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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c44165fb5c1..e1fcf1254df 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6637,6 +6637,7 @@ AC_DEFINE_UNQUOTED([EMACS_CONFIG_FEATURES], ["${emacs_config_features}"],
[Summary of some of the main features enabled by configure.])
AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
+ Does Emacs use X11 double buffering? ${HAVE_XDBE}
Does Emacs use -lXpm? ${HAVE_XPM}
Does Emacs use -ljpeg? ${HAVE_JPEG}
Does Emacs use -ltiff? ${HAVE_TIFF}