Add error message if neither DZEN nor XMOBAR is defined

1 files changed, 4 insertions, 0 deletions

diff --git a/i3status.h b/i3status.h
index 1926021..0a42555 100644
--- a/i3status.h
+++ b/i3status.h
@@ -1,6 +1,10 @@
 #ifndef _I3STATUS_H
 #define _I3STATUS_H
 
+#if !defined(DZEN) && !defined(XMOBAR)
+	#error "You have to enable either -DDZEN or -DXMOBAR"
+#endif
+
 #include <stdbool.h>
 #include <confuse.h>