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-rw-r--r--src/frame.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/frame.h b/src/frame.h
index e1183e9c515..cfb42dad720 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -313,6 +313,9 @@ typedef struct frame *FRAME_PTR;
#ifdef HAVE_NTGUI
#define FRAME_WINDOW_P(f) FRAME_WIN32_P (f)
#endif
+#ifndef FRAME_WINDOW_P
+#define FRAME_WINDOW_P(f) (0)
+#endif
#define FRAME_LIVE_P(f) ((f)->output_data.nothing != 0)
#define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)