build: Don't use Wayland GtkClipboard implementation if also building for X

Workaround for: https://bugzilla.gnome.org/show_bug.cgi?id=672358

diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index e40232edb961b0ec9e31237764f0527062fc0722..e939a77d6afcfb40180f270d84344469959debba 100644 (file)
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -904,6 +904,7 @@ gtk_clipboard_dnd_c_sources =       \
        gtkdnd-quartz.c
 else
 if USE_WAYLAND
+if !USE_X11
 # No wayland gtkdnd-wayland.c yet
 gtk_clipboard_dnd_c_sources =  \
        gtkclipboard-wayland.c \
@@ -911,6 +912,9 @@ gtk_clipboard_dnd_c_sources =       \
 else
 gtk_clipboard_dnd_c_sources = gtkclipboard.c gtkdnd.c
 endif
+else
+gtk_clipboard_dnd_c_sources = gtkclipboard.c gtkdnd.c
+endif
 endif
 
 # we use our own built_sources variable rules to avoid automake's