That file does not exist.
###
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 89140db..b840f16 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -669,7 +669,6 @@ gtk_private_h_sources = \
gtktexttypes.h \
gtktextutil.h \
gtkthemingbackgroundprivate.h \
- deprecated/gtkthemingengineprivate.h \
gtktrashmonitor.h \
gtktogglebuttonprivate.h \
gtktoolbarprivate.h \
911f3fb Drop a reference to gtkthemingengineprivate.h
gtk/Makefile.am | 1 -
1 file changed, 1 deletion(-)
Upstream: git.gnome.org