1 files changed, 2 insertions, 0 deletions

diff --git a/src/frame.h b/src/frame.h
index 06d1e181b15..00434610317 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -59,6 +59,8 @@ enum vertical_scroll_bar_type
 
 #if !defined(HAVE_X_WINDOWS)
 
+#define PIX_TYPE int
+
 /* A (mostly empty) x_output structure definition for building Emacs
    on Unix and GNU/Linux without X support.  */
 struct x_output