#error for unknown platform in demos project

util/test/demos/main.cpp

@@ -139,7 +139,7 @@ void NuklearShutdown()
   UnregisterClassW(wc.lpszClassName, wc.hInstance);
 }
 
-#else
+#elif defined(__linux__)
 
 #define NK_XLIB_IMPLEMENTATION
 #include "3rdparty/nuklear/nuklear_xlib.h"
@@ -214,6 +214,10 @@ void NuklearShutdown()
   XCloseDisplay(dpy);
 }
 
+#else
+
+#error UNKNOWN PLATFORM
+
 #endif
 
 // nuklear

util/test/demos/test_common.h

@@ -26,8 +26,10 @@
 
 #if defined(WIN32)
 #include "win32/win32_platform.h"
-#else
+#elif defined(__linux__)
 #include "linux/linux_platform.h"
+#else
+#error UNKNOWN PLATFORM
 #endif
 
 #include <math.h>