-target_link_libraries(KWinWaylandX11Backend kwin X11::XCB)
+target_link_libraries(KWinWaylandX11Backend eglx11common kwin X11::XCB)
 
 install(
     TARGETS